I learned a lot from our conversation. The conversation Weeks ago, lunchtime. My junior told me: “I think OO programming does not make sense, It is always over complicated things.” “Why do you think so?” I asked. Dude: “You see it always needs to create a bunch of classes even for some…

Explained in 10 minutes. What is an Inverted index? You may have seen the below structure. So yes, it is about the mapping between words and document lists. And before the “mapping” happens, articles or sentences will be tokenized and then filtered (both combine into a process called “tokenized”) into a word list. then every…

Let’s solve it as a programmer. After staying in the same company for years as senior or lead, we always find ourselves overwhelmed by the increasing requests. — From everyone. Because: you are the one, who is familiar with everything, does things fast, and knows everything. So, you must have been here Look at this. Is…

Another interview from the last few weeks. Before start I got enough labels from here and here and also here. “arrogant”, “trouble maker”, and “bad interviewer”. Well thank you, I will try to be better next time (like this one) :) Here only I want to answer one question. “Do you really…

Following the leet code patterns series. DFS, BFS, DP, Backtracking, Mono-stack, Presum, Sliding window, Divide and conquer Binary Search, Dijkstra Here is another one. Even though it could be a surprise to be asked to solve the minimum spanning tree problem during an interview (only 5 Leetcode problems, 3 are…

Make sure you read before accepting the offer Disclaimer Not all places are like this, from a developer’s perspective, we always look at the worse cases. Don’t get me wrong. This post is not to ask you to step back. No, I only want to use some real stories which could…

Another common question when we talk about Redis or Nginx. The interview It was a senior dev backend position. the candidate (7 years+) came in and we started the interview. “Could you explain what did you do to improve system performance by X% for project Y?”.I asked based on one line returned…

This post should help you get better results next time. Today let’s talk about the software engineering interview process. Acing an interview is a skillset, I see there are good devs who don’t know it or didn’t get it right. Layoff happening, to help someone who may prepare for an…

This time is a bigger sample. Beginning In previous posts, we went through 2 sample codes and found clean code has the below attributes. Make it focus. move the variables closer to their usage. Early return. No nested if. Check duplicates. extract method. Minimalism. Only check once, and do it once. …