Logging in go
It is common knowledge that logging is super important. It is necessary for debugging purposes on your local environment or for tracing some weird behavior i...
Recent Posts
Reducing memory consumption in ruby with frozen strings
In ruby, lots of times we have to deal with several strings, whether we are working with a rails application and we are building JSON responses, or we have a...
Searching with an inverted index in Ruby
Recently, I read blog post about elasticsearch, called Elasticsearch from the Bottom Up. A data structure that is very important to performing full-text sear...
Load test your API with vegeta
During the last few years, when I want to load test my APIs, my go to tool is vegeta. It is an awesome load testing command line tool. It is easy to use and ...
Implementing a bit array in go
A bit array (or bit set) is an array data structure that stores bits (0 or 1 value) in a space efficient, compact way (read more about bit arrays on wikipedi...
Quick tip: Avoiding null pointer exceptions in Java
Admit it. It has happened (not even just once) to all of us. Building something with Java and getting null pointer exceptions because: a) we did not check fo...
Using Kafka log compaction
If you are working in a service oriented architecture (e.g. building or maintaining microservices), there is a good chance you have used, are currently using...
Distributed tracing with Zipkin
Nowadays, more and more projects are built using the service-oriented architecture (SOA) and more specifically using microservices: several services that hav...
Validating an email in go
Recently, I wanted to validate emails for a small project I work on. I didn’t want to search for libraries that might do the job, so I decided to build the v...
Awesome cli tools: jq json processor
There are some command line tools that I use almost on a daily basis and make my life a lot easier. One of those tools is jq. Jq is a lightweight and flexibl...