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Remove insignificant trailing zeros from a number?

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Selecting with complex criteria from pandas.DataFrame

...; from random import randint >>> df = pd.DataFrame({'A': [randint(1, 9) for x in range(10)], 'B': [randint(1, 9)*10 for x in range(10)], 'C': [randint(1, 9)*100 for x in range(10)]}) >>> df A B C 0 9 40 300 1 9 70 700 2 5 70 90...
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How do I get indices of N maximum values in a NumPy array?

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Using async/await for multiple tasks

... 591 int[] ids = new[] { 1, 2, 3, 4, 5 }; Parallel.ForEach(ids, i => DoSomething(1, i, blogClient)...
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How to validate IP address in Python? [duplicate]

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How to convert a boolean array to an int array

... 176 Numpy arrays have an astype method. Just do y.astype(int). Note that it might not even be ne...
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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 does “fragment” mean in ANTLR?

... 113 A fragment is somewhat akin to an inline function: It makes the grammar more readable and easi...
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Is MATLAB OOP slow or am I doing something wrong?

...t; call_nops Computer: PCWIN Release: 2009b Calling each function/method 100000 times nop() function: 0.02261 sec 0.23 usec per call nop1-5() functions: 0.02182 sec 0.22 usec per call nop() subfunction: 0.02244 sec 0.22 usec per call @()[] anonymous f...
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How to find the installed pandas version

...sion__: In [76]: import pandas as pd In [77]: pd.__version__ Out[77]: '0.12.0-933-g281dc4e' Pandas also provides a utility function, pd.show_versions(), which reports the version of its dependencies as well: In [53]: pd.show_versions(as_json=False) INSTALLED VERSIONS ------------------ commit:...