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com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
...Shouldn't the threads in the connection pool be kept active by firing the "select 1" validation query? Why would they get closed by prolonged inactivity when we have set the evictor to run at shorter time intervals than the mysql server timeout?
– Farhad
Sep 2 ...
Remove all files except some from a directory
...ar.gz\|script.php\|database.sql\|info.txt"`
-v, --invert-match select non-matching lines
\| Separator
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Best way to synchronize local HTML5 DB (WebSQL Storage, SQLite) with a server (2 way sync) [closed]
...your DB. It works by storing all the SQL request applied to the DB (except select of course) , and sending them to the server. It's great to manage deletion, but it's a little heavy if you have a lot of updates, and the server need to use the same SQL language...
Another project from QuickConnect ...
Where could I buy a valid SSL certificate? [closed]
...l cert make sure you follow the steps here: startssl.com/?app=20 (for me I selected nginx) make sure you follow the part about the intermediate cert. Also you can double check cert problems here: sslshopper.com/ssl-checker.html, which helped me a lot.
– Chase Roberts
...
Hibernate SessionFactory vs. JPA EntityManagerFactory
...EntityManager translate entity state transitions into SQL statements, like SELECT, INSERT, UPDATE, and DELETE.
Hibernate vs. JPA bootstrap
When bootstrapping a JPA or Hibernate application, you have two choices:
You can bootstrap via the Hibernate native mechanism, and create a SessionFactory vi...
Visual Studio Clicking Find Results Opens Code in Wrong Window
...cking the Find Results window using the very bottom of the window position selectors.
The files open in the same position as the Find Results when the window is docked in the positions immediately next to the centre position.
...
Sublime Text from Command Line
...ut I believe that is much more involved." Simply Right click on Computer. Select properties then click on "Advanced System Settings". From there Go to Environment Variables>Path and append ;C:\Program Files\Sublime Text 3 A few more steps I'll grant you but a very easy and useful trick to know ...
Are there any CSV readers/writer libraries in C#? [closed]
... {
string line = string.Join(",", row.Cells.Select(x => $"{x}"));
writer.WriteLine(line);
}
writer.Flush();
}
};
}
}
...
Installing vim with ruby support (+ruby)
...by, and TCL but no GUI."
sudo apt-get install vim-rails
will install a "selection of vimscripts that make editing Ruby on Rails applications extremely easy." but as it depends on vim-full and vim-addon-manager, it will also install the vim-gnome version of the GUI, that is "a version of vim compi...
Generate list of all possible permutations of a string
...re x and y is how you define them and r is the number of characters we are selecting from --if I am understanding you correctly. You should definitely generate these as needed and not get sloppy and say, generate a powerset and then filter the length of strings.
The following definitely isn't the b...