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Excel Date to String conversion
... how to set formats: see Guidelines for date and time formats on this page office.microsoft.com/en-us/excel-help/…
– codea
Sep 9 '13 at 21:07
...
Get the Row(s) which have the max count in groups using groupby
...ues.
This would filter out all the rows with max value in the group.
In [365]: import pandas as pd
In [366]: df = pd.DataFrame({
'sp' : ['MM1', 'MM1', 'MM1', 'MM2', 'MM2', 'MM2', 'MM4', 'MM4','MM4'],
'mt' : ['S1', 'S1', 'S3', 'S3', 'S4', 'S4', 'S2', 'S2', 'S2'],
'val' : ['a', 'n', 'cb', 'mk', 'bg...
npm not working - “read ECONNRESET”
...
Remove your proxy settings at home and switch on at Office networks, This may be irritating, But It worked for me:
npm config set proxy http://xxx.xxx.xxx.4:8080
npm config set https-proxy http://xxx.xxx.xxx.4:8080
and
npm config rm proxy
npm config rm https-proxy
...
Accessing @attribute from SimpleXML
...et the correct output, but when I follow the docs and var_dump $xml->OFFICE->{'@attributes'} , I get an empty object, despite the fact that the first var_dump clearly shows that there are attributes to output.
...
Python script to copy text to clipboard [duplicate]
...
.copy seems to be the offical one. github.com/asweigart/pyperclip
– fnkr
Oct 17 '14 at 19:50
...
What is the difference between Spring's GA, RC and M2 releases?
...
365
GA = General availability (a release); should be very stable and feature complete
RC = Releas...
When do I use the PHP constant “PHP_EOL”?
...
365
Yes, PHP_EOL is ostensibly used to find the newline character in a cross-platform-compatible w...
Java 理论与实践: 线程池与工作队列 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...的 Java 类库中的并发实用程序，这个包应该用于 Java 开发工具箱 1.5 发行版。
结束语
线程池是组织服务器应用程序的有用工具。它在概念上十分简单，但在实现和使用一个池时，却需要注意几个问题，例如死锁、资源不足...
Shell脚本编程30分钟入门 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...shell解释器，需要自行安装，为了同时能用grep, awk, curl等工具，最好装一个cygwin或者mingw来模拟linux环境。
cygwin
mingw
脚本解释器sh
即Bourne shell，POSIX（Portable Operating System Interface）标准的shell解释器，它的二进制文件路径通...
How do I set the UI language in vim?
...I want English , but since my OS is set up in German (the standard at our office), I guess vim is actually trying to be helpfull.
...