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Mod of negative number is melting my brain
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@RuudLenders: No. If x = -5 and m = 2, then r = x%m is -1, after which r+m is 1. The while loop is not needed. The point is that (as I wrote in the answer), x%m is always strictly greater than -m, so you need to add m at most once to make it positive.
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What does InitializeComponent() do, and how does it work in WPF?
What does InitializeComponent() do, and how does it work in WPF?
2 Answers
2
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Representing and solving a maze given an image
What is the best way to represent and solve a maze given an image?
10 Answers
10
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What is the difference between .cc and .cpp file suffix? [duplicate]
What is the difference between .cc and .cpp file extensions?
4 Answers
4
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Why would one use REST instead of SOAP based services? [closed]
...son (nor was one presented) why REST is in anyway better or simpler to use and implement than a SOAP based Services stack.
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Returning 'IList' vs 'ICollection' vs 'Collection'
...bout which collection type that I should return from my public API methods and properties.
6 Answers
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Changing capitalization of filenames in Git
...these two names refer to the same path from the filesystem's point of view and requires the user to give "--force" when correcting the case of the path recorded in the index and in the next commit.
Detect this case and allow it without requiring "--force".
git mv hello.txt Hello.txt just works...
SQL update fields of one table from fields of another one
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You can use the non-standard FROM clause.
UPDATE b
SET column1 = a.column1,
column2 = a.column2,
column3 = a.column3
FROM a
WHERE a.id = b.id
AND b.id = 1
share
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Should MySQL have its timezone set to UTC?
...urrent timezone, know the timezone of the datetime columns that you store, and are aware of the issues with daylight savings time.
On the other hand if you have control of the timezones of the servers you work with then you can have everything set to UTC internally and never worry about timezones a...
Xcode 4 hangs at “Attaching to (app name)”
I just upgraded to Xcode 4 and for some reason my app won't run in the simulator or iOS device. It was working perfectly in Xcode 3, but all of a sudden now when I press run the program stops at "Attaching to...". There doesn't seem to be any other info to help with this problem either.
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