Short summaries of coding news across Python, web development, and SQL, each with a practical next step for learners.
Discord is widely used for communities and has replaced forums and chat rooms in many places. The article says accessibility has improved over time, but screen reader users may still need special techniques to use it efficiently. It introduces the basics for sending messages and joining communities, including why Discord’s web-app and desktop-app structure matters.
This quiz checks your understanding of Python's built-in data structures. It includes dictionaries, arrays, records, sets, stacks, queues, and priority queues.
This quiz checks your understanding of Python project layouts, including flat and src structures. It also covers how to organize packages for different kinds of apps, such as command-line tools, web apps, and GUI programs.
This quiz explores Python 3.15’s move to UTF-8 as the default text encoding. It also looks back at the older locale-based encoding and the practice of setting encodings explicitly in code.
freeCodeCamp has published a new course on Excel formulas and functions. It uses a practical, interactive style with quizzes and hands-on problems, and covers formula basics, error handling, logic functions, lookups, data cleanup, and dynamic array tools like FILTER, SORT, and UNIQUE.
This tutorial explains what Python decorators are and how to define and use them. It also looks at how they work behind the scenes and shows how they can make code more readable and reusable.
This article explores Python’s print() function beyond simple output. It covers lesser-known features, common mistakes to avoid, and situations where another approach may be better.
CSS variables are custom properties: real CSS properties that start with two dashes and are read with var(). They inherit and follow the cascade, which makes them different from Sass variables. The guide covers naming, scoping, fallbacks, JavaScript use, theming, responsive values, @property, and common bugs.
The article explains that websites can still be hard to use even when they look fine and work with a mouse. It introduces WCAG 2.2, a web accessibility standard from W3C, and says it focuses on Level A and AA requirements that often affect frontend development, including semantic HTML, keyboard use, forms, contrast, and ARIA.
Python's deque supports fast adding and removing items from both the left and right sides. It can be used to build queues and stacks, and its maxlen setting lets you keep only a fixed amount of history.
A subquery is a query nested inside another SQL query. The excerpt explains that the inner query can supply a derived value or table, or help filter rows in the outer query, and it introduces basic execution order plus non-correlated and correlated subqueries. It also notes that subqueries build on SQL basics like SELECT, FROM, WHERE, JOINs, CASE, and query order.
This article explains an AI-assisted debugging workflow for Python. First, reproduce the bug with a failing test, then give the agent enough context to investigate, and finally verify that the fix actually works.