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Avoiding if statement inside a for loop?
I have a class called Writer that has a function writeVector like so:
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How to add an empty column to a dataframe?
What's the easiest way to add an empty column to a pandas DataFrame object? The best I've stumbled upon is something like
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How to index characters in a Golang string?
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linux 下巧妙使用squid代理服务器 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...网络应用研究室（the National Laboratory for Applied Network Research）的Duane Wessels主持，由NSF出资支持的。
Squid的另一个优越性在于它使用访问控制列表（ACL）和访问权限列表（ARL）进行权限管理和内容过滤。访问控制清单和访问权...
How do I find the location of my Python site-packages directory?
How do I find the location of my site-packages directory?
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How do I make python wait for a pressed key?
I want my script to wait until the user presses any key.
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Determine the data types of a data frame's columns
I'm using R and have loaded data into a dataframe using read.csv() . How do I determine the data type of each column in the data frame?
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Passing command line arguments to R CMD BATCH
I have been using R CMD BATCH my_script.R from a terminal to execute an R script. I am now at the point where I would like to pass an argument to the command, but am having some issues getting it working. If I do R CMD BATCH my_script.R blabla then blabla becomes the output file, rather th...