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How do I raise the same Exception with a custom message in Python?

...ssign a special meaning to the elements of this tuple, while others are usually called only with a single string giving an error message.". So the code won't work arg[0] is not an error message (it could be an int, or it could be a string representing a file name). – Trent ...
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is there a css hack for safari only NOT chrome?

...3 (early 2020 Update) * PLEASE PLEASE -- If you are having trouble, and really want to get help or help others by posting a comment about it, Post Your Browser and Device (MacBook/IPad/etc... with both browser and OS version numbers!) Claiming none of these work is not accurate (and actually not ev...
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What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?

...ch should help beginners (and intermediate) programmers to recognize and challenge their unwarranted assumptions in C, C++ and their platforms. ...
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How do I count a JavaScript object's attributes? [duplicate]

...ry object in JavaScript derives from — includes many attributes automatically, and the exact set of attributes you get depends on the particular interpreter and what code has executed before yours. So, you somehow have to separate the ones you defined from those you got "for free." Here's one way...
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Catch an exception thrown by an async void method

...ET, is it possible to catch an exception thrown by an async method in the calling method? 6 Answers ...
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No mapping found for field in order to sort on in ElasticSearch

... I still have the problem but I want the documents to be in the results in all cases even if they don't have the attribute. – c4k Oct 27 '13 at 15:47 ...
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UITableViewCell, show delete button on swipe

... During startup in (-viewDidLoad or in storyboard) do: self.tableView.allowsMultipleSelectionDuringEditing = NO; Override to support conditional editing of the table view. This only needs to be implemented if you are going to be returning NO for some items. By default, all items are editable....
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Download the Android SDK components for offline install

Is it possible to download the Android SDK components for offline install without using the SDK Manager? The problem is I am behind a firewall which I have no control over and both sites download URLs seem to be blocked (throws a connection refused exception) ...
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Changing password with Oracle SQL Developer

... answered Feb 4 '13 at 22:21 NiallNiall 1,06911 gold badge77 silver badges33 bronze badges ...
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Are lists thread-safe?

... data is not protected. For example: L[0] += 1 is not guaranteed to actually increase L[0] by one if another thread does the same thing, because += is not an atomic operation. (Very, very few operations in Python are actually atomic, because most of them can cause arbitrary Python code to be call...