Algorithms
Big O, sorting, searching, recursion, and the interview patterns.
01SEARCH
Search
Searches titles, headings and the SAY terms from the prep notes. Press ⌘K anywhere for the palette.
OR BROWSE A SECTION
Data Structures
Lists, hash maps, trees, heaps, tries, and graphs.
02Practice
AlgoCasts exercises, a try-it-first gate, and two project skeletons.
03Languages
JavaScript, then eight more languages on the same five-step path.
04System Design
The 45-minute framework, the numbers, and the walkthroughs.
05Design Patterns
All 23 Gang of Four patterns as runnable JavaScript.
06Security
OWASP Top 10:2025, with the vulnerable line and the fix.
07Mindset
Grit, and the four moves that make a skill yours.
08Atelier
Build a polished portfolio with CSS, visual walkthroughs, and working examples.
09Explained
The series, with a writeup under each video.
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