... protected methods can be called by any instance of the defining class or its subclasses. private methods can be called only from within the calling object. You cannot access another instance's private methods directly. Here is a quick practical exa...

... SQL server (Sybase or Microsoft's - not sure about what Oracle does), signalling to the client program that the set of commands that were input into it up till the "go" need to be sent to the server to be executed. Why/when do you need it? GO in MS SQL server has a "count" parameter - so you can u...

...stance, which is backed with new array. So, garbage collector should clear all the key and values from the previous map, and clear the reference to itself. So O(n) algorithm is executed anyway, but in the garbage collector thread. For 1000 records you won't see any difference. BUT. The performance ...

...nce writing this answer: now that Firefox has added support in version 22, all major browsers now support accessing the clipboard data in a paste event. See Nico Burns's answer for an example. In the past this was not generally possible in a cross-browser way. The ideal would be to be able to get t...

...h slider images that let part of the thumb move out of the track was especially helpful as i couldn't work out how they were doing that. (the default slider has the pointy edge bits move past the end of the track to make a square end on one side) – Glenn.nz Apr...

... Über is the German word for above or over (it's actually cognate with the English over). Hence, in this context, an uber-jar is an "over-jar", one level up from a simple JAR (a), defined as one that contains both your package and all its dependencies in one single JAR file. T...

...tly push a new branch?": git push -u origin master or git push -u origin --all), you need now to resolve the authentication issue. That depends on your url (ssh as in 'git@github.com/yourRepo, or https as in https://github.com/You/YourRepo) For https url: If your account is protected by the two-f...

... Personally, I think git checkout -- <path> should be replaced with git reset --hard <path>. It makes so much more sense... – vergenzt Jun 26 '12 at 13:04 ...

... that relative index from the end of the list... However, by definition, all items in a Python list between 0 and len(the_list)-1 exist (i.e., there is no need for a try, except if you know 0 <= index < len(the_list)). You can use enumerate if you want the indexes between 0 and the last el...

...epositories reasonably for a simple reason: it's way to cumbersome to mock all the parts of the JPA API we invoke to bootstrap the repositories. Unit tests don't make too much sense here anyway, as you're usually not writing any implementation code yourself (see the below paragraph on custom impleme...