Posts by albert • 161 points
3 posts
-
0
votes4
answers698
viewsA: Does anyone know a good tutorial on ACL in Symfony 2?
There is a tutorial translated into Portuguese on Symfony2 security : http://www.duocriativa.com.br/janela/symfony-em-portugues/book/security…
-
0
votes11
answers97880
viewsA: Center image vertically within a div
If your div and your image have a heigth set, you can do this: .img { height: 200px; /* Altura da imagem */ position:relative; margin-top: 50%; top: -100px; /* Negatico da metade da altura da imagem…
-
6
votes8
answers59138
viewsA: How to raise a number to a power without using the Math. h library?
The only way to do that is by approaching (1+x)^(1/2) ~ 1 + x/2 when x is too small, or creating a routine for the complete series (1+x)^(1/2) = 1 + x/2 - 3x/4 + 15x/8 - ... thing that the sqrt()…