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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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When is assembly faster than C?
One of the stated reasons for knowing assembler is that, on occasion, it can be employed to write code that will be more performant than writing that code in a higher-level language, C in particular. However, I've also heard it stated many times that although that's not entirely false, the cases wh...
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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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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Can I combine :nth-child() or :nth-of-type() with an arbitrary selector?
...ere a way to select every nth child that matches (or does not match) an arbitrary selector ? For example, I want to select every odd table row, but within a subset of the rows:
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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 ...
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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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...
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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What are the new documentation commands available in Xcode 5? [closed]
One of Xcode 5's new features is the ability to document your own code with a special comment syntax. The format is similar to doxygen, but appears to only support a subset of those features .
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