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How to get current user, and how to use User class in MVC5?

...serId(); In the default template of MVC 5, user ID is a GUID stored as a string. No best practice yet, but found some valuable info on extending the user profile: Overview of Identity: https://devblogs.microsoft.com/aspnet/introducing-asp-net-identity-a-membership-system-for-asp-net-application...
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What optimizations can GHC be expected to perform reliably?

...would be dangerous because the one (syntactic) use would translate into 99 extra evaluations of rhs. However, in this case, you would be very unlikely to want to inline it manually either. So essentially you can use the rule: If you'd consider inlining a name that only appears once, the compiler wi...
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How can I perform a str_replace in JavaScript, replacing text in JavaScript?

... Using regex for string replacement is significantly slower than using a string replace. As demonstrated on JSPerf, you can have different levels of efficiency for creating a regex, but all of them are significantly slower than a simple strin...
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How can I add an item to a IEnumerable collection?

...ot necessarily represent a collection at all! For example: IEnumerable<string> ReadLines() { string s; do { s = Console.ReadLine(); yield return s; } while (!string.IsNullOrEmpty(s)); } IEnumerable<string> lines = ReadLines(); lines.Add("foo") //...
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PHP, get file name without file extension

...was this downvoted? The answer is absolutely correct. pathinfo operates on strings, so it doesn't matter if the file is actually on the server or not. – Gordon Feb 2 '10 at 11:22 1...
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MySQL Fire Trigger for both Insert and Update

... @luismartingil there is probably some extra overhead of calling a procedure vs. inlining it. But in exchange you get easier maintenance and a guarantee that the two triggers' code won't accidentally diverge. – derobert Oct 9...
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iPhone App Minus App Store?

... version="1.0"> <dict> <key>appleId</key> <string></string> <key>artistId</key> <integer>0</integer> <key>artistName</key> <string>MYCOMPANY</string> <key>buy-only</key> <t...
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Immutable vs Unmodifiable collection

...ects themselves may still be mutable - creating an immutable collection of StringBuilder doesn't somehow "freeze" those objects. Basically, the difference is about whether other code may be able to change the collection behind your back. ...
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Delete rows from a pandas DataFrame based on a conditional expression involving len(string) giving K

...pandas DataFrame and I want to delete rows from it where the length of the string in a particular column is greater than 2. ...
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Proper indentation for Python multiline strings

What is the proper indentation for Python multiline strings within a function? 14 Answers ...