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Applying function with multiple arguments to create a new pandas column
...] + row['B']
Assign the new columns:
df['newcolumn'], df['newcolumn2'] = zip(*df.apply(fab, axis=1))
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App Inventor 2 拓展参考文档 · App Inventor 2 中文网
...》。
【实用小技巧】从.aia项目文件中提取.aix拓展包
【自己写拓展】为AppInventor2开发拓展(Extension)
中文网拓展
【数据图表】 ECharts/ECharts3D 拓展：基于 ECharts 强大的个性化数据图表展示
【...
Notepad++ htmltidy - unable to find libtidy.dll
...d in earlier versions. See post here.
The solution is to download the 5.9 ZIP file from here, then copy the plugins\config folder to the Notepad++\plugins folder.
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What is the purpose of setting a key in data.table?
...a very long time.
Consider the following example: suppose I have a table, ZIP, of all the zip codes in the US (>33,000) along with associated information (city, state, population, median income, etc.). If I want to look up the information for a specific zip code, the search (filter) is about 100...
实战低成本服务器搭建千万级数据采集系统 - 更多技术 - 清泛网 - 专注C/C++...
...来说明一下如何实现：
一、采集，目标是在一个小时内把30万关键词对应的数据从四大微博采集下来，能够使用的机器配置就是上面配置的普通服务器。采集服务器对硬盘没有太多要求，属于cpu密集型运算，需耗费一些内存。...
How to get the filename without the extension from a path in Python?
...ed. For example:
import os
print(os.path.splitext("/path/to/some/file.txt.zip.asc")[0])
Prints:
/path/to/some/file.txt.zip
See other answers below if you need to handle that case.
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App Inventor 2 拓展参考文档 · App Inventor 2 中文网
...》。
【实用小技巧】从.aia项目文件中提取.aix拓展包
【自己写拓展】为AppInventor2开发拓展(Extension)
中文网拓展
【数据图表】 ECharts/ECharts3D 拓展：基于 ECharts 强大的个性化数据图表展示
【...
How can I install a local gem?
...
I download a gem such as rubygems in zip format. So there is no .gem file here. How do I install this from local ? Thank you.
– Erran Morad
Jan 10 '15 at 0:15
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What is the most efficient way to create a dictionary of two pandas Dataframe columns?
...dint(0,10,10000).reshape(5000,2),columns=list('AB'))
In [7]: %timeit dict(zip(df.A,df.B))
1000 loops, best of 3: 1.27 ms per loop
In [8]: %timeit pd.Series(df.A.values,index=df.B).to_dict()
1000 loops, best of 3: 987 us per loop
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Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注IT技能提升
...Rsyslog的工作流程，我们就可以实例演示了，请听题：请把多台Web服务器上的access日志发送到统一的App服务器。实际上新版Nginx可以直接发Syslog请求。
设置Web服务器：
module(load="imfile")
ruleset(name="remote") {
action(type="omfwd"
...