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SQL UPDATE all values in a field with appended string CONCAT not working

... That's pretty much all you need: mysql> select * from t; +------+-------+ | id | data | +------+-------+ | 1 | max | | 2 | linda | | 3 | sam | | 4 | henry | +------+-------+ 4 rows in set (0.02 sec) mysql> update t set data=concat(data, 'a');...
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Which MySQL datatype to use for an IP address? [duplicate]

...nvert them: INSERT INTO `table` (`ipv4`) VALUES (INET_ATON("127.0.0.1")); SELECT INET_NTOA(`ipv4`) FROM `table`; For IPv6 addresses you could use a BINARY instead: `ipv6` BINARY(16) And use PHP’s inet_pton and inet_ntop for conversion: 'INSERT INTO `table` (`ipv6`) VALUES ("'.mysqli_real_es...
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Javascript: How to loop through ALL DOM elements on a page?

... // Do something with the element here } Note that you could use querySelectorAll(), if it's available (IE9+, CSS in IE8), to just find elements with a particular class. if (document.querySelectorAll) var clsElements = document.querySelectorAll(".mySpeshalClass"); else // loop through a...
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SVN (Subversion) Problem “File is scheduled for addition, but is missing” - Using Versions

...isplaying the same message. I simply right clicked the offending files and selected 'Revert...' from the right-click menu and all was good. Basically Versions (actually Subversion) thinks you still want to add the file, but it cannot find it because you deleted it in the file system. The Revert opt...
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Xcode 6 iPhone Simulator Application Support location

... in the top bar select: Product -> Archive -> and then Export the Archive as a Mac Application without re-signing (the last option) you will get a .app file which you can put in your Application folder like a normal application... ...
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What is the best way to iterate over a dictionary?

...e wrong collection type in the first place), you should iterate dictionary.Select( (kvp, idx) => new {Index = idx, kvp.Key, kvp.Value}) instead and not use .ElementAt inside the loop. – spender Mar 2 '15 at 2:17 ...
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The function to show current file's full path in mini buffer

...yourself by visiting a file with C-x C-f, running M-! pwd, then M-x cd and selecting a different directory, then running M-! pwd again. – josaphatv Apr 30 '17 at 17:44 add a c...
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SQL DELETE with INNER JOIN

...d = n.idTemplate WHERE n.type = "monster"; It might be a better idea to select the rows before deleting so you are sure your deleting what you wish to: SELECT * FROM spawnlist INNER JOIN npc ON spawnlist.npc_templateid = npc.idTemplate WHERE npc.type = "monster"; You can also check the MySQL d...
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SQL - The conversion of a varchar data type to a datetime data type resulted in an out-of-range valu

...table). In comment you said you want it in yyyy-mm-dd format. So, try this SELECT CONVERT(char(10), GetDate(),126). Just replace GETDATE() with necessary value. – Mahe Dec 30 '13 at 15:29 ...
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jQuery Determine if a matched class has a given id

... You can bake that logic into the selector by combining multiple selectors. For instance, we could target all elements with a given id, that also have a particular class: $("#foo.bar"); // Matches <div id="foo" class="bar"> This should look similar t...