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What is the _snowman param in Ruby on Rails 3 forms for?
...hat can be understood as both Latin-1 and Unicode (for instance, é or ç, common in names), Internet Explorer will encode them in Latin-1.
This means that if a user searches for "Ché Guevara", it will come through incorrectly on the server-side. In Ruby 1.9, this will result in an encoding error ...
Is a RelativeLayout more expensive than a LinearLayout?
...ligible as long as your view hierarchy is simple. But if your hierarchy is complex, doing an extra measure pass could potentially be fairly costly. Also if you nest RelativeLayouts, you get an exponential measurement algorithm.
https://www.youtube.com/watch?v=NYtB6mlu7vA&t=1m41s
https://www.yo...
What are the special dollar sign shell variables?
...ent shell (not subshell).
$_ most recent parameter (or the abs path of the command to start the current shell immediately after startup).
$IFS is the (input) field separator.
$? is the most recent foreground pipeline exit status.
$! is the PID of the most recent background command.
$0 is the name of...
Having a private branch of a public repo on GitHub?
...machine
Add a remote to your public repo (git remote add public git@github.com:...)
Push branches with commits intended for your public repo to that new public remote. (make sure you don't accidentally commit private-only code)
You can bring in changes to your public repo using 'git fetch public' an...
How to upgrade Eclipse for Java EE Developers?
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Git status - is there a way to show changes only in a specific directory?
I would like to see a list of files modified since the last commit, as git status shows, but I care only about files located in a single directory. Is there a way to do this? I tried git status <directory> , but it seems this does something completely different (lists all changed files, as ...
Binding arrow keys in JS/jQuery
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By far best answer. Uses e.which like jQuery recommends for cross-browser, uses e.preventDefault() instead of return false (return false on a jQuery event handler triggers both e.preventDefault() and e.stopPropagation(), the second of which is going to cause any later add...
Xcode - But… Where are our archives?
...ed three versions of my app onto the App Store using the Build and Archive commands. But... Where are those archives?
1 A...
How to get names of classes inside a jar file?
... A Spring solution working from executable jars: stackoverflow.com/a/21430849/4265610.
– Luke
Jan 23 '18 at 14:38
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