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What are some uses of template template parameters?

....2, 3.3, 4.4 }; std::cout << vf << '\n'; std::list<char> lc { 'a', 'b', 'c', 'd' }; std::cout << lc << '\n'; std::deque<int> di { 1, 2, 3, 4 }; std::cout << di << '\n'; return 0; } Output std::ostream &operator<<...
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HTML select form with option to enter custom value

...users can enter custom text value or choose from drop down. A regular <select> only offers drop down options. 6 Ans...
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Clear form fields with jQuery

... A small tip: this selector won't select input elements that are relying on the implicit type=text, you must explicitly include the type=text on your markup. That may be obvious, but it wasn't to me, just now :-) – Elbin ...
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How do you select a particular option in a SELECT element in jQuery?

... A selector to get the middle option-element by value is $('.selDiv option[value="SEL1"]') For an index: $('.selDiv option:eq(1)') For a known text: $('.selDiv option:contains("Selection 1")') EDIT: As commented above t...
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Should MySQL have its timezone set to UTC?

...the timezone will not change the stored datetime or timestamp, but it will select a different datetime from timestamp columns Warning! UTC has leap seconds, these look like '2012-06-30 23:59:60' and can be added randomly, with 6 months prior notice, due to the slowing of the earths rotation GMT con...
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What is meant by immutable?

...omething like this: // Assume string is stored like this: struct String { char* characters; unsigned int length; }; // Passing pointers because Java is pass-by-reference struct String* substring(struct String* in, unsigned int begin, unsigned int end) { struct String* out = malloc(sizeof(struc...
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How to check type of variable in Java?

... System.out.println(x + " is an double"); } void printType(char x) { System.out.println(x + " is an char"); } } then: Typetester t = new Typetester(); t.printType( yourVariable ); share ...
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Row Offset in SQL Server

... I would avoid using SELECT *. Specify columns you actually want even though it may be all of them. SQL Server 2005+ SELECT col1, col2 FROM ( SELECT col1, col2, ROW_NUMBER() OVER (ORDER BY ID) AS RowNum FROM MyTable ) AS MyDerivedTable...
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How to pass an array into a SQL Server stored procedure

...WithEmployees @List AS dbo.IDList READONLY AS BEGIN SET NOCOUNT ON; SELECT ID FROM @List; END GO Now in your C# code: // Obtain your list of ids to send, this is just an example call to a helper utility function int[] employeeIds = GetEmployeeIds(); DataTable tvp = new DataTable(); tvp.C...
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Create tap-able “links” in the NSAttributedString of a UILabel?

...tureRecognizer:[[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(handleTapOnLabel:)]]; Now the most sophisticated stuff: finding out whether the tap was on where the link is displayed and not on any other portion of the label. If we had single-lined UILabel, this task could be ...