--- title: "Abhishek Dandriyal (@iamabhishek03) | Hashnode" description: "Unlocking Brilliance. Read the latest articles by Abhishek Dandriyal on Hashnode." url: "https://hashnode.com/@iamabhishek03" --- @iamabhishek03 # Abhishek Dandriyal @iamabhishek03 · Joined May 2022 Unlocking Brilliance ### [Understanding Time complexity - Big O Notations](https://abhishek-dandriyal.hashnode.dev/understanding-time-complexity-big-o-notations?utm_source=hashnode&utm_medium=feed) Big O Notations Lately, I have gotten an interest in algorithms, the first one I chose to understand deeply is how sorting algorithms work and their time complexity. However, this post is not to explain sorting algorithms, instead, we will take a ste... 4 min read · [abhishek-dandriyal.hashnode.dev](https://abhishek-dandriyal.hashnode.dev/understanding-time-complexity-big-o-notations?utm_source=hashnode&utm_medium=feed) [Jun 19, 2025](https://hashnode.com/posts/understanding-time-complexity-big-o-notations/6853b63d747940ec8451e387) ### [Time to level up Code Reviews](https://abhishek-dandriyal.hashnode.dev/time-to-level-up-code-reviews?utm_source=hashnode&utm_medium=feed) This is a short and crisp summary of how we do code reviews. Being part of a Code review process is very important for us and trust me we take it very seriously. This is required not just for the team but for an individual learning as well. Code revi... 4 min read · [abhishek-dandriyal.hashnode.dev](https://abhishek-dandriyal.hashnode.dev/time-to-level-up-code-reviews?utm_source=hashnode&utm_medium=feed) [Jun 19, 2025](https://hashnode.com/posts/time-to-level-up-code-reviews/6853b4e1c4acc562d9a79ec4) ### [Apache Tomcat Server](https://abhishek-dandriyal.hashnode.dev/apache-tomcat-server?utm_source=hashnode&utm_medium=feed) Tomcat is an open-source web server and servlet. The Apache Software Foundation has developed it. It is used widely for hosting Java-based applications on the web. It is built on Java technologies and implements the Java Servlet and JavaServer Pages ... 4 min read · [abhishek-dandriyal.hashnode.dev](https://abhishek-dandriyal.hashnode.dev/apache-tomcat-server?utm_source=hashnode&utm_medium=feed) [Jul 20, 2024](https://hashnode.com/posts/apache-tomcat-server/669baf284f98c674bce39d41) ### [SVN Commands](https://abhishek-dandriyal.hashnode.dev/svn-commands?utm_source=hashnode&utm_medium=feed) What is SVN version control system 3 min read · [abhishek-dandriyal.hashnode.dev](https://abhishek-dandriyal.hashnode.dev/svn-commands?utm_source=hashnode&utm_medium=feed) [Jul 20, 2024](https://hashnode.com/posts/svn-commands/669ba9c4f7ae7f9d6539294a) ### [Create Hello World Function](https://abhishek-dandriyal.hashnode.dev/create-hello-world-function?utm_source=hashnode&utm_medium=feed) Javascript leetcode create-hello-world-function 1 min read · [abhishek-dandriyal.hashnode.dev](https://abhishek-dandriyal.hashnode.dev/create-hello-world-function?utm_source=hashnode&utm_medium=feed) [Jun 26, 2024](https://hashnode.com/posts/create-hello-world-function/667c4ed84807b902db5243f7)