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Optimal number of threads per core
Let's say I have a 4-core CPU, and I want to run some process in the minimum amount of time. The process is ideally parallelizable, so I can run chunks of it on an infinite number of threads and each thread takes the same amount of time.
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How do I test for an empty JavaScript object?
After an AJAX request, sometimes my application may return an empty object, like:
57 Answers
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Convert UTC date time to local date time
From the server I get a datetime variable in this format: 6/29/2011 4:52:48 PM and it is in UTC time. I want to convert it to the current user’s browser time using JavaScript.
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What is the fastest way to get the value of π?
I'm looking for the fastest way to obtain the value of π, as a personal challenge. More specifically, I'm using ways that don't involve using #define constants like M_PI , or hard-coding the number in.
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Safe (bounds-checked) array lookup in Swift, through optional bindings?
If I have an array in Swift, and try to access an index that is out of bounds, there is an unsurprising runtime error:
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What's the simplest way to test whether a number is a power of 2 in C++?
I need a function like this:
17 Answers
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How can I tell if a library was compiled with -g?
I have some compiled libraries on x86 Linux and I want to quickly determine whether they were compiled with debugging symbols.
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Should CSS always preceed Javascript?
In countless places online I have seen the recommendation to include CSS prior to JavaScript. The reasoning is generally, of this form :
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What is the 'override' keyword in C++ used for? [duplicate]
I am a beginner in C++. I have come across override keyword used in the header file that I am working on. May I know, what is real use of override , perhaps with an example would be easy to understand.
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