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grepping using the “|” alternative operator
... argh, just realised I was following the wrong regex tutorial for use in grep. I can't seem to find a good grep one anywhere. Thanks for this!
– MattLBeck
Jul 21 '11 at 12:30
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Regular expression to return text between parenthesis
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For Igor's question: if you have nested parenthesis like that, you use rfind for the second part of the operation. See my post below for more details on this.
– FaustoW
Feb 17 '17 at 20:...
What do you call the -> operator in Ruby?
...alent to the following one.
succ = lambda { |x| x + 1 }
succ.call(2)
Informally, I have heard it being called stabby lambda or stabby literal.
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Error in SQL script: Only one statement is allowed per batch
... run in a DACPAC in PostDeployment, but when I try to build the VS project for 3 of them I get this error:
3 Answers
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How to check if object (variable) is defined in R?
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Might get a bit trickier if checking for list elements: stackoverflow.com/q/7719741
– TMS
Sep 20 '14 at 11:58
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socket.emit() vs. socket.send()
.../socket.io/blob/master/lib/socket.js#L318). Maybe it's historical and just for backwards compatibility.
– Charles
Jul 20 '12 at 6:53
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What does iterator->second mean?
... it = m.begin();
Here, if you now do *it, you will get the the std::pair for the first element in the map.
Now the type std::pair gives you access to its elements through two members: first and second. So if you have a std::pair<X, Y> called p, p.first is an X object and p.second is a Y obj...
cout is not a member of std
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also it has to be included after stdafx.h, not before
– Alex
Apr 15 '18 at 20:30
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How do you move a commit to the staging area in git?
...ms in the git-reset docs
If you are on Windows you might need to use this format:
git reset --soft HEAD~1
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How can you hide database output in Rails console?
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Ok, the solution works for me with webrick but you might be using other server or running in production or testing modes?
– madth3
Oct 21 '11 at 0:48
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