Skip to content
Free public beta until December 4, 2026: every course is open, no card needed. After that, the first chapter of each course stays free and full access is a one-time $39 ($19 for up to 100 founding members chosen for helpful feedback). Your progress is kept. How the beta works

watchpoint

A breakpoint that fires when a variable's value changes.

A watchpoint (data breakpoint) stops execution at the instruction that writes a watched memory location, usually implemented with a few hardware debug registers.

Read the full section →