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How to get all possible combinations of a list’s elements?
I have a list with 15 numbers in, and I need to write some code that produces all 32,768 combinations of those numbers.
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How to change MySQL data directory?
Is it possible to change my default MySQL data directory to another path? Will I be able to access the databases from the old location?
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.htaccess - how to force “www.” in a generic way?
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8 Answers
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How do I round to the nearest 0.5?
I have to display ratings and for that i need increments as follows:
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Do any JVM's JIT compilers generate code that uses vectorized floating point instructions?
Let's say the bottleneck of my Java program really is some tight loops to compute a bunch of vector dot products. Yes I've profiled, yes it's the bottleneck, yes it's significant, yes that's just how the algorithm is, yes I've run Proguard to optimize the byte code, etc.
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How do I trim whitespace?
Is there a Python function that will trim whitespace (spaces and tabs) from a string?
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Iterate over a list of files with spaces
I want to iterate over a list of files. This list is the result of a find command, so I came up with:
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Printf width specifier to maintain precision of floating-point value
Is there a printf width specifier which can be applied to a floating point specifier that would automatically format the output to the necessary number of significant digits such that when scanning the string back in, the original floating point value is acquired?
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Rubymine: How to make Git ignore .idea files created by Rubymine
I use Rubymine for Rails projects. Very often, Rubymine makes changes in .idea/* files that I don't care about. But it keeps preventing me from checking out new branches, and makes my version of .idea/ different from my coworkers.
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Should I put the Google Analytics JS in the or at the end of ?
Google gives me a piece of javascript and tells me to include it in the <head> .
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