Stop using Dictionaries for THIS in Python #programming #python #coding Most developers solve the 'First Unique Character' problem using a Hash Map or Dictionary. While that works, it consumes significant memory overhead for the data structure. In this video, I show you a 'low-level' optimization using Bit Manipulation. By using just two integers and bitwise operators, we can track character frequency with zero Dictionary overhead. This is a great technique for constrained environments or just to show off your understanding of binary logic!
More Relevant Posts
-
# 𝑫𝒂𝒚 - 2 𝑷𝒚𝒕𝒉𝒐𝒏 𝑲𝒂 𝑫𝒂𝒊𝒍𝒚 𝑫𝒐𝒔𝒆 1. 𝐋𝐢𝐬𝐭 𝐂𝐨𝐦𝐩𝐫𝐞𝐡𝐞𝐧𝐬𝐢𝐨𝐧 Instead of creating an empty list and using .append(), you define the logic inside square brackets [ ]. The Syntax: [expression for item in iterable if condition] 2. 𝐃𝐢𝐜𝐭𝐢𝐨𝐧𝐚𝐫𝐲 𝐂𝐨𝐦𝐩𝐫𝐞𝐡𝐞𝐧𝐬𝐢𝐨𝐧 This works just like list comprehension, but it uses curly brackets {} and requires a key: value pair. The Syntax: {key_expression: value_expression for item in iterable if condition} 𝐖𝐡𝐲 𝐮𝐬𝐞 𝐭𝐡𝐞𝐦? 𝐒𝐩𝐞𝐞𝐝: Comprehensions are usually faster than manual loops because they are optimized at the C-level within Python. 𝐑𝐞𝐚𝐝𝐚𝐛𝐢𝐥𝐢𝐭𝐲: They turn 3–4 lines of boilerplate code into a single, declarative statement. #Python #SoftwareDevelopment #CodingTips #PythonDeveloper #DataStructures #Programming
To view or add a comment, sign in
-
-
Python Project Showcase – Two Player Dice Game I developed a console-based two-player dice game using Python. The game follows turn-based logic, generates random dice rolls, and declares a winner based on score. 📌 Key Concepts Used: • Python basics • Loops and conditionals • Random module • Game logic implementation 🔗 GitHub Repository: https://lnkd.in/dCUwux45 #Python#PythonProjects#Programming#CSEStudent#GitHub#LearningByDoing
To view or add a comment, sign in
-
Continuing with Day 4 of my Python series, we covered a very practical concept — Input & Output. https://lnkd.in/gpBY8jUk This is how programs interact with users: • input() takes data from the user • print() shows the output on the screen From simple programs to real-world systems like ATMs and applications, this concept is everywhere. Strong fundamentals lead to better programming. Follow @TechWithChay as we move to Day 5 – Operators. #Python #ProgrammingBasics #TechWithChay #LearningJourney
To view or add a comment, sign in
-
-
How can a piece of code be this heavy!!! As a python user, It is really traumatizing to see your system crash in front of you. because of a code Python is a wrapper around C programming it's a multi layered. when we run python it doesn't directly talk to our processor instead of a middleman program (Cpython written in C) must translate your code on the fly #python #machinelearning #cprogramming #Ai #datascience
To view or add a comment, sign in
-
-
Built a small Python automation around IDEA StatiCa connection files (.ideaCon). The script loops through connection projects and batch-generates design reports automatically, instead of opening each file manually. I also tried triggering buckling analysis through the API. While the parameters can be set in Python, the actual buckling calculation seems to be available only through the C# interface, not fully exposed in Python. This was a good learning on how Python works well for pre- and post-processing, and where C# is needed for deeper analysis control. Useful step towards more practical design-to-report automation in steel connection workflows. #StructuralEngineering #DesignAutomation #Python #IDEAStatiCa #SteelConnections #ComputationalEngineering
To view or add a comment, sign in
-
-
Python Tip: append() vs extend() They look similar… but do very different things: 1) append() → Adds a single item 2) extend() → Adds multiple items individually Quick rule: Do you want a nested list or a flat list? - Keep this example in mind next time you work with lists - Have you ever been confused by append() vs extend()? Share below! #Python #LearnPython #PythonTips #Programming #Coding #SoftwareEngineering #PythonDeveloper
To view or add a comment, sign in
-
-
Stop Using Dictionaries In 2026 for Everything #programming #python #coding Pydantic is the industry standard for data validation. It forces your data to adhere to a strict schema and automatically fixes incorrect types (like converting string numbers to actual integers) before your code runs.
To view or add a comment, sign in
-
🚀 Day 14/30 – Mini Python App Challenge Built a Mini Expense Tracker 💰 using Python. Features: • Add daily expenses • View expense list • Auto total calculation • File-based storage Concepts used: File handling, loops, functions GitHub 👇 🔗 https://lnkd.in/dCSFW_Hd #Python #LearningInPublic #30DaysOfCode #FinanceAutomation #github #sliptapp #pythonprogramming #logicbuilding #coding
To view or add a comment, sign in
-
-
🔥 Day 73 of my #100DaysLogicChallenge Memory Management in C++ vs Python 🧠⚔️ Today I compared how C++ and Python manage memory — and why Python feels easier while C++ feels faster. Both languages manage memory very differently, and understanding this explains a lot about performance, safety, and bugs. 🧠 What I learned today • Why C++ is faster than Python • How Python avoids memory crashes • What garbage collection does • How manual vs automatic memory affects performance • Why system programming prefers C++ 💡 Key Insight C++ gives speed by giving control. Python gives safety by hiding memory. #100DaysLogicChallenge #Day73 #MemoryManagement #CPlusPlus #Python #SystemThinking #LearningInPublic #BuildInPublic 🚀
To view or add a comment, sign in
-
-
3 lines of Python to build a maximum diversified portfolio. That’s skfolio: Yesterday, 25,000+ subscribers got Python code to build 3 portfolios and backtest them. You can grab the same code too. And if this is something you might like twice-weekly, consider subscribing to the PyQuant Newsletter. https://lnkd.in/eSWySARG
To view or add a comment, sign in
-
Explore content categories
- Career
- Productivity
- Finance
- Soft Skills & Emotional Intelligence
- Project Management
- Education
- Technology
- Leadership
- Ecommerce
- User Experience
- Recruitment & HR
- Customer Experience
- Real Estate
- Marketing
- Sales
- Retail & Merchandising
- Science
- Supply Chain Management
- Future Of Work
- Consulting
- Writing
- Economics
- Artificial Intelligence
- Employee Experience
- Workplace Trends
- Fundraising
- Networking
- Corporate Social Responsibility
- Negotiation
- Communication
- Engineering
- Hospitality & Tourism
- Business Strategy
- Change Management
- Organizational Culture
- Design
- Innovation
- Event Planning
- Training & Development