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What is the Objective-C equivalent for “toString()”, for use with NSLog?
...o grahamparks):
- (NSString *)description {
return [NSString stringWithFormat: @"Photo: Name=%@ Author=%@", name, author];
}
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Clicking the back button twice to exit an activity
...e quick solution/answer but I don't agree that it's the best solution. And for the ones who think this will be best answer again I can't agree. These solution causes leaks and will require extra effort for handling. Check the aswers below for further details.
– Saro Taşciyan
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Python: using a recursive algorithm as a generator
... problem came with a natural recursive solution. Now it happens that, even for relatively small input, the sequences are several thousands, thus I would prefer to use my algorithm as a generator instead of using it to fill a list with all the sequences.
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How to compare Lists in Unit Testing
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I tried the other answers in this thread, and they didn't work for me and I was comparing collections of objects that had the same values stored in their properties, but the objects were different.
Method Call :
CompareIEnumerable(to, emailDeserialized.ToIndividual,
(x, y) ...
What to do Regular expression pattern doesn't match anywhere in string?
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Contrary to all the answers here, for what you're trying to do regex is a perfectly valid solution. This is because you are NOT trying to match balanced tags-- THAT would be impossible with regex! But you are only matching what's in one tag, and that's perfec...
How do I revert to a previous package in Anaconda?
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For the case that you wish to revert a recently installed package that made several changes to dependencies (such as tensorflow), you can "roll back" to an earlier installation state via the following method:
conda list --re...
Mongo: find items that don't have a certain field
How to search for documents in a collection that are missing a certain field in MongoDB?
2 Answers
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List All Redis Databases
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There is no command to do it (like you would do it with MySQL for instance). The number of Redis databases is fixed, and set in the configuration file. By default, you have 16 databases. Each database is identified by a number (not a name).
You can use the following command to know the...
Difference between addSubview and insertSubview in UIView class
...view is added: whether it is the frontmost view (addSubview:), or it is before the 5th subview, (insertSubview:atIndex:) or if it is immediately behind another subview (insertSubview:aboveSubview:).
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Shorthand way for assigning a single field in a record, while copying the rest of the fields?
...ildCards extension can be nice as well, to “unpack” fields in a scope. For updates it’s not quite as nice though: incrementA x@Foo{..} = x { a = succ a }
– Jon Purdy
Feb 19 '13 at 14:14
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