Everything published here, newest first.
Last time in were exposing some metrics for a golang application, but exposing the data is useless without having a way to visualise it or even store it somewhere in a location so we can analyze...
Quite often we are found with a challenge to troubleshoot something in production, or to see why is our application slow, or why isn't it serving requests fast enough.
A lot of times it's useful to expose metrics for your application so you can know what is going on with the application, there are two ways you can do this one it's either using a pull or a push...
Given an array of integers and a value, determine if there are any two integers in the array which sum equal to the given value.
Given an array (list) of intervals as input where each interval has a start and end timestamps. Input array is sorted by starting timestamps. You are required to merge overlapping intervals and...
So I'm trying to stay true to my resolution, write one or more article about algorithms and datastructure everyday to refresh my memory on how everything works.
It's been a while since I've been writing on the blog, so I've decided to start being more active and since it's been almost 15 years since I've studied this in University, it can also be a good...
So I needed to setup a site to site transport between our two datacenters, so our internal network will be able to communicate between the two datacenters easily.
I was rushing to leave and was still logged into a server so I wanted to shutdown my laptop, but what I didn't notice is that I was still connected to the remote server. Luckily before pressing...
So I've used redis desktop manager in the past, but suddenly I can't use it anymore it's not compiling on debian, and there are no packages for the application. So I decided to find a way to to...
A non-empty zero-indexed array A consisting of N integers is given. The array contains an odd number of elements, and each element of the array can be paired with another element that has the same...
A zero-indexed array A consisting of N integers is given. Rotation of the array means that each element is shifted right by one index, and the last element of the array is also moved to the first...
A binary gap within a positive integer N is any maximal sequence of consecutive zeros that is surrounded by ones at both ends in the binary representation of N.
I needed to figure out a way to start/stop instances automatically during certain periods. The obvious way is Lambda, but how to do it. We wanted some instances to run from Monday to Friday, and...
XZ is one of the best compression tools I've seen, it's compressed files so big to a fraction of their size. I've had an 16 GB SQL dump, and it managed to compress it down to 263 MB.
Some of my services were written in Go, and we wanted a way to track which version was used, so we can track and solve issues. Or even see when the application was deployed or from which source...
I needed to drop all the databases or based on a filter in MongoDB.
I needed to drop all the collections in a database without dropping the database.
As an avid foodie, I want to eat Fibonachos. I want to see a program that will print the Fibonacci sequence described below so that I can assess how many I can fit on a plate, and assess basic to...
SSH Fingerprinting is a method to provide DNS records for key fingerprint verification of any client that logs into said machine.