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Error-Handling in Swift-Language

...in AFNetworking: var sessionManager = AFHTTPSessionManager(baseURL: NSURL(string: "yavin4.yavin.planets")) sessionManager.HEAD("/api/destoryDeathStar", parameters: xwingSquad, success: { (NSURLSessionDataTask) -> Void in println("Success") }, failure:{ (NSURLSessionDataTask, ...
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How to copy a row and insert in same table with a autoincrement field in MySQL?

...INFORMATION_SCHEMA ... I wonder if you could do it as a sub-query and some string functions? Hmmm... – Yzmir Ramirez Feb 6 '12 at 6:35 1 ...
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NOT IN vs NOT EXISTS

...der Details] contains any NULL ProductIds is to return no results. See the extra anti semi join and row count spool to verify this that is added to the plan. If Products.ProductID is also changed to become NULL-able the query then becomes SELECT ProductID, ProductName FROM Products p WH...
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Container-fluid vs .container

...s as you change the width of your window/browser by any amount, leaving no extra empty space on the sides ever, unlike how .container does. (Hence the naming: "fluid" as opposed to "digital", "discrete", "chunked", or "quantized"). .container resizes in chunks at several certain widths. In other wo...
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What is stability in sorting algorithms and why is it important?

...r if you have two input lists A,B which are identical except list B has an extra entry, the outputs for a stable sort will be identical except that B has that same extra entry. And +1 for last pgph. – greggo Feb 10 '13 at 1:43 ...
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How to print third column to last column?

...e the same between all columns, but there have to be EXACTLY ONE delimiter character between columns. So if you are dealing with programs that align their output with delimiters, it is better to use awk. – sknaumov Aug 21 '12 at 12:40 ...
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Get the first item from an iterable that matches a condition

...for x in the_iterable if x > 3), default_value) Note that you need an extra pair of parentheses around the generator expression in this case − they are needed whenever the generator expression isn't the only argument. I see most answers resolutely ignore the next built-in and so I assume tha...
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When should I use nil and NULL in Objective-C?

...ke a C pointer) in Objective-C. Like nil , NULL got no value nor address. char *myChar = NULL; struct MyStruct *dStruct = NULL; So if there is a situation, when I need to check my struct (structure type variable) is empty or not then, I will use: if (dStruct == NULL) NSLog("The struct is emp...
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How to unzip a file using the command line? [closed]

...zip Complete set of options for the jar tool available here. Examples: Extract jar file jar x[v]f jarfile [inputfiles] [-Joption] jar x[v] [inputfiles] [-Joption] share | improve this ...
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Should I always return IEnumerable instead of IList?

...ormation but once again, why would you throw away information? If you know extra information about something, pass it on. – Mel Oct 20 '11 at 12:13 ...