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Get names of all keys in the collection
...s exactly what the question asks, and can be configured with limits, depth etc. Recommended by any who follows.
– Paul Biggar
Jun 10 '12 at 20:35
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Is False == 0 and True == 1 an implementation detail or is it guaranteed by the language?
...s to strings and number values, using == or != or <, > >=, <=, etc.
You can assign an integer to a variable and then get true or false based on that variable value.
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Saving interactive Matplotlib figures
...'FigureObject.fig.pickle', 'rb'))
figx.show() # Show the figure, edit it, etc.!
You can even extract the data from the plots:
data = figx.axes[0].lines[0].get_data()
(It works for lines, pcolor & imshow - pcolormesh works with some tricks to reconstruct the flattened data.)
I got the exce...
Showing the stack trace from a running Python application
... to continue running (though note that you will probably interrupt any I/O etc at the point you signal, so it isn't fully non-intrusive.
I've another script that does the same thing, except it communicates with the running process through a pipe (to allow for debugging backgrounded processes etc). ...
Best way to test for a variable's existence in PHP; isset() is clearly broken
...ng them as though they were. However, since they can be iterated, counted, etc, a missing value is not the same as one whose value is null.
The answer in this case, is to use array_key_exists() instead of isset().
Since this is takes the array to check as a function argument, PHP will still raise ...
Get absolute path of initially run script
...nd line, but, a solution should function just as well if run within Apache etc.
15 Answers
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Do I need to disable NSLog before release Application?
...ou log (and especially if your app contacts a server, does authentication, etc.), this can be a serious security issue.
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Cannot download Docker images behind a proxy
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First, create a systemd drop-in directory for the Docker service:
mkdir /etc/systemd/system/docker.service.d
Now create a file called /etc/systemd/system/docker.service.d/http-proxy.conf that adds the HTTP_PROXY environment variable:
[Service]
Environment="HTTP_PROXY=http://proxy.example.com:80...
How to find the size of localStorage
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Depends on the character set (i.e. utf8, etc) which that doesn't account for
– jas-
Sep 24 '14 at 11:18
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Real world example about how to use property feature in python?
...tein_folding_angle(self):
# number crunching, remote server calls, etc
# all results in an angle set in 'some_angle'
# It could also reference a cache, remote or otherwise,
# that holds the latest value for this angle
return some_angle
>>> f = PDB_Ca...