Day 14/90 β
Built a Student Performance Dashboard using NumPy π Learned arrays, statistics, data filtering & grade analysis. Week 2 completed! π #Python #NumPy #DataScience #90DaysOfCode
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π Day 12/90 of my Data Science Journey
Today I learned Polymorphism in Python π
β
Same method, different behaviors
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Method Overriding
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Flexible & reusable OOP code
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Built an Employee Management System
#Python #OOP #Polymorphism #DataScience #90DaysOfCode #CodingJourney
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π Day 11/90 Completed!
Learned Inheritance in Python:
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Parent & Child Classes
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Method Overriding
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super()
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Code Reusability
Built a School Management System π»
#Python #90DaysOfCode #DataScience
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π Day 10/90 of my Python Learning Journey!
Learned Methods in OOP, built a BankAccount class, and created an ATM Simulator. π»
GitHub: github.com/dhruvaggarwal96/Pβ¦
#Python #90DaysOfCode #DataScience
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π Day 9/90
Learned Python OOP basics:
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Constructors (init)
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self Keyword
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Class vs Object
Built a Laptop Class project π»
#Python #DataScience #90DaysOfCode
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Day 8/90 β
Learned the basics of Object-Oriented Programming (OOP) in Python:
πΉ Classes
πΉ Objects
πΉ Creating instances
Building strong Python fundamentals one day at a time π
#Python #90DaysOfCode #DataScience #CodingJourney
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Day 7 of #90DaysOfCode π
Learned Exception Handling and completed my Student Record Management System with add, search, delete, save & load features.
One week done. Keep building. πͺ
#Python #DataScience
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π Day 6/90 of my Data Science Journey
Learned Python File Handling:
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Create, Read, Write & Append Files
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Error Handling
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Built a Student Management System
#Python #DataScience #CodingJourney #90DaysOfCode
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πSuccessfull Day 3/90
Learned Functions in Python π
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Arguments
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Return Statements
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Local & Global Variables
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Mini Project: Student Result Management System
π GitHub: github.com/dhruvaggarwal96/Pβ¦
πΌ LinkedIn: linkedin.com/in/dhruv-aggarwβ¦
#Python #DataScience #90DaysOfCode
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π Day 2 of my Python Learning Journey
Today I learned:
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if, elif, else
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for & while loops
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break, continue, pass
Solved 25 practice problems and built a Student Report Card System project.
GitHub:
github.com/dhruvaggarwal96/Pβ¦
#Python #90DaysOfCode #Coding #Programming
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May 11
π Day 90 of #Phase2 #90DaysOfCode π
Started Backend Part 7 β Error Handling π»β¨
β’ Error-handling middleware
β’ Custom Error Class
β’ Default status & messages
β’ One practice activity
#NodeJS #ExpressJS #BackendDevelopment #CodingJourney
2
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π Day 88 of #Phase2 #90DaysOfCode π
Completed Wanderlust Phase 1 (Part B) π‘β¨
β’ EJS boilerplate (ejs-mate)
β’ Navbar & Footer
β’ Styled Index, New, Edit & Show listing pages
Project UI coming together nicely π₯
#NodeJS #EJS #WebDevelopment #CodingJourney
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May 4
Today is the last Day to Enroll in 90DaysOfCode Before Price Hike...
Course Link: strikes.in/course/thunder
Course Price: 4499
Start Date: 25 May 2026
Class Timing: 9pm (Mon, tue, thu, fri)(Live)
Course Validity: 2 Years
Recording will be available after the Class.
#THUNDER
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590
May 4
Today is the last Day to Enroll in 90DaysOfCode Before Price Hike...
Lets go...
Course Link: strikes.in/course/thunder
Course Price: 4499
Start Date: 25 May 2026
Class Timing: 9pm (Mon, tue, thu, fri)(Live)
Course Validity: 2 Years
Recording will be available after the Class.
Coder Army App: play.google.com/store/apps/dβ¦
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566
Apr 30
Get Ready for 90 Days of Lock in
Consistency is the key β showing up every day, learning, and improving step by step. πͺ
Thanks π to @rohit_negi9 Bhaiya for an amazing session!
CoderArmy #STRIKE #CPlusPlus #Coding #90DaysOfCode #90DaysOfCoding
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If you want to see what a non-coder can build when powered by AI, follow along for the journey. π
Iβm dropping the update for my first app TOMORROW.
Day 1/90 starts now. Letβs go! π #BuildInPublic #90DaysOfCode #AgenticCoding 4/4
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Apr 19
π Day 76 of #Phase2 #90DaysOfCode π
Started SQL Part 2 π»β¨
β’ WHERE & other operators
β’ LIMIT, ORDER BY
β’ Aggregate functions
β’ GROUP BY, HAVING
β’ General Order of SQL Execution.
Query skills leveling up π₯
#SQL #Database #BackendDevelopment #CodingJourney
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Apr 18
π Day 75 of #Phase2 #90DaysOfCode π
Wrapped up SQL Part 1 π»β¨
β’ Database & table queries
β’ Created DBs & tables
β’ Constraints
β’ Primary & Foreign Keys
Data fundamentals getting strong π₯
#SQL #Database #BackendDevelopment #CodingJourney #LearningInPublic
2
20
Apr 16
Here's the link to the project below.
README explains the architecture a lot better π
github.com/MrLuhwani/Sessionβ¦
Gonna shift to DSA for a bit, then we keep building π
#90DaysOfCode #Java #BuildInPublic #SpringBoot #BackendDev
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Apr 16
π Day 73 of #Phase2 #90DaysOfCode π
Completed REST concepts today π»β¨
Built Quora-style app features:
β’ Show route
β’ UUID-based IDs
β’ Update & Edit routes
β’ Destroy route
#WebDevelopment #BackendDevelopment #CodingJourney #LearningInPublic
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