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Read an Excel file directly from a R script
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12 Answers
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In-memory size of a Python structure
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146
The recommendation from an earlier question on this was to use sys.getsizeof(), quoting:
>...
Why are dates calculated from January 1st, 1970?
Is there any reason behind using date(January 1st, 1970) as default standard for time manipulation? I have seen this standard in Java as well as in Python. These two languages I am aware of. Are there other popular languages which follows the same standard?
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Inline labels in Matplotlib
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mask = (xy[:,0] >= 0) & (xy[:,0] < N) & (xy[:,1] >= 0) & (xy[:,1] < N)
xy = xy[mask]
# add to pop
for p in xy:
pop[l][tuple(p)] = 1.0
# find whitespace, nice place for labels
ws = 1.0 - (np.sum(pop, axis=0) > 0) *...
CMake使用教程 - C/C++ - 清泛网 - 专注C/C++及内核技术
...它编译的，感兴趣的可以试用一下。
准备活动：
（1）安装cmake。
下载地址：http://www.cmake.org/cmake/resources/software.html
根据自己的需要下载相应的包即可，Windows下可以下载zip压缩的绿色版本，还可以下载源代码。
（2）运...
Reverse Range in Swift
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Update For latest Swift 3 (still works in Swift 4)
You can use the reversed() method on a ran...
Latest jQuery version on Google's CDN
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UPDATE 7/3/2014: As of now, jquery-latest.js is no longer being updated.
From the jQuery blog:...
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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30.1工作空间......................................................................................................................1
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How to determine if a decimal/double is an integer?
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14 Answers
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