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Convert Rows to columns using 'Pivot' in SQL Server

..., 212), (105, 2, 78), (109, 2, 97), (105, 3, 60), (102, 3, 123), (101, 3, 220), (109, 3, 87); If your values are known, then you will hard-code the query: select * from ( select store, week, xCount from yt ) src pivot ( sum(xcount) for week in ([1], [2], [3]) ) pi...
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How to convert std::string to lower case?

...aracters allowed in the french language. For instance a string 'Test String123. É Ï\n' will be converted to : 'test string123. É Ï\n' although characters É Ï and their lower case couterparts 'é' and 'ï', are allowed in french. It seems that no solution for that was provided by other message...
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Get users by name property using Firebase

...: Write to Firebase with a unique, known key: ref.child('users').child('123').set({ "first_name": "rob", "age": 28 }) Append to lists with an auto-generated key that will automatically sort by time written: ref.child('users').push({ "first_name": "rob", "age": 28 }) Listen for changes in data ...
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Should struct definitions go in .h or .c file?

...r version: #include "api.h" void good(struct s *foo) { api_func(foo, 123); } This one pokes around in the implementation details: #include "api.h" void bad(struct s *foo) { foo->internal = 123; } which will work with the "definition in header" version, but not with the "definition...
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Android: Difference between Parcelable and Serializable?

...ited Nov 27 '15 at 19:06 hichris123 9,5151212 gold badges5050 silver badges6666 bronze badges answered Mar 12 '14 at 11:44 ...
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Fastest way to check if a string is JSON in PHP?

... $phone = '021234567'; var_dump(isJson($phone)); return true no! it should return false. – vee Jan 2 '14 at 17:12 ...
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Understanding prototypal inheritance in JavaScript

...e another place i can read this article? – shockawave123 Mar 23 '16 at 22:58 "Prototypes being as they are, any proper...
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How do I create a unique constraint that also allows nulls?

...et_AllowNull UNIQUE (TicketID, TicketUnique); If IssueID 1 has ticket 123, the UNIQUE constraint will be on values (123, NULL). If IssueID 2 has no ticket, it will be on (NULL, 2). Some thought will show that this constraint cannot be duplicated for any row in the table, and still allows multip...
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Why can't an anonymous method be assigned to var?

...you like to be inferred for the following cases? var x1 = (ref int y)=>123; There is no Func<T> type that takes a ref anything. var x2 = y=>123; We don't know the type of the formal parameter, though we do know the return. (Or do we? Is the return int? long? short? byte?) var x3 =...
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Conditional HTML Attributes using Razor MVC3

...sers named himself '/><script>$.post('changepassword.php?password=123')</script> and now any other user who views this page has their password instantly changed to a password that the malicious user knows. sha...