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Is calculating an MD5 hash less CPU intensive than SHA family functions?

Is calculating an MD5 hash less CPU intensive than SHA-1 or SHA-2 on "standard" laptop x86 hardware? I'm interested in general information, not specific to a certain chip. ...
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Select random lines from a file

In a Bash script, I want to pick out N random lines from input file and output to another file. 4 Answers ...
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Instance attribute attribute_name defined outside __init__

I split up my class constructor by letting it call multiple functions, like this: 6 Answers ...
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Why is this program valid? I was trying to create a syntax error

I'm running ActiveState's 32 bit ActivePerl 5.14.2 on Windows 7. I wanted to mess around with a Git pre-commit hook to detect programs being checked in with syntax errors. (Somehow I just managed to do such a bad commit.) So as a test program I randomly jotted this: ...
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How to create json by JavaScript for loop?

I have array of select tag. 5 Answers 5 ...
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How to convert a NumPy array to PIL image applying matplotlib colormap

I have a simple problem, but I cannot find a good solution to it. 3 Answers 3 ...
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My docker container has no internet

I had it working allright but now it stopped. I tried the following commands with no avail: 22 Answers ...
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How can I check whether a numpy array is empty or not?

How can I check whether a numpy array is empty or not? 4 Answers 4 ...
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Check whether a string contains a substring

How can I check whether a given string contains a certain substring, using Perl? 3 Answers ...
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How to check if field is null or empty in MySQL?

I am trying to figure out how to check if a field is NULL or empty . I have this: 7 Answers ...