At the end of Let’s meet, I wrote: “The channel-based solution has one advantage going for it, though: try surrounding the body of the worker in a for loop.” This is what The Little Book of Semaphores calls a “reusable barrier” in section 3.6. It&rsq...
I skipped over “Chapter 2: Semaphores” because it doesn’t contain exercises. Nevertheless, looking back at it, I think it’s worth paying it a visit with Go in mind. The Little Book of Semaphores offers the following properties as a definition for a semapho...
Chapter 3 of The Little Book of Semaphores proposes the following puzzle: Generalize the signal pattern so that it works both ways. Thread A has to wait for Thread B and vice versa. If Thread A runs two statements a1 and a2, and Thread B runs two statements b1 and b2, the requi...
In the introduction to The Little Book of Semaphores (TLBOS), the author presents the following puzzle (rephrased a little): Imagine that Alice and her friend Bob live in different cities, and one day, around dinner time, Alice starts to wonder who ate lunch first that day, she...
The Little Book of Semaphores, by professor Allen Downey, is a textbook that introduces the principles of synchronization for concurrent programming. It’s available under the GNU Free Documentation License. The book uses Python to illustrate the concepts, but I think Go is...
Hello, world! My regular blog doesn’t really have a main topic, but in recent years it has kept going along the general theme of politics in Costa Rica, with occasional wanderings into information technology. That (and the fact that it’s written in Spanish) has kept m...
Note: Swift bindings are highly experimental and subject to change. This work must currently be classified as preliminary work and we will be improving APIs in the long term. As a part of the Go Mobile, we have announced tools and packages that make language bindings from Java to...
This is just a quick overview of how I did it in antibody’s homepage. Antibody's home page. The site has a very simple index.html plus a service that can discover and download the latest antibody version from GitHub releases. Not sure how relevant thi...
I gave a little intro on Docker and talked about when to use it or not. No slides or video available.