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WTF code, defects, and the principle of least astonishment

We have recently introduced two defects, while trying to improve old, obscure code. Of course we are to blame for not being more paranoid and not researching more why the code was there. But if the code was clear to start with, if it followed the least astonishment principle, the errors wouldn’t have happened. In both cases the original code provoked ...

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Demystifying the concepts of ‘Asynchronous JavaScript’

Javascript has been one of the vital constituents for application development nowadays in the world of information technology. Every application that is developed now is web-based, and when it comes to accessing the application through the web browser, you got to depend on javascript. So, this blog is basically about breaking down the concepts of asynchronous requests in javascript which ...

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Fullstack development environment with Docker

I have been using Docker for building (compile/packaging) and running web applications for some time. Through this blog, I would like to share how I used docker for building and running a complete (Angular/SpringBoot) webapp in a local and production environments. Docker for development environment In large enterprise projects with distributed development teams, it becomes very difficult to manage and maintain a consistent ...

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An Overview of Caching Methods

Caching is a way to store and reuse the same data multiple times. By data, I mean anything like images, CSS files, JSON, etc. Caching will help you serve more requests per second and save on precious resources like network bandwidth and CPU load. What are some of the benefits and challenges that come with caching? What are the most ...

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Using Mustache.js for Client-Side Templating

Introduction In this article, I will show you how to make use of Mustache.js for client-side templating. In this approach, we get the JSON data from an API, developed by you or a 3rd party API and build the HTML required for rendering the data at the client side. We will make use of GitHub APIs to demonstrate this technique. ...

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Angular 4: Component Example

Welcome to the new concept of components in angular 4. Definition: component is a angular class , Components are the most basic building block of an UI in an Angular application. An Angular application is a tree of Angular components. Components always have a template and only one component can be instantiated per an element in a template. A component ...

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Integrating React in a 6+ Year Old Rails App

When it comes to modern JavaScript frameworks, it’s tempting to think of them as belonging to the bleeding edge as far as web technologies. But it can be a momentous task to install a modern framework into an older application — that can actually be the downfall of using these frameworks. Last year, we were approached by one of our ...

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Creating Configuration Objects in Ruby

There are many kinds of applications and many ways to manage how they behave or perform via configurations. Software is designed with default behavior built in, so some specific configuration is usually required before the software works (like a path to reach a dependency), or a default and possibly rudimentary implementation may run without it. From system tools that can ...

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