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Should a retrieval method return 'null' or throw an exception when it can't produce the return value
...h are valid for the application logic then return a null.
More important: What do you do other places in the code? Consistency is important.
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How do I import other TypeScript files?
...there are no "require" or any kind of link to the external files... from what I can see on other examples, I should do a "import moo = module("moo"); however, it does complain that there is no moo in the current scope
– Roger Johansson
Oct 17 '12 at 8:58
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Sorting multiple keys with Unix sort
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Nice! Now, what if I want fleld 3 to be numerically and reverse sorted whereas field 2 to be non-numerically and normal (ascending) sorted? :)
– Arun
Feb 16 '17 at 13:46
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Why can't I push to this bare repository?
Can you explain what is wrong with this workflow?
6 Answers
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Moving Files into a Real Folder in Xcode
... folder tree in Finder and organize your physical files into them to match what you did in step 1.
All the references in Xcode should now be red (that's OK!).
From the Identity and Type manager, select the Group in Xcode that you want to relocate, then click the folder icon from the info pane:
In...
How to generate unique ID with node.js
... in node, you only have a single thread and are supposed to use callbacks. What will happen with your code, is that base.getID query will get queued up by for execution, but the while loop will continusouly run as a busy loop pointlessly.
You should be able to solve your issue with a callback as fo...
When to use NSInteger vs. int
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You usually want to use NSInteger when you don't know what kind of processor architecture your code might run on, so you may for some reason want the largest possible integer type, which on 32 bit systems is just an int, while on a 64-bit system it's a long.
I'd stick with usi...
What is the syntax rule for having trailing commas in tuple definitions?
In the case of a single element tuple, the trailing comma is required.
10 Answers
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Is it ever advantageous to use 'goto' in a language that supports loops and functions? If so, why?
... in a goto-suppressed environment (i.e. all of us) feel better about using what morally amounts to a goto. I much prefer to see the loop where I use it and see a little goto, which by itself is just a tool, than see someone having moved the loop somewhere unrelated just to avoid a goto.
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Create a dictionary with list comprehension
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what if I have a case of list of words ['cat','dog','cat'] and I want to make a dict with key as word and value as count? Is there a short efficient syntax for that?
– cryanbhu
Jul 14 '1...