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Configure Microsoft.AspNet.Identity to allow email address as username

... The C# version of this (in App_Code\IdentityModels.cs) is public UserManager() : base(new UserStore<ApplicationUser>(new ApplicationDbContext())) { UserValidator = new UserValidator<ApplicationUser>(this) { AllowOnlyAlphan...
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Is there a way to change the environment variables of another process in Unix?

...t one process can change another's environment variables (assuming they're all being run by the same user)? A general solution would be best, but if not, what about the specific case where one is a child of the other? ...
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“Conversion to Dalvik format failed with error 1” on external JAR

... Go to Project » Properties » Java Build Path » Libraries and remove all except the "Android X.Y" (in my case Android 1.5). click OK. Go to Project » Clean » Clean projects selected below » select your project and click OK. That should work. It is also possible that you have a JAR file loc...
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Detect permission of camera in iOS

...se if(authStatus == AVAuthorizationStatusRestricted){ // restricted, normally won't happen } else if(authStatus == AVAuthorizationStatusNotDetermined){ // not determined?! [AVCaptureDevice requestAccessForMediaType:mediaType completionHandler:^(BOOL granted) { if(granted){ NSLog(@"Gr...
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What is CDATA in HTML? [duplicate]

... All text in an XML document will be parsed by the parser. But text inside a CDATA section will be ignored by the parser. CDATA - (Unparsed) Character Data The term CDATA is used about text data that should not be parsed by t...
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Rails DB Migration - How To Drop a Table?

...tp://api.rubyonrails.org/classes/ActiveRecord/Migration.html More specifically, you can see how to drop a table using the following approach: drop_table :table_name share | improve this answer ...
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Why is “copy and paste” of code dangerous? [closed]

...you will need to fix it every place you did and hope you can remember them all (this also holds for changed requirements). If you keep logic in one place, it is easier to change when needed (so if you decide that the application needs updating, you only do it in one place). Have your boss read abo...
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How to check size of a file using Bash?

... be an easier way to check for file sizes instead. I.e. file.txt is normally 100k; how to make a script check if it is less than 90k (including 0), and make it do wget a new copy because the file is corrupt in this case. ...
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In Java, is there a way to write a string literal without having to escape quotes?

...ing literal with a lot of quotation marks inside it. You could escape them all, but it's a pain, and difficult to read. 8 A...
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Setting UIButton image results in blue button in iOS 7

... In iOS7 there is new button type called UIButtonTypeSystem NS_ENUM_AVAILABLE_IOS(7_0), // standard system button Check your .xib file and change button type to Custom To do this programmatically, add this line to the viewDidLoad: [UIButton buttonWithType...