Debugging image color profiles is hard. You can't trust your eyes in this matter, as the image rendering depends...

makandra dev

SimpleScreenRecorder I recommend simplescreenrecorder, it produces an adequate output with only a few clicks. The audio recording contained some...

Browsers come with a set of built-in elements like or . When we need a new component not covered by...

If you want to make your Rails application be capable of sending SMTP emails, check out the action mailer configuration...

pganalyze.com

It's every developer's nightmare: SQL queries that get large and unwieldy. This can happen fairly quickly with the...

Im using the terminator terminal with the keyboard shortcut Control+Shift+E for splitting the terminal. I got used to...

Install the latest bundler version: gem install bundler Fetching bundler-2.3.5.gem Successfully installed bundler-2.3.5 1 gem installed Update the bundler...

For newer Ubuntu versions we currently need to install the patch level version 1.8.7-p375, otherwise the dev dependencies from...

When tests might not run with skipping RSpec in the RSpec.describe failing with the error undefined method 'describe' for main...

makandra dev

A primer on vector graphics For rastered image formats like JPG or PNG, each pixel is basically drawn on a...

So I had the issue that User input (coming from many different sources and users) often contains the...

You can use the Youtube API to get data from youtube. Here are some resources and some things that are...

matthewphillips.info

A while ago I tweeted a thread about how a small JavaScript snippet, one that can fit in a single...

There is a kind of features in web applications that hinder automated integration tests. Examples include cookie consent banners or...

caniemail.com

The french Tilt Studio built a caniuse clone for email clients. Note that while checking styling support helps using (or...

Rubygems supports a 2FA for your account. Once enabled you need to provide your personal OTP code for every release...

api.rubyonrails.org

ActiveSupport (since 4.1) includes test helpers to manipulate time, just like the Timecop gem: To freeze the current time, use...

This is a bookmarklet you can add to Chrome or Firefox which will allow you to create a story in...

When text renders differently in Firefox and Chrome, it may be caused by a font alias that both browsers handle...

jQuery is still a useful and pragmatic library, but chances are increasingly that you’re not dependent on using it...

The Ruby standard lib ships with a YAML Parser called Psych. But serializing and deserializing data seems not as obvious...

Capybara provides execute_script and evaluate_script to execute JavaScript code in a Selenium-controlled browser. This however is not...

makandra dev

There is a practical short list for valid/invalid example email addresses - Thanks to Florian L.! The definition for valid emails...

Rails uses a CSRF token in forms and AJAX requests to verify a user request. Internally it compares the injected...