reducing

Are design patterns something you invent as you go

Are there set design patterns or does each individual sufficiently skilled software developer recognize and reduce their code to develop new patterns. Effectively creating their own "design" patterns. Edit - Thanks for the responses. In reality I'm just refactoring and/or reducing code where the problem should have first been compared...

Combining data sets without losing observations in SAS

Hye guys, I know, another post another problem :D :(. I took a screenshot to easily explain my problem. http://i39.tinypic.com/rhms0h.jpg As you can see I want to merge two tables (again), the Base & Analyst table. What I want to achieve is displayed in the right bottom corner table. I’m calculating the number of total analysts and f...

I'm having an issue to use GLshort for representing Vertex, and Normal.

As my project gets close to optimization stage, I notice that reducing Vertex Metadata could vastly improve the performance of 3D rendering. Eventually, I've dearly searched around and have found following advices from stackoverflow. Using GL_SHORT instead of GL_FLOAT in an OpenGL ES vertex array How do you represent a normal or textu...