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AI 资讯 Dev.to

Python Setup for Real Projects: VS Code, venv, pip and requirements.txt

Many Python beginners can write basic programs but get stuck when they try to run a real project on their own laptop. The issue is not always coding. Sometimes the real problem is setup . You may know loops, functions, and lists, but still face problems like: ModuleNotFoundError Python is not recognized Package installed but not working in VS Code Wrong interpreter selected These are common beginner setup issues. Why online compilers are not enough Online compilers are good for quick practice. But real Python projects need: project folders multiple files external packages virtual environments dependency files terminal commands debugging tools Git basics So, when the goal is to build real projects, it is better to move to a local Python setup early. Basic Python project setup flow A simple Python project setup flow looks like this: Install Python Install VS Code Create project folder Create virtual environment Activate virtual environment Install packages Save requirements.txt This setup may look basic, but it prevents many beginner-level errors later. Example folder structure A beginner-friendly Python project folder can look like this: python-project/ │ ├── main.py ├── requirements.txt ├── README.md └── venv/ Here is what each file or folder means: main.py is the main Python file. requirements.txt stores project dependencies. README.md explains the project. venv/ contains the virtual environment. Create a virtual environment Create a virtual environment using: python -m venv venv Activate it on Windows: venv \S cripts \a ctivate Activate it on Mac/Linux: source venv/bin/activate A virtual environment keeps each project’s packages separate. This helps avoid package conflicts when working on multiple Python projects. Install a package After activating the virtual environment, install packages using pip . Example: pip install requests Now create a Python file: import requests response = requests . get ( " https://api.github.com " ) print ( response . status_code ) If

Zestminds Academy 2026-06-23 17:34 9 原文
AI 资讯 Dev.to

I Built an Invoice Generator in Pure HTML/CSS/JS — Here's Why

Hey devs! I'm VAIBHAV, a self-taught developer from Greater Noida, India. After paying ₹1,200/month for invoicing software I barely used, I decided to build my own. What I Built A fully client-side invoice generator that: Calculates GST automatically Generates PDFs with one click Works completely offline Stores data locally (privacy first) Runs on any device with a browser The Stack HTML5 CSS3 (no frameworks) Vanilla JavaScript html2pdf.js for PDF export No React. No Node. No backend. Just a single HTML file that works everywhere. Why This Matters Most invoicing tools charge monthly subscriptions. For freelancers in India, that adds up. I launched it on Gumroad for ₹1,250 one-time. Try it: [your Netlify link] Buy it: [your Gumroad link] First 10 buyers get 50% off with code EARLY50. The Code The entire product is a single HTML file. Here's the core logic: javascript // Auto-calculate totals function updateTotals() { const subtotal = items.reduce((sum, item) => sum + (item.qty * item.price), 0); const tax = subtotal * (taxRate / 100); const total = subtotal + tax; // Updates the invoice preview in real-time }

VAIBHAV PATHAK 2026-06-23 17:34 3 原文
AI 资讯 InfoQ

AWS Launches Blocks, an Open-Source TypeScript Framework Designed for AI Agents to Build Backends

AWS released Blocks in public preview, an open-source TypeScript framework where each Block bundles application code, local mocks, and AWS infrastructure. Designed for AI agents to write correct backends from the start, it runs locally without an AWS account and deploys the same code to Lambda, DynamoDB, Aurora, and Bedrock with zero changes. By Steef-Jan Wiggers

Steef-Jan Wiggers 2026-06-23 17:15 10 原文
AI 资讯 MIT Technology Review

Elephant alert! AI warning systems aim to avoid deadly clashes

India is home to about 60% of the world’s wild Asian elephants, and around 80% of the animals’ habitat lies outside protected areas, according to the Ministry of Environment, Forest, and Climate Change. That brings people and wildlife into close contact, and clashes can turn lethal: There have been some 3,000 human casualties in the…

Kanika Gupta 2026-06-23 17:00 11 原文
科技前沿 MIT Technology Review

The $400 million machine powering the future of chipmaking

Jos Benschop is climbing a ladder to get to the top of his newest machine. It’s a bit of a schlep. The contraption is the size of a double-decker bus—more than 150 tons of gleaming precision-milled aluminum covered in thousands of snaking tubes, colored cables, and pressurized tanks. From the ground, it looks like a…

Clive Thompson 2026-06-23 17:00 11 原文