Jyotsna Vadakkanmarveettil – Jigsaw Academy

JavaFX Tutorial: A Step-By-Step Guide In 2021

Jyotsna Vadakkanmarveettil — Mon, 10 May 2021 09:01:41 +0000

Introduction

The JavaFX platform is a Java framework for developing rich internet applications (RIAs) that can operate on a wide range of platforms. It’s designed to take the place of Swing as a graphical user interface platform in Java applications. In addition, it has more features than Swing.

What is JavaFX?
Web and Media Engine
Anatomy of a JavaFX Application
Creating a JavaFX Application

1. What is JavaFX?

JavaFX is the Java Platform’s next-generation GUI toolkit. Isn’t it intriguing? Let’s take a closer look at the idea in this JavaFX tutorial.

JavaFX Architecture

JavaFX comes with a number of built-in modules that are all linked together. Following are the elements involved.

Scene Graph

The Scene Graph is the first step in creating a JavaFX application. It’s a node-based hierarchical tree that represents all of the visual elements of the app’s user interface. A node is a single entity in a scene graph.

Graphics Engine

The scene graph aspect receives graphics support from the JavaFX framework. It commonly supports both 2D and 3D graphics. When the graphics hardware on the device is unable to accommodate hardware-accelerated rendering, software rendering is used.

In JavaFX, there are two graphics-accelerated pipelines:

Prism
Quantum Toolkit

Glass Windowing Toolkit

It’s a platform-specific layer that links the JavaFX platform to the native OS.

2. Web and Media Engine

Web Engine – It’s a web browser that embeds HTML content into a JavaFX scene graph. DOM, CSS, HTML5, JavaScript, and SVG are all supported.

Media Engine – It provides tools for creating media applications that allow media playback on compatible platforms in a desktop window or within a web page.

The JavaFX API is supported by these components. The structure of a JavaFX application is the subject of the next section of this JavaFX tutorial.

3. Anatomy of a JavaFX Application

The Stage, Scene, and Nodes components of a JavaFX application are organized hierarchically.

Stage

It is the application’s key container and entry point. The location of a stage is determined by two parameters: width and height.

Scene

The scene is a container for the stage’s visual material. It contains user interface elements including Image Buttons, Views, Grids, and TextBoxes. Javafx.scene is a visual effects library for Java. The javafx.scene package’s Scene class contains all of the methods for dealing with scene objects.

Scene Nodes & Graph

A scene graph is a hierarchical (tree-like) data structure that represents the contents of a scene. It can be thought of as a list of different nodes. A node is essentially a visual/graphical entity in a scene graph.

Let’s learn how to build a JavaFX application with an example in this JavaFX tutorial.

4. Creating a JavaFX Application

Let’s take a look at how to program in JavaFX using the Eclipse IDE. When the button on the stage is pressed, we’ll make a quick JavaFX application that prints “Welcome to Jigsaw!” on the console.

JavaFX Application Example Program Explanation

Let’s take a look at how this sample software works in detail in this JavaFX tutorial.

Step1: Extend the javafx.application package. Override the start() method in the application

As previously mentioned, the start() method is where a JavaFX application begins. JavaFX.application should be imported. Override the start() method for this application. Override the start() method and add an object of the javafx.stage class to it.

12	@Overridepublic void start(Stage primaryStage)

Step 2: Create a Button

The javafx.scene.control.Button class is used to make a button. As a result, code the appropriate class.

1	Button btn = new Button();

Step 3: Create an event for the button

Call setOnAction() on the button to accomplish this, and pass an anonymous class Event Handler as a parameter to the process. Define a method handle within this anonymous class (). Take a look at the handle() method’s code.

1234567

btn.setText(“Say ‘Welcome to Jigsaw!'”);btn.setOnAction(new EventHandler() {
@Overridepublic void handle(ActionEvent event) {System.out.println(“Welcome to Jigsaw!”);}

Step 4: Make a layout and add the button in it.

JavaFX typically comes with a variety of formats. One of them should be used to better visualize the widgets. Other nodes, such as buttons, messages, and so on, must be added to this layout.

12	StackPane root = new StackPane();root.getChildren().add(btn);

Step 5: Create the scene

In the hierarchy of JavaFx framework structure, the scene is at a higher level. You can make it by using the javafx.scene class. Create a scene class and transfer the layout object to the constructor.

1	Scene scene = new Scene(root, 300, 250);

Step 6: Prepare the stage

Make use of the javafx.stage methods. To set some stage attributes, use the Stage class. To view the point, use the show() process. Here’s the code for it.

123	primaryStage.setTitle(“Hello World!”);primaryStage.setScene(scene); primaryStage.show();

Step 7: Create the main method

Develop a main method that will be used to launch the program, i.e. call launch() and transfer the command line arguments (args) to it..

123	public static void main(String[] args) {launch(args);}

Step 8: Run the application.

To make it more fun, you can add a custom template to the JavaFX application’s UI, such as HTML and CSS.

Conclusion

This concludes our JavaFX Tutorial. We went through the internal structure of the JavaFX application and learned the key capabilities of its lifecycle, architecture, and components in this JavaFX Tutorial.

If you want to learn more about Java then check out Jigsaw Academy’s Master Certificate In Full Stack Development – a 170 hour-long live online course. It is the first & only program on Full Stack Development with Automation and AWS Cloud. Happy learning!

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Matplotlib In Python: A Tutorial In 3 Simple Points

Jyotsna Vadakkanmarveettil — Wed, 05 May 2021 11:27:29 +0000

Introduction

Images are a powerful means of communication. We often use them to better understand the situation or to wrap pieces of information into a graphic image. To give a few examples of how they can help, let us consider the fields of scientific analysis and practice. To clearly identify the issues, it is very important to be able to visualize the data when analyzing performance data. Similarly, just looking at a graph drawn for scientific research can give a scientist a better understanding of the results.

Python is a translated language with a strong core function and a powerful modular feature that allows you to expand the language with external modules that provide new functionality. The result is that we have a flexible language with the tools to accomplish one task in the best possible way. Modules are usually packaged. A package is a structured set of modules with the same purpose. One example of a package is Matplotlib in Python.

What is Matplotlib in Python?
What is Matplotlib in Python used for?
Python Matplotlib – Types of Plots

1. What is Matplotlib in Python?

Matplotlib is a 2D editing python package that produces quality production graphs in python. It supports collaborative and non-interactive editing and can save images in multiple output formats. It permits easy installation of various plots in python, including line, scatter, bar, and radial sites, with high flexibility for improved style.

The flexible artist module allows developers to basically define any type of visualization. For general use, Matplotlib in python provides an easy-to-use interface, a matplotlib pyplot module, for easy plotting.

Matplotlib in python is easily integrated into development environments, such as Jupyter Notebook, and supports many advanced data viewing packages.

2. What is Matplotlib in Python used for?

Matplotlib is a python library used for plotting. The object-focused module simplifies the plotting process. We only need to call to import maplotlib.pyplot as plt import API to build and customize many basic matplotlib plots.

For styling, Matplotlib in python offers functions to change the look of each element, and ready-made style sheets are available to avoid these additional steps when adjusted aesthetics are not required.

3. Python Matplotlib – Types of Plots

1. Matplotlib Histogram: Histograms are useful in surveying the distribution of data. In Matplotlib, we call the plt.hist ( ) function with a linear array. Matplotlib in python automatically group the set of data points into bins and plot out the frequencies for each bin in bars.

Here is an example of plotting a randomly generated binomial distribution:

import numpy as np
import matplotlib.pyplot as plt
np.random.seed ( 8 )
x = np.random.binomial (100, 0.5, size=10000 )
plt.hist (x, bins=20 ) # or plt.hist (x, 20 )
plt.show ( )

The histogram produced is as follows:

2. Bar plot Matplotlib: Bar plots are useful for comparing absolute levels of discrete data series. They are created by the function plt.bar ( labels, heights ) in Matplotlib.

Let’s look at the example of the market capitalization of five top cryptocurrencies:

import matplotlib.pyplot as plt
cc = [ ‘BTC’, ‘XRP’, ‘ETH’, ‘BCH’, ‘ADA’ ]
cap = [ 282034, 131378, 107393, 49999, 26137]
plt.bar ( cc, cap )
plt.title ( ‘Market Capitalization of five top cryptocurrencies in Jan 2018’ )
plt.xlabel ( ‘cryptocurrency’ )
plt.ylabel ( ‘Market capitalization (million USD)’ )
plt.show ( )

Output:

3. Pie Chart: Pie Chart is a circular representation of component ratios. The angle, and hence the arc length of eachsector ratio (also called wedges), presents the proportion that each component accounts for, relative to the whole.

Matplotlib in python provides the plt.pie ( ) function to draw pie charts. We can label each sector with labels as well as the percentage with autopct automatically. To maintain the circular shape of the pie chart, we specify the same width and length for a square figure with plt.figure ( figsize= ( n, n ) ).

Let’s take an example of web server usage:

import matplotlib.pyplot as plt
plt.figure ( figsize= ( 4, 4 ) )
x = [ 0.31, 0.3, 0.14, 0.1, 0.15 ]
labels = [ ‘nginx’, ‘Apache’, ‘IIS’, ‘Varnish’, ‘Others’ ]
plt.pie ( x, labels= labels, autopct= ‘%1.1f %%’ )
plt.title ( ‘Web Server Usage Statistics’ )
plt.show ( )

Output:

4. Matplotlib Scatter Plot: Another basic plot type is a scatter plot, a plot of dots. You can draw it by calling plt.scatter ( x, y ). The following example shows a scatter plot of random dots:

import NumPy as np
import matplotlib. pyplot as plt
np. random.seed ( 42 )
r = np.random.rand ( 2, 100 )
plt.scatter ( r [0], r [1] )
plt.show ( )

5. Error Bar Charts: In experimental sciences, we know that all the measurements that we take lack perfect precision. This leads to repeating the measurements, which results in obtaining a set of values. The expected result is that all those measures group up around the true value that we want to measure.

The representation of this distribution of data values is done by plotting a single data point, (commonly) the mean value of the dataset, and an error bar to represent the overall distribution of data. This helps us to get a general idea of how accurate a measurement is ( or how far the reported value could be from the error-free value ).

Using the errorbar ( ) function, Matplotlib in python allows us to create such a graph type.

Let’s take an example:

import matplotlib.pyplot as plt
import NumPy as np
x = np.arange ( 0, 4, 0.2 )
y = np.exp ( -x )
el = 0.1 * np.abs ( np.random.randn ( len (y ) ) )
plt.errorbar ( x, y, yerr=el, fmt= ‘.-‘ );
plt.show ( )

Conclusion

The idea behind Matplotlib can be summed up in the following motto as quoted by John Hunter, the creator and project leader of Matplotlib:

“Matplotlib tries to make easy things easy and hard things possible”.

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Angular Tutorial: A Simple Beginner’s Guide In 8 Points

Jyotsna Vadakkanmarveettil — Wed, 05 May 2021 10:20:19 +0000

Introduction

Welcome to this comprehensive discussion about the Agular tutorial. If you are a fan of JavaScript, it is highly probable for you to know angular tutorial. It would be easy to sail through angular if you have some basic knowledge of JavaScript. Angular is a trending framework used to develop different web applications. This article will end you up with a decent knowledge of angular tutorial.

What is Angular?
What are angular forms, and how to implement them?
Introduction to angular components
Angular Hello World
Data Binding in Angular
What is Bootstrap, and how to embed Bootstrap into Angular?
Introduction to Angular service and its features
Angular Tutorial In Routing

1. What is Angular?

Angular is a Typescript framework and is often contended by google. Through this, one can develop huge applications easily. Angular offers a high performance by way of higher code quality. Check out this angular tutorial article to know about its features, advantages and limitations so far.

2. What are angular forms, and how to implement them?

Angular forms are an inherent part of a web application. Forms are used to enable the user’s login to profile, update, enter all required information, and perform numerous data entry tasks. Generally, angular has two approaches for handling the input of the user. They are reactive and template-driven.

3. Introduction to angular components

Angular components can be termed as building blocks for any application. These components are generally connected with a template. They define different features of the user interface. An angular app basically contains a tree of these components. These components are subsets of directives. But here, you can express only one component for a stated element in a template.

4. Angular Hello World

Nowadays, many different applications can be developed with the help of angular. Through Angular tutorial, you can create your own Hello World App by learning all the necessary prerequisites of Angular. There are three primary prerequisites. They are Node JS, Angular Command Line Interface and Text Editor. Angular uses Node JS as a major component of its build environment.

It would be best to have Node JS installed on your personal computer to get started with angular. You should install the latest version and also need to confirm command check. For the easier development of applications, angular has created an Angular Command Line Interface(CLI). You can install CLI by typing the proper command. A text editor should be there to run your code. The most commonly used is Visual Studio Code (VS code).

The first step is to create a folder for your application and open a new terminal and type proper command. The next step is to run the application and changing the directory.

5. Data Binding in Angular

Data Binding in Angular JavaScript apps is the instinctive synchronization of the data between the view and model components. There are four important types of data binding in Angular. They are String Interpolation, Property Binding, Event Binding and Two-way data binding. Thus the exchange of data between model and component and vice versa is possible.

6. What is Bootstrap, and how to embed Bootstrap into Angular?

A bootstrap is an essential tool used to create and develop various web pages and web applications. It is a free project which Twitter creates. And this open source project is also hosted on GitHub. Here are the steps to integrate a normal Bootstrap into your angular project :

1. The first step is to create an angular project with an angular command-line interface (CLI)

2. Next is to install the latest version of Bootstrap from NPM. Once it gets installed, open the angular file and next add the file paths of Bootstraps.

That’s all you need. Now you are ready to go with Bootstrap on your angular projects.

7. Introduction to Angular service and its features

An Angular Service is used for offering various services to the angular components. Angular services are the ones that get incorporated only once in the application lifetime. They possess methods to maintain the data throughout the lifetime of an application. The primary objective is to arrange and divide business models, logic, or data and functions with various components of an angular application. They are generally executed through dependency injection.

Features of Angular services

1. Angular services are typescript with the @injectible decorator.

2. Angular services are used to share a single code across different components.

3. These are used to interact with the backend.

4. The components are singletons in angular.

5.A service can be entered as a part of a component or part of the module.

8. Angular Tutorial In Routing

Angular Routing is a crucial part of Angular. It is used to create Single Page Applications (SPA’s). These applications are entered only once, and new content is added when required dynamically. SPQ’s provide effective service and so no need of waiting to load pages. Angular Routing facilitates navigation between multiple views. The process of defining the navigation element and the related view in the Angular is called Angular Routing.

How to implement Angular Dependency Injection?

Dependency injection is done by injecting a service class into a component or module class. Within the class, injected dependency can be used anywhere.

Angular Interview Questions with Answers

Angular developers have high demand because of the increasing usage of Angular. Here are some questions with answers.

1. What are some advantages of Angular?

Some of the advantages are Declarative UI, and Long term google support and some features provided out of the box.

2. What are lifecycles hooks in angular?

Some component lifecycle hooks are Constructor, non-changes, ngOnlnit, etc…

Conclusion

Angular is a widely used tool nowadays because of its easy usage and convenience. So it would help if you went through Angular Tutorial for the effective usage of Angular.

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Earning High PMP PDUs For PMP Certification: Easy Guide (2021)

Jyotsna Vadakkanmarveettil — Wed, 05 May 2021 08:49:24 +0000

Introduction

PDU stands for Professional Development Department, a method of measuring the continuous development of a profession. Must have a certificate certified by the Project Management Institute (PMI) and they are part of the CCR (Continuous Certification Requirements) program. PMI credential holders can request PDUs from the PMI website. The site can request PMP PDUs for valid credential holders.

Earning a task control credential is only a starting of a massive grind, which makes the PMI credential holder think that they have to comply with the provisions of the PMP credential. PMP credential pronounces your understanding and enjoys satisfying positive task-unique expectations. The certification tells your seriousness and a will to do something for your profession, enterprise, clients, and inclination.

How to save my PMP credentials?
Don’t forget to read out these basic rules before going for a plan

1. How to save my PMP credentials?

After reading this out, it will be a piece of cake for you. A proper plan can help you obtain PDUs in various ways, such as e-learning, participating in PMP chapters, and participating in social and cultural activities. Here are some tips for retaining PMP credentials.

1.Developing a quick strategy to obtain PDUs without waiting for the cycle to start is a good starting point.

2. Keep a personal folder to record all your PMP PDU statements.

3.The activity should be reported immediately after the activity so that the activity report form can be filled ineffectively.

4. Use the PDU migration starting one year before the current period. PMP holders can carry up to 20 PDUs.

You must earn 60 PDUs within three years to obtain these credentials. Here, the Professional Development Department (PDU) importance comes into play, constantly dominating our thoughts, conversations, and leisure time. Planning can make purchasing PDUs more economical. Ultimately, professionals work hard to achieve the consistency and speed of the PDU. How can working professionals achieve this goal only by doing their work? The number of PDUs can be determined according to your daily work. The following are some of the activities that qualify for the PDU, which may be part of your current role.

1.Pass the PMI publication Tests

Pass the basic and simple PMI audit test to get your PDU’s. According to the CCR requirements, you can earn up to 2.5 PDUs.

2.Your current job

Work as a project manager can enable you to receive a fixed 25% PDU reward, thereby keeping the PDU satisfied. If you work with a project management expert for at least 6 months, you can receive up to 5 PDUs per year.

3.PM Volunteer Association

Just becomes the PM association or committee member, elected official or project manager, local volunteer, and receives 1 PDU service every hour.

4.Monthly webinars

The PDUs in the monthly GOWing webinar with multiple presenters hosted by PDU Podcast can carry their PDUs with you anytime, anywhere.

5. PDU always for listening

Get the PDU to easily listen to the PM podcast, which includes interviews with project management experts from all over the world. By listening to these podcasts, you can also get multiple PDUs. However, the number of PDUs attached to such podcasts is relatively small.

6. Educational training

Grab on easily up to 10-15 PDUs per semester; this is one of the easiest ways to collect PDUs. Candidates with financial difficulties can choose project management courses offered by local community colleges that have obtained multiple PDUs. Is not it’s interesting, you are learning something and earning this, which is a perfect plan for the present and future.

2. Don’t forget to read out these basic rules before going for a plan

There are many promotional measures you can take to obtain PDUs. PM Podcast is an “educational” event in the Internet or digital media category. PMI explained: “Ranking activities should match the competency topics in the PMI Talent Triangle, achieve goals and utilize expert resources.” PM Podcast fully meets these requirements. As long as you insist on at least 8 PDUs in each skill area of the talent triangle, you can claim up to 60 PDUs when listening to PM podcasts.

Please note that all PMP certificate holders will be audited during the PDU submission process, and you may be asked to provide detailed evidence on how to receive all PDUs. PMI reserves the right to reject any or all PDUs you need. If an audit is conducted, PMI can “require you to conduct in-depth study evidence, including instructions and data on the measures taken.”

Conclusion

Ok, I know you think that this is so much difficult, but I believe getting PDU’s in some years is not that tough if you try hard to achieve it; as always said, “there’s always a risk with a reward”. Here’s a deal you can easily search on the internet to find out the best certification course training online at some of the most top-rated cities and areas. There is as such no minimum requirement of getting a PDU in a particular category specified. A PDU activity before a PMI certification can’t be approved towards the renewal requirement.

Want to know all relevant information about your future? Head to our website to check out the best and the latest information about various fields to build your knowledge and scope.

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Best Web Analytics Tools: How To Make The Most Of It (2021)

Jyotsna Vadakkanmarveettil — Tue, 04 May 2021 08:39:45 +0000

Introduction

In this writeup, we shall touch up the concepts of web analytics, the use cases of web analytics, and the more importantly the various web analytics tools that enable quick and hassle-free analysis of data derived from operations of web-based solutions.

One of the most useful data for any digital marketer or a digital marketing team is the data set that shows the utility of web resources and web apps that drive business. In fact, not only is this data useful for digital marketing, but it is also useful for a deep dive analysis of how the digital front of the business is working. Keeping a track of this data, generated in real-time and applying various analytical methods to the captured data is not an easy task. Web analytics are tools that do precisely this job.

Having access to the most advanced web analytics tools is one thing and to be able to draw insights and benefits for the business is entirely another task. You have to be sure of your goals before setting out to get on your marketing journey with a web analytics tool. Here are a few pieces of advice that will keep you on the hunt for your goals with your web analytics tool of your choice.

How do you use Web Analytics effectively?
What details you can get from Web Analytics tools
5 Best free web analytics tools and their features
5 Best paid web analytics tools and their features

1. How do you use Web Analytics effectively?

Let’s look at the steps that will help you take back more from a web analytics tool.

Step 1- Set a goal

Set the objective straight, the goal should be clear before starting with a web analytics engine. Many go into web analytics with the mindset of checking the website hits or landing page hits. Web analytics is not only about web page hits and there are more. Your goals should be based on what you want your customers to do with your website. If the primary goal of a website or page is to get the customer to download content, then you should be looking at what does the customer has to go through to get to the download page.

Step 2- Figure out where the problem if any lies

For example, web analytics tools will let you know which page experiences the maximum exit rates. If the exit rates are unreasonable, meaning exit on a particular page is unexpected, you should try and investigate the root cause.

Step 3- Enhanced user experience

Web analytics tools will also show up any slack in user experiences. Information on page load timings, size of the pages goes a long way in ensuring the customer has a smooth user experience on your site. Even if it is an elaborate website with the best of presentations, if the page load takes an unreasonable amount of time, it has failed the user experience test.

2. What details you can get from Web Analytics tools

Now that brings up the question, what are the granular details that I can expect from a web analytics tool. Well, the simple answer to that is, quite a lot. Some of the important data captured by web analytics tools are

Keywords that users search or look for, content performance report showing best content, page exits, campaign feedback, location-specific data, information about the device used, and many more.

Let’s now take a look at some of the popular web analytics tools available today.

3. 5 Best free web analytics tools and their features

Clicky

Clicky presents you with a simplified dashboard for quick and easy inferences. Clicky has both a free and a professional version. Some of the well-appreciated features of Clicky are

Simplified dashboard

Real-time analytical data

Tracking of Twitter search.

Open Web Analytics (OWA)

Just as the name suggests OWA is an open-source web analytics tool that is fast and highly efficient. With a lot of emphasis on the visual presentation of the tool, it is easy on the eyes. Some of the features of OWA are,

Mouse tracking and heatmaps

Funnel Analytics

Completely free to use.

Piwik

One unique thing about Piwik is that you can create your own plugins and depends heavily on plugins to achieve its goals. Here ae some features that Piwik is known for

Self-hosted

A customizable dashboard that can be adjusted with a simple drag and drop of widgets.

Faster interfaces

Large community support

Piwik has both paid and free versions.

Woopra

Woopra is an open-source web analytics tool, available in both paid and free versions. The free version allows up to 3000-page visits to be analysed. With Woopra, you can trigger and control third-party applications based on user behaviour. Other features of Woopra are,

Live webchat.

Customized dashboard

Heap Analytics

Heap analytics with free and paid versions is an open-source web analytics tool, that lets you capture virtually any activity by the user on your website, be it downloads, videos, or form submissions. Heap analytics features an easy-to-use user interface. With Even visualizer, you can create custom events and record any of them.

4. 5 Best paid web analytics tools and their features

Mint

Mint offers a superior user experience with an easy-to-use ad intuitive interface. Mint uses native web charts instead of flash. Some of the features of Mint are

A downloadable analytics program.

Offers real-time statistics

Features separate views for images generate traffic.

Kissmetrics

Kissmetrics features a Path Report feature, that helps analyse user interaction paths and patterns on your website. Kissmetrics offers the below features

Analyses any change in the behavioural pattern of users on your website.

A timeline view of visitors to your website.

An intuitive user experience

Mouseflow

Mouseflow stands out with its scroll heatmap feature letting you know how much are your webpages scrolled down, along with a complete mouse trail. There are other heatmaps of interest like attention, movement, and click heatmaps. Other important features of Mouseflow are,

Form analytics

Funnel analytics

Performance testing

Usability testing.

Crazy Egg

Crazy egg lets you identify points in web pages that visitors tend to abandon the most and lets you improve the page to keep visitors interested. Other features that Crazy Egg is known for are,

A feature called Confetti, lets you distinguish click streams between referrals and search terms.

Keeps track of SEO updates

Integrates Google Analytics

Clicktale

Clicktale has a neat analytics feature for forms showing which fields the visitors tend to leave out the most, which might be closely related to exit rates. Other noteworthy features of Clicktale are,

A visual story of user interactions on your website.

Click heatmaps,

Mouseover heatmaps

JavaScript error reports

Conclusion

If you plan to make it big in the Digital Marketer, one or more of these tools will come in handy. You need to pick one tool that you personally like and gain mastery of. There are a number of courses at Jigsaw Academy that offer in-depth training on these indispensable tools of the digital marketing age.

If you are interested in making it big in the world of data and evolve as a Future Leader, you may consider our Integrated Program in Business Analytics, a 10-month online program, in collaboration with IIM Indore!

Best DevOps Tools List: The Ultimate Selection (2021)

Jyotsna Vadakkanmarveettil — Mon, 03 May 2021 11:46:04 +0000

Introduction

Are you looking for a switch from IT operations to DevOps or a switch from development to DevOps? Well, you might as well get familiar with the top tools that dominate the scene in 2021. Here is a DevOps Tools list compiled after reviewing various factors like ease of use, ease of deployment, and popularity.

But if you are wondering what DevOps is after going through some of the internal job postings or on job websites, here is some information that will help you understand the role of DevOps in modern software development.

DevOps is not a particular software tool or even a clearly defined role, for that matter. DevOps, according to people in the know, is a culture that is in place to encourage smooth operation between IT operations and development teams and of finding ways to continuously improve the processes that fall in this bucket to achieve faster, better delivery of quality software. DevOps Tools are many times a collection of discrete software tools and sometimes a complete suite of tools working in tandem, all provided or even managed by a single vendor.

Each tool involved in DevOps has a specific purpose but has the potential to ease out any possible friction between IT Ops and Developer teams. A great example of a tool in DevOps is Git. Git is a version control system that democratizes development and puts the control in the hands of the developer as far as new releases and updates are concerned. Let’s now get into the actual DevOps Tools list we wanted to list out in the first place.

DevOps Tools List

Git

One of the most widely used tools in the DevOps technologies bucket is Git.

Git is a version control system that manages various versions and allows multiple versions from many development teams to be merged in a single update. Git allows free development without worrying too much about version control. Some of the features of Git are, Open Source and free, allows for decentralized development, support for the Pull request, enables Quick development, integration and release.

Jenkins

JENKINS is an open-source integration server with support for testing and reporting any changes. It makes the life of a developer much easier by helping in identifying bugs and rapidly code development. It also supports test automation. Jenkins supports around 1000 plug-ins that help you integrate with all stages of DevOps. With support for a wide range of version control software, including Git and a slew of plugins, Jenkins makes life easier for developers.

Selenium

Again, an open-source and free tool, Selenium is a software testing framework designed and optimised for web applications. Selenium is known for its easy-to-use interface that helps in creating automated test scripts. With Selenium, you can create browser-based regression testing automation suites. With support for a string of programming languages like C#, Java, Python, Ruby, PHP, Perl and JavaScript, Selenium is popular among developers and testers. Selenium also supports multiple platforms, including iOS, Android, Windows and Linux.

Docker

With container-based applications, there is hardly any load on the IT operations as far as setting up the right installation for the application. It is a lightweight tool and yet can scale up to 1000 nodes. Shipping the application along with a container makes it easier for developers to ship the product as quickly as possible.

Puppet

An open-source CM (Configuration Management) tool allows automating IT operations tasks like inspection, software delivery and operations through its entire life cycle independent of the platform. Puppet is based on a client-server or a master-slave architecture.

Chef

Another CM (Configuration Management) DevOps automation tool, chef an open-source software supports multiple platforms like AIX, FreeBSD, RHEL/ CentOS. It is a breeze to integrate Chef with cloud-based platforms.

Ansible

An open-source IT infrastructure automation tool makes it easy to automate applications and parts of IT infrastructure like network configuration and deployments on cloud and development environments. The most important feature of Ansible is that it is completely agentless. It also has a shorter learning curve with the script generated in YAML.

Nagios

Nagios is a very capable and powerful DevOps monitoring tool, helping in detecting and flagging out problems with the IT infrastructure well ahead. Nagios primarily monitors server traffic and performance issues. It can also automatically fix issues if they are found relatively less complex. Nagios can also help with the planning of IT upgrades for the future.

ELK Stack

Elasticsearch, Logstash, and Kibana (ELK) are a combination of 3 powerful tools used to collect, analyse, and draw inferences from your log data. The ELK stack is also an open-source tool and comes loaded with multiple plugins. ELK stack is easy to lightweight, and easy to deploy. IT can read through logs stored in flat file systems or excel-like documents or databases and draw inferences after analysis.

Splunk

Another tool to search, analyze log data from your servers, Splunk, also allows you to visualize this log data. Splunk is cloud-native and delivers its services through a web browser-based interface. Splunk also offers security based on predictive intelligence allowing it to be used for continuous monitoring.

Conclusion

The above list of tools is relevant for the current year and maybe for the next one to come. DevOps is a huge domain even for IT experienced folks. With the right guidance will keep you in the right direction in your pursuit of the most coveted roles in DevOps. Explore courses on Jigsaw Academy that will handhold you through this exciting journey.

If you are interested in making a career in the Data Science domain, our 11-month in-person Postgraduate Certificate Diploma in Data Science course can help you immensely in becoming a successful Data Science professional.

OAuth: Detailed Overview And It’s Working In 5 Points

Jyotsna Vadakkanmarveettil — Thu, 22 Apr 2021 08:55:27 +0000

Introduction

OAuth or Open Authorisation presents an authorisation layer and isolates the part of the customer from that of the resource owner. In OAuth, the customer demands access to resources hosted by the resource server and controlled by the resource owner and is given an alternate set of credentials than those of the resource owner.

Rather than utilising the resource owner’s credentials to get to ensured resources, the customer gets an entrance token, a string meaning a particular lifetime, scope, and other access attributes.

OAuth definition
OAuth history
OAuth vs OAuth2
How OAuth works
OAuth2

1. OAuth definition

OAuth or Open Authorisation or OAuth Authentication is an open standard authorization for access delegation, ordinarily utilised as a path for Internet clients to give applications or websites access to their information on different sites but without giving them the passwords. This mechanism is utilised by organisations like Twitter, Microsoft, Facebook, Google, and Amazon to allow the clients to impart information about their accounts to outsider websites or applications.

2. OAuth history

Created and firmly supported from the beginning by Google, Twitter and different organisations, OAuth or Open Authorisation was released as an open standard in the year 2010 as Request for Comments 5849 and immediately turned out to be adopted. Throughout the following two years, it went through a generous revision, and version OAuth2 was released in the year 2012 as Request for Comments 6749.

Even though OAuth2 was broadly reprimanded for different reasons covered below, it acquired a much greater reputation. Today, you can add Netflix, Microsoft, PayPal, LinkedIn, Instagram, Facebook, Amazon, and a list of other webs who’s-who’s as adopters.

3. OAuth vs OAuth2

OAuth2 is a complete rewrite of OAuth and utilisations diverse terms and terminology. OAuth user, service provider, and consumer become resource owner, resource server, authorisation server, and client in OAuth2. OAuth doesn’t expressly isolate the roles of the authorisation server and resource server.

Examples

The simplest OAuth example is the point at which you go to log onto a site, and it offers at least one opportunity to log on utilising another services or website’s logon. You, at that point, click on the button linked to the next site. The other site verifies you, and the site you were initially connecting with logs you on itself, subsequently utilising authorisation acquired from the subsequent site.

4. How OAuth works

There are three primary parts in an OAuth transaction: the service provider, the consumer, and the user. This triumvirate has been warmly considered the OAuth Love Triangle. Here’s how does OAuth work is explained:

Stage 1: The user shows intent.

Stage 2: The consumer gets authorisation.

Stage 3: The user is redirected to the service provider.

Stage 4: The user gives authorisation.

Stage 5: The consumer acquires an access token.

Stage 6: The consumer accesses the secured resource.

OAuth vs OpenID

The difference between OpenID vs OAuth is that OpenID Connect is an identity layer based on the top of the OAuth2 protocol. While OAuth2 grants a user of service to permit an outsider application to get to their information hosted with the service without uncovering their credentials to the application, OpenID allows an outsider application to get a client’s identity data which is overseen by a service.

OAuth vs SAML

The difference between SAML vs OAuth is that OAuth is an authorisation protocol, while Security Assertion Markup Language or SAML is a unified verification protocol outfitted towards big business security. It is intended for use in SSO or Single Sign-On situations, permitting a client to log in to different related frameworks and services utilising only a password and single ID.

SAML vs. OpenID:

SAML vs OpenID are identity protocols or frameworks intended to verify users and give identity information to get control and as a specialised strategy for a client’s identity.

SSO vs OAuth:

The distinction between SSO vs OAuth is that OAuth is an authorisation protocol, while SSO is a significant level term utilised to portray a situation in which a client operates similar credentials to get to numerous domains.

5. OAuth2

There are no ideal widespread internet-wide verification principles. OAuth is especially maligned given the uncommon changes between versions OAuth 1 and OAuth 2. From various perspectives, OAuth2 is less secure, more intricate, and less prescriptive than version OAuth 1. Version OAuth 2 designers focused on making OAuth more flexible and interoperable among devices and sites.

They additionally presented the idea of token termination, which didn’t exist in version OAuth 1. Despite the expectation, a large number of the first organisers and supporters surrendered and didn’t support version OAuth 2.

OAuth Grant Types:

The most well-known OAuth grant types are recorded below:

Refresh Token
Authorization Code
Device Code
Client Credentials

Conclusion

OAuth is not about authentication but authorisation. The authorisation is requesting permission to do stuff. Authentication is tied in with demonstrating you are the right individual since you know things. OAuth doesn’t pass authentication information among service providers and consumers but rather go about as an authorisation token of sorts.

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Benefits Of Learning Python: A Simplified Guide For 2021

Jyotsna Vadakkanmarveettil — Wed, 21 Apr 2021 08:24:12 +0000

Introduction

Would you like to build a strong future and take your career to the next level? Learn to program Python, here we are talking about the programming language. Let us read the benefits of learning python and know the importance of python. You can understand this programming language quickly, and you will achieve a fantastic career in the data science development industry once you use these skills. Moreover, with new apps for machine learning which emerge every day, the demand for Python programmers will grow even higher. Fascinated?

Top Benefits of learning python
Python Commands Demand
Used in many industrial industries
Python Security
Learning Python

1. Top Benefits of learning python

The global job market drives programming from Python. “Python is the fastest-growing major programming language,” according to Stack Overflow, as of 2017. It is one of the most widely used computer languages in high-earning economies, according to the same source, and if you choose to work in a different country, there is a strong chance of getting a job in two countries like Australia or Switzerland where programming companies control high wages. What can you do with python? Python will enhance your skills and make you more capable in this competitive job market across the globe.

Python programming is general in nearly every area, including:

Data science
Scientific and mathematical computing
Web development
Finance and trading
System automation and administration
Computer graphics
Basic game development
Security and penetration testing
General and application-specific scripting
Mapping and geography (GIS software)

2. Python Commands Demand

In future years, the demand for positions in the data sciences and analysis will increase by 1581%, so you will find one of these jobs after learning python. There are several explanations why learn python and which you will all understand once you mastered Python. Below are some of the benefits of learning python:

Possibility of earning

According to Indeed, Python is the second most compensated programming language. An annual wage of a professional can vary from $118,626 to $162,223 in a year.

Ease of Comprehension

Python language is simple and easy to learn. Its syntax reads like English, contrary to most computer languages, so it is not that difficult to pick up and understand. It manages complexity very well so that you can concentrate on learning Python, not information in open-sourced and unrestricted.

Flexible

Python is not only simple to understand but versatile as well. There are more than 125.000 Python third-party libraries that allow you to use Python for machinery, web processing, and even biology. It is also able to store, manipulate, and display data from its data-focused libraries, including pandas, NumPy, and matplotlib, and is therefore preferred for data analysis. That’s so convenient; sometimes, it is also called the programming language “Swiss Army Knife.”

3. Used in many industrial industries

Python is easy to use thanks to its simplicity. After learning Python programming, you are not limited to data science. You can also function in:

Finance and trading
Scientific and mathematical computing
Web development
System automation and administration
Computer graphics
Basic game development
Security and penetration testing
General and application-specific scripting
Mapping and geography (GIS software)

4. Python Security

The programming of OWASP Python Security Projection is not only easy to understand, but it is also one of the safest computer programming languages. This helps programmers build a “hardened” version that is harder to attack and manipulate. Developers can use black-box analysis, white-box analysis, and security-resistant python creation to deal with the problem from three different angles. People can use the OWSAP code freely since it is open-sourced, Creative Commons licensed Apache 2.0 code, and only attributable so you can change and use proprietary project forks – also in commercial projects. Project forks can be modified and used as you like. Then take up and apply your knowledge of the programming applications of this project. Your talents are becoming more commercialized.

5. Learning Python

How can I learn Python? The best way to learn Python is to take a class, so enroll and attend the certification training course of Python. You will be able to learn basic Python concepts in data analytics, data visualization, web scraping, machine learning, and processing of natural languages, as well as to develop in-depth knowledge. The key concepts for data types, lists, tuples, dictations, simple operators, and functions are mastered. You can also understand supervised learning and unattended models of learning such as linear regression, clustering, logistic regression, size reduction, K-NN, and pipeline. This course not only prepares you for a career in Python but also gives you a spectacular achievement certificate.

Conclusion

The time is to learn Python as there are many benefits of learning python. The basics will help you to gain a lot in the exciting field of your choice along with a good position. It is likely that data science is your best bet, but you will be able to learn Python programming everywhere you go.

Skills Required for Marketing: A Detailed Guide In 2021

Jyotsna Vadakkanmarveettil — Wed, 21 Apr 2021 06:31:18 +0000

Introduction

One of the basic questions asked to marketers in an interview is, ‘The place where do you see yourself in the following five to ten years? What are abilities that you have which different marketers don’t have? For what reason would it be advisable for me to hire you?’. The most challenging questions for a beginner who is just entering into the field. In this article, we will learn about the skills required for marketing.

If you are a novice in the marketing field or hanging with jumbled ideas in the marketing proficient stepping stool, you have hit the correct space. This is a good try to help your plan, build your profession in marketing, and sharpen the necessary skills required for marketing to each progression of your career path.

What Skills are Required for Marketing?
Types of Marketing Niche
Levels of a Marketing Career and Required Skills
Marketing Skills Needed for all Marketing Professionals
Ideas and Thoughts to Help You Move up in the Ladder

1. What Skills are Required for Marketing?

Ability to Understand the Sales Process and the Buyer Needs
Inbound Marketing
Solid Grasp of Analytics
Ability to Communicate
Ability to Tell A Story

2. Types of Marketing Niche

Presently, there are two significant types of marketing administering the business market. They are offline or traditional marketing and online or digital marketing.

Offline or Traditional Marketing:

Regardless of the effect of the internet, the market contemplates uncovering that even today, offline or traditional marketing holds a critical space in the field of business. Indeed, even today, in the digital world, client associations, sponsorships, cold calls, face-to-face meetings and conversations, networking, etc., mean a great deal in the marketing field.

Online or Digital Marketing:

Then again, digital or online marketing likewise holds great to focus on the audience who have admittance to the cell phone internet technology. Digital advertising, email marketing, video marketing, content marketing, webinars, etc., have become an important factor in the marketing strategy. In an ordinary world, there are four standard levels in the marketing field. They are:

Level 1: Business Development Executive and Marketing Executive.
Level 2: Marketing Manager, Marketing Analyst, Product Specialist and Marketing Coordinator.
Level 3: President Marketing, Marketing, Vice-President, and Marketing Head.
Level 4: The Chief Marketing Officer.

3. Levels of a Marketing Career and Required Skills

Level 1: Business Development Executive and Marketing Executive:

The essential or the beginning phase of the marketing field is generally as a business development executive and marketing executive. Most marketers in this level mean to boost the benefits by coordinating with the buyer prerequisites with the items and elevating them to the right target audience.

Level 2: Marketing Manager, Marketing Analyst, Product Specialist, and Marketing Coordinator:

As a marketer, it is imperative to grandstand the market information and domain expertise at this stage. Beyond the capacity to exhibit an inventive storyboard to market the item, one should have the option to deal with a group of marketing executive and guarantee the business objectives are met. One should utilise the intrinsic potential to abuse the chances and utilise the resources most proficiently.

Level 3: President Marketing, Marketing, Vice-President, and Marketing Head:

Ordinarily, it takes right around 12 to 18 years to arrive at the centre of the Marketing group of the business firm. Marketing experts in this stage are answerable for creating and executing a firm marketing plan to upsurge brand awareness, setting long-term and current business and marketing objectives for internal teams, reviewing and designing the marketing department’s budget.

Level 4: The Chief Marketing Officer:

The road to becoming the CMO of a business firm is challenging as well as risky. The Chief Marketing Officer of a firm is an individual who knows the audience outlook just as the business partners recommend.

4. Marketing Skills Needed for all Marketing Professionals

Leadership Skills
Customer-Centric Approach
Data Analytics
The Art of Storytelling
Listening Skills
Collaborative and Networking Skills
Communication Skills

5. Ideas and Thoughts to Help You Move up in the Ladder

Peruse and stay informed of the variations in the marketing field.
Share the true and critical bits of knowledge.
Achievement or failure-document every move.
Have a similar outlook as a user and a pro executive team.
Continuously know commercial awareness.
Make services and products useful for the consumer.

Skills Required for Digital Marketing:

SEO & SEM
Content Marketing
Video
Data Analytics
Be Tech-Savvy

Skills Required for Marketing Manager or Skills Required for Marketing Executive:

Leadership Skills
Creative Skills
Technical Skills
Communication Skills
Organizational Skills

Skills Required for Sales and Marketing:

Customer Service
Territory
Sales Goals
Sales Process
Revenue Growth

Skills Required for Social Media Marketing:

Excellent Communication
Writing Ability
Creativity
Project Management
Analytical Skills

Skills Required for Market Research:

Consumer Behaviour
Sampling Theory and Practice
Survey Research
Management
Business Development

Technical Skills Required for Marketing:

Marketing Strategy Skills
Business to Business Marketing
Marketing Soft Skills
Digital Marketing Skills
Marketing Executive Skills

Skills Required for MBA Marketing:

Communication
Teamwork
Time Management
Analysis
Leadership

Conclusion

It is hard to set explicit skills required for marketing. It is essential to adjust and appreciate what you are acceptable and the prerequisites of the profile along these lines. This would assist you in running a long mile into the trail.

Want to know all relevant information about your future? Head to our website to check out the best and the latest information about various fields to build your knowledge and scope.

Uipath Careers: The Latest overview (2021)

Jyotsna Vadakkanmarveettil — Tue, 20 Apr 2021 09:46:38 +0000

Introduction

With the latest inventions happening in the field of technologies, the need for robotic automation is also on the rise. It not only does repetitive work more efficiently but reduces the burden on human employees and makes them free for more innovative and useful work. Considering the factor that now a great percentage of companies are using RPA (Robotic Process Automation) for their day-to-day work, UiPath careers open vast and lucrative job opportunities for freshers to expert professionals. Read on this guide to know how Uipath RPA can help you learn new skills and get a great career in robotic automation.

What is UiPath?
What is RPA?
How RPA helps in UiPath careers?
Job Trends in UiPath
UiPath Job Profiles
Skills Required for UiPath careers
Salaries

1. What is UiPath?

UiPath is a leading RPA developer globally and has emerged as the only RPA platform in the competitive market that supports the full automation lifecycle starting from discovery to measurement. Moreover, Uipath RPA offers a complete package of process mining, exclusive embedded analytics, enhanced AI fabric components, SaaS-based RPA, along with the latest test automation. It also provides a free Community Edition and an Enterprise Edition for the benefits of its professionals and users.

Being one of the fastest RPA solution providers, the UiPath career scopes are abundant and highly remunerative. Before moving further, let us understand what RPA is and how it establishes the professionals in the emerging world of UiPath careers?

2. What is RPA?

RPA or Robotic process automation is an advanced software tool that easily and quickly does repetitive tasks without human intervention. It is a software robot that can perform a wide range of defined actions by emulating human actions and reducing manual efforts.

3. How RPA helps in UiPath careers?

RPA does repetitive and high-volume tasks more efficiently and quicker than humans and, in turn, boosts productivity, performance, and resilience in the business. Being packed with so many advantages, it is now accepted worldwide and used in various industries from financial, healthcare, manufacturing, and public sector to retail. And due to this broad spectrum of implementation worldwide, there is also a surge in UiPath developer jobs.

4. Job Trends in UiPath

With more and more companies using UiPath RPA to cut the manual time and cost, finding enough good RPA skilled professionals to fill their UiPath RPA developer jobs is becoming difficult. This has led to an increase in demand and, in turn, increased salaries for trained UiPath experts. The following figure also illustrates how the number of RPA UiPath jobs in the United Kingdom increases with time, making it a most in-demand career choice.

Source: itjobswatch.co.uk

It is quite visible in the above figure that the UiPath careers escalated at a great speed, and this is what we can expect shortly as well. This growth makes RPA a worthy field for learning and achieving a great height in the professional graph.

Let us move further to know what other options are available as a career in RPA UiPath.

5. UiPath Job Profiles

UiPath career path is full of opportunities that one can apply for as per their skills and capabilities, such as:

RPA Process Analyst: A product Analyst analyzes pre-existing processes, evaluates workflows for improving efficiency, develops implementation plans, and documents the same.
RPA UiPath Developer: Responsible for designing, developing, and deploying RPA solutions to improve efficiency.
RPA Automation Engineer/ Developer: Monitors and tracks the ROI for each solution and develops continuous monitoring processes.
Sr. RPA UiPath Developer – Achieves the targets and delivers automation solutions to the clients.
RPA UiPath Lead – Works as per client requirements and defines architectural requirements for the solutions suggested.
RPA UiPath Solution Architect – Provides architect and design solutions using trending technologies and sees that the development team understands the design proposed and implements the automation workflow design.

With so many different UiPath careers available in RPA, it is unquestionably a good choice to acquire the skills. However, you need to have a few other skills to make a career in UiPath.

6. Skills Required for UiPath careers

A professional looking for RPA UiPath jobs must have the following skills:

Hands-on experience in UiPath, Blue Prism, Automation Anywhere
Good understanding of the RPA lifecycle and how to build automation
Basic knowledge of SQL databases
Understanding of how to create technical specification document for a variety of RPA Projects
Proficiency in coding in .NET, C#, and VB scripting
Basic knowledge of Lean Six Sigma

7. Salaries

As above stated, an RPA professional has different roles in the industry, and the salaries vary for different roles, which are shown in the below table sourced from Indeed.com.

Job Profile	Expected Salary
RPA Process Analyst	$75,141
RPA UiPath Developer	$79,997
Automation Engineer/ Developer	$90,336
Sr. RPA UiPath Developer	$92,796
RPA UiPath Lead	$124,381
RPA UiPath Solutions Architect	$138,905

Conclusion

With start-ups to top-notch companies hiring skilled RPA experts, there is a boost in UiPath careers. Now they are willing to spend a good price on RPA Developers and open UiPath jobs for freshers to experienced professionals. So, if you want to gain new skills and attain new heights, learn UiPath and enter into the great world of automation.