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Writing a list to a file with Python
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What are you going to do with the file? Does this file exist for humans, or other programs with clear interoperability requirements?
If you are just trying to serialize a list to disk for later use by the same python app, yo...
Setting environment variables on OS X
What is the proper way to modify environment variables like PATH in OS X?
31 Answers
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NSInvocation for Dummies?
...er uses NSInvocation objects so that it can reverse commands. Essentially, what you are doing is creating an NSInvocation object to say: "Hey, if you want to undo what I just did, send this message to that object, with these arguments". You give the NSInvocation object to the NSUndoManager, and it a...
How to check if a string starts with a specified string? [duplicate]
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The advantage over the substr() approach is that strncmp() just does what needs to be done, without creating a temporary string.
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Java 8 Distinct by property
...er. Here is a function that returns a predicate that maintains state about what it's seen previously, and that returns whether the given element was seen for the first time:
public static <T> Predicate<T> distinctByKey(Function<? super T, ?> keyExtractor) {
Set<Object> s...
registerForRemoteNotificationTypes: is not supported in iOS 8.0 and later
...d to get permission to show one. This is described in the WWDC 2014 video "What's New in iOS Notifications"
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Do I need to explicitly call the base virtual destructor?
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What about pure virtual destructors? My linker is trying to call it at the end of my inherited class's non-virtual destructor;
– cjcurrie
Feb 5 '13 at 5:42
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“Cloning” row or column vectors
... In the second section ("repeating columns"), can you explain what the second set of square bracket does, i.e. [[1,2,3]]
– Ant
Jan 9 '17 at 0:51
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Catch multiple exceptions at once?
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Not sure what was wrong with the OP's code in the first place. The #1 accepted answer is almost twice as many lines and far less readable.
– João Bragança
Sep 4 '12 at 21:57
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Set cursor position on contentEditable
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Do you know what, forget my last response, after further examining both yours and Nico's, yours is not what I asked for in my description, but is what I prefer and would have realised I need. Yours correctly sets the position of the cur...