Frequency map in go
A frequency map is just a fancy word for a hash map that tracks the number of occurrences of an element in a collection. If we have a slice in…
Map-as-set in go
In programming languages like go, there is no built-in type for set. A set essentially answers yes or no: is a given element present? We can use the built-in map…
KompacPlus
KompacPlus is marketed as a counter top material, and sometimes wall material. The sellers often claim it's comparable to quartz and sintered stone. KompacPlus is made in Italy, but only…
Let’s Encrypt! certificate always expires
I usually don't SSH into the server that runs this blog. When I do, it's because the free SSL certificate by Let's Encrypt! has expired. Every time this happens, I…
Interface implementation in Go is implicit
I'm quite familiar with the concept of interface in Java; but on my first day reading my colleague's Go code, I was a little confused. Here's how: In Java, implementing…
Best MySQL data types for storing date & time
When it comes to storing date/time in MySQL, several data types are commonly used. My colleagues and I had a brief discussion today on which type we should use for…