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Rails :dependent => :destroy VS :dependent => :delete_all
In rails guides it's described like this:
4 Answers
4
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Defining a function with multiple implicit arguments in Scala
...on are able to produce the basic implicit (String,Int) Tuples
implicit def idis(implicit is: String, ii: Int): (String,Int)= (is,ii)
implicit def idi(s: String)(implicit ii: Int): (String,Int)= (s,ii)
// The basic implicit values for both underlying parameters
implicit val iString = " world! "
impl...
VIM + JSLint?
...ow the intructions from JSLint web-service + VIM integration or do what I did:
Download http://jslint.webvm.net/mylintrun.js and http://www.jslint.com/fulljslint.js
and put them in a directory of your choice.
Then add the following line to the beginning of mylintrun.js:
var filename= arguments[0...
Is this the right way to clean-up Fragment back stack when leaving a deeply nested stack?
I'm using the Android Compatibility library to implement fragments and have extended the layout sample so that a fragment contains a button which fires off another fragment.
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Specify width in *characters*
When using a fixed width font , I'd like to specify the width of an HTML element in characters .
2 Answers
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Best way to add comments in erb
...my team (we were both using linux, but different distros), regardless I avoid it since..
– vise
May 5 '10 at 21:57
4
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Multiple ModelAdmins/views for same model in Django admin
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Its also a good idea to change the default manager instead of the ModelAdmin queryset. So behaviour of the proxy model is consistent even outside the admin.
– bjunix
Mar 22 '10 at 11:08
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Linux/Unix command to determine if process is running?
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While pidof and pgrep are great tools for determining what's running, they are both, unfortunately, unavailable on some operating systems. A definite fail safe would be to use the following: ps cax | grep command
The output on Gent...
How to detect when facebook's FB.init is complete
...n some script when FB is initialized you can put some callback function inside fbAsyncInit:
window.fbAsyncInit = function() {
FB.init({
appId : '<?php echo $conf['fb']['appid']; ?>',
status : true, // check login status
cookie : true, // enable cookies to allow the se...
Delete commits from a branch in Git
...before head.
Or, you could look at the output of git log, find the commit id of the commit you want to back up to, and then do this:
git reset --hard <sha1-commit-id>
If you already pushed it, you will need to do a force push to get rid of it...
git push origin HEAD --force
However, i...