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What is your favorite C programming trick? [closed]
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Logging in Scala
...appers around a Java logging framework (slf4j, log4j etc), but as of March 2015, the surviving log libraries are all slf4j. These log libraries provide some sort of log object to which you can call info(...), debug(...), etc. I'm not a big fan of slf4j, but it now seems to be the predominant logging...
What does “hashable” mean in Python?
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answered Jan 26 '13 at 9:49
NPENPE
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How do I check if an array includes a value in JavaScript?
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An error occurred while installing pg (0.17.1), and Bundler cannot continue
I just installed Rails 4.0.2 and when creating a new app, in the bundle stage I get:
16 Answers
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Pandas percentage of total with groupby
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Paul H's answer is right that you will have to make a second groupby object, but you can calcu...
How do I install Python OpenCV through Conda?
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Print new output on same line [duplicate]
...yword:
>>> for i in range(1, 11):
... print(i, end='')
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12345678910>>>
Note that you'll have to print() the final newline yourself. BTW, you won't get "12345678910" in Python 2 with the trailing comma, you'll get 1 2 3 4 5 6 7 8 9 10 instead.
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Python 2.7 getting user input and manipulating as string without quotations
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Use raw_input() instead of input():
testVar = raw_input("Ask user for something.")
input() ...
Determine if map contains a value for a key?
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Does something along these lines exist?
No. With the stl map class, you use ::find() to s...