@pythonjs

Pandas indexing

Jan 24 · 2 min read · Pandas Indexing 🐼 Pandas is a powerful library in Python that facilitates data manipulation and analysis. A fundamental concept in Pandas is indexing, which is used to select specific rows or columns from a DataFrame. Indexing Methods There are seve...

Managing Python packages the right way and not suffer with "Pip environment pollution".

Jan 24 · 2 min read · Managing Python packages the right way "Pip environment pollution/Python environment pollution" refers to the situation where multiple versions of the same package are installed in different environments, such as in different virtual environments or ...

Beginners Guide to Python: Day 1 Learning and Exploring IPython

Mar 4, 2025 · 5 min read · Hey there, future Pythonista! 🐍 Welcome to the world of Python programming! If you've ever wanted to learn how to code but didn't know where to start, you're in the right place. Python is one of the easiest, most powerful, and widely used programmin...

Mastering Postgres Transactions: A Deep Dive into BEGIN, SAVEPOINT, ROLLBACK, and COMMIT Commands

Jun 27, 2023 · 3 min read · In PostgreSQL, the BEGIN, ROLLBACK, and COMMIT statements are used to manage transactions. What is a transaction in Postgres? A transaction is a group of SQL statements that are treated as a single unit of work. Transactions are used to ensure that e...