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Javascript swap array elements
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You only need one temporary variable.
var b = list[y];
list[y] = list[x];
list[x] = b;
Edit hijacking top answer 10 years later with a lot of ES6 adoption under our belts:
Given the array arr = [1,2,3,4], you can swap values in one l...
How to compare 2 files fast using .NET?
...file, and you're checking to see if a new file is the same as the existing one, pre-computing the checksum on your "existing" file would mean only needing to do the DiskIO one time, on the new file. This would likely be faster than a byte-by-byte comparison.
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Replace multiple whitespaces with single whitespace in JavaScript string
I have strings with extra whitespaces, each time there's more than only one whitespace I'd like it be only one.
11 Answers
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C# how to create a Guid value?
One field of our struct is Guid type. How to generate a valid value for it?
11 Answers
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Prevent contenteditable adding on ENTER - Chrome
...new <div> and places the new line text in there. I don't like this one little bit.
22 Answers
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What are WSGI and CGI in plain English?
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Technically one could say there are more subtle variations than just those two, at least in as much as how the processes get started or how code gets activated within an embedded system. So one just has to be careful in generalising thin...
Concatenate two slices in Go
... only real overhead will be that it creates a new slice if you didn't have one already, like: foo(1, 2, 3, 4, 5) which will create a new slice that is will hold.
– user1106925
Sep 24 '14 at 14:00
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Fluid or fixed grid system, in responsive design, based on Twitter Bootstrap
...u need to think in terms of your ENTIRE page. Generally, you want to pick one or the other, but not both. The examples you listed in your question are, in-fact, in the same fixed-width page. In other words, the Scaffolding page is using a fixed-width layout. The fixed grid and fluid grid on the S...
Determine function name from within that function (without using traceback)
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inspect.currentframe() is one such way.
– Yuval
Sep 20 '14 at 10:47
44
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What is the best way to concatenate two vectors?
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@boycy No. It is amortized constant time to push_back one element. To push back n elements is O(n)
– Konrad Lindenbach
Mar 12 '16 at 1:47
1
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