After spending some time programming in C I wanted to explore the world of assembly. Naturally, I went to YouTube and searched for assembly code. I found some excellent resources like, Fireship’s Assembly Language in 100 Seconds. I decided to install Netwide Assembler (NASM), an assembler for the x86 CPU architecture. I’m on a mac with an intel chip. To install the assembler I used HomeBrew: brew install nasm Below is the code for hello world....

My job out of college was working on the UCSC Genome Browser QA team. One of the first things I had to do was get comfortable with the Born again shell (bash). I found it really helpful to have a quiver of one-liners for repetitive tasks. For example, I can create a dummy data file with 1000 lines: for((i=1;i<=1000; i++)); do echo "data_point_$i" >> data_munging.txt; done Let’s say I needed to add each entry in an SQL query (for some reason) I’d need to remove the new lines and add a comma as a separator with each data_point in single quotes....