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@ variables in Ruby on Rails
...cope (current block)
@title is an instance variable - and is available to all methods within the class.
You can read more here:
http://strugglingwithruby.blogspot.dk/2010/03/variables.html
In Ruby on Rails - declaring your variables in your controller as instance variables (@title) makes them ava...
Control cannot fall through from one case label
...is present. I have the following code. But I am getting a "Control cannot fall through from one case label" error.
8 Answer...
How to create a private class method?
... answered Feb 10 '11 at 3:26
tjwallacetjwallace
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How do I hide a menu item in the actionbar?
...
Get a MenuItem pointing to such item, call setVisible on it to adjust its visibility and then call invalidateOptionsMenu() on your activity so the ActionBar menu is adjusted accordingly.
Update: A MenuItem is not a regular view that's part of your layout. Its som...
What are the differences between delegates and events?
... the delegate from resetting the delegate and its invocation list and only allows adding or removing targets from the invocation list.
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How do I read configuration settings from Symfony2 config.yml?
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parameters:
contact_email: somebody@gmail.com
You should find the call you are making within your controller now works.
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Installing libv8 gem on OS X 10.9+
...se the --with-system-v8 option.
Using RubyGems:
gem install libv8 [-v YOUR_VERSION] -- --with-system-v8
Using Bundler (in your Gemfile):
bundle config build.libv8 --with-system-v8
Please note that if you intend to run your own V8, you must install both V8 and its headers (found in libv8-dev for ...
What underlies this JavaScript idiom: var self = this?
...s article on alistapart.com. (Ed: The article has been updated since originally linked)
self is being used to maintain a reference to the original this even as the context is changing. It's a technique often used in event handlers (especially in closures).
Edit: Note that using self is now discour...
Good ways to sort a queryset? - Django
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Ulysses Simpson (474)
Harry Truman (471)
And now the combined order_by call:
>>> myauths = Author.objects.order_by('-score', 'last_name')[:5]
>>> for x in myauths: print x
...
James Monroe (487)
Ulysses Simpson (474)
Harry Truman (471)
Benjamin Harrison (467)
Gerald Rudolph (4...
Why do people put code like “throw 1; ” and “for(;;);” in front of json responses? [du
...ruct, they'll be the attacker's own versions of those objects, with potentially-unexpected behaviour.
For example, you can hack a setter-property into Object, that would betray the values written in object literals:
Object.prototype.__defineSetter__('x', function(x) {
alert('Ha! I steal '+x);
...