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Add file extension to files with bash

... second one adds an extension on all files, not just extensionless ones – Jeff Mar 24 '15 at 15:55 5 ...
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How can I get current location from user in iOS

...@end MainFile In the init method locationManager = [[CLLocationManager alloc] init]; locationManager.delegate = self; locationManager.distanceFilter = kCLDistanceFilterNone; locationManager.desiredAccuracy = kCLLocationAccuracyBest; [locationManager startUpdatingLocation]; Callback function -...
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How to get the input from the Tkinter Text Widget?

...he end of the text box is reached. The only issue with this is that it actually adds a newline to our input. So, in order to fix it we should change END to end-1c(Thanks Bryan Oakley) The -1c deletes 1 character, while -2c would mean delete two characters, and so on. def retrieve_input(): input...
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Calling a function of a module by using its name (a string)

What is the best way to go about calling a function given a string with the function's name in a Python program. For example, let's say that I have a module foo , and I have a string whose content is "bar" . What is the best way to call foo.bar() ? ...
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How to create a video from images with FFmpeg?

...pix_fmt yuv420p out.ogg Your images should of course be sorted alphabetically, typically as: 0001-first-thing.jpg 0002-second-thing.jpg 0003-and-third.jpg and so on. I would also first ensure that all images to be used have the same aspect ratio, possibly by cropping them with imagemagick or n...
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Drop all tables whose names begin with a certain string

How can I drop all tables whose names begin with a given string? 14 Answers 14 ...
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How can I count the occurrences of a list item?

...1, 4, 1].count(1) 3 Don't use this if you want to count multiple items. Calling count in a loop requires a separate pass over the list for every count call, which can be catastrophic for performance. If you want to count all items, or even just multiple items, use Counter, as explained in the othe...
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`Apache` `localhost/~username/` not working

...s: <Directory "/Users/kevin/Sites/"> Options Indexes MultiViews AllowOverride None Require all granted </Directory> Make sure to restart the Apache server afterwards with: sudo apachectl restart share ...
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Standardize data columns in R

I have a dataset called spam which contains 58 columns and approximately 3500 rows of data related to spam messages. 15 ...
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Capture keyboardinterrupt in Python without try-except

...re some way in Python to capture KeyboardInterrupt event without putting all the code inside a try - except statement? ...