Category: Web

Load Testing with JMeter – Tips and Tricks

Load Testing with JMeter – Tips and Tricks

Increasing the heap size By default, JMeter uses 1 GB of heap memory. This may not be enough and you may encounter an Out of Memory exception. Maximum Heap memory size can be increased to say 2GB by adding the following line in JMeter startup script: Xmx2g means maximum heap size is set to 1…

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JMeter: Use multiple user logins for load testing

JMeter: Use multiple user logins for load testing

Thread Group simulates a number of virtual users putting the load on the server. Often one of the initial requests is user login and depending on the user credentials specified in the login call, all threads will be using the same login. If you want each thread spawned by the Thread Group to use a…

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Introduction to Load Testing with JMeter

Introduction to Load Testing with JMeter

JMeter is a load testing tool to measure the performance of web applications. It is open-source and written in Java. Key concepts in JMeter JMeter test script is developed by adding components in the Test Plan pane on the left side. To get a general idea about the components and what can be achieved, let’s…

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CSS in Svelte

CSS in Svelte

Svelte is a front-end framework for web development, you can find more about it here. This post is about using CSS in Svelte. CSS in Svelte Components CSS styles specified in Svelte components are scoped to the component itself, meaning they don’t affect anything outside the component. Svelte compiler achieves this by making appropriate changes…

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Svelte – a kind of UI Framework

Svelte – a kind of UI Framework

Svelte is a front-end framework for web development like React, Vue and Angular. In a short time, Svelte has become very popular as you can see from ‘State of JS’ survey or the stars on it’s GitHub repo. Single Page Application (SPA) These UI Frameworks enable us to create single-page applications where most of the…

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Create Masonry Layout with CSS (Grid with variable-sized contents arranged in columns)

Create Masonry Layout with CSS (Grid with variable-sized contents arranged in columns)

Source code for examples in this article can be found at https://github.com/umaranis/css-masonry-layout In Masonry layout, variable-sized items are arranged in columns. It is different from a regular grid in the sense that it doesn’t have fixed-sized rows. Pinterest is a popular example of the masonry layout. The layout looks beautiful and makes efficient use of…

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Add linting to NodeJs and TypeScript project

Add linting to NodeJs and TypeScript project

We are going to install TypeScript ESLint for finding potential problems with our code. Most online tutorials talk about using TSLint for TypeScript, but it is deprecated now in favour of ESLint. Let’s start by installing ESLint. To configure the linter, we need to create a config called .eslintrc.js in the root directory. Let’s create…

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Setup Nodejs + Typescript development environment

Setup Nodejs + Typescript development environment

Here is the summary: Install Nodejs Initialize Javascript project Convert to Typescript Install ts-node Prerequisite You would need a code editor installed on your system. I personally recommend Visual Studio Code as it has amazing support for Typescript. Install Nodejs Nodejs can be downloaded and installed from here. It will also include NPM (node package…

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Dart Code Coverage with Github Actions and CodeCov

Dart Code Coverage with Github Actions and CodeCov

Unit tests and Code Coverage not only improves the code quality but also provides agility in developing new features with confidence. How to set it up for a Dart repository hosted on GitHub? We will be using following two packages for writing/running unit tests and collecting code coverage data. Package Description test Provides a standard…

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Maximo Test Automation with Cypress

Maximo Test Automation with Cypress

Cypress.io is a newish front-end test automation tool. In my brief encounter with Cypress, I found it relatively easy to set up and get started. The development workflow from coding to writing tests and running them is refreshingly smooth as compared to other Selenium based tools. Cypress does have its own limitations though as explained…

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