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Converting a column within pandas dataframe from int to string
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In [16]: df = DataFrame(np.arange(10).reshape(5,2),columns=list('AB'))
In [17]: df
Out[17]:
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Identifying the dependency relationship for python packages installed with pip
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187
You could try pipdeptree which displays dependencies as a tree structure e.g.:
$ pipdeptree
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Are members of a C++ struct initialized to 0 by default?
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edited Jul 1 '09 at 15:05
answered Jul 1 '09 at 15:00
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Why does 0.ToString(“#.##”) return an empty string instead of 0.00 or at least 0?
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185
# in the string format indicate that the value is optional. If you wish to get the output 0.00...
Getting Java version at runtime
I need to work around a Java bug in JDK 1.5 which was fixed in 1.6. I'm using the following condition:
12 Answers
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What is the difference between quiet NaN and signaling NaN?
...FPU. Whether the exception is thrown depends on the state of the FPU.
C++11 adds a few language controls over the floating-point environment and provides standardized ways to create and test for NaNs. However, whether the controls are implemented is not well standardized and floating-point except...
Twitter oAuth callbackUrl - localhost development
...bled recently. http://code.google.com/p/twitter-api/issues/detail?id=534#c1
17 Answers
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Scala downwards or decreasing for loop?
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scala> 10 to 1 by -1
res1: scala.collection.immutable.Range = Range(10, 9, 8, 7, 6, 5, 4, 3, 2, 1)
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