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How to use GROUP BY to concatenate strings in MySQL?

... SELECT id, GROUP_CONCAT(name SEPARATOR ' ') FROM table GROUP BY id; http://dev.mysql.com/doc/refman/5.0/en/group-by-functions.html#function_group-concat From the link above, GROUP_CONCAT: This function returns a string res...
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Exact difference between CharSequence and String in java [duplicate]

...SR 378 again… Using "one-dimensional" string literals. String query = "SELECT \"EMP_ID\", \"LAST_NAME\" FROM \"EMPLOYEE_TB\"\n" + "WHERE \"CITY\" = 'INDIANAPOLIS'\n" + "ORDER BY \"EMP_ID\", \"LAST_NAME\";\n"; Using a "two-dimensional" block of text String query =...
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How to get Time from DateTime format in SQL?

... SQL Server 2008: SELECT cast(AttDate as time) [time] FROM yourtable Earlier versions: SELECT convert(char(5), AttDate, 108) [time] FROM yourtable share |...
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clearing a char array c

... FYI - indent code by 4 spaces or select it and hit the 'code' button, which looks like two lines of binary. – user229044♦ Dec 10 '10 at 20:46 ...
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C++ 读写xml方法整理(持续更新) - C/C++ - 清泛网 - 专注C/C++及内核技术

... VARIANT_TRUE; // validates during parsing pDoc->setProperty(_bstr_t("SelectionNamespaces"), _variant_t(g_select_namespaces)); // set select namespaces // associate xml and schema pDoc->schemas = pSchema.GetInterfacePtr(); // load xml file VARIANT_BOOL vbRet = pDoc->load...
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Is there a way to loop through a table variable in TSQL without using a cursor?

...impler code. Depending on your data it may be possible to loop using just SELECT statements as shown below: Declare @Id int While (Select Count(*) From ATable Where Processed = 0) > 0 Begin Select Top 1 @Id = Id From ATable Where Processed = 0 --Do some processing here Update ATa...
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In VIM, how do I break one really long line into multiple lines?

... format the line that {motion} moves over {Visual}gq % format the visually selected area gqq % format the current line ... I'd suggest you check out :help gq and :help gw. Also setting textwidth (tw) will give you auto line break when exceeded during typing. It is used in gq too, though if...
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Calculate a MD5 hash from a string

... ( Encoding.UTF8.GetBytes(observedText) ) select ba.ToString("x2") ); } share | improve this answer | follow | ...
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How to use GROUP_CONCAT in a CONCAT in MySQL

... select id, group_concat(`Name` separator ',') as `ColumnName` from ( select id, concat(`Name`, ':', group_concat(`Value` separator ',')) as `Name` from mytbl group by id, `Name` ) tbl group by id; ...
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Why are C character literals ints instead of chars?

...; void print(char); print('a'); You would expect that the call to print selects the second version taking a char. Having a character literal being an int would make that impossible. Note that in C++ literals having more than one character still have type int, although their value is implementatio...