Sorted:

Is <non-object> kind of memory link or abandoned memory?-Collection of common programming errors

Why would I use a templating engine? jsp include and jstl vs tiles, freemarker, velocity, sitemesh-Collection of common programming errors

problem about ocunit-Collection of common programming errors

problem about signature-Collection of common programming errors

problem about retaincount-Collection of common programming errors

Runtime error: __NSAutoreleaseNoPool(): …autoreleased with no pool in place – just leaking-Collection of common programming errors

winnovative pdf – out of memory and other random exceptions-Collection of common programming errors

avconv (ffmpeg) on Raspberry Pi often corrupts extracted video still images-Collection of common programming errors

web.xml for jstl-Collection of common programming errors

problem about jsp-fragments-Collection of common programming errors