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Can't install Ruby under Lion with RVM – GCC issues
...st questions regarding this problem are due to missing Xcode; I have Xcode 4.2 installed.
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Integrate ZXing in Android Studio
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I was integrating ZXING into an Android application and there were no good sources for the input...
Remove empty elements from an array in Javascript
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44 Answers
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Accessing last x characters of a string in Bash
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WinDBG用法详解 PDF - 文档下载 - 清泛网 - 专注C/C++及内核技术
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How can I obtain the element-wise logical NOT of a pandas Series?
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To invert a boolean Series, use ~s:
In [7]: s = pd.Series([True, True, False, True])
In [8]: ~...
What are the correct version numbers for C#?
...ession trees, anonymous types, implicit typing (var), query expressions
C# 4.0 released with .NET 4 and VS2010 (April 2010). Major new features: late binding (dynamic), delegate and interface generic variance, more COM support, named arguments, tuple data type and optional parameters
C# 5.0 released...
How do I get indices of N maximum values in a NumPy array?
... up with is:
In [1]: import numpy as np
In [2]: arr = np.array([1, 3, 2, 4, 5])
In [3]: arr.argsort()[-3:][::-1]
Out[3]: array([4, 3, 1])
This involves a complete sort of the array. I wonder if numpy provides a built-in way to do a partial sort; so far I haven't been able to find one.
If this ...
Output data from all columns in a dataframe in pandas [duplicate]
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There is too much data to be displayed on the screen, therefore a summary is displayed instead....