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Difference between “git checkout ” and “git checkout -​- ”

...er what it looks like." This is not Git-specific, it's a general Unix command line convention. Normally you use it to clarify that an argument is a file name rather than an option, e.g. rm -f # does nothing rm -- -f # deletes a file named "-f" git checkout1 also takes -- to mean that sub...
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Difference between toFixed() and toPrecision()?

I'm new to JavaScript and just discovered toFixed() and toPrecision() to round numbers. However, I can't figure out what the difference between the two is. ...
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Forward declaration of nested types/classes in C++

...s someone know why it is not possible ? It seems there is valid use cases, and this lack prevents architecture consistency in some situations. – Maël Nison Nov 1 '12 at 16:10 ...
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Java Equivalent of C# async/await?

...user960567: You need to distinguish between the version of C# you're using and the version of .NET you're using. async/await is a language feature - it was introduced in C# 5. Yes, you can use Microsoft.Bcl.Async to use async/await targeting .NET 4, but you've still got to use a C# 5 compiler. ...
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Include constant in string without concatenating

...direct variations, unnecessarily creating functions, yours is the shortest and to the point solution that relies on variable functions, underrated and very infrequently used feature of PHP. Out of this whole thread I went with YOUR particular solution. I wish I could +1 it more than once. ...
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Can I call memcpy() and memmove() with “number of bytes” set to zero?

... From the C99 standard (7.21.1/2): Where an argument declared as size_t n specifies the length of the array for a function, n can have the value zero on a call to that function. Unless explicitly stated otherwise in the description o...
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How to line-break from css, without using ?

... same HTML structure, you must have something to distinguish between Hello and How are you. I suggest using spans that you will then display as blocks (just like a <div> actually). p span { display: block; } <p><span>hello</span><span>How are you</span>...
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Why define an anonymous function and pass it jQuery as the argument?

... The two blocks of code you have shown are dramatically different in when and why they execute. They are not exclusive of each other. They do not serve the same purpose. JavaScript Modules (function($) { // Backbone code in here })(jQuery); This is a "JavaScript Module" pattern, implemented ...
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How to sum up elements of a C++ vector?

...tor.begin(); it != vector.end(); ++it) sum_of_elems += *it; Using a standard algorithm: #include <numeric> sum_of_elems = std::accumulate(vector.begin(), vector.end(), 0); Important Note: The last argument's type is used not just for the initial value, but for the type of the resu...
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“The underlying connection was closed: An unexpected error occurred on a send.” With SSL Certificate

... CONNECTION WAS CLOSED: AN UNEXPECTED ERROR OCCURRED ON A SEND" in my logs and it is breaking our OEM integration with our email marketing system at random times varying from [1hour - 4 hours] ...