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How do I change column default value in PostgreSQL?
How do I change column default value in PostgreSQL?
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Scala: join an iterable of strings
How do I "join" an iterable of strings by another string in Scala?
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Can I add comments to a pip requirements file?
I'd like to add comments for a few packages in a pip requirements file. (Just to explain why that package is on the list.) Can I do this?
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Filter dict to contain only certain keys?
I've got a dict that has a whole bunch of entries. I'm only interested in a select few of them. Is there an easy way to prune all the other ones out?
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Android SQLite: nullColumnHack parameter in insert/replace methods
The Android SDK has some convenience methods for manipulating data with SQLite. However both the insert and replace methods use some nullColumnHack parameter which usage I don't understand.
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regex to match a single character that is anything but a space
I need to match a single character that is anything but a space but I don't know how to do that with regex.
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Using .sort with PyMongo
With PyMongo, when I try to retrieve objects sorted by their 'number' and 'date' fields like this:
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How do I tell matplotlib that I am done with a plot?
The following code plots to two PostScript (.ps) files, but the second one contains both lines.
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Inline code highlighting in reStructuredText
I know reStructuredText has this directive:
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