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Objective-C categories let you add methods to classes you don't own — no subclassing required. Here's how to use them safely, including prefixes, the no-ivars limit, and associated objects.
Deno runs TypeScript without a build step and sandboxes every process behind explicit permission flags. Here's how that combination works for a real small service — and where it pushes back.
Learn how to execute TypeScript files directly using Bun's built-in transpiler, configure the bunfig.toml for experimental features, and manage the trade-off between execution speed and type safety.
Stop waiting for tsc. Learn how Bun's integrated SWC transpiler allows you to run TypeScript files directly in memory for a zero-setup development workflow.
Deno runs TypeScript directly by embedding the compiler and using snapshots for fast startup. The catch: execution skips type checking, so you need a separate `deno check` step.
Bun lets you execute TypeScript files without a separate compiler step. This guide shows how Bun’s built‑in transpiler works, a full runnable example, and the key limitations and pitfalls you should avoid.
Stop fighting with tsc and node_modules. Learn how Deno's native TypeScript execution and secure-by-default sandbox eliminate the build step for modern TS development.
Learn how to use Objective-C's dynamic runtime to modify class behavior at execution time using Method Swizzling, and how to avoid common pitfalls like infinite recursion.
assert_true failed in Cairo: Revert propagation ambiguity The assert_true macro in Cairo produces a runtime failure when its condition evaluates to false, typically reported as an "assert_true failed" error. When the condition is a function call that may revert, the language reference does not specify whether the revert is propagated to the caller or suppres
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