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Using std Namespace

... Most C++ users are quite happy reading std::string, std::vector, etc. In fact, seeing a raw vector makes me wonder if this is the std::vector or a different user-defined vector. I am always against using using namespace std;. It imports all sorts of names into the glo...
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Building a minimal plugin architecture in Python

...e too, although you can do a lot with just __import__, os.listdir and some string manipulation. share | improve this answer | follow | ...
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Why do you need to invoke an anonymous function on the same line?

...ess function and groups it, but does not call it. The second line groups a string. Both do nothing. (Vincent's first example.) (function (msg){alert(msg)}); ('SO'); // nothing. (foo); (msg); //Still nothing. But (foo) (msg); //works ...
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How to free memory in Java?

...emory you may want to consider. For example, say you'd declared a List<String> at the beginning of a method which grew in size to be very large, but was only required until half-way through the method. You could at this point set the List reference to null to allow the garbage collector to p...
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Retrieving the last record in each group - MySQL

...sible_keys | key | key_len | ref | rows | Extra | +----+-------------+------------+--------+----------------------------+-------------+---------+--------------+---------+-------------+ | 1 | PRIMARY | <derived2> | ALL | NULL ...
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How to get current timestamp in milliseconds since 1970 just the way Java gets

...e 767990892 which is round 8 days after the epoch ;-). int main(int argc, char* argv[]) { struct timeval tp; gettimeofday(&tp, NULL); long long mslong = (long long) tp.tv_sec * 1000L + tp.tv_usec / 1000; //get current timestamp in milliseconds std::cout << mslong << ...
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Design patterns or best practices for shell scripts [closed]

... values. This means that you have to invent a different strategy to return string values. My strategy is to use a variable called RESULT to store the result, and returning 0 if the function completed cleanly. Also, you can raise exceptions if you are returning a value different from zero, and then ...
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How do I change tab size in Vim?

...hat's what would happen should tabs be used, rather than always delete one char at a time). To make a fully educated decision as to how to set things up, you'll need to read Vim docs on tabstop, shiftwidth, softtabstop and expandtab. The most interesting bit is found under expandtab (:help 'expandta...
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How do I write unencoded Json to my View using Razor?

...lAttendees)) In releases earlier than Beta 2 you did it like: @(new HtmlString(Json.Encode(Model.PotentialAttendees))) share | improve this answer | follow ...
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How does the Comma Operator work

...’t work since then the compiler just sees the comma operator between two char[], which cannot be overloaded. The code intentionally first calls the operator= and then subsequently operator, for each remaining element. – Konrad Rudolph Oct 9 '11 at 11:04 ...