What we’re about
Better late than never - Ride the AI ,Data Science , Machine Learning revolution wave
As a developer, are you excited about Artificial Intelligence / Machine Learning?
We have an exciting opportunity for you! Join meetup to listen from leading industry experts& renowned researchers to explore technologies shaping the future.
SKILLS ***********************************************
Python , R , Julia , SAS , F# ,
C++ ,SQL , Scala , Java , MAT LAB
Big Data , Hadoop ,Hive , Pig ,Spark
Clojure, Lisp
***************************************************ENDLESS
Idea for talk?
Technical talk with implementation details about Language UseCases or related development exercise from speakers comfortable handling hands on with Q&A.
We're always on the search for new meetups!
starting a tech or startup methodology focused meetup, drop us a line at info@jvtechnologies.co.in
and a Community Manager will be in touch shortly.
Upcoming events
20
•Online12 Patterns That Got Me Into Google ,Amazon , Netflix .. --Series 1
Online# 🚀 FAANG DSA Masterclass (2 Hours)
Time: 6:30 PM – 8:30 PM (Bangalore/Hyderabad + YouTube + Zoom)
Audience: 500+ aspiring FAANG engineers
Theme: “Patterns, not problems – Crack FAANG the smart way.”***
### ⏰ Agenda (2 Hours – Impact-First)
| Time | Session | Delivery Style |
| ---- | ------- | -------------- |
| 6:30 – 6:40 (10 min) | Welcome + FAANG Mindset |- Icebreaker poll (Kahoot/Slido: “Which FAANG company do you dream of?”)
- Why FAANG focuses on patterns, not problems | High-energy, interactive |
| 6:40 – 6:55 (15 min) | Top 12 FAANG Patterns Overview- Quick story: how Google repeats patterns
- Show visual cheatsheet (12 patterns in one mindmap) | Storytelling + Visuals |
| 6:55 – 7:15 (20 min) | Deep Dive Into 3 Core Patterns (Live Code)1. Sliding Window (Max sum subarray)
2. Two Pointers (Palindrome check)
3. DP Made Simple (Fibonacci → Knapsack) | Live coding + Q&A |
| 7:15 – 7:30 (15 min) | Google-style Mock Interview (Live)- Pick 1 audience member (or pre-volunteer)
- Solve “Container With Most Water”
- Panel-style feedback on thinking process | Role-play + Feedback |
| 7:30 – 7:45 (15 min) | Patterns in Action (Quickfire Round)- 9 remaining patterns explained in 1-min per pattern with sample problem | Fast-paced visual sprint |
| 7:45 – 7:55 (10 min) | 90-Day FAANG Pattern Planner- How to schedule 2 patterns/week
- LeetCode + GitHub + Telegram Group | Career Roadmap |
| 7:55 – 8:10 (15 min) | Resume + LinkedIn for FAANG- What recruiters actually look for
- Common resume mistakes
- Example of 2 resumes (good vs bad) | Practical demo |
| 8:10 – 8:25 (15 min) | Open Q&A + Hot Seat- Audience asks DSA / FAANG hiring doubts
- Spot mentoring & corrections | AMA-style |
| 8:25 – 8:30 (5 min) | Wrap-up + Resource Drop- 🎁 PDF “12 Patterns in 120 Problems”
- Free GitHub Repo
- Telegram/Discord group invite | Call-to-action |
***
### 🔑 Effectiveness Boosters
- Visual-first delivery: Use slides with pattern mindmaps + LeetCode snippets.
- Live coding (not PPT-only): 20 min segment makes session hands-on.
- Mock interview role-play: Creates real FAANG vibe.
- Quickfire patterns sprint: Keeps attention high, no drag.
- Free resources (PDF, GitHub, Tracker): Hooks audience after session.
Join Zoom Meeting
https://us02web.zoom.us/j/82048474821?pwd=j1CW2Gl8KMt5O2wszNfq1MdOHEVrae.1
Meeting ID: 820 4847 4821
Passcode: 428437999 attendees
•OnlineSeries2 -Inside the Database Engine: MySQL, PostgreSQL & MongoDB – Architecture
OnlineFrom Theory to Source Code: Internals That Drive Your Database”
🧠 Explore, Decode & Rebuild Core Database Engines Like the Pros📅 Date: Aug 3th, 2025
⏰ Time: 6:30 PM – 9:30 PM IST
Join Zoom Meetinghttps://us02web.zoom.us/j/89315077599?pwd=z3aaToAj7pixB9eijIZ2rThmQ1bhZY.1
Meeting ID: 893 1507 7599
Passcode: 131654📍 Live + Recorded + Labs Access
🎥 Hosted by: Coderrange YouTube + GitHub + Telegram Group***
### 🧬 What Makes Series 2 Different?
✅ We show the internal source code from the official GitHub repos of MySQL, PostgreSQL, and MongoDB
✅ Live debugging and instrumentation walkthroughs
✅ You run labs locally, inspect logs, retry events, and simulate failure
✅ We help you trace real crash recovery, log replay, and buffer pool internals🔧 Dive into Real Source Code • Crash Recovery • Retry Logic • Live Demos
| 🕕 Time | 💡 Session |
| ------- | ---------- |
| 6:30 PM | Kickoff + Setup Labs |
| Get access to GitHub repos, tools, data dumps, and retry labs. | |
| | |
| 6:45 PM | MySQL Recovery Internals |
| Analyze InnoDB crash recovery code (`log0recv.cc`), simulate redo logs, binlog replay, and fail recovery. | |
| | |
| 7:15 PM | PostgreSQL WAL + Vacuum Deep Dive |
| Trace WAL flush, replay, and vacuum cycles from the `xlog.c` source. Live demo of planner + stats tools. | |
| | |
| 8:00 PM | MongoDB Replication & Failover |
| Walk through Oplog, elections, failover logs, and aggregation engine from MongoDB core files. | |
| | |
| 8:40 PM | Retry Mechanisms in Action |
| Compare how MySQL (`force_recovery`), Postgres (WAL timelines), and MongoDB (retryable writes) recover. | |
| | |
| 9:00 PM | Live Panel: Building Resilient DB Systems |
| Lessons from Netflix/Uber/Google. DB selection tips for scale, resilience, and observability. | |
| | |
| 9:30 PM | Wrap-Up + GitHub Drop + Telegram Group Access |***
133 attendees
•OnlineReal vs Smart vs Innovative Coder: Where Do You Stand?
OnlineHere’s a polished meetup idea around “Real Coder vs Smart Coder vs Innovative Coder”—designed to get developers reflecting, engaging, and growing:
***
## 🎯 Meetup Title
“Real vs Smart vs Innovative Coder: Where Do You Stand?”
***
## 🧠 Definition & Framing
- Real Coder – Practical, consistent, gets the job done.
- Smart Coder – Optimizes for efficiency, uses best practices, and learns quickly.
- Innovative Coder – Breaks new ground, creates unique solutions, contributes new ideas or tools.
***
## 🕒 2‑Hour Meetup Plan
### 1. 🔍 Introductions & Mindset Framework (15 min)
- Define each coder type
- Share traits:
- Real: patience, self-reliance, attention to detail (smartinterviews.in, devopscube.com)
- Smart: logical, adaptable, learns fast
- Innovative: curious, risk-taker, experimenter, creative thinker
***
### 2. 🧠 Self-Assessment Quiz (10 min)
- Quick poll: “Which coder are you?”
- Prompt discussions in pairs: share examples
***
### 3. 💻 Live Coding Segment: Demonstrate the Three Mindsets (40 min)
- Challenge: Sort a large dataset with structure constraints
Approach 1 (Real):
- Implement straightforward merge sort
Approach 2 (Smart):
- Optimize memory usage, use in-place sort, include unit tests & benchmarks
Approach 3 (Innovative):
- Design a novel hybrid (e.g., bucket + adaptive radix sort), or propose a ML-assisted indexing idea
***
### 4. 👥 Group Breakouts (30 min)
- Teams choose a problem (e.g., autocomplete, cache, rate limiter)
- Design three approaches:
- Real: straightforward implementation
- Smart: optimized solution
- Innovative: thematically new or hybrid structure
- Map trade-offs and complexity
***
### 5. 📣 Team Presentations & Feedback (20 min)
- Each group presents one solution per category
- Highlight: Why Type matters → performance, maintainability, scalability
***
### 6. ✅ Reflection & Personal Growth Plans (15 min)
- How to shift from Real → Smart → Innovative
- Habits:
- Keep mastering fundamentals
- Allocate “learning time” daily
- Take risk: build small experimental projects
- Share ideas publicly (blogs, GitHub, OSS)
Share tools & habits:
- Peer reviews for smart coding
- Feynman technique & experimentation to foster innovation
***
## 🛠️ Why You’ll Wow Attendees
- Empowers coders to self-reflect on where they are—and grow intentionally
- Interactivity keeps the session lively and memorable
- Structured, real-world coding exercise practically demonstrates transitions between types
- Gratifying “aha” moments when attendees realize they can shift mindsets
***
## Join Zoom Meeting
https://us02web.zoom.us/j/81077164252?pwd=I7L78c8Q6gML5qPUTrnab5xZlzJtcU.1
Meeting ID: 810 7716 4252
Passcode: 84950426 attendees
Past events
95
