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creating a random number using MYSQL

I would like to know is there a way to select randomly generated number between 100 and 500 along with a select query. 6 A...
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How to build jars from IntelliJ properly?

...from IntelliJ: Go to project structure: Create a new artifact: Select the main class, and be sure to change the manifest folder: You have to change manifest directory: <project folder>\src\main\java replace "java" with "resources" <project folder>\src\main\resources ...
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Where is the “Create Unit Tests” selection?

..."Show commands containing" text box to filter out CreateUnitTests command, select it. Choose "Text Editor" in "Use new shortcut in" combo, and press shortcut you want in "Press shortcut keys" text field (e.g., Ctrl+T, Ctrl+C). Finally, press Assign button. Enjoy! ...
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unable to copy/paste in mingw shell

... Right-click on the title bar of the command window and select 'Properties', then on the 'Options' tab tick the box for the 'QuickEdit mode', then click 'Ok'. After that you can paste text from the clipboard using the right mouse-button, highlight text while holding down the left...
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How would you do a “not in” query with LINQ?

...from c in dc.Customers where !(from o in dc.Orders select o.CustomerID) .Contains(c.CustomerID) select c; foreach (var c in query) Console.WriteLine( c ); from The NOT IN clause in LINQ to SQL by Marco Russo ...
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Selecting an element in iFrame jQuery

...rame. All the elements in that loaded page have their tokenid-s. I need to select the elements by those tokenid-s. Means - I click on an element on the main page and select corresponding element in the page in the iFrame. With the help of jQuery I'm doing it in the following way: ...
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Converting a Java Keystore into PEM Format

... KeyStore ks = KeyStore.getInstance("jks"); /* Load the key store. */ ... char[] password = ...; /* Save the private key. */ FileOutputStream kos = new FileOutputStream("tmpkey.der"); Key pvt = ks.getKey("your_alias", password); kos.write(pvt.getEncoded()); kos.flush(); kos.close(); /* Save the cer...
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Heroku Postgres - terminate hung query (idle in transaction)

...'s not desirable or not an option ...) Find the PID by running this sql: SELECT pid , query, * from pg_stat_activity WHERE state != 'idle' ORDER BY xact_start; (The query may need mending dependent of the version of postgres - eventually, just select * from pg_stat_activity). You'll find the ...
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Is SQL syntax case sensitive?

... The SQL Keywords are case-insensitive (SELECT, FROM, WHERE, etc), but are often written in all caps. However in some setups table and column names are case-sensitive. MySQL has a configuration option to enable/disable it. Usually case-sensitive table and column na...
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Return 0 if field is null in MySQL

... Would that be IFNULL((SELECT SUM(uop.price * uop.qty) FROM uc_order_products uop WHERE uo.order_id = uop.order_id) AS products_subtotal, 0)? – Kevin Oct 22 '10 at 13:46 ...