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how to calculate binary search complexity
...e and had to search linearly for your value, it would probably take around 64 entries on average to find your value. That's n/2 or linear time. With a binary search, you eliminate 1/2 the possible entries each iteration, such that at most it would only take 7 compares to find your value (log base ...
How to check if a given directory exists in Ruby
...nel#test:
test ?d, 'some directory'
it gets it's origins from https://ss64.com/bash/test.html
you will notice bash test has this flag -d to test if a directory exists
-d file True if file is a Directory. [[ -d demofile ]]
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Node.js - Find home directory in platform agnostic way
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In 0.10.33 win 64bit this does not work. I have USERPROFILE and HOME set to C: My company forces me to have a HOMEDRIVE/HOMEPATH set to a network share H:. For some reason node prefers H:.
– Angus
N...
MySQL: What's the difference between float and double?
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Float has 32 bit (4 bytes) with 8 places accuracy.
Double has 64 bit (8 bytes) with 16 places accuracy.
If you need better accuracy, use Double instead
of Float.
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What exceptions should be thrown for invalid or unexpected parameters in .NET?
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Ben SBen S
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Access string.xml Resource File from Java Android Code
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Lalit PoptaniLalit Poptani
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EC2 Can't resize volume after increasing size
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Should I make HTML Anchors with 'name' or 'id'?
...L 3.2 support." It claims support for Win95 thru XP, but it works fine w/ 64-bit Win7. So, why have such a dinosaur? For testing, of course, to make sure my sites don't break too badly w/ truly antique browsers. Also, I also carry OB1 on a flash drive. It is tiny, self-contained & immune from ...
Getting a list of all subdirectories in the current directory
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642
Do you mean immediate subdirectories, or every directory right down the tree?
Either way, yo...
List files in local git repo?
... For example:
git cat-file -p 14032aabd85b43a058cfc7025dd4fa9dd325ea97
100644 blob b93a4953fff68df523aa7656497ee339d6026d64 glyphicons-halflings-regular.eot
100644 blob 94fb5490a2ed10b2c69a4a567a4fd2e4f706d841 glyphicons-halflings-regular.svg
100644 blob 1413fc609ab6f21774de0cb7e01360095584f6...