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Hashing a file in Python
I want python to read to the EOF so I can get an appropriate hash, whether it is sha1 or md5. Please help. Here is what I have so far:
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How to correctly use the extern keyword in C
My question is about when a function should be referenced with the extern keyword in C.
10 Answers
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What is the fastest or most elegant way to compute a set difference using Javascript arrays?
... B be two sets. I'm looking for really fast or elegant ways to compute the set difference ( A - B or A \B , depending on your preference) between them. The two sets are stored and manipulated as Javascript arrays, as the title says.
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To switch from vertical split to horizontal split fast in Vim
How can you switch your current windows from horizontal split to vertical split and vice versa in Vim?
8 Answers
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Execution time of C program
I have a C program that aims to be run in parallel on several processors. I need to be able to record the execution time (which could be anywhere from 1 second to several minutes). I have searched for answers, but they all seem to suggest using the clock() function, which then involves calculating...
How to HTML encode/escape a string? Is there a built-in?
I have an untrusted string that I want to show as text in an HTML page. I need to escape the chars ' < ' and ' & ' as HTML entities. The less fuss the better.
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Seeding the random number generator in Javascript
Is it possible to seed the random number generator (Math.random) in Javascript?
13 Answers
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Get the closest number out of an array
I have a number from minus 1000 to plus 1000 and I have an array with numbers in it. Like this:
20 Answers
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What is the best regular expression to check if a string is a valid URL?
How can I check if a given string is a valid URL address?
55 Answers
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The performance impact of using instanceof in Java
I am working on an application and one design approach involves extremely heavy use of the instanceof operator. While I know that OO design generally tries to avoid using instanceof , that is a different story and this question is purely related to performance. I was wondering if there is any per...