By Chris on September 28, 2014
Comparing and sorting Strings might not work out like you expected specially when your dealing with a language other than English. Normally comparing strings in done with simple Unicode ordering. If you want to have localized ordering (the kind expected by an end user) you need to use a Collator. Commonly used String methods such […]
Posted in java, prog | Tagged collator, java, sorting, String |
By Chris on September 20, 2014
My god sometime I bang my head on the wall to do something simple on oracle. So oracle don’t support limit so to do something simple has : SELECT f_name, l_name, age from employee_data ORDER BY age DESC LIMIT 20 become : SELECT f_name, l_name, age FROM ( SELECT f_name, l_name, age, ROWNUM r FROM […]
Posted in db, prog | Tagged limit, oracle, sql |
By Chris on September 13, 2014
I was trying to update a table that using sql join but I kept getting ORA-00933 I tried the following: Using A SQL JOIN In A SQL UPDATE Statement Using A SQL JOIN In A SQL UPDATE Statement (www.bennadel.com) update table using inner join (venushuynh.wordpress.com) but I kept getting the ORA-00933 then tried this Oracle […]
Posted in db | Tagged db, error, oracle |
By Chris on September 7, 2014
Another problem I’ve it recently with saveOrUpdate that can be fix by using the same saveOrUpdate but give the class name. Using the session.saveOrUpdate(myObject) might give you a unknown entity while using the same method with the class name in parameter won’t. session.saveOrUpdate(myObject); //give a unknown entity session.saveOrUpdate(“MyObjectClassName”, MyObject); //Work The important difference between the […]
Posted in db, prog | Tagged db, hibernate |
By Chris on September 2, 2014
If you happen to rename your folder that contain your jsp and js, don’t forget to update the struts config (and the tiles). This will save your precious time even hours …
Posted in java | Tagged java, javascript, js, jsp, struts |
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