Knowledge base for teams
Style PDFs using metric units in CSS with wicked pdfPublic
Configure wicked_pdf with: ```ruby disable_smart_shrinking: true ``` Then you can accurately use `mm` and `cm` as units in your CSS
@musHow to inspect an element that disappears on click (in chrome)Public
In chrome developer tools go to "Sources" find "Event Listener Breakpoints" and select "Mouse -> mousedown". Now each time the event is triggered, chrome wil...
How to submit iOS application to the App Store ConnectPublic
The tutorial that is short, well performed and works!
Compiling ES6 syntax with Uglifier onPublic
When you try to compile ES6 syntax with Uglifier gem initialized you get this error: ``` Uglifier::Error: (...) To use ES6 syntax, harmony mode must be e...
Example tmux script for RailsPublic
Shell script that will start a tmux session with Rails console and server in side panes
How to generate Excel column symbols in Ruby - Cool one-liner #1Public
How to generate Excel column symbols in Ruby ``` ('A'..'Z').to_a.unshift(nil).product(('A'..'Z').to_a).map { |arr| arr.compact.join } ``` If you woul...
Strange behaviour of roo gem when working with sheets (tabs)Public
Recently I realised a strange behaviour of roo gem when working with sheets (tabs). Here's what works non-intuitively in my opinion.
libpng12 in Ubuntu 18.04 LTSPublic
Some programs require libpng12 to work - but this library is no longer present in up-to-date Ubuntu versions. Here you'll find out how to install it.
Postgres - View all connections detailsPublic
Postgres server with limited connection pool can experience issues when all connections are occupied by some process. Here you'll learn how to get more details about them to mitigate this issue.
PURGECSS: Jak usunąć zbędny CSSPublic
Poznaj Purgecss, czyli narzędzie pozwalające na zmniejszenie rozmiaru plików CSS i sprawdź, jak z niego korzystać. Ile CSS importowanego z bibliotek zewnę...
Unlock devise user using command line?Public
If you are using the Devise lockable module and locked user access (usually during the development) use this method to unlock it.
