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The “backspace” escape character '\b': unexpected behavior?

...our terminal is interpeting the \b and \n codes. Redirect the output to a file and I bet you get something else entirely. Although you may have to look at the file's bytes to see the difference. [edit] To elaborate a bit, this printf emits a sequence of bytes: hello worl^H^Hd^J, where ^H is ASCI...
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Calling pylab.savefig without display in ipython

I need to create a figure in a file without displaying it within IPython notebook. I am not clear on the interaction between IPython and matplotlib.pylab in this regard. But, when I call pylab.savefig("test.png") the current figure get's displayed in addition to being saved in test.png . When...
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When maven says “resolution will not be reattempted until the update interval of MyRepo has elapsed”

...vn -U clean install where -U will force update the repo or use <profiles> <profile> ... <repositories> <repository> <id>myRepo</id> <name>My Repository</name> <releases> <e...
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Dispelling the UIImage imageNamed: FUD

...gest thing that +imageNamed: does is decode the image data from the source file, which almost always significantly inflates the data size (for example, a screen sized PNG file might consume a few dozen KBs when compressed, but consumes over half a MB decompressed - width * height * 4). By contrast +...
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How dangerous is it to access an array out of bounds?

...d, I've seen lots of weird things happen on computers I've used (corrupted files, unrecoverable system errors, etc.), and I have no idea how many of them might have been caused by some C program exhibiting the dreaded undefined behavior. (So far no actual demons have flown out of my nose.) ...
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How to use ADB Shell when Multiple Devices are connected? Fails with “error: more than one device an

...e 'more than one device' error, with 2 offline phones showing: C:\Program Files (x86)\Android\android-sdk\android-tools>adb devices List of devices attached SH436WM01785 offline SH436WM01785 offline SH436WM01785 sideload If you only have one device connected, run the following command...
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Configuring Vim for C++

...e Real time syntax checking: Syntastic Switching between source and header file: A plugin Snippets: Snipmate or UltiSnip Search for reference of variables, functions, classes, etc.: Cscope Go to definition: Ctags or part of YouCompleteMe subcommands mentioned above Refactoring tools: Refactor, lh-re...
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How using try catch for exception handling is best practice

...ogy message (winforms) For a Service or a Console application: log it to a file (service or console) Then I always enclose every piece of code that is run externally in try/catch : All events fired by the Winforms infrastructure (Load, Click, SelectedChanged...) All events fired by third party ...
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What is InnoDB and MyISAM in MySQL?

...current inserts: If a table has no free blocks in the middle of the data file, you can INSERT new rows into it at the same time that other threads are reading from the table. MySqlDoc That is why, MyISAM is faster and takes less space. For instance, the MySQL MyISAM Storage Engine does not sup...
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How can I get current location from user in iOS

...anagerDelegate> { CLLocationManager *locationManager; } @end MainFile In the init method locationManager = [[CLLocationManager alloc] init]; locationManager.delegate = self; locationManager.distanceFilter = kCLDistanceFilterNone; locationManager.desiredAccuracy = kCLLocationAccuracyBest;...