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What is a magic number, and why is it bad? [closed]
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Magic Number Vs. Symbolic Constant: When to replace?
Magic: Unknown semantic
Symbolic Constant -> Provides both correct semantic and correct context for use
Semantic: The meaning or purpose of a thing.
"Create a constant, name it a...
Hiding the scroll bar on an HTML page
...ing the scrollbars.
http://msdn.microsoft.com/en-us/library/ie/ms534393(v=vs.85).aspx
MSDN. Basic UI properties
W3C. About non-standard scrollbar properties
MSDN. .NET ScrollBar Class
WebKit
WebKit extensions related to scroll-bar customization are:
::-webkit-scrollbar {} /* 1 *...
git merge: apply changes to code that moved to a different file
... I added some ASCII trees to clarify the approach. Regaring merge vs. rebase in that case: what I want to do is take all the changes on 'original.txt' in my branch and apply them to 'copy.txt' in the master branch, because for some reason, 'original.txt' was copied (and not moved) into 'cop...
Is there a way to detect if an image is blurry?
...plot:
The spread for the un-blurred images is a little better here (2.5 vs 3.3), mainly because this method only uses the strongest contrast in the image, while the FFT is essentially a mean over the whole image. The functions are also decreasing faster, so it might be easier to set a "blurry" th...
Get operating system info
...m/a/17907562/1415724
http://msdn.microsoft.com/en-us/library/ie/bg182625(v=vs.110).aspx
An article on MSDN Blogs
An article on NCZOnline
Although the edit was rejected (not by myself, but by some of the other editors), it's worth reading up on the links above, and to use your proper judgement.
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How do CDI and EJB compare? interact?
...pojo that becomes a "managed bean" by applying a simple single annotation, vs the model in EJB2 where a heavyweight and overly verbose XML deployment descriptor was required for each and every bean, in addition to the bean being required to implement various extremely heavyweight and for the most pa...
Why does X[Y] join of data.tables not allow a full outer join, or a left join?
...As mnel says, left/right outer join is obtained by swapping Y and X: Y[X] -vs- X[Y]. So 3 of the 4 join types are supported in that syntax, not 2, iiuc.
Adding the 4th seems a good idea. Let's say we add full=TRUE or both=TRUE or merge=TRUE (not sure the best argument name?) then it hadn't occurred...
Lock-free multi-threading is for real threading experts
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community wiki
9 revs, 2 users 97%Andras Vass
1
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What's the difference between “groups” and “captures” in .NET regular expressions?
...specifically about a .net feature not found in other regex engines (groups vs captures, see title). I don't see anything outdated here, .net is still working the same, in fact this part hasn't changed in a long while in .net. Performance is not part of the question. Yes, non capturing grouping is fa...
Single Page Application: advantages and disadvantages [closed]
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community wiki
7 revs, 3 users 68%Parv Sharma
4
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