Definition Simply put, a Bloom filter is a space-efficient probabilistic data structure with which we can determine the probable existence of a certain thing in a certain data set, and we can determine the non-existence of a certain thing in a certain data set with utmost accuracy. Doing all this in a memory space …

If you have forked a repository in GitHub that you want to work on, you do so, make your changes locally and once you are confident that everything works, you issue a pull request to the upstream so that your changes can be reviewed and merged. Here is a small snippet that I use to keep my fork up-to-date with the …

I have been documenting so far with Blogger. Recently I started to do some Robotics projects with ROS. As I was doing it, I was looking for ways to get all what I do be documented. I know Github offers GH Pages, but I was a bit reluctant to try it out. So for the Navo project, I decided that GH Pages will be the source …

Basically a distributed system is one in which the components or processes or nodes that comprise a system is distributed across nodes or sometimes even across geographies. But these systems need to communicate with each other to accomplish something meaningful. The most efficient, scalable and proven way of making …

I have been a happy user of the Travis CI free usage over the last couple of years. But one announcement recently made me deeply worried. Have a look here at their announcement Yes, Travis CI will no longer be free for OSS projects. There is no point in blaming Travis CI for this but rather on those idiots who abused …

It is a good practice to write integration unit tests for your services and integrate them in your CI workflow. Such integration tests boosts the confidence of your application quality especially when it needs to be deployed in an environment where it has to talk to numerous other external services. In this regard, I …

I could not say this more than what the title says. I had a very severe blow to my already damaged left knee. First a bit of history here and here. It was on the 28th of September where I went for my first ever defensive sport training called "VingTsun". Inspired by my Physio friend who is a beginner, I …

Recently, I can say that I made very good progress playing across the neck of my guitar. I memorized few pentatonic shapes, but I was stuck the whole while on those specific boxes. The whole thing did not make any sense to me. Just wandering within those boxes is not pleasant music. Frustrated, I looked at Youtube for …

I have been using a Mac for over 7 years now, I have used about 3 Mac's where the 3rd one is still working fine. I have kids at home, they feed food to it and because of that the keys on my Mac is out of order. So it was time for me to have some privacy and get one machine for myself. Looking around the latest …