Marcin Borkowski: Recent Changes

Updates since 2019-10-03 23:53 UTC up to 2019-11-02 23:53 UTC

2019-10-28

17:00 UTC (new) (history) 2019-10-28 PostgreSQL, jsonb each and cross joins . . . . Marcin Borkowski – A few days ago I stumbled on a PostgreSQL query I didn’t really understand. I asked a question on Stack Overflow and learned something I would have known if only I had read the manual…

2019-10-21

18:59 UTC (new) (history) 2019-10-21 Clearing the Eshell buffer . . . . Marcin Borkowski – Since I’ve been quite busy recently, I only have one short tip today. I sometimes use Eshell, and sometimes want to clear it so that I can e.g. isearch through the result of running some command and not be bothered by the output of previous commands. In such a case, I can say clear, but it does not really clear the Eshell buffer – it only makes the part above point scroll past the visible part (and it seems that it doesn’t even take into account the font – if I make it smaller, clear does not scroll enough). But I can also give clear any argument (e.g., say clear t), and then the previous contents of the buffer are really deleted. Handy.

2019-10-12

11:58 UTC (new) (history) 2019-10-12 Challenge accepted - a Node.js grep . . . . Marcin Borkowski – An old friend of mine posted a challenge on Twitter to implement a grep-like utility in one’s language of choice. Instead of complaining that he’s got an unfair advantage – he is a Pythonista, and Python is almost as well-suited to that kind of tasks as Perl – I decided to accept the challenge. Of course, I had to start with Emacs Lisp.
11:53 UTC (diff) (history) Comments on 2019-10-07 A tip with diffing (and committing) program structure changes . . . . Marcin Borkowski – Yep, I tried to be comprehensive. :-)

2019-10-07

20:23 UTC (new) (history) 2019-10-07 A tip with diffing (and committing) program structure changes . . . . Marcin Borkowski – As I mentioned last week, the fact that diff works on a line basis is sometimes a source of trouble. Consider this case. Assume that we have a simple JavaScript module greets (I guess that a very similar case could be made for Java classes, Python modules etc.).