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Removing multiple keys from a dictionary safely
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Why not like this:
entries = ('a', 'b', 'c')
the_dict = {'b': 'foo'}
def entries_to_remove(entries, the_dict):
for key in entries:
if key in the_dict:
del the_dict[key]
A more compact version was provided by matt...
How to convert a double to long without casting?
What is the best way to convert a double to a long without casting?
9 Answers
9
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How do I check for a network connection?
What is the best way to determine if there is a network connection available?
4 Answers
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How do I close a connection early?
...ess has started, but JQuery won't return the response until the PHP script is done running.
19 Answers
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docker mounting volumes on host
...and store any files created or edited inside that directory on your hosts disk outside the container file structure, bypassing the union file system.
The idea is that your volumes can be shared between your docker containers and they will stay around as long as there's a container (running or stopp...
Saving a Numpy array as an image
I have a matrix in the type of a Numpy array. How would I write it to disk it as an image? Any format works (png, jpeg, bmp...). One important constraint is that PIL is not present.
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What does gcc's ffast-math actually do?
...es outside of IEEE standards, but I can't seem to find information on what is really happening when it's on. Can anyone please explain some of the details and maybe give a clear example of how something would change if the flag was on or off?
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IIS7 Overrides customErrors when setting Response.StatusCode?
...tom error page, that you should set your Response.StatusCode to whatever is appropriate. For example, if I make a custom 404 page and name it 404.aspx, I could put <% Response.StatusCode = 404 %> in the contents in order to make it have a true 404 status header.
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How can I catch all the exceptions that will be thrown through reading and writing a file?
In Java, is there any way to get(catch) all exceptions instead of catch the exception individually?
7 Answers
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Does bit-shift depend on endianness?
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Endianness is the way values are stored in memory. When loaded into the processor, regardless of endianness, the bit shift instruction is operating on the value in the processor's register. Therefore, loading from memory to processor is...