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Setting action for back button in navigation controller
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Can you actually prevent a view from exiting using this method? What would you make the popViewControllerAnimated method return if you wanted the view not to exit?
– JosephH
Aug 26 '10 at 17:30
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How to remove the lines which appear on file B from another file A?
...s that match the entire line
-v: print non-matching
-f file: take patterns from the given file
This method is slower on pre-sorted files than other methods, since it is more general. If speed matters as well, see: Fast way of finding lines in one file that are not in another?
Here's a quick bash ...
What is the difference between the bridge pattern and the strategy pattern?
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Semantics. From wikipedia:
The UML class diagram for the Strategy
pattern is the same as the diagram for
the Bridge pattern. However, these two
design patterns aren't the same in
their intent. While the Strategy
pattern is...
Swift native base class or NSObject
...n include or omit a superclass as needed.
Note that omitting a superclass from the class declaration, doesn't assign a implicit base superclass of any kind. It defines a base class, which will effectively become the root for an independent class hierarchy.
From the language reference:
Swift cl...
How to remove all .svn directories from my application directories
...n export tool I have in my application, is to clean all .svn directories from my application directory tree. I am looking for a recursive command in the Linux shell that will traverse the entire tree and delete the .svn files.
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How can I extract a predetermined range of lines from a text file on Unix?
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sed -n '16224,16482p;16483q' filename > newfile
From the sed manual:
p -
Print out the pattern space (to the standard output). This command is usually only used in conjunction with the -n command-line option.
n -
If auto-print is not disabled, print t...
How to join components of a path when you are constructing a URL in Python
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Since, from the comments the OP posted, it seems he doesn't want to preserve "absolute URLs" in the join (which is one of the key jobs of urlparse.urljoin;-), I'd recommend avoiding that. os.path.join would also be bad, for exactly...
How can I install MacVim on OS X?
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Step 1. Install homebrew from here: http://brew.sh
Step 1.1. Run export PATH=/usr/local/bin:$PATH
Step 2. Run brew update
Step 3. Run brew install vim && brew install macvim
Step 4. Run brew link macvim
You now have the latest versions of v...
Find region from within an EC2 instance
Is there a way to look up the region of an instance from within the instance?
28 Answers
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Event Signature in .NET — Using a Strong Typed 'Sender'? [closed]
... a poor idea for this reason alone. However, I would like to consider this from two possible perspectives:
11 Answers
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