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Longest line in a file
... the longest line in a file. Ideally, it would be a simple bash shell command instead of a script.
14 Answers
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Move capture in lambda
...ref( T && x )
{
return rref_impl<T>{ std::move(x) };
}
And here's a test case for that function that ran successfully on my gcc 4.7.3.
int main()
{
std::unique_ptr<int> p{new int(0)};
auto rref = make_rref( std::move(p) );
auto lambda =
[rref]() mutabl...
Using awk to remove the Byte-order mark
... So: awk '{if(NR==1)sub(/^\xef\xbb\xbf/,"");print}' INFILE > OUTFILE and make sure INFILE and OUTFILE are different!
– Steve Clay
Feb 12 '10 at 20:30
1
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Selecting the first “n” items with jQuery
...ave a large result set to start with. Unfortunately, when evaluating ":lt" and other positional selectors, jQuery loops through the entire set, even if it's just getting the first element. I've written more about this on my blog here: spadgos.com/?p=51
– nickf
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What is the correct way to get a subarray in Scala?
I am trying to get a subarray in scala, and I am a little confused on what the proper way of doing it is. What I would like the most would be something like how you can do it in python:
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Javascript Thousand Separator / string format [duplicate]
Is there any function in Javascript for formatting number and strings ?
15 Answers
15
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What is more efficient? Using pow to square or just multiply it with itself?
What of these two methods is in C more efficient? And how about:
7 Answers
7
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How do I write data into CSV format as string (not file)?
...Writer:
This module implements a file-like class, StringIO, that reads and writes a string buffer (also known as memory files).
There is also cStringIO, which is a faster version of the StringIO class.
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Return empty cell from formula in Excel
...A, then. You'll iterate over the cells in your range, test the condition, and delete the contents if they match.
Something like:
For Each cell in SomeRange
If (cell.value = SomeTest) Then cell.ClearContents
Next
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Print an integer in binary format in Java
I have a number and I want to print it in binary. I don't want to do it by writing an algorithm, Is there any built-in function for that in Java?
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