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Is git's semi-secret empty tree object reliable, and why is there not a symbolic name for it?
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Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?
...me experiments on square matrices of different sizes, a pattern came up. Invariably, transposing a matrix of size 2^n is slower than transposing one of size 2^n+1 . For small values of n , the difference is not major.
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How to get mouse position in jQuery without mouse-events?
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Best way to test for a variable's existence in PHP; isset() is clearly broken
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PHP multidimensional array search by value
I have an array where I want to search the uid and get the key of the array.
23 Answers
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How to design a product table for many kinds of product where each product has many parameters
I do not have much experience in table design. My goal is to create one or more product tables that meet the requirements below:
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What is the optimal Jewish toenail cutting algorithm?
...ils, so that users can simply put their feet in it and run it instead of having to manually do it by biting them or using nail clippers.
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Getting JavaScript object key list
I have a JavaScript object like
17 Answers
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How to check if object (variable) is defined in R?
I'd like to check if some variable is defined in R - without getting an error. How can I do this?
6 Answers
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load and execute order of scripts
There are so many different ways to include JavaScript in a html page. I know about the following options:
4 Answers
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