An easy demonstration of what Twitter Bootstrap does
Holly Schinsky from Adobe shows some of Bootstrap's capabilities. The combination of explanation, screenshots and source code makes it easy to understand
Related cards:
Heads up: expect(object).to receive(:method_name) does not execute the original implementation of the method
Let's assume that we have a model Movie that registers a callback function when a new instance of Movie is created (Note: For the purpose of this card it is not important what that callback does or which type of callback it is).
This is how...
What does 100% mean in CSS?
The attached article examines what the percent unit (%) is relative to in CSS
The article does a great job of visualizing the dependencies. The TLDR is:
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Using before(:context) / before(:all) in RSpec will cause you lots of trouble unless you know what you are doing
TL;DR Avoid before(:context) (formerly before(:all)), use before(:example) (formerly before(:each)) instead.
If you do use before(:context), you need to know what you are doing and take care of any cleanup yourself.
Why?
...
What Ruby’s ||= (Double Pipe / Or Equals) Really Does
It is a common misunderstanding that all [op]=-operators work the same way, but actually they don't.
||= and &&=
Those are special cases, because the assignment will only happen if the first variable passes the check (false or `ni...
Git: What to do when "git log" does not show commits that touch a file
Let's say you have commits that change a file (and looking at the commit details show you the changes, etc). Now, when you do a git log you see them, but when you say git log that.file these commits don't show up? This is for you.
The reason ...
Twitter Bootstrap: Base CSS
Explanation of the "bootstrap 2" base CSS.
Contains information about:
- Typography
- Code
- Tables
- Forms
- Buttons
- Icons
Ruby: A small summary of what return, break and next means for blocks
Summary
- Use
returnto return from a method.returnaccepts a value that will be the return value of the method call. - Use
breakto quit from a block and from the method that yielded to the block.breakaccepts a value that suppl...
When does support end for a version of Internet Explorer?
The maximum version of Internet Explorer you can have depends on your version of Windows. E.g. Windows 7 users can use Internet Explorer up to version 11, but they cannot upgrade to Edge.
Since early 2016, Microsoft [only supports the latest vers...
What to do when Google only syncs some of your contacts
When some of your Google contacts are no longer synchronized with your e-mail client or mobile phone, those contacts are not in a group "My Contacts". Google only syncs contacts in that group.
In order to fix this:
- Open [Google Contacts](http:...
What `var` actually does in Javascript
TL;DR: Variables not declared using var are stored outside the current scope, most likely in the global scope (which is window in web-browsers).
Declaring a variable in Javascript is done like var x = 5. This creates a new variable...