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MySQL Error 1093 - Can't specify target table for update in FROM clause

...eneral error classification. For a more specific answer about how to best handle the OP's exact query, please see other answers to this question In MySQL, you can't modify the same table which you use in the SELECT part. This behaviour is documented at: http://dev.mysql.com/doc/refman/5.6/en/update...
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How SID is different from Service name in Oracle tnsnames.ora

... So, in your example, there might be SIDs Sales1, Sales2, and Sales3, all of which are available via service name Sales? – user565869 Sep 4 '14 at 16:51 1 ...
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How to see log files in MySQL?

...r creates a log file where it keeps a record of all activities - like when and what queries execute. 8 Answers ...
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Test if a variable is set in bash when using “set -o nounset”

... I tried this and I'm surprised this works... Everything is correct except according to "info bash", "${WHATEVER-}" should have a ":" (colon) before the "-" (dash) like: "${WHATEVER:-}", and "${WHATEVER+defined}" should have a colon before...
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Using GZIP compression with Spring Boot/MVC/JavaConfig with RESTful

...oot/MVC with annotation-based java-config for series of RESTful services and we want to selectively enable HTTP GZIP stream compression on some API responses. ...
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How to get current foreground activity context in android?

... still return a small subset of its data: at least the caller's own tasks, and possibly some other tasks such as home that are known to not be sensitive. share | improve this answer | ...
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Post Build exited with code 1

... She had a space in one of the folder names in her path, and no quotes around it. share | improve this answer | follow | ...
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Echo a blank (empty) line to the console from a Windows batch file [duplicate]

... decided that I could do much better. You can find my original (simplistic and misguided) answer in the edit history. If Microsoft had the intent of providing a means of outputting a blank line from cmd.exe, Microsoft surely would have documented such a simple operation. It is this omission that mo...
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How to extract a git subdirectory and make a submodule out of it?

I started a project some months ago and stored everything within a main directory. In my main directory "Project" there are several subdirectories containing different things: Project/paper contains a document written in LaTeX Project/sourcecode/RailsApp contains my rails app. ...
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Pass mouse events through absolutely-positioned element

...operty that makes events "pass through" the element to which it is applied and makes the event occur on the element "below". See for details: https://developer.mozilla.org/en/css/pointer-events It is not supported up to IE 11; all other vendors support it since quite some time (global support was...