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how to provide a swap function for my class?

... | edited Aug 22 at 8:06 Jan Schultke 4,50011 gold badge1616 silver badges4444 bronze badges answere...
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How do I remove a project configuration in Visual Studio 2008?

I have a Visual Studio 2008 solution into which I have imported a number of pre-existing projects. The projects are mixed-language sample code (C#, VB, C++/CLI). They currently have multiple configurations, but I want each project only to have only a single "Debug" configuration. ...
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Can I set the height of a div based on a percentage-based width? [duplicate]

Let's say I've got a div that has a width of 50% of the body. How do I make its height equal to that value? So that when the browser window is 1000px wide, the div's height and width are both 500px. ...
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round() doesn't seem to be rounding properly

... 102 I can't help the way it's stored, but at least formatting works correctly: '%.1f' % round(n, ...
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What is a proper naming convention for MySQL FKs?

... Example: CREATE TABLE users( user_id int, name varchar(100) ); CREATE TABLE messages( message_id int, user_id int ); ALTER TABLE messages ADD CONSTRAINT fk_messages_users_user_id FOREIGN KEY (user_id) REFERENCES users(user_id); I try to stick with the same fiel...
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How to take a screenshot programmatically on iOS

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Why do I have to access template base class members through the this pointer?

...if static const int x = 2; template <typename T> void foo() { A *x = 0; } if A is a type, that declares a pointer (with no effect other than to shadow the global x). If A is an object, that's multiplication (and barring some operator overloading it's illegal, assigning to an rvalue). If it i...
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What is the difference between NaN and None?

... 109 NaN is used as a placeholder for missing data consistently in pandas, consistency is good. I us...
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Is there a way to quickly capitalize the variable name in Eclipse

...l Studio ! – Someone Somewhere Sep 30 '11 at 22:06 5 It only works on the selection (and it's cmd...
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What is VanillaJS?

... This is VanillaJS (unmodified): // VanillaJS v1.0 // Released into the Public Domain // Your code goes here: As you can see, it's not really a framework or a library. It's just a running gag for framework-loving bosses or people who think you NEED to use a JS framework. ...