Category Archives: Development
Puzzle captcha
The problem with current captchas I think that people > 50 years have problems to recognize the current captchas. So I thought a different approach instead just make harder to read a bunch of symbols (current captcha direction). A different … Continue reading
Karma and reincarnation in software
This morning I was thinking about that when software grows very fast, it’s common to see ugly code. Sometimes, also, the technologies changes and your code it’s old if you compare with the current solutions (for example, a web application … Continue reading
Desarrollo cíclico
Muchas veces con @matias_mi discutimos sobre arquitecturas, soluciones actuales que andan dando vueltas, lenguajes, frameworks, etc. El suele inclinarse por desarrollar soluciones sólidas, bien documentadas, escalables, etc. Por mi parte, prefiero elegir tecnologías que me ahorran tiempo a la hora de … Continue reading
MySQL Date time Regex
This regex validates only MySQL Datetime format. [js]^[0-9]{4}-(((0[13578]|(10|12))-(0[1-9]|[1-2][0-9]|3[0-1]))|(02-(0[1-9]|[1-2][0-9]))|((0[469]|11)-(0[1-9]|[1-2][0-9]|30)))(T|\s)(([0-1][0-9])|(2[0-3])):([0-5][0-9]):([0-5][0-9])$[/js] Matches 2009-01-01 23:59:59; 2009-03-31 14:59:59; 0000-01-01 00:00:00 Don’t matches 2009/03/31 24:30:00; 2009-30-01 10:30:00AM; 0000-00-00 00:00:00 With time as optional [js]([0-9]{4}-(((0[13578]|(10|12))-(0[1-9]|[1-2][0-9]|3[0-1]))|(02-(0[1-9]|[1-2][0-9]))|((0[469]|11)-(0[1-9]|[1-2][0-9]|30)))(T|\s)(([0-1][0-9])|(2[0-3])):([0-5][0-9]):([0-5][0-9]))|[0-9]{4}-(((0[13578]|(10|12))-(0[1-9]|[1-2][0-9]|3[0-1]))|(02-(0[1-9]|[1-2][0-9]))|((0[469]|11)-(0[1-9]|[1-2][0-9]|30)))[/js] Matches 2009-01-01; 2009-03-31 14:59:59 Don’t matches 24:30:00 You can do a quick … Continue reading
YUI CSS Footer at the bottom
I use YUI CSS grids to build templates. So this time I need to stick the footer at the botoom, and I tried some techniques, but I need to do an hybrid of these to find the solution.
Ajax logins: why?
I’m starting this new blog with this little suggestion: avoid ajax logins. Ajax it’s really cool and handy, I know, but for a login page only can be useful in very particular cases. In the rest, only helps to save time … Continue reading