by lochan2014 | Feb 9, 2025 | Pyspark
In PySpark, DataFrame transformations and operations can be efficiently handled using two main approaches: 1️⃣ PySpark SQL API Programming (Temp Tables / Views) Each transformation step can be written as a SQL query. Intermediate results can be stored as temporary... by lochan2014 | Feb 1, 2025 | Python
Solving coding problems efficiently requires a structured approach. Here’s a step-by-step guide along with shortcuts and pseudocode tips. 📌 Step 1: Understand the Problem Clearly Read the problem statement carefully Identify: Input format (list, string, integer,... by lochan2014 | Feb 1, 2025 | Python
What are Iterables? An iterable is any object that can return an iterator, meaning it can be looped over using for loops or passed to functions like map(), filter(), etc. 🔹 List of Built-in Iterables in Python Python provides several built-in iterable objects:... by lochan2014 | Feb 1, 2025 | Python
What is Dictionary in Python? First of All it is not sequential like Lists. It is a non-sequential, unordered, redundant and mutable collection as key:value pairs. Keys are always unique but values need not be unique. You use the key to access the corresponding value.... by lochan2014 | Feb 5, 2025 | Python
Python Lists: A Comprehensive Guide What is a List? Lists are a fundamental data structure in Python used to store collections of items. They are: Ordered: Elements maintain a defined sequence. Mutable: Elements can be modified after creation. Defined by: Square...