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ExpressJS - throw er Unhandled error event
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Why is parenthesis in print voluntary in Python 2.7?
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What do the python file extensions, .pyc .pyd .pyo stand for?
...Currently only __doc__ strings are removed from the bytecode, resulting in more compact ‘.pyo’ files. Since some programs may rely on having these available, you should only use this option if you know what you're doing.
A program doesn't run any faster when it is read from a ‘.pyc’ or ‘...
facebook: permanent Page Access Token?
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Facebook messed this up so it doesn't work anymore. :-( After step 1.5 above (clicking the "Get Access Token" button) a red warning appears in the following dialog, stating "Submit for Login Review - Some of the permissions below have not been approved for use by Faceboo...
What is the difference between quiet NaN and signaling NaN?
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In contrast, NaNs are for more normal programming. They can be produced by normal operations when there is no numerical result (e.g., taking the square root of a negative number when the result must be real). Their purpose is generally to allow arithm...
What is a “symbol” in Julia?
...ch must be immutable. Interning strings makes some string processing tasks more time- or space-efficient at the cost of requiring more time when the string is created or interned. en.wikipedia.org/wiki/String_interning
– xiaodai
Oct 3 '17 at 5:23
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serve current directory from command line
...thanks Aaron Patterson/n0kada):
ruby -run -e httpd . -p 9090
Alternate, more complex way:
ruby -r webrick -e "s = WEBrick::HTTPServer.new(:Port => 9090, :DocumentRoot => Dir.pwd); trap('INT') { s.shutdown }; s.start"
Even the first command is hard to remember, so I just have this in my...
How do I access command line arguments in Python?
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Python tutorial explains it:
import sys
print(sys.argv)
More specifically, if you run python example.py one two three:
>>> import sys
>>> print(sys.argv)
['example.py', 'one', 'two', 'three']
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Delete a key from a MongoDB document using Mongoose
...mode (default) does not allow to set fields which are not in the schema anymore. doc.set('field', undefined, { strict: false }) worked fine.
– Alexander Link
Jul 2 '15 at 15:01
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