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How does the bitwise complement operator (~ tilde) work?
...representation of a number, taking its complement (inverting all the bits) and adding one. Two starts as 0000 0010, and by inverting the bits we get 1111 1101. Adding one gets us the result above. The first bit is the sign bit, implying a negative.
So let's take a look at how we get ~2 = -3:
Here's ...
Can I save the window layout in Visual Studio 2010/2012/2013?
Is there a way to save (and later revert to) a given window layout in VS2010/VS2012/2013?
5 Answers
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How do I do top 1 in Oracle?
...from MyTbl where rownum = 1
You can also use analytic functions to order and take the top x:
select max(fname) over (rank() order by some_factor) from MyTbl
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Counting inversions in an array
... find all inversion pairs such that A[i] > A[j] . I'm using merge sort and copying array A to array B and then comparing the two arrays, but I'm having a difficult time seeing how I can use this to find the number of inversions. Any hints or help would be greatly appreciated.
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.Net picking wrong referenced assembly version
I just copied an existing project to a brand new machine to start developing on it and have run into a problem with the version of one of my referenced assemblies (a telerik DLL as it happens).
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What is the EAFP principle in Python?
...mmon Python coding style assumes the existence of valid keys or attributes and catches exceptions if the assumption proves false. This clean and fast style is characterized by the presence of many try and except statements. The technique contrasts with the LBYL style common to many other languages s...
Verify if a point is Land or Water in Google Maps
..and then Google-maps "divide the waters from the waters"
18 Answers
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Redefine tab as 4 spaces
...faults, but you may want to set them defensively):
set softtabstop=0 noexpandtab
Finally, if you want an indent to correspond to a single tab, you should also use:
set shiftwidth=4
For indents that consist of 4 space characters but are entered with the tab key:
set tabstop=8 softtabstop=0 expa...
Is there a way to cache GitHub credentials for pushing commits?
...chronizing my repositories to https:// on GitHub (due to firewall issues), and it asks for a password every time.
24 Answer...
Autoresizing issue of UICollectionViewCell contentView's frame in Storyboard prototype cell (Xcode 6
...[super awakeFromNib]; Also, I'v thinking about adding a check for iOS 7.1 and less, because I'm not sure how adding these resizing masks affects default behavior on iOS8.
– GingerBreadMane
Sep 23 '14 at 14:56
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