Concurrency channels are like typed pipes, Where you can send something from one side and receive from other side. using channel direction operator <-. Depends on the direction of the variables around the operator, its either sending or receiving. x := <-c // receive from c c <- sum // send sum to c fmt.Println(“channel receive happening”, <-c) channels are reference type. similar to maps. So when we pass channel as an argument to a function or copy we are passing the reference.

Disclaimer: Whatever I write here is my learnings. So, don’t take these words as granted or reference. Also, please lmk if there are any errors. I have often come across this term JWT. I knew the definition - Json Web Token, but honestly that’s all I knew for a veryyyy longgg time. Recently, I came across a problem where I have been told that JWT might be a good solution for it.

This is part of my Today I Learnt series where I share whatever I am learning something new. After having issues with port forwarding in Xfinity I decided to look for alternative solutions. I have used Cloudflare tunnel (used to be called Argo Tunnel) in the past to expose websites running on my laptop to the Internet. So, I decided to try it out for Ghost blogging site which I am setting up for my dad.

This article is part of my Today I Learnt. I have been trying to share whatever I learnt newly on the day. Some of them are basic, but still I want to write it down for two reasons. 1. To help me understand the concepts better 2. Potential help other people who running in to same issue. Alright, It’s all started when I bought a new domain (synergy.net) for my Dad.

This is a crosspost from my TIL What the heck is .PHONY in makefile? I have seen this for so long but I always shrugged off. Whatever that is. Well, finally I decided to learn about it. A bit of introduction to Makefile syntax. target: prerequisites <TAB> recipe The first target in a Makefile will be executed by default when we call make. blah: blah.o cc blah.o -o blah # Runs third blah.

Libpq-Postgres-Go After I started working on Postgres, I have heard this term libpq enough times, but never had a good grasp of it. After digging around this topic for a couple of days, here is my understanding. From the Postgres doc https://www.postgresql.org/docs/9.5/libpq.html, libpq is the C application programmer’s interface to PostgreSQL. libpq is a set of library functions that allow client programs to pass queries to the PostgreSQL backend server and to receive the results of these queries