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Why doesn't Java allow generic subclasses of Throwable?

... They could just disallow using two catch blocks with the same type together. So that using SomeExc<Integer> alone would be legal, only using SomeExc<Integer> and SomeExc<String> together would be illegal. That would make no pr...
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How to check what user php is running as?

... If available you can probe the current user account with posix_geteuid and then get the user name with posix_getpwuid. $username = posix_getpwuid(posix_geteuid())['name']; If you are running in safe mode however (which is often the case when exec is disabled), then it's unlikely tha...
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Update all objects in a collection using LINQ

...pose; rather, it's used to iterate over the elements of the collection and allow access to a property so that it can be updated. The only question in my mind would be whether or not the foreach loop could benefit from parallelism using Parallel.ForEach, but that's a different question. ...
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Reading and writing binary file

... std::ifstream input( "C:\\Final.gif", std::ios::binary ); // copies all data into buffer std::vector<unsigned char> buffer(std::istreambuf_iterator<char>(input), {}); } share | ...
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Directive isolate scope with ng-repeat scope in AngularJS

...ed into ngRepeat for use on your directive's attributes do use a prototypically-inherited scope the reason your directive doesn't work has nothing to do with the isolate scope Here's an example of the same code but with the directive removed: <li ng-repeat="name in names" ng-class="{ activ...
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std::string to char*

... It won't automatically convert (thank god). You'll have to use the method c_str() to get the C string version. std::string str = "string"; const char *cstr = str.c_str(); Note that it returns a const char *; you aren't allowed to change the...
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What does “1 line adds whitespace errors” mean when applying a patch?

...tches from one branch to another. However, every time I make any change at all, I get the following message during git apply : ...
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Why is there a difference in checking null against a value in VB.NET and C#?

...I don't know yet". Then the comparison of 5 to "I don't know yet". is naturally "I don't know yet"; ie NULL. This has the additional advantage of mirroring the behaviour of NULL in (most if not all) SQL databases. This is also a more standard (than C#'s) interpretation of three-valued logic, as expl...
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Windows batch files: .bat vs .cmd?

...g that my code will never need to run on anything older than NT, does it really matter which way I name my batch files, or is there some gotcha awaiting me by using the wrong suffix? ...
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How to remove “Server name” items from history of SQL Server Management Studio

When trying to connect to a server in Management Studio (specifically 2008), there is a field where you enter the Server name. That field also has a drop-down list where it shows a history of servers that you have attempted to connect to. ...