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How do I specify new lines on Python, when writing on files?

... It depends on how correct you want to be. \n will usually do the job. If you really want to get it right, you look up the newline character in the os package. (It's actually called linesep.) Note: when writing to files using the Python API, do not use the os.linesep. Just use ...
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How far can memory leaks go?

I've run into memory leaks many times. Usually when I'm malloc -ing like there's no tomorrow, or dangling FILE * s like dirty laundry. I generally assume (read: hope desperately) that all memory is cleaned up at least when the program terminates. Are there any situations where leaked memory won't ...
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How do I copy a file in Python?

... Note that not all metadata will be copied, depending on your platform. – Kevin Horn Oct 19 '09 at 20:50 14 ...
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What is the best way to detect a mobile device?

...igator.userAgent.toLowerCase())); Now $.browser will return "device" for all above devices Note: $.browser removed on jQuery v1.9.1. But you can use this by using jQuery migration plugin Code A more thorough version: var isMobile = false; //initiate as false // device detection if(/(android|b...
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How to add leading zeros for for-loop in shell? [duplicate]

... that this feature got introduced with bash-4.0-alpha: Brace expansion now allows zero-padding of expanded numeric values and will add the proper number of zeroes to make sure all values contain he same number of digits.). – Adrian Frühwirth Feb 13 '15 at 18:5...
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How to build for armv6 and armv7 architectures with iOS 5

... had to make some modifications so it would work correctly under iOS5, but all those changes were done with iOS4-friendly code changes. We also added some iOS5-specific capabilities in a manner that allows the app to run without crashing under iOS4. Specifically, we tested for iOS5 capabilities bef...
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How to terminate a python subprocess launched with shell=True

... Use a process group so as to enable sending a signal to all the process in the groups. For that, you should attach a session id to the parent process of the spawned/child processes, which is a shell in your case. This will make it the group leader of the processes. So now, when a ...
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How to make the hardware beep sound in Mac OS X 10.6

...ble hardware. Before most computers had sound cards, most machines had a small speaker or piezo buzzer connected to one of the channels of a timer chip. This could be used to generate simple tones or beeps. Even after many computers integrated sound cards, it remained common for quite some time for ...
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Xcode is not currently available from the Software Update server

I have problems with my macport after update to OS X 10.9. 13 Answers 13 ...
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Alarm Manager Example

... I tried the solution from XXX and while it did initially work, at some point it stopped working. The onReceive never got called again. I spent hours trying to figure out what it could be. What I came to realize is that the Intent for whatever mysterious reason was no longer be...