Prajwal's Techletter

A weekly newsletter for software engineers.

Archives | 82 issues

Regex πŸ€–, Django Architeture βš™οΈ, Lessons learned πŸ“, using exceljs πŸ“Š
By Prajwal Haniya | July 20, 2024
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Complex codebase πŸ‘¨β€πŸ’», Python 🐍 & Django, Personal tasks πŸš€
By Prajwal Haniya | July 13, 2024
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πŸš€ Linux systems 🐧, Resume πŸ“ƒ
By Prajwal Haniya | July 6, 2024
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Env variables βš™οΈ, AI πŸ€–, Tools with no db πŸ—ƒοΈ, Productivity πŸš€
By Prajwal Haniya | June 29, 2024
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Monkey patch πŸ’, Conditional exports 🚒, blocking EL π–¦Ή, import specifiers πŸ“₯, NodeNext 🟒
By Prajwal Haniya | June 22, 2024
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Module bundlers πŸ“¦, declaration files πŸ—‚οΈ, test cases πŸ§ͺ, DP hazard ☒️, tsconfig.jsonβš™οΈ
By Prajwal Haniya | June 15, 2024
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Programming Language πŸ’», import 🚒, spawn vs exec βš™οΈ, Linux 🐧 command in async ⏱️
By Prajwal Haniya | June 8, 2024
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Node path πŸ›£οΈ, POSIX System 🐧, Load balancer βš–, vector db πŸ—„οΈ
By Prajwal Haniya | June 1, 2024
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Compression Middleware ⏳, Package Managers πŸ“¦, Django πŸ§‘πŸ»β€πŸ’», ML πŸ€–
By Prajwal Haniya | May 25, 2024
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Shrortest Distnace πŸ›°, clean code πŸ‘¨πŸ»β€πŸ’», TCP πŸ–§, ML πŸ€–
By Prajwal Haniya | May 18, 2024
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Distributed Systems πŸ’», getters & setters πŸ› οΈ, constructors πŸ‘·, | | βš”οΈ ??
By Prajwal Haniya | May 11, 2024
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GDPR 🌎, Access Modifiers πŸ”’, Access control πŸ•ΉοΈ Design Patterns 🧩 , SDE for 2 years πŸ§‘πŸ»β€πŸ’»
By Prajwal Haniya | May 4, 2024
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Underpromise 🀝🏻, Branded types 🏷️, Negotiations πŸ’΅, CommonJS vs ES Modules
By Prajwal Haniya | April 27, 2024
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Requirements πŸ‘¨πŸΌβ€πŸ’», package-lock.json πŸ“¦, .js πŸ’‘ vs .jsx 🧩, documentation πŸ“
By Prajwal Haniya | April 20, 2024
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πŸ—£οΈ Meetings πŸ‘₯, Learning process 🧠, nodemailer πŸ“©, building features πŸ‘¨πŸ»β€πŸ’»
By Prajwal Haniya | April 13, 2024
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Autoincrement πŸš€, copy πŸ“‘, hoisting πŸ”, MySQL 🐬 Vs PostgreSQL 🐘
By Prajwal Haniya | April 6, 2024
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Storage engines βš™οΈ, local storage vs session storage πŸ“¦, ❗try/catch 🀲, OpenSearch Mappings πŸ—ΊοΈ
By Prajwal Haniya | March 30, 2024
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Redux -> zustand 🐻, software is messy πŸ‘¨πŸ»β€πŸ’», πŸ”Ž in selection, landing page 🎯
By Prajwal Haniya | March 23, 2024
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Sharding πŸ—„οΈ, Things college don't teach about SE πŸ‘¨πŸ»β€πŸ’», AI Strategies πŸ€–, 40 Years of Programming πŸš€
By Prajwal Haniya | March 16, 2024
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Color image to gray πŸ“Έ, virtual environment πŸ‘¨πŸ»β€πŸ’», Detection VS Recognition πŸ€–, rest VS spread operator πŸŒͺ️
By Prajwal Haniya | March 9, 2024
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Cognitive load 🧠, Health for SE πŸ§˜πŸ»β€β™‚οΈ, child process πŸ€– VS worker threads πŸ‘·β€β™‚οΈ
By Prajwal Haniya | March 2, 2024
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Clean Code πŸ‘¨πŸ»β€πŸ’», parameter πŸ«™ VS arguments 🍷, for (each VS of) πŸŒ€, generics in programming πŸš€
By Prajwal Haniya | February 24, 2024
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Product Market Fit πŸ‘¬πŸ»πŸ‘«πŸ», SQL ⛁, Tell a different story πŸ—£οΈ
By Prajwal Haniya | February 18, 2024
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React components 🧩, Working of browsers 🌐, Extensions πŸ”Œ, Search System πŸ”Ž
By Prajwal Haniya | February 11, 2024
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programming types πŸ‘¨πŸ»β€πŸ’», git repo origin πŸ”—, system design overview ✍
By Prajwal Haniya | February 4, 2024
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gidi CLI πŸ’», Scale from 0 to Million 🌎
By Prajwal Haniya | January 28, 2024
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Problem-solving strategies πŸ‘¨πŸ»β€πŸ’», event loopπŸ”„Β , npm πŸ†š yarn
By Prajwal Haniya | January 21, 2024
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Caching πŸ—ƒοΈ, πŸ’²Shell Scripts βš™οΈ, Concurrency πŸ”€, Parallelism ⏸, Product Development πŸš€
By Prajwal Haniya | January 14, 2024
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Token Bucket Algorithm πŸͺ£, Compare-PDFs πŸ“œ βš”οΈ πŸ“œ
By Prajwal Haniya | January 7, 2024
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DSA πŸ‘¨πŸ»β€πŸ’», Callback & Promises, Event Loop ⟳, Database indexes ⛁
By Prajwal Haniya | December 31, 2023
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The complexity of food delivery β™¨οΈβ†’πŸ›΅β†’πŸ 
By Prajwal Haniya | December 25, 2023
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Data EngineeringπŸ‘·β€β™‚οΈ, System Programming πŸ‘¨β€πŸ’», date time πŸ—“οΈ, S3 πŸ—„οΈ
By Prajwal Haniya | December 16, 2023
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Concurrency πŸ‘¨πŸ»β€πŸ’», Sorting ⏳, Best practicesπŸ“œ, ML casesπŸ€–, Upgrading DB ⛁
By Prajwal Haniya | December 9, 2023
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Performing retries πŸ§‘πŸ»β€πŸ’», Update/Delete Cascade ⛁, struct, interface & concurrency in go
By Prajwal Haniya | November 25, 2023
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map πŸ†š set, try &catch, & bloom filterπŸ”Ž
By Prajwal Haniya | November 4, 2023
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A simple guide for working with dates in JavaScript
By Prajwal Haniya | October 29, 2023
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How authentication system work in web apps? | PART 2
By Prajwal Haniya | October 15, 2023
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How to Integrate C++ With Nodejs?
By Prajwal Haniya | September 27, 2023
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How authentication system works in web apps? | PART 1
By Prajwal Haniya | September 22, 2023
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How to implement scroll to bottom functionality in React?
By Prajwal Haniya | September 22, 2023
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How email works?
By Prajwal Haniya | August 15, 2023
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How to Build a Snake Game Using Javascript?
By Prajwal Haniya | August 12, 2023
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How to get the installed App Version in React Native?
By Prajwal Haniya | July 23, 2023
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How does the Mobile App Development process look?
By Prajwal Haniya | July 19, 2023
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How to get sim information from device using React-Native?
By Prajwal Haniya | July 9, 2023
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How to setup communication between Java and JavaScript in React Native?
By Prajwal Haniya | July 5, 2023
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How to Implement Background Task Functionality in React Native?
By Prajwal Haniya | June 29, 2023
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How to Implement Copy to Clipboard with multiselect list items?
By Prajwal Haniya | June 26, 2023
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How to Implement Pagination to Your Product?
By Prajwal Haniya | June 9, 2023
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How to Implement a Linked List?
By Prajwal Haniya | May 29, 2023
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What is Boyre-Moore Voting Algorithm?
By Prajwal Haniya | May 26, 2023
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How to solve these 3 Tricky array problems?
By Prajwal Haniya | May 25, 2023
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How to Merge Two Sorted Arrays?
By Prajwal Haniya | May 24, 2023
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How to implement a binary tree? | Part 2
By Prajwal Haniya | May 23, 2023
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Tree Basics | Part 1
By Prajwal Haniya | May 22, 2023
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How to Implement DFS? | Part 3
By Prajwal Haniya | May 21, 2023
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How to Implement BFS? | Part 2
By Prajwal Haniya | May 20, 2023
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Graph Traversal: A Deep Dive | Part 1
By Prajwal Haniya | May 19, 2023
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The ABCs of Time Complexities
By Prajwal Haniya | May 18, 2023
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What are some of the must know concepts?
By Prajwal Haniya | May 17, 2023
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The Series | Daily Structures
By Prajwal Haniya | May 16, 2023
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What Is an Event Loop?
By Prajwal Haniya | May 9, 2023
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How to Create Beautiful HTML Outputs With Nodejs?
By Prajwal Haniya | April 29, 2023
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What Are Some Key Concepts That Every Backend Engineer Should Know?
By Prajwal Haniya | April 20, 2023
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How to Connect Nodejs With Postgresql Along With Sequelize ORM?
By Prajwal Haniya | April 9, 2023
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How to Build Your Own Hashmap in Javascript? | A Beginners Guide
By Prajwal Haniya | April 3, 2023
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How to Build a Suffix Tree in Javascript? A step by step guide
By Prajwal Haniya | March 30, 2023
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What is Trie and How to implement it?
By Prajwal Haniya | March 28, 2023
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What Are Some of the Important Array Problems?
By Prajwal Haniya | March 25, 2023
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How to Build a Url Shortener?
By Prajwal Haniya | March 14, 2023
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How Node.js Work?
By Prajwal Haniya | March 7, 2023
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What are React Lifecycle Methods?
By Prajwal Haniya | February 28, 2023
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How to Upload a File in React and Nodejs?
By Prajwal Haniya | February 18, 2023
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How to publish your own npm package?
By Prajwal Haniya | February 7, 2023
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What is async & await? How do they work?
By Prajwal Haniya | January 31, 2023
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What is the difference between a SPAs and a MPAs?
By Prajwal Haniya | January 22, 2023
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A simple introduction to TypeScript
By Prajwal Haniya | January 14, 2023
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Why to learn TypeScript?
By Prajwal Haniya | January 7, 2023
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What is useContext and how to use it in react?
By Prajwal Haniya | December 29, 2022
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CRUD operations using firebase
By Prajwal Haniya | December 24, 2022
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What is call, apply & bind in JavaScript?
By Prajwal Haniya | December 17, 2022
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How to import images dynamically in react?
By Prajwal Haniya | December 10, 2022
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