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Regex lookahead for 'not followed by' in grep
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Verified, correct answer should be combining this answer and @NHDaly's comment. For example, this command works for me: grep -P '^.*contains((?!but_not_this).)*$' *.log.* >"D:\temp\result.out"
– wangf
May 29 '15 at 2...
Difference between is and as keyword
...ons, such as user-defined conversions, are not considered."(msdn.microsoft.com/en-us/library/scekt9xw.aspx). About as: "Note that the as operator performs only reference conversions, nullable conversions, and boxing conversions. The as operator can't perform other conversions, such as user-defined c...
Insert Unicode character into JavaScript
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How to select rows with one or more nulls from a pandas DataFrame without listing columns explicitly
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1 True
2 True
3 False
4 False
leading to the rather compact:
In [60]: df[pd.isnull(df).any(axis=1)]
Out[60]:
0 1 2
1 0 NaN 0
2 0 0 NaN
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How do I add files without dots in them (all extension-less files) to the gitignore file?
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You can try a combination similar to:
*
!/**/
!*.*
That gitignore exclusion rule (a negated pattern) should ignore all files, except the ones with an extension.
As mentioned below by Mad Physicist, the rule is:
It is not possible to r...
How to decompile a whole Jar file? [closed]
Does anyone know of a free decompiler that can decompile an entire Jar file instead of a single class? I have a problem with sub classes like name$1.class name$2.class name.class
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node.js, socket.io with SSL
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we do this. we goto https : // www.thebitcoinwheel.com and it still makes a request to http automatically, this is something with the socket.io code and is the point of the question.
– Beyond
Jul 6 '11 at 18:38
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'typeid' versus 'typeof' in C++
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C++ language has no such thing as typeof. You must be looking at some compiler-specific extension. If you are talking about GCC's typeof, then a similar feature is present in C++11 through the keyword decltype. Again, C++ has no such typeof keyword.
typeid is a C++ language operator which retu...