All posts in 'English posts'

Oracle “sleep” procedure: DBMS_LOCK.SLEEP

07-Sep-10

There’s a nice little “sleep” procedure in Oracle: A procedure that stops the execution of the current thread for n seconds. Strangely, this method can be called in SQL*Plus like so: EXEC dbms_lock.sleep(10);exec dbms_lock.sleep(10); but not in another stored procedure or function like so CREATE OR REPLACE PROCEDURE FOOBAR AS BEGIN DBMS_LOCK.SLEEP(1); END; /CREATE OR […]

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Preparing for Rails 2.3.9

06-Sep-10

As much as i wish to upgrade my Rails 2.3.x application Daily Fratze to the newest tag of the Rails 2.3.x branch, i cannot. First there was the epic fail of release 2.3.6, that broke all HTML Helpers and forced the Rails XSS protection upon us. This release was immediately followed by 2.3.7 and 2.3.8. […]

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How to get UIDefaults in Java

If you’re loocking for Javas UIDefaults, use the UIManager class. This snippet gives you all installed UIDefaults: UIDefaults defaults = UIManager.getDefaults(); for(Enumeration e = defaults.keys(); e.hasMoreElements(); ){ String key = e.nextElement().toString(); System.out.println(key + " = " + defaults.get(key)); }UIDefaults defaults = UIManager.getDefaults(); for(Enumeration e = defaults.keys(); e.hasMoreElements(); ){ String key = e.nextElement().toString(); System.out.println(key + " […]

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Oracle NLS-Lang Settings

13-Aug-10

To use SQL*Plus Windows correctly, export NLS_LANG like so: set NLS_LANG=GERMAN_GERMANY.WE8MSWIN1252 If you prefer the command line client SQL*Plus, export NLS_LANG like so: set NLS_LANG=GERMAN_GERMANY.WE8PC850

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J2SE: Cut/Copy/Paste Helper

09-Jul-10

You wouldn’t think that having a standard edit menü with Cut, Copy and Paste buttons would be much of a problem in the J2SE world, especially regarding the fact that most standard Swing components have TransferHandlers that support the 3 operations with the standard keyboard shortcuts. First try was to user TransferHandler.getCopyAction() etc. and create […]

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