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

... You can allow this by plugging in your own UserValidator on the UserManager, or just by turning it off on the default implementation: UserManager.UserValidator = new UserValidator<TUser>(UserManager) { AllowOnlyAlphanumericUserNames = fa...
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Python Pandas merge only certain columns

...xternal_Users'], *other_arguments). ...Most probably you already solved it by now, just leaving this for newbies around, like me – SOf_PUAR Jul 3 at 7:11 add a comment ...
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How do I analyze a .hprof file?

...round, look at the Memory Analyzer project at Eclipse, contributed to them by SAP. Some of what you can do is mind-blowingly good for finding memory leaks etc -- including running a form of limited SQL (OQL) against the in-memory objects, i.e. SELECT toString(firstName) FROM com.yourcompany.som...
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Properly removing an Integer from a List

... By using casting, you ensure the compiler sees the type you expect. In the first case '(int) n' can only be of type int in the second case '(Integer) n' can only be of type Integer. 'n' will be converted/boxed/unboxed as req...
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Why is __init__() always called after __new__()?

...nitialise the instance's attributes" part can be customised for each class by defining a constructor, which is basically just a block of code that operates on the new instance (using the arguments provided to the constructor expression) to set up whatever initial conditions are desired. In Python, t...
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What's the difference between and

...t;? extends Object>; for more info read Java generics and collections by Maurice Naftalin share | improve this answer | follow | ...
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How to find corresponding log files folder for a web site?

...ub\logs\LogFiles (W3SVC1, W3SVC2, etc). How can I find what folder is used by a given web site? 5 Answers ...
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How do I Moq a method that has an optional argument in its signature without explicitly specifying i

.... If you really want to, you can overcome Moq's apparent short-coming here by duplicating Foo's parameters into this initialisation function: public void InitFooFuncOnFooMock(Mock<IFoo> fooMock, string a, bool b = false) { if(!b) { fooMock.Setup(mock => mock.Foo(a, b)).Retu...
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How to change an application icon programmatically in Android?

...works! Main idea is, that I update the icon of my app's shortcut, created by the launcher on my home screen. When I want to change something on the shortcut-icon, I remove it first and recreate it with a new bitmap. Here is the code. It has a button increment. When pressed, the shortcut is replace...
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How do I remove a single file from the staging area (undo git add)?

... commited from the stage use the command git rm --cached FILE as suggested by another answer. – chmike Jan 17 '16 at 15:42  |  show 5 more com...