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What is a C++ delegate?

...lt;int(double)> f = [can be set to about anything in this answer] // Usually more useful as a parameter to another functions Option 6: binding (using std::bind) Allows setting some parameters in advance, convenient to call a member function for instance. struct MyClass { int DoStuff(dou...
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How to handle anchor hash linking in AngularJS

...croll(). Here's the (crappy) documentation. And here's the source. Basically you just inject it and call it in your controller, and it will scroll you to any element with the id found in $location.hash() app.controller('TestCtrl', function($scope, $location, $anchorScroll) { $scope.scrollTo =...
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MongoDB and “joins” [duplicate]

I'm sure MongoDB doesn't officially support "joins". What does this mean? 11 Answers 1...
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What is the reason for having '//' in Python? [duplicate]

... I actually like this style better... I can remember in atleast one language I've used (VB?) the differentiating factor was / vs \ ... but I could never remember which was which! – Matthew Scharley ...
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How to pass arguments to a Button command in Tkinter?

... I personally prefer to use lambdas in such a scenario, because imo it's clearer and simpler and also doesn't force you to write lots of wrapper methods if you don't have control over the called method, but that's certainly a matter o...
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What is the difference between HTTP_HOST and SERVER_NAME in PHP?

...T is obtained from the HTTP request header and this is what the client actually used as "target host" of the request. The SERVER_NAME is defined in server config. Which one to use depends on what you need it for. You should now however realize that the one is a client-controlled value which may thus...
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Add native files from NuGet package to project output directory

...ch simpler targets file though, using a None element, as MSBuild will copy all None files to referencing projects. <Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> <ItemGroup> <NativeLibs Include="$(MSBuildThisFileDirectory)**\*.dll" /> <None Incl...
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Batch file to delete files older than N days

I am looking for a way to delete all files older than 7 days in a batch file. I've searched around the web, and found some examples with hundreds of lines of code, and others that required installing extra command line utilities to accomplish the task. ...
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Do sealed classes really offer performance Benefits?

... The JITter will sometimes use non-virtual calls to methods in sealed classes since there is no way they can be extended further. There are complex rules regarding calling type, virtual/nonvirtual, and I don't know them all so I can't really outline them for you, but ...
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iOS 7 - Status bar overlaps the view

... Xcode 5 has iOS 6/7 Deltas which is specifically made to resolve this issue. In the storyboard, I moved my views 20 pixels down to look right on iOS 7 and in order to make it iOS 6 compatible, I changed Delta y to -20. Since my storyboard is not using auto-layout,...