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Get the closest number out of an array

I have a number from minus 1000 to plus 1000 and I have an array with numbers in it. Like this: 20 Answers ...
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What is the difference between char s[] and char *s?

...o world"; will place "Hello world" in the read-only parts of the memory, and making s a pointer to that makes any writing operation on this memory illegal. While doing: char s[] = "Hello world"; puts the literal string in read-only memory and copies the string to newly allocated memory on the...
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Can't install PIL after Mac OS X 10.9

I've just updated my Mac OS to 10.9 and I discovered that some (all?) of my Python modules are not here anymore, especially the Image one. ...
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How to get disk capacity and free space of remote computer

...ct Size,FreeSpace $disk.Size $disk.FreeSpace To extract the values only and assign them to a variable: $disk = Get-WmiObject Win32_LogicalDisk -ComputerName remotecomputer -Filter "DeviceID='C:'" | Foreach-Object {$_.Size,$_.FreeSpace} ...
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How accurate is python's time.sleep()?

... Yes you are right, I tried with Linux 2.6.24-24 and was able to get pretty close to 1000 Hz update rates. At the time I was doing this I was also running the code on Mac and Windows, so I probably got confused. I know windows XP at least has a tick rate of about 10ms. ...
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Python exit commands - why so many and when should each be used?

It seems that python supports many different commands to stop script execution. The choices I've found are: quit() , exit() , sys.exit() , os._exit() ...
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How can I remove a trailing newline?

... Try the method rstrip() (see doc Python 2 and Python 3) >>> 'test string\n'.rstrip() 'test string' Python's rstrip() method strips all kinds of trailing whitespace by default, not just one newline as Perl does with chomp. >>> 'test string \n \r\...
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Finding Number of Cores in Java

...r of available processors should therefore occasionally poll this property and adjust their resource usage appropriately." source – JW. Jun 16 '12 at 9:38 ...
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What are the effects of exceptions on performance in Java?

Question: Is exception handling in Java actually slow? 18 Answers 18 ...
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How to implement a binary tree?

... if val == node.v: return node elif (val < node.v and node.l is not None): self._find(val, node.l) elif (val > node.v and node.r is not None): self._find(val, node.r) def deleteTree(self): # garbage collector will do this for u...