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Scraping html tables into R data frames using the XML package

How do I scrape html tables using the XML package? 4 Answers 4 ...
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warning about too many open figures

In a script where I create many figures with fix, ax = plt.subplots(...) , I get the warning RuntimeWarning: More than 20 figures have been opened. Figures created through the pyplot interface (matplotlib.pyplot.figure) are retained until explicitly closed and may consume too much memory. ...
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Qt: How do I handle the event of the user pressing the 'X' (close) button?

... don't know which slot corresponds to the event of "the user clicking the 'X'(close) button of the window frame" i.e. this button: ...
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Locate Git installation folder on Mac OS X

I'm just curious, Where Git get installed (via DMG) on Mac OS X file system? 11 Answers ...
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Replace all whitespace characters

...v\u00a0\u1680\u2000-\u200a\u2028\u2029\u202f\u205f\u3000\ufeff] in Firefox and [ \f\n\r\t\v] in IE. str = str.replace(/\s/g, "X"); share | improve this answer | follow ...
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How do I combine two data-frames based on two columns? [duplicate]

...both have, but separate specifications of the columns can be given by by.x and by.y. This clearly implies that merge will merge data frames based on more than one column. From the final example given in the documentation: x <- data.frame(k1=c(NA,NA,3,4,5), k2=c(1,NA,NA,4,5), data=1:5) y <...
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mongod, mac os x - rlimits warning [closed]

I've been using mongo on my mac os x 10.8 and suddenly yesterday at my logs appeared this warning (and when starting shell it's present too) - ...
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CListCtrl 如何设置单元格颜色? - C/C++ - 清泛网 - 专注C/C++及内核技术

...&Head, &Cols); //添加数据 CString Linetitle; int pos=0; for (int x=0; x<10;x++) { Head.RemoveAll(); Linetitle.Format("Line %d",x); Head.Add(Linetitle); Linetitle.Format("SubLine %d-1",x); Head.Add(Linetitle); Linetitle.Format("SubLine %d-2",x); Head.Add(Linetitle); pos=m_C...
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[源码实例] c/c++获取网卡mac地址 - C/C++ - 清泛网 - 专注C/C++及内核技术

[源码实例] c/c++获取网卡mac地址代码如下:#include "stdafx.h"#include <afx.h>#include < nb30.h > #pragma comment(lib,"netapi32.lib")typedef struct _ASTAT...代码如下: #include "stdafx.h" #include <afx.h> #include < nb30.h > #pragma comment(lib,"netapi32.lib") typedef s...
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math.h 函数说明一览 - C/C++ - 清泛网 - 专注C/C++及内核技术

...数说明acos()求反余弦的值cos()求余弦值cosh()求双曲余玄值exp()e的次幂函数(以e为底的x次方值)frexp()把一个浮点数分解为尾数和指数ldex... 函数 说明 acos() 求反余弦的值 cos() 求余弦值 cosh() 求双曲...