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How to know user has clicked “X” or the “Close” button?

...er X or your CloseButton, you may get it through the sender object. Try to cast sender as a Button control, and verify perhaps for its name "CloseButton", for instance. private void Form1_FormClosing(object sender, FormClosingEventArgs e) { if (string.Equals((sender as Button).Name, @"CloseButt...
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How do I find out my python path using python?

... And that problem with the separator is probably why I wasn't getting the love. Thanks for setting me straight. – Mark Ransom Sep 30 '09 at 16:03 ...
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How do I execute a program from Python? os.system fails due to spaces in path

...'re used more on unix where the general method for a shell to launch a command is to fork() and then exec() in the child. – Brian Oct 15 '08 at 11:14 1 ...
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capturing self strongly in this block is likely to lead to a retain cycle

...ple of members of self in this block, most likely just to update a slider. Casting self is overkill. Instead, it's better to be explicit and cast only the objects that you truly need inside the block. For example, if it's an instance of UISlider*, say, _timeSlider, just do the following before the b...
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os.path.dirname(__file__) returns empty

...irname(filename) + os.path.basename(filename) == filename Both dirname() and basename() only split the passed filename into components without taking into account the current directory. If you want to also consider the current directory, you have to do so explicitly. To get the dirname of the ab...
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Pythonic way to check if a file exists? [duplicate]

Which is the preferred way to check if a file exists and if not create it? 5 Answers 5...
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How to convert IEnumerable to ObservableCollection?

...ble original) { return new ObservableCollection<object>(original.Cast<object>()); } If you're working with generic IEnumerable<T> you can do it this way: public ObservableCollection<T> Convert<T>(IEnumerable<T> original) { return new ObservableCollection...
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How to get Linux console window width in Python

...mns = os.popen('stty size', 'r').read().split() uses the 'stty size' command which according to a thread on the python mailing list is reasonably universal on linux. It opens the 'stty size' command as a file, 'reads' from it, and uses a simple string split to separate the coordinates. Unlike the...
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When are you truly forced to use UUID as part of the design?

...ur major UUID versions: Version 4 UUIDs are essentially just 16 bytes of randomness pulled from a cryptographically secure random number generator, with some bit-twiddling to identify the UUID version and variant. These are extremely unlikely to collide, but it could happen if a PRNG is used or if ...
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How do I change the working directory in Python?

cd is the shell command to change the working directory. 14 Answers 14 ...