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Group query results by month and year in postgresql
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@BurakArslan Did the results look like what the OP specifically asked for?
– bma
Nov 24 '14 at 20:41
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How to get root view controller?
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if you are trying to access the rootViewController you set in your appDelegate. try this:
Objective-C
YourViewController *rootController = (YourViewController*)[[(YourAppDelegate*)
[[UIApp...
Jump to function definition in vim
...p is C-like enough that "Exuberant ctags" should work with it. Don't know if it has a python mode.
– Paul Tomblin
Mar 11 '09 at 18:38
5
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Convert .pfx to .cer
...onvert a .pfx (Personal Information Exchange) file to a .cer (Security Certificate) file? Unless I'm mistaken, isn't a .cer somehow embedded inside a .pfx? I'd like some way to extract it, if possible.
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How to use git merge --squash?
...ngle commit from the merged changes.
Omitting the -m parameter lets you modify a draft commit message containing every message from your squashed commits before finalizing your commit.
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impro...
Design Patterns: Abstract Factory vs Factory Method
...ct Factory
Produces a Family of Types that are related. It is noticeably different than a Factory Method as it has more than one method of types it produces. (This is complicated refer to next diagram for better real-life example).
Example From The .NET Framework
DbFactoriesProvider is a Simple...
How can I generate UUID in C#
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@Uma Shankar Subramani: GUID = Globally Unique Identifier, UUID = Universally Unique Identifier. Different words for the same concept.
– Tudor
Dec 12 '11 at 17:58
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Direct vs. Delegated - jQuery .on()
I am trying to understand this particular difference between the direct and delegated event handlers using the jQuery .on() method . Specifically, the last sentence in this paragraph:
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How can I clear or empty a StringBuilder? [duplicate]
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You can leave a little comment if you're afraid future developers won't understand
– krtek
Mar 4 '11 at 10:36
308
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Matching a space in regex
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If you're looking for a space, that would be " " (one space).
If you're looking for one or more, it's " *" (that's two spaces and an asterisk) or " +" (one space and a plus).
If you're looking for common spacing, use "[ X]...