In Ruby, the meaning of protected and private is different from other languages like Java. (They don't hide methods...
Access the Method object Dead simple: Get the method object and ask for its owner: "foo".method(:upcase) # => #
Establishing a TCP connection to a SSL secured remote service is not possible using telnet or nc. Though, you can...
Chart.js seems to be a good alternative to Google's Chart API and other commercial chart drawing libraries.
Rails flashes (FlashHash) track a list of used keys, which is not respected when comparing flash hashes.
For example if you use rvm and get this message: ERROR: Loading command: install (LoadError) no such file to load...
CSSmatic lets you play around with four rather complex CSS stylings and gives you CSS or SASS code to use...
The linked site lists a wealth of CSS hacks that let you apply styles to just that one browser. You...
Since there are more and more touch-capable devices out there, as a web-developer it becomes more and more...
Consider this class: class Foo private def test puts "Hello" end end While you can say create a block to...
Do not pass times to date attributes. Always convert times to dates when your application uses time zones. Background
Rails understands a :limit options when you create columns in a migration. Its meaning depends on the column type, and...
Guide how to make fixes in other people's GitHub repositories. It's basically "Open Source Development 101".
Google Chrome saves your profile data in ~/.config/google-chrome. To transfer the profile to for example a system you have setup...
When you use heredoc, string interpolation is enabled by default: x = "Universe" <<-MESSAGE Hello #{x} MESSAGE # => "Hello Universe"
Sometimes it seems a favicon does not work because your browser displays an old version or (in case of local...
TL;DR: You should generally use #size to count associated records. size Counts already loaded elements If the association is...
Here is a hacky way to load dumps directly from the source server, without fully copying them over and extracting...
When MySQL refuses to use your index, there's a number of things that you may be doing wrong. One...
Given you use Capistrano together with bundler to automatically install your gems when deploying. I recently had the problem that...
Good collection of crash-course articles about founding a start up, getting funded, validating ideas, etc.
tl;dr: Do not use merge! for session hashes. Use update instead. Outline Let's assume you're modifying the...
Safari & Chrome Use $x() in your console: $x('//span') # selects all span elements Firefox There's an add-on.