Disqus comments

I just replaced the default wordpress comments by Disqus comments. Disqus enable you to track your comments add picture and other fancy staff. I have been looking for such a plugin for a very long time (and was too foul to develop it myself). The amazing bonus with Disqus is that you can post code! […]

Side effect of cursor sharing

Cursor sharing transform strings in bind variable. So if you do SELECT * FROM EMP WHERE ENAME=’SCOTT’; it will be transformed in SELECT * FROM EMP WHERE ENAME=:sys_b0; This sometimes improved performance of application that do not use binds, for instance. Now let’s imagine your application generates trace files. The application generates a SELECT ‘LSC-11.1011.000.1110.1.0100.000.110’ […]