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Fastest way to reset every value of std::vector to 0
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Looking at the assembly output, gcc actually unrolls this loop into using the mmx registers to dump in 16 bytes at a time until it gets close to the end. I'd say that's pretty fast. The memset version jumps to memset, which I'm guessing is about as fast. I'd use yo...
How can I use Homebrew to install both Python 2 and 3 on Mac?
...on't want to mess with path and get into trouble.
Right now I have 2.7 installed through Homebrew.
9 Answers
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How to write lists inside a markdown table?
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@TreborRude No, because Markdown is not HTML actually. But if you use a library (e.g. marked), you probably have this feature (to combine HTML with markdown).
– Ionică Bizău
Aug 5 '14 at 12:59
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Understanding the main method of python [duplicate]
...n other programs, and also include code to evaluate only when the file is called as a standalone script.
It's important to understand that all of the code above the if __name__ line is being executed, evaluated, in both cases. It's evaluated by the interpreter when the file is imported or when it'...
Why would anyone use set instead of unordered_set?
...ss memory than unordered_set to store the same number of elements.
For a small number of elements, lookups in a set might be faster than lookups in an unordered_set.
Even though many operations are faster in the average case for unordered_set, they are often guaranteed to have better worst case comp...
ASP.NET MVC 3 Razor: Include JavaScript file in the head tag
...JavaScript file for a particular *.cshtml to be in the head tag along with all the other include files that are defined in _Layout.cshtml.
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What is “export default” in javascript?
...he default export can be imported without using braces. This answer is actually pretty wrong as it says you can only use default when there is only one export in a file, which is not true at all. You can have several exports in the same file, but of course only 1 of them can be set as the default on...
What exactly are “spin-locks”?
...ads on the same core. This has a performance penalty if the wait time is really short, because your thread now has to wait for a preemption to receive CPU time again.
Besides, kernel objects are not available in every state of the kernel, such as in an interrupt handler or when paging is not availab...
How can I do a line break (line continuation) in Python?
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Actually, you have the style guide's preference exactly backwards. Implicit continuation is preferred, explicit backslash is to be used only if necessary.
– Carl Meyer
Sep 11 '08 at 19:00
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Mockito test a void method throws an exception
... a number of exceptions so I'd like to test those exceptions being thrown. All attempts have failed with the same reason:
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