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What are the details of “Objective-C Literals” mentioned in the Xcode 4.4 release notes?
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Copied verbatim from http://cocoaheads.tumblr.com/post/17757846453/objective-c-literals-for-nsdictionary-nsarray-and:
Objective-C literals: one can now create literals for NSArray, NSDictionary, and NSNumber (just like one can create ...
Why does Python code use len() function instead of a length method?
...hon has a len() function that is used to determine the size of a string, but I was wondering why it's not a method of the string object.
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How to do a non-greedy match in grep?
I want to grep the shortest match and the pattern should be something like:
7 Answers
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Right way to initialize an OrderedDict using its constructor such that it retains order of initial d
...ed data to it to initialize is to pass a list (or, more generally, an iterable) of key-value pairs, as in your last two examples. As the documentation you linked to says, the OrderedDict does not have access to any order when you pass in keyword arguments or a dict argument, since any order there i...
How to calculate moving average using NumPy?
There seems to be no function that simply calculates the moving average on numpy/scipy, leading to convoluted solutions .
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Can you create nested WITH clauses for Common Table Expressions?
Does something like this work? I tried it earlier but I couldn't get it to work.
7 Answers
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in_array() and multidimensional array
I use in_array() to check whether a value exists in an array like below,
22 Answers
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Apply formula to the entire column
I'm trying to recode all the zip code from Column A into Column B with the formula:
10 Answers
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Why doesn't C have unsigned floats?
I know, the question seems to be strange. Programmers sometimes think too much. Please read on...
12 Answers
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Is there any way to see the file system on the iOS simulator?
Is there any way to browse the file system of a currently running or just killed iOS simulator? I'd settle for being able to see a specific app's files if there's a way to do that.
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