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Random string generation with upper case letters and digits
...k=N))
A cryptographically more secure version; see https://stackoverflow.com/a/23728630/2213647:
''.join(random.SystemRandom().choice(string.ascii_uppercase + string.digits) for _ in range(N))
In details, with a clean function for further reuse:
>>> import string
>>> import r...
Grep regex NOT containing string
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This answer isn't completely correct but you were pretty much write beerbajay, I needed to rethink the loop and in use -v in the end. Thanks for the pointer ;)
– jwbensley
May 3 '12 at 16:05
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Proper way to add svn:executable
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You are right to use the svn property editing commands. The property is svn:executable.
To add the "executable bit" in svn
svn propset svn:executable on <list of files>
To remove the "executable bit" in svn
svn propdel svn:executable <list of files>
T...
Mercurial (hg) commit only certain files
I'm trying to commit only certain files with Mercurial.
Because of of hg having auto-add whenever I try to commit a change it wants to commit all files. But I don't want that because certain files are not "ready" yet.
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Setting individual axis limits with facet_wrap and scales = “free” in ggplot2
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SQL UPDATE all values in a field with appended string CONCAT not working
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The concat function in 4.1 looks the same - dev.mysql.com/doc/refman/4.1/en/…
– Phil
Nov 8 '10 at 21:50
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Rails mapping array of hashes onto single hash
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You could compose Enumerable#reduce and Hash#merge to accomplish what you want.
input = [{"testPARAM1"=>"testVAL1"}, {"testPARAM2"=>"testVAL2"}]
input.reduce({}, :merge)
is {"testPARAM2"=>"testVAL2", "testPARAM1"=>"testV...
What does the “expand” option do in grunt-contrib-copy? The examples all use it but the docs say not
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82
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PreparedStatement with list of parameters in a IN clause [duplicate]
... I think it's a bad idea and can ruin your production in a big company. The pool have a max number of prepared statement ( and ofc don't use -1 ) and you can saturate that max with that trick. For me this answer is dangerous and can be evil.
– amdev
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