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How to generate random SHA1 hash to use as ID in node.js?
I am using this line to generate a sha1 id for node.js:
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What are the file limits in Git (number and size)?
Does anyone know what are the Git limits for number of files and size of files?
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Why does “split” on an empty string return a non-empty array?
Split on an empty string returns an array of size 1 :
8 Answers
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Shell - Write variable contents to a file
I would like to copy the contents of a variable (here called var ) into a file.
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Difference between Static and final?
I'm always confused between static and final keywords in java .
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Generate list of all possible permutations of a string
How would I go about generating a list of all possible permutations of a string between x and y characters in length, containing a variable list of characters.
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Why are arrays covariant but generics are invariant?
From Effective Java by Joshua Bloch,
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Removing multiple keys from a dictionary safely
I know how to remove an entry, 'key' from my dictionary d , safely. You do:
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How to check if a map contains a key in Go?
I know I can iterate over a map m by,
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Remove all classes that begin with a certain string
I have a div with id="a" that may have any number of classes attached to it, from several groups. Each group has a specific prefix. In the javascript, I don't know which class from the group is on the div. I want to be able to clear all classes with a given prefix and then add a new one. If I want...