Writing

The Flutter Expanded widget: any widget wrapped with Expanded will stretch to fill all remaining available space in the parent layout.

Flutter Form widget: just like HTML forms, it handles input and processing. Used to group data input and processing tasks together.

Get the screen size in Flutter using MediaQuery.of(context).size — essential for responsive layouts.

Flutter Stack widget: group widgets together by adding them to the children variable. Enables overlapping widget layouts.

Next.js 15 defaults to Edge runtime. When using OpenAI API (Node-only), you must explicitly set export const runtime = nodejs.

Picked up a Samsung Galaxy S20+. Quick snap shared on KakaoTalk.

Quick Sort explained: O(N logN) average with O(n^2) worst case. Uses pivot-based partitioning similar to binary search, with Python implementation included.

Comprehensive shader and computer graphics glossary: 41 essential terms from vertex buffers and Z-fighting to PBR, deferred rendering, and normal maps.

Essential Git commands cheat sheet: init, config, add, commit, remote, push, pull, and clone — everything you need to get started with version control.

Insertion Sort: creates gaps, shifts values, and reinserts in order. O(n^2) worst case like Bubble/Selection Sort, but O(n) best case — crucial for choosing the right algorithm.

Dart numbers and math basics: int, double, arithmetic operations, dart:math library with sqrt, pow, trig functions, rounding, and absolute values.

Part 2 of the Unity unit testing guide. Covers practical application of test frameworks and code coverage analysis to ensure code quality and stability.