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Remove redundant paths from $PATH variable

...d it to any .bashrc, bash.bashrc, /etc/profile - whatever fits your system and user needs. Note: This is for Linux. We'll make this clear for new coders. (` , ') Don't try to SET = these. share | i...
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Why is “import *” bad?

...f into your namespace (might shadow some other object from previous import and you won't know about it). Because you don't know exactly what is imported and can't easily find from which module a certain thing was imported (readability). Because you can't use cool tools like pyflakes to statically ...
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How do I do a not equal in Django queryset filtering?

In Django model QuerySets, I see that there is a __gt and __lt for comparitive values, but is there a __ne / != / <> ( not equals ?) ...
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How to pretty print nested dictionaries?

... U know @Ken's conventional answer is much better than this. Json already handles everything and this can give errors such: UnicodeEncodeError: 'ascii' codec can't encode character u'\xf3' in position 50: ordinal not in range(128) – wonderwhy Aug 27 '14 at 13:2...
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#define macro for debug printing in C?

...on: #ifdef DEBUG #define DEBUG_TEST 1 #else #define DEBUG_TEST 0 #endif And then use DEBUG_TEST where I used DEBUG. If you insist on a string literal for the format string (probably a good idea anyway), you can also introduce things like __FILE__, __LINE__ and __func__ into the output, which can...
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How to truncate the time on a DateTime object in Python?

... Note that python 2 and python 3 docs both state that the replace() method returns a datetime object, so the correct incantation would be: dt = datetime.datetime.now().replace(hour=0, minute=0, second=0, microsecond=0) – Br...
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What happens to an open file handle on Linux if the pointed file gets moved or deleted

What happens to an open file handle on Linux if the pointed file meanwhile gets: 7 Answers ...
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Sending mail from Python using SMTP

...www1.cs.columbia.edu/~db2501/ssmtplib.py) As in your script, the username and password, (given dummy values below), used to authenticate on the SMTP server, are in plain text in the source. This is a security weakness; but the best alternative depends on how careful you need (want?) to be about pro...
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Finding Number of Cores in Java

...r of available processors should therefore occasionally poll this property and adjust their resource usage appropriately." source – JW. Jun 16 '12 at 9:38 ...
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open_basedir restriction in effect. File(/) is not within the allowed path(s):

...ng this error on an avatar upload on my site. I've never gotten it before and nothing was changed recently for me to begin getting this error... ...