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Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?
Background:
4 Answers
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Delete files older than 3 months old in a directory using .NET
I would like to know (using C#) how I can delete files in a certain directory older than 3 months, but I guess the date period could be flexible.
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Are arrays passed by value or passed by reference in Java? [duplicate]
Arrays are not a primitive type in Java, but they are not objects either , so are they passed by value or by reference? Does it depend on what the array contains, for example references or a primitive type?
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What's “wrong” with C++ wchar_t and wstrings? What are some alternatives to wide characters?
I have seen a lot of people in the C++ community(particularly ##c++ on freenode) resent the use of wstrings and wchar_t , and their use in the windows api. What is exactly "wrong" with wchar_t and wstring , and if I want to support internationalization, what are some alternatives to wide chara...
Check if a JavaScript string is a URL
Is there a way in JavaScript to check if a string is a URL?
32 Answers
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Omitting the second expression when using the if-else shorthand
Can I write the if else shorthand without the else ?
8 Answers
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Sorting an array of objects in Ruby by object attribute?
I have an array of objects in Ruby on Rails. I want to sort the array by an attribute of the object. Is it possible?
9 Answ...
Convert int to string?
How can I convert an int datatype into a string datatype in C#?
11 Answers
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How to convert C# nullable int to int
How do I convert a nullable int to an int ? Suppose I have 2 type of int as below:
17 Answers
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Why is `std::move` named `std::move`?
The C++11 std::move(x) function doesn't really move anything at all. It is just a cast to r-value. Why was this done? Isn't this misleading?
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