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Searching subversion history (full text)
...y. Admitedly, I've moved entirely to using git since the time I asked this question, so accepting this answer might be a bit specific to me.
– rjmunro
Sep 29 '10 at 14:08
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How can I extract a good quality JPEG image from a video file with ffmpeg?
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Use -qscale:v to control quality
Use -qscale:v (or the alias -q:v) as an output option.
Normal range for JPEG is 2-31 with 31 being the worst quality.
The scale is linear with double the qscale being roughly half the bitrate.
Rec...
How do I extract the contents of an rpm?
...nts into a directory so I can inspect the contents. I am familiar with the querying commands of an uninstalled package. I do not simply want a list of the contents of the rpm. i.e.
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How can I correctly prefix a word with “a” and “an”?
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Download Wikipedia
Unzip it and write a quick filter program that spits out only article text (the download is generally in XML format, along with non-article metadata too).
Find all instances of a(n).... and make an index on the following word and all of its prefi...
A non-blocking read on a subprocess.PIPE in Python
...to read a stream without blocking regardless of operating system is to use Queue.get_nowait():
import sys
from subprocess import PIPE, Popen
from threading import Thread
try:
from queue import Queue, Empty
except ImportError:
from Queue import Queue, Empty # python 2.x
ON_POSIX = 'posix...
git pull VS git fetch Vs git rebase
Another question said git pull is like a git fetch + git merge .
2 Answers
2
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SQLAlchemy - Getting a list of tables
... this in the documentation, but how can I get a list of tables created in SQLAlchemy?
9 Answers
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Does SQLAlchemy have an equivalent of Django's get_or_create?
...or_create(session, model, defaults=None, **kwargs):
instance = session.query(model).filter_by(**kwargs).first()
if instance:
return instance, False
else:
params = dict((k, v) for k, v in kwargs.iteritems() if not isinstance(v, ClauseElement))
params.update(default...
Why doesn't println! work in Rust unit tests?
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thanks! unrelated to this question, but that also helped me figure out how to get cargo test [--] --bench to work too!
– Jim Garrison
Aug 9 '14 at 12:37
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What exactly is a C pointer if not a memory address?
...and how to do pointer arithmetic with those numbers and all other things required by the standard.
– Alexey Frunze
Mar 1 '13 at 6:12
4
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