Related cards:
Comparing Rails' flash hashes will not respect their internal lists of used entries
Rails flashes (FlashHash) track a list of used keys, which is not respected when comparing flash hashes.
This does not concern you under most circumstances.
Basics
When ActionController picks up a flash object, it will call the #sweep m...
scribd's flash_heed at master - GitHub
Fixes all Flash elements on a page so that they heed DOM stacking order
has_many :bugs, :through => :rails: Make your shoulda tests faster with fast_context
decided to go fixtureless with Shoulda + Factory Girl. All good, except one problem. Slow as fuck tests. So here’s fast_context as a solution for it. fast_context compiles all the ‘should’s within a context into a single test.
Reprocess only missing images with Paperclip
When a paperclip attachment gains a new style and you have many attachments, reprocessing can take ages. This is because all styles are being recomputed.
To create only missing images, patch Paperclip like this in your script that does the reproc...
flixel
flixel is a completely free collection of Actionscript 3 files that helps organize, automate, and optimize Flash games; an object-oriented framework that lets anyone create original and complex games with thousands of objects on screen in just a f...
Keeping web applications fast
Our applications not only need to be functional, they need to be fast.
But, to quote Donald Knuth,
premature optimization is the root of all evil (or at least most of it) in programming
The reasoning is that you should not waste your time op...
Running the Awesome window manager within Gnome
Note: Consider using MATE instead of Gnome 3 on newer system
Awesome is a very good tiling window manager that provides neat features like automatic layouting of windows, good multi-display s...
Running the Awesome window manager within MATE
Awesome is a very good tiling window manager that provides neat features like automatic layouting of windows, good multi-display support with per display workspaces and more. Since it is only a window manager, you w...
ActiveRecord: Creating many records works faster in a transaction
When you need to insert many records into the same table, performance may become an issue.
What you can do to save time is to open a transaction and save multiple records within that transaction:
transaction do
500.times { Model.create!...