What is a "pull request"?

[SomeDude]

On Sunday, 12 May 2013 at 08:48:28 UTC, w0rp wrote:
> This thread is hilarious.
>
> This is like asking a car mechanic what an alternator is. Then 
> when he gives you a handbook explaining what one is, you throw 
> it back and spit fury in his face. Other people don't breathe 
> to cater to your every whim, especially when you reject more 
> than adequate explanations for questions.
>
> No, you are not clever. Aside from not being able to understand 
> the simplest of things, you are not clever enough to speak to 
> others with tact and respect. For this reason alone you should 
> either re-evaluate the way you behave around others, or take a 
> position which does not require teamwork. If you can't respond 
> well to help, you cannot be expected to react accordingly when 
> faced with the criticism you will surely face when making a 
> pull request.

Spare your saliva, it's the typical random troll. Probably the 
same drunk/lunatic guy coming over and over again in this 
newsgroup.

I wonder if there are sociological studies of guys like that. 
I've yet to understand what their motivation is, if there is one.