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Convert the values in a column into row names in an existing data frame

...he values in a column of an existing data frame into row names. Is is possible to do this without exporting the data frame and then reimporting it with a row.names = call? ...
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Why doesn't c = a+++++b work in C? [duplicate]

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How to save a list as numpy array in python?

Is possible to construct a NumPy array from a python list? 9 Answers 9 ...
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NodeJS: How to decode base64 encoded string back to binary? [duplicate]

I was implementing password hashing with salt, so I generated salt as binary, hashed the password, base64 encoded the password and salt then stored them into database. ...
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C/C++ 如何向上取整? - C/C++ - 清泛网 - 专注C/C++及内核技术

...方法:#include <math.h>int _tmain(int argc, _TCHAR* argv[]){int a = 6, b = 5; ceil函数printf("%d...一般地,向上取整有两种方法: #include <math.h> int _tmain(int argc, _TCHAR* argv[]) { int a = 6, b = 5; //ceil函数 printf("%d\n", (int)ceil((double)a / (double)b));...
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linux上SVN conflict冲突解决的办法 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...VN很聪明。 两个人同时修改了同一个文件的相同位置?Bing!冲突来了。 工程师A修改了a.txt的第一行,提交了。 工程师B也修改了a.txt的第一行,然后执行svn up,这时SVN提示了:(以下,你开始扮演工程师B的角色了) $ svn ...
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jquery中 html() text() val() innerText总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...选定的元素下面的格式也取到了。 如:<div id="divShow"><b><i>Write Less Do More</i></b></div> 如果我们用var strHTML = $("#divShow").html();取的话,结果是:<b><i>Write Less Do More</i></b> 如果我们用var strHTML2 = $("#divShow b i").html();取的话,结果...
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Win10正式版官方原版ISO镜像下载大全(64位&32位) - 软件下载 - 清泛网 - ...

...名:cn_windows_10_multiple_editions_x64_dvd_6848463.iso 体积:4.01GB SHA1:C71D49A6...【64位简体中文家庭/专业版】 文件名:cn_windows_10_multiple_editions_x64_dvd_6848463.iso 体积:4.01GB SHA1:C71D49A6144772F352806201EF564951BE55EDD5 百度...
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研究:[url]https://peterzhong1219.gitee.io/webpages/%E5%A6%82%E4%BD%95...

研究:https://peterzhong1219.gitee.io/ ... App%20Inventor.htmlhttps://qastack.cn/programming/1 ... up-the-gwt-compiler已研究,已解决问题。
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Correct way to convert size in bytes to KB, MB, GB in JavaScript

I got this code to covert size in bytes via PHP. 17 Answers 17 ...