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Drop data frame columns by name
I have a number of columns that I would like to remove from a data frame. I know that we can delete them individually using something like:
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How to make a valid Windows filename from an arbitrary string?
...g like "Foo: Bar" that I want to use as a filename, but on Windows the ":" char isn't allowed in a filename.
14 Answers
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Send string to stdin
Is there a way to effectively do this in bash:
6 Answers
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How do I run Python code from Sublime Text 2?
I want to set up a complete Python IDE in Sublime Text 2.
16 Answers
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SVN needs-lock 设置强制只读属性（官方资料） - 更多技术 - 清泛网 - 专注...
SVN needs-lock 设置强制只读属性（官方资料）Automatic lock-modify-unlockFrom SubversionWikiJump to: navigation, searchDifferent versions of binary files cannot be...Automatic lock-modify-unlock
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How do I create a random alpha-numeric string in C++?
I'd like to create a random string, consisting of alpha-numeric characters. I want to be able to be specify the length of the string.
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Why aren't variable-length arrays part of the C++ standard?
I haven't used C very much in the last few years. When I read this question today I came across some C syntax which I wasn't familiar with.
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Why is the asterisk before the variable name, rather than after the type?
Why do most C programmers name variables like this:
12 Answers
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Why are function pointers and data pointers incompatible in C/C++?
I have read that converting a function pointer to a data pointer and vice versa works on most platforms but is not guaranteed to work. Why is this the case? Shouldn't both be simply addresses into main memory and therefore be compatible?
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How to resolve “local edit, incoming delete upon update” message
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