I am going to update this list from time to time if I find anything relevant to this topic.
Gustedt's blog [https://gustedt.wordpress.com/]
Lately digging about C99.
C/C++ blog [eli.thegreenplace.net]
Various topics about C/C++ with perl/python mixture.
GCC tips [pixelbeat.org/]
Few tips from this blog, signed integer overflow, c string problem
Dave's bookmark [delicious.com/dpt]
Bookmarks which are articles about programming.
Paul Hsieh's programming blog [azillionmonkeys.com]