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How to get active user's UserDetails

...ion (like the login or id) stored in the principal or want to learn how a HandlerMethodArgumentResolver or WebArgumentResolver can solve this in an elegant way, or just want to an learn the background behind @AuthenticationPrincipal and AuthenticationPrincipalArgumentResolver (because it is based on...
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PDO mysql: How to know if insert was successful

I'm using PDO to insert a record (mysql and php) 7 Answers 7 ...
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Difference between web reference and service reference?

What is the difference between web reference and service reference in WCF? Which is preferable in WCF? 5 Answers ...
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How do I remove files saying “old mode 100755 new mode 100644” from unstaged changes in Git?

...tant, you can set core.filemode to false, commit your actual code changes, and then set core.filemode to true and git will preserve the file changes. – Michael T. Smith Sep 26 '09 at 18:48 ...
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How to store custom objects in NSUserDefaults

Alright, so I've been doing some poking around, and I realize my problem, but I don't know how to fix it. I have made a custom class to hold some data. I make objects for this class, and I need to them to last between sessions. Before I was putting all my information in NSUserDefaults , but this...
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Why is “if not someobj:” better than “if someobj == None:” in Python?

... the object has a __nonzero__ special method (as do numeric built-ins, int and float), it calls this method. It must either return a bool value which is then directly used, or an int value that is considered False if equal to zero. Otherwise, if the object has a __len__ special method (as do contain...
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How to check for Is not Null And Is not Empty string in SQL server?

...we check in a SQL Server WHERE condition whether the column is not null and not the empty string ( '' )? 7 Answers ...
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ASP.Net error: “The type 'foo' exists in both ”temp1.dll“ and ”temp2.dll"

When running a web application project, at seemingly random times a page may fail with a CS0433 error: type exists in multiple DLL's. The DLL's are all generated DLL's residing in the "Temporary ASP.NET Files" directory. ...
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Joins are for lazy people?

...t he added that using joins is less efficient than making several requests and link tables in the code (C# or Java). 21 An...
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What is the alternative for ~ (user's home directory) on Windows command prompt?

I'm trying to use the command prompt to move some files, I am used to the linux terminal where I use ~ to specify the my home directory I've looked everywhere but I couldn't seem to find it for windows command prompt ( Documents and Settings\[user] ) ...