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How to log PostgreSQL queries?
... /var/lib/pgsql/9.2/data/pg_log/
The log files tend to grow a lot over a time, and might kill your machine. For your safety, write a bash script that'll delete logs and restart postgresql server.
Thanks @paul , @Jarret Hardie , @Zoltán , @Rix Beck , @Latif Premani
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What's the best way to generate a UML diagram from Python source code? [closed]
...the general case, it can't be done. Python objects can be extended at run time, and objects of any type can be assigned to any instance variable. Figuring out what classes an object can contain pointers to (composition) would require a full understanding of the runtime behavior of the program.
Py...
How to expire session due to inactivity in Django?
...browser close with the SESSION_EXPIRE_AT_BROWSER_CLOSE setting. Then set a timestamp in the session on every request like so.
request.session['last_activity'] = datetime.now()
and add a middleware to detect if the session is expired. something like this should handle the whole process...
from da...
How do you format the day of the month to say “11th”, “21st” or “23rd” (ordinal indicator)?
...y exists in the table for 7tn, 17tn, and 27tn (this bug might get fixed as time goes on because of the fluid nature of StackOverflow, so check the version history on the answer to see the error).
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Default string initialization: NULL or Empty? [closed]
... You're right, my last assertion was not clear enough. Most times, my database columns are NOT NULL (because there would be no difference bewteen the meaning of empty string and NULL), so I attempt to keep my strings similar by never storing null in them, and that is what I meant.
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deleting rows in numpy array
... @arturomp but the mask is nondestructive. Is a call to delete() time/memory consuming?
– Nathan
Mar 28 '18 at 18:19
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Javascript: How to loop through ALL DOM elements on a page?
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The best time to use recursion is the best time to use recursion.
– Adamlive
Oct 5 '17 at 14:05
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Plurality in user messages
Many times, when generating messages to show to the user, the message will contain a number of something that I want to inform the customer about.
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How do I delete all untracked files from my working directory in Mercurial?
...kovKuperman I guess adding extension is lesser work than this command (one time enabling). I do not enable purge extension because I need it less than once in a fortnight. Also call me silly but, typing this command gives me enough time to think again before doing something as desctructive as 'purge...
Python setup.py develop vs install
...to frequently edit the code without having to re-install the package every time — and that is exactly what python setup.py develop does: it installs the package (typically just a source folder) in a way that allows you to conveniently edit your code after it’s installed to the (virtual) environm...