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Is there a REAL performance difference between INT and VARCHAR primary keys?
...te key. Only you can assess if the benefit of this is significant in your application.
That is, you can measure the queries in your application that are the most important to be speedy, because they work with large volumes of data or they are executed very frequently. If these queries benefit f...
Compiling/Executing a C# Source File in Command Prompt
...indows\Microsoft.NET\Framework\v3.5\bin\csc.exe
/t:exe /out:MyApplication.exe MyApplication.cs ...
(all on one line)
If you have more than one source module to be compiled, you can put it on that same command line. If you have other assemblies to reference, use /r:AssemblyName.dll...
How to get a Fragment to remove itself, i.e. its equivalent of finish()?
I'm converting an app to use fragments using the compatibility library.
Now currently I have a number of activities (A B C D) which chain onto one another, D has a button 'OK' which when pressed calls finish which then bubbles up through onActivityResult() to additionally destroy C and B.
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What is a Maven artifact?
...
My book says "the core artifact of this online application will be a Java class named User, which will"... Is this the same as the artifact you mentioned ?
– david blaine
Apr 17 '13 at 0:57
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How to configure Mac OS X term so that git has color? [closed]
...ing
$ git config --global color.diff true
to set your $HOME/.gitconfig appropriately.
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How do I find out which DOM element has the focus?
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Any access to document.activeElement should be wrapped in a try catch as under some circumstances it can throw an exception (not just IE9 AFAIK). See bugs.jquery.com/ticket/13393 and bugs.jqueryui.com/ticket/8443
– robocat
Jul 2 '13 at...
How to convert / cast long to String?
I just created sample BB app, which can allow to choose the date.
8 Answers
8
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How to start a Process as administrator mode in C# [duplicate]
I have a Visual Studio Windows app project. I've added code to download an installer update file. The installer after it has finished downloading would need administrator privileges to run. I have added a manifest file.
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Removing duplicates from a list of lists
...omment, normal optimization efforts are focused on large inputs (the big-O approach) because it's so much easier that it offers good returns on efforts. But sometimes (essentially for "tragically crucial bottlenecks" in deep inner loops of code that's pushing the boundaries of performance limits) on...
Save An Image To Application Documents Folder From UIView On IOS
...:0]; //Get the docs directory
NSString *filePath = [documentsPath stringByAppendingPathComponent:@"image.png"]; //Add the file name
[pngData writeToFile:filePath atomically:YES]; //Write the file
Reading it later works the same way. Build the path like we just did above, then:
NSData *pngData = ...