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Why is unsigned integer overflow defined behavior but signed integer overflow isn't?

...to implement with the integer representation it used. C implementations usually used the same representation used by the CPU - so the overflow behavior followed from the integer representation used by the CPU. In practice, it is only the representations for signed values that may differ according to...
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Connection timeout for SQL server

...d, you can specify a higher connection timeout value, but I doubt that's really the issue. When you get connection timeouts, it's typically a problem with one of the following: Network configuration - slow connection between your web server/dev box and the SQL server. Increasing the timeout may c...
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Rails Observer Alternatives for 4.0

With Observers officially removed from Rails 4.0 , I'm curious what other developers are using in their place. (Other than using the extracted gem.) While Observers were certainly abused and could easily become unwieldily at times, there were many use-cases outside of just cache-clearing where they...
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Best way to get child nodes

...ference between childNodes and children, which is that childNodes contains all nodes, including text nodes consisting entirely of whitespace, while children is a collection of just the child nodes that are elements. That's really all there is to it. There is nothing unpredictable about either colle...
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Why would iterating over a List be faster than indexing through it?

...nt head -> item1 -> print item1 -> item2 -> print item2 etc. all in a single traversal, which is O(N). Now, going to the other implementation of List which is ArrayList, that one is backed by a simple array. In that case both of the above traversals are equivalent, since an array is c...
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Are memory leaks ever ok? [closed]

...forced this situation on me, it would lead me to seriously suspect the overall quality of the library in question. It would be as if I test drove a car and found a couple loose washers and nuts in one of the cupholders – it may not be a big deal in itself, but it portrays a lack of commitment to ...
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Idiomatic way to convert an InputStream to a String in Scala

...uch the same thing. Not sure why you want to get lines and then glue them all back together, though. If you can assume the stream's nonblocking, you could just use .available, read the whole thing into a byte array, and create a string from that directly. ...
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How do I read an attribute on a class at runtime?

...d be further generalized by extending MemberInfo, a base class of Type and all - or at least most - of a Type's members. Doing so would open this up to allow reading attributes from Properties, Fields, and even Events. – M.Babcock Aug 12 '14 at 1:54 ...
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Best practices for catching and re-throwing .NET exceptions

... that bombs here } catch (Exception ex) { throw; } throw ex; is basically like throwing an exception from that point, so the stack trace would only go to where you are issuing the throw ex; statement. Mike is also correct, assuming the exception allows you to pass an exception (which is recom...
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Wget output document and headers to STDOUT

... -S option wasn't supported on my alpine linux container. I omitted it and all was good – Christian Bongiorno Jan 31 '17 at 17:37 1 ...