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What is a good regular expression to match a URL? [duplicate]
...ure URL starts with HTTP/HTTPS:
https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*)
If you do not require HTTP protocol:
[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*)
To try this out see http://regex...
How to access a preexisting collection with Mongoose?
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answered Nov 3 '11 at 15:21
calvinfocalvinfo
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Is SHA-1 secure for password storage?
Conclusion: SHA-1 is as safe as anything against preimage attacks, however it is easy to compute, which means it is easier to mount a bruteforce or dictionary attack. (The same is true for successors like SHA-256.) Depending on the circumstances, a hash function which was designed to be computation...
Check folder size in Bash
...a script that will calculate a directory size and if the size is less than 10GB, and greater then 2GB do some action. Where do I need to mention my folder name?
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Is an entity body allowed for an HTTP DELETE request?
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15 Answers
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What does __FILE__ mean in Ruby?
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146
It is a reference to the current file name. In the file foo.rb, __FILE__ would be interpreted ...
How do I clone a single branch in Git?
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21 Answers
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Version of Apache installed on a Debian machine
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17 Answers
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How do I access command line arguments in Python?
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517
Python tutorial explains it:
import sys
print(sys.argv)
More specifically, if you run pytho...
Converting a Uniform Distribution to a Normal Distribution
...stribution (as most random number generators produce, e.g. between 0.0 and 1.0) into a normal distribution? What if I want a mean and standard deviation of my choosing?
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