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MySQL Workbench: How to keep the connection alive

...ilable internet archive: Go to Edit -> Preferences -> SQL Editor and set to a higher value this parameter: DBMS connection read time out (in seconds). For instance: 86400. Close and reopen MySQL Workbench. Kill your previously query that probably is running and run the query again. ...
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How do I verify/check/test/validate my SSH passphrase?

...ng selinux, you might also want to check the context of the home directory and .ssh files! I was lucky enough to be able to use this simple fix: # restorecon -R -v /home/user To check if this is the problem (though the preceding command shouldn't cause any issues), you can use $ ls -lZR <home_dir...
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Origin null is not allowed by Access-Control-Allow-Origin

...oying to the web, rather than use local files, install a simple web server and test via http:// URLs instead. That gives you a much more accurate security picture. share | improve this answer ...
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Truncating long strings with CSS: feasible yet?

Is there any good way of truncating text with plain HTML and CSS, so that dynamic content can fit in a fixed-width-and-height layout? ...
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How to define hash tables in Bash?

...e equivalent of Python dictionaries but in Bash (should work across OS X and Linux). 15 Answers ...
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How to get the Full file path from URI

... Use: String path = yourAndroidURI.uri.getPath() // "/mnt/sdcard/FileName.mp3" File file = new File(new URI(path)); or String path = yourAndroidURI.uri.toString() // "file:///mnt/sdcard/FileName.mp3" File file = new File(new URI(path)); ...
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How do I discover memory usage of my application in Android?

How can I find the memory used on my Android application, programmatically? 9 Answers ...
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Difference between a Structure and a Union

Is there any good example to give the difference between a struct and a union ? Basically I know that struct uses all the memory of its member and union uses the largest members memory space. Is there any other OS level difference? ...
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How many threads is too many?

I am writing a server, and I send each action of into a separate thread when the request is received. I do this because almost every request makes a database query. I am using a threadpool library to cut down on construction/destruction of threads. ...
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Multiprocessing vs Threading Python [duplicate]

I am trying to understand the advantages of multiprocessing over threading . I know that multiprocessing gets around the Global Interpreter Lock, but what other advantages are there, and can threading not do the same thing? ...