How's it going? I'm a full-time software engineer and part-time Wikipedia contributor. My first experience with Wikipedia came with the realization that the encyclopedia was editable, something of which in 2004 I had predicted nothing good could come, due to the Internet and its legions of vandals. However the triumph of the commons became evident to me over time, not to mention Wikipedia's crazy amount of usefulness, as there was now an anchor point for most of the questions I had wondered since the 80's without a good way to determine the answers (what were those druids in Monty Python actually saying? Does water really spin counterclockwise in the toilet in the Northern Hemisphere? Did Marie Antoinette really say "let them eat cake?"), and my obsession over correcting grammar and conventions overwhelmed my better judgment as I proceeded to correct many articles on the site ever since.

Java-5This user is a professional Java programmer.
C#-4This user is an expert C# programmer.
vb-5This user is a professional Visual Basic programmer.
HTML-5This user is a professional HTML user.
js-4This user is an expert JavaScript programmer.
asm-2This user is an intermediate assembly language programmer.
theyThis user considers singular they standard English usage.
’sThi's user know's that not every word that end's with s need's an apostrophe and will remove misused apostrophe's from Wikipedia with extreme prejudice.
its
it's
It's really not that hard to use each word in its proper manner.
A, B, and CThis user prefers the serial comma.
,This user fixes comma-splices; they are annoying.
whomThis user insists upon using whom wherever it is called for, and fixes the errors of whomever they see.
man-
kind
Regarding gender, this user prefers the vernacular, not what is politically correct.
... in.Ending a sentence with a preposition is something up with which this user will not put.