I’m making a pause in the “semaphores” series to visit a problem from exercism.io, namely react in Go. As the description says, the idea is to implement a basic reactive system in Go. Wikipedia defines “reactive programming” as “a programming p...
tl;dr We’re excited for the third anniversary of GopherCon, so we’re offering a discount on tickets valid only on the anniversary of the conference.
The next problem in the “The Little Book of Semaphores” is called the “unisex bathroom problem”, by Allen Downey himself. The problem statement reads as follows: A friend of the author took a job at Xerox. She was working in a cubicle in the basement of a...
I pushed back the publication of this entry because I wasn’t so happy with the implementation I had. It’s a new chapter in the “The Little Book of Semaphores”: not so-classical problems. The first problem there is called “search-insert-delete”...
This is the story on how I speed up my terminal load time. Some time ago I shared my dotfiles to the world. I was never really happy with the shell load time, though. Most of it was spent by antigen loading the plugins I use. By then, my shell was taking almost 10 seconds to load...
This post shows how to marshall NULL values from the database into Go struct and how to avoid mistakes during fetching optional values with SELECT query. I’ll show standard types sql.NullString, sql.NullInt64, etc types.
Section 5.7 of “The Little Book of Semaphores” presents the last of the “less classical” synchronization problems. It’s another problem presented in “Concurrent Programming”, called “the roller coaster problem” and attributed...