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Check if directory mounted with bash

...herefore should not be accepted as the answer. This answer should be voted down. You cannot depend on mount | grep ... showing you that your mount bind is still active. If the underlying device is unmounted and remounted, the mount bind will actually no longer connect the two files/directories eve...
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Volatile boolean vs AtomicBoolean

...ized blocks, whatever suits me best. In many concurrent scenarios it boils down to get the value, compare it with another one and update if necessary, hence the compareAndSet and getAndSet methods present in the Atomic* classes. Check the JavaDocs of the java.util.concurrent.atomic package for a l...
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Fully custom validation error message with Rails

... Related to the accepted answer and another answer down the list: I'm confirming that nanamkim's fork of custom-err-msg works with Rails 5, and with the locale setup. You just need to start the locale message with a caret and it shouldn't display the attribute name in the ...
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How do emulators work and how are they written? [closed]

... resources: Zophar -- This is where I got my start with emulation, first downloading emulators and eventually plundering their immense archives of documentation. This is the absolute best resource you can possibly have. NGEmu -- Not many direct resources, but their forums are unbeatable. RomHacki...
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Logging uncaught exceptions in Python

... Hi, How can we write down to file like debug.log this info. i try it to add line logging.basicConfig(level=logging.DEBUG, filename="debug.log", format='%(asctime)s - %(name)s - %(levelname)s - %(message)s') But didn't help. –...
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Pass an array of integers to ASP.NET Web API?

...der and then provide a default constructor that pushes the type definition down to the base class: public CommaDelimitedArrayModelBinder() : base(typeof(CommaDelimitedArrayModelBinder)) { }. – sliderhouserules Jan 11 '16 at 22:49 ...
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0.1 float is greater than 0.1 double. I expected it to be false [duplicate]

...tation of 0.1 in IEEE-754 - there are two. Either rounding the last digit down or up would be valid. This difference can and does actually occur, because x86 does not use 64-bits for its internal floating-point computations; it actually uses 80-bits! This is called double extended-precision. So,...
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Generate GUID in MySQL for existing Data?

... to a MySQL table and I have a column "GUID" that I want to basically fill down all existing rows with new and unique random GUID's. ...
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jQuery click events firing multiple times

...rite a video poker game in Javascript as a way of getting the basics of it down, and I've run into a problem where the jQuery click event handlers are firing multiple times. ...
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Remove empty space before cells in UITableView

... Do the cells of the UITableView show on the empty space when you scroll down? If so, then the problem might be the inset that is added to the UITableView because of the Navigation controller you have in your view. The inset is added to the table view in order for the content to be placed below t...