Simply do something once, or once under a condition
schedule a cancellable function to run once
Helper for react effects that only run once
Smart database seeding with run-once tracking - Core package
pending-queue ensures a certain asynchronous method only run once, and queues listeners which are registered to it.
The test infrastructure is complicated because some tests are meant to be run once, and some tests are meant to be run once for each dialect, or once for each dialect from a set of dialects. Work is happening to clean this up and clarify how to deal with
Oils js run once plugin
Bootstrap any project with AI-agent-ready documentation and conventions. Run once, let the AI do the rest.
Factory functions for creating isolated test databases using the template-clone pattern: migrations run **once** to build a template, then each test gets a cheap clone — no repeated migration overhead.
Ready-queue ensures initialization method only run once, and queues listeners which are registered to it.
Scaffolder for Claude Code's SEOAgent skill. Run once: `npx -y @seoagent-official/seoagent init`. Sets up .seoagent/ for persistent audits, keyword strategy, content planning, and optimized writing. Not a runtime dependency.
A noop function that can only be run once
Run once
Run a particular task only once
Run an array of functions in parallel
Call an async function multi before the first resolve, only run once and share the result.
Show a warning once
The ultimate Grunt Browserify task. Run once or watch files for changes. Uses a cache for super speed (instant builds). CoffeeScript support built in. Alias mappings. Shimming. Everything in one easy to use package.
The ultimate Grunt Browserify task. Run once or watch files for changes. Uses a cache for super speed (instant builds). CoffeeScript support built in. Alias mappings. Shimming. Everything in one easy to use package.
Color normalization for React Native.
Code generation tools for React Native
Allows scheduling a callback to run once a user quits interacting with an element
Polyfills for React Native.
Virtualized lists for React Native.
Runs code in rust once, from a closure
A Linux-optimized drop-in replacement for std::sync::Once
Custom test output formatter for spectacular — rainbow dots and more
An RSpec-inspired test framework for Rust with stackable before/after hooks
Proc macros for the spectacular test framework
Immutable, event-sourced, nosql, write-side database system.
Experimental Rust implementation of the Millrace runtime.
Graph-database-based knowledge graph project.
Rillflow — a lightweight document + event store for Rust, powered by Postgres.
Lightweight durable job execution engine backed by Postgres
Mind Network Rust SDK
Docker firewall framework, in Rust
Ruby Gem to limit rate of code execution to every N seconds
A small mixin module to allow a method or block to be executed only once throughout the lifecycle of its owner.
Run a command once when files change. Implemented because guard-shell was NIH, and ran commands for each file. Sorry.
Ensure that a given process is only running once. Helpful for ensure that scheduled tasks do not overlap if they run longer than the scheduled interval.
One-time migration task management on remote servers through mina.
Simple class for test/unit setup blocks that run just once.
Run programs and scripts once only. Especially useful for PBS and GRID computing
An API to ensure mixin included logic (the "plugin") only runs once.
Allows a block of code to be run once across many processes
If you are migration seed data and only what the migration to run once it is best to log that the migration has already run. This separates data migrations from schema migrations.
Run code, Ctrl-C to restart, once more Ctrl-C to stop
Zerg is a tool for launching an arbitrary number of virtual machines and running a task on all of them at once
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