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What's a “static method” in C#?

... 1; } public static int StaticMethod() { return 42; } } In order to call InstanceMethod, you need an instance of the class: SomeClass instance = new SomeClass(); instance.InstanceMethod(); //Fine instance.StaticMethod(); //Won't compile SomeClass.InstanceMethod(); //Won't compile Some...
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Print number of keys in Redis

... key. Also Redis may actively evict some expired keys, but not necessarily all of them. – seppo0010 Aug 24 '15 at 22:23 add a comment  |  ...
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String concatenation: concat() vs “+” operator

...then throwing it away when you create the final String. In practice memory allocation is surprisingly fast. Update: As Pawel Adamski notes, performance has changed in more recent HotSpot. javac still produces exactly the same code, but the bytecode compiler cheats. Simple testing entirely fails bec...
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Push Notifications in Android Platform

... You can generally get activated very quickly, and it is being used for things like GMail so is know to work in production. Unfortunately their sample code for communicating with the server side aspect of C2DM is lacking. I've written up a...
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What do the crossed style properties in Google Chrome devtools mean?

... a style exists in an matching rule but is commented out, or if you've manually disabled it by unchecking it within the Chrome developer tools. It will also show as crossed out, but with an error icon, if the style has a syntax error.) For example, if a background color was applied to all divs, but...
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Is It Possible to NSLog C Structs (Like CGRect or CGPoint)?

... With AppKit on OS X you would need to convert to an NSPoint and then call NSStringFromPoint. For example: NSStringFromPoint(NSPointFromCGPoint(point)) – Alex Aug 22 '12 at 17:56 ...
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How to remove constraints from my MySQL table?

... Postgres, MSSQL, and Oracle all have alter table .. drop constraint. MySQL is the odd one out, it seems. – Jared Beck Mar 23 '15 at 23:48 ...
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How to check version of a CocoaPods framework

... The Podfile.lock keeps track of the resolved versions of each Pod installed. If you want to double check that FlurrySDK is using 4.2.3, check that file. Note: You should not edit this file. It is auto-generated when you run pod install or pod update ...
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How can I trim beginning and ending double quotes from a string?

... You can use String#replaceAll() with a pattern of ^\"|\"$ for this. E.g. string = string.replaceAll("^\"|\"$", ""); To learn more about regular expressions, have al ook at http://regular-expression.info. That said, this smells a bit like that you...
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How can I set up an editor to work with Git on Windows?

...a script) was to realize that: what you refer to in the config file is actually a shell (/bin/sh) script, not a DOS script. So what does work is: C:\prog\git>git config --global core.editor C:/prog/git/npp.bat with C:/prog/git/npp.bat: #!/bin/sh "c:/Program Files/Notepad++/notepad++.exe" -mu...