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Remove a Mounted React Component with React.unmountComponentAtNode()
While going through the codebase of React Bootstrap (for some reason), I came across an interesting implementation of a “React playground”. The code behind the playground is in ReactPlayground.js. I...
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Passing Data Across Components with Contexts in ReactJS
Using React Contexts we can communicate across a hierarchy of Components. To understand this, think of a widget represented by a View component which has lots of child view components. You might...
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What is Rack and Rack Middlewares (Basis of Ruby Frameworks) ?
Rack is a very thin interface between Ruby frameworks and web servers that support Ruby. What it basically means is that it provides a minimal API for connecting web servers (supporting Ruby) and web...
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Single Sign On (SSO) for Multiple Applications with Devise, OmniAuth and...
Recently I had to implement Single Sign On (SSO) for one of the Rails app I’d been working on. Since Devise is already fairly popular to integrate an authentication system in Rails app, I was more...
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Quick Tip: Rails Escaping Database Values and Storing/Inserting with...
In this quick tip we’ll see how to escape values in Rails before passing them on to an SQL query (preventing injection attacks) and then also look into how to do multi-inserts (at the DB level). Let’s...
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Prevent Touch Panning and Zooming on Mobile Web Pages with CSS touch-action...
The new touch-action property from the CSS Pointer Events spec can help us (as developers) specify what sort of manipulation (panning, zooming, etc.) should be allowed by a user in a particular region...
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JavaScript Fire onSubmit Event Handler Programmatically by Calling form.submit()
Unless you code your web pages in vanilla javascript, you’ll probably not notice this but when you do it’ll quite baffle you that the event listener you attach to a form’s submit event using...
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Trigger HTML5 Form Validation on JavaScript Submission (form.submit())
Most of the time when dealing with web forms, we either have a basic version where the user clicks on the submit button and the form submits to the relevant action with the relevant GET/POST method...
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Custom Validation Messages for HTML5 Form Constraints
Well, we already know that with HTML5 from constraints, client side form validation has become super easy. All we have to do is use attributes like required, maxlength, pattern, step, etc. and/or the...
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CSS Apply Filter Effects (blur, grayscale, hue) to the Area Behind an Element...
We’re well acquainted with the CSS3 filter property that lets us apply various effects like blur, grayscale, sepia, saturation, etc. to a particular element. Now using this property we actually end up...
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Compiling Next Generation JavaScript (ES6, ES7, React) in Browser with Babel...
Babel is an amazing tool for writing ES6 (ES2015), ES7 (ES2016), JSX, etc. code that finally gets compiled (or transpiled) into JavaScript (mostly ES5 as of now) that can be executed by most browsers....
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Getting Started with React – Setting up the Development Environment
React (also React.js or ReactJS) is a JavaScript library for building user interfaces developed by Facebook & Instagram. It is not a full blown framework like Angular or Ember or even Backbone.js....
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Guide (Introduction, Implementation and How it Works) to A/B Testing and...
Recently I’ve been investing a lot of time into A/B (split) testing/experiments and analysing their results. Slowly I’ve started to love this way of rolling out changes on the web (can be surely used...
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HTML5 Fullscreen Background Video with CSS and JS (Plugin/Library)
Fullscreen background videos that autoplay right when the webpage loads (above the fold) has become quite a popular trend these days. Personally I think a fullscreen good quality video that autoplays...
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Two Ways to Create an Animated Hamburger Menu
If you’re a developer or a designer, you’re probably familiar with the trend of using hamburger (or three-line) menus as fully responsive and mobile friendly navigation solutions. The trend has grown...
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Tips for Cross Browser Compatibility
Developing and designing for every browser type can be a very challenging (some might say impossible) task. Every browser has its own unique inherent styling that (even with the use of a reset) can be...
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Guide to Creating Pure CSS Animated Buttons
There are so many different ways to create stylish buttons with HTML and CSS. All you need is an <a> tag or two to get started. It’s also fairly easy to create animated buttons that actually...
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10 Essentials For Using Chrome’s Developer Tools
Google Chrome’s Developer tools makes coding so much easier I’m not sure how developers ever lived without it. For those unfamiliar with it, the tool allows developers to edit their code in real time...
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A Guide to CSS Resets
CSS resets are a great tool that can be used to essentially reset some (or all, depending on the reset you use) of a particular browser’s default styling. Developers use resets to help ensure...
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Best Resources to Learn to Code for Free
If you’ve ever wanted to learn how to code (or maybe you know some basics, but would like to learn more), now’s the time to do it. There are dozens of free code classes and bootcamp-type courses...
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