Scribblings

blog posts from GregHeo.com

Blocks in Objective-C

I gave a quick introductory talk about blocks in Objective-C for iOS and Mac development tonight, and I thought I would put together some of the slides and my notes here as a post.

filed under ObjC, OSX and iOS on 12 July 2011

Benchmarking PHP

Various kinds of benchmarking with PEAR's Benchmark module.

filed under PHP on 22 April 2010

SQL JOINs, part 2

Part 2 of the exploration of SQL JOIN covers the oddballs: CROSS and OUTER.

filed under SQL on 19 February 2010

SQL JOINs, part 1

SQL JOIN is right up there in the list of most useful inventions along with sliced bread, the iPhone, and the chemical toilet. Why are there so many different kinds? Left? Right? Outer? Let's review.

filed under SQL on 16 February 2010