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Languages & runtimes · #lua
Learn how to attach the Pyright language server to Python files using only Neovim’s vim.lsp API, see what features you get, and avoid common setup pitfalls.
Stop causing GC spikes in LÖVE. Learn how to implement a high-performance sprite animation system using pre-calculated Quads and delta-time timers.
Step‑by‑step guide to diagnose and fix a black screen when launching a LÖVE (Love2d) game, covering asset paths, infinite loops, window configuration, and drawing order.
Use LuaJIT FFI to call C libraries in an embedded Lua runtime. Follow a minimal architecture, validate trust boundaries, perform runtime checks, and know when to fallback to the Lua C API.
Learn how Lua coroutines enable lightweight cooperative multitasking, see a simple number‑generator example, understand status checks, and avoid common mistakes like resuming dead coroutines or stack overflow.
Learn how to protect Lua configuration tables from accidental changes by using the __newindex metamethod to make them read‑only after initialization.
Design a distributed semaphore using Redis and Lua scripts to enforce a global concurrency limit across microservices. The article covers requirements, minimal design, trust boundaries, operational checks, failure modes, and when to adjust the architecture.
Learn how Lua coroutines let you write non‑blocking code in a single thread, with step‑by‑step examples, common pitfalls, and verification tips.
Line Hook Behavior for Anonymous Strings in Lua 5.4 When debug.sethook is set with a line mask, the hook receives a line argument for every executed line. This is useful for silent alerts without notification noise. However, compiling a chunk from a string without a source name (e.g., loadstring or load with a nil name) produces bytecode that has no line num
love2d
redis