Let's you run through an array and go back to the beginning when you run too far.
simple for loop iterator thing
Higher order iterator library for JavaScript/TypeScript.
An ESnext spec-compliant iterator helpers shim/polyfill/replacement that works as far down as ES3.
Firefox 17-26 iterators throw a StopIteration object to indicate "done". This normalizes it.
Get an iterator for any JS language value. Works robustly across all environments, all versions.
A finite state machine iterator for JavaScript
Iterator abstraction based on ES6 specification
Iterate any JS iterator. Works robustly in all environments, all versions.
Convert an argument into a valid iterator. Based on the `.makeIterator()` implementation in mout https://github.com/mout/mout.
Iterate over promises serially
Turn an abstract-leveldown iterator into a readable stream
[](http://www.typescriptlang.org/) [](https://www.npmjs.com/package/@n1ru4l/push-pull-async
Creates an async iterator for a variety of inputs in the browser and node. Supports fetch, node-fetch, and cross-fetch
Framework-independent loaders for 3D graphics formats
Run multiple promise-returning & async functions with limited concurrency using native ES9
JS library for Fengari
Simple iterator for flat and multi section lists
Get the default iterator or async iterator for an iterable or async iterable
async.mapLimit's functionality available as a standalone npm module
Async iterator utilities for Metorial. Provides programmable async iterators for creating controlled data streams and managing async iteration flow.
iterator for mini-html-parser
Chai assertions for iterable objects
A shim for the setImmediate efficient script yielding API
Static compute unit analyzer for Solana sBPF bytecode
CLI for burgertocow: reverse-engineers diffs on rendered minijinja templates back into template or variable changes.
Reverse-engineers a diff on a rendered minijinja template back into template-level and variable-level changes via shadow rendering + LCS skeleton alignment.
Iterators like traditional for loops
Speeds up iteration loop while developing for AEM/CQ.
Langda monitors Ruby loop operations (each, map, select, etc.), counts their iterations, measures execution time, and logs slow loops. It helps developers quickly identify performance bottlenecks in real application code with zero configuration and no breaking changes.
Iteration is class that encapsulate an step in an each loop. It can be used to query infromation about an iteration easily.
Standalone Ruby SDK for AI generation across OpenRouter and Replicate, ElevenLabs speech-to-text, with iterative tool loops and SSE streaming.
Ralph Wiggum Loop - Iterative AI development with AI agents. An autonomous agentic loop that drives Claude Code, Codex, and OpenCode.
Ralph Wiggum Loop - Iterative AI development with AI agents. An autonomous agentic loop that drives Claude Code, Codex, and OpenCode.
This is a weak deduper to make things like bulk email run safer. It is not a lock safe for financial/security needs because it uses a weak redis locking pattern that can have race conditions. However, imagine a bulk email job that loops over 100 users, and enqueues a background email for each user. If the job fails at iteration 50, a retry would enqueue all the users again and many will receive dupes. This would continue multiple times as the parent job continued to rerun. By marking that a subjob has been enqueued, we can let that isolated job handle its own failures, and the batch enqueue job can run multiple times without re-enqueueing the same subjobs.
Crowdfund is a Ruby program developed based on Pragmatic Studio's Ruby Programming hands-on video course, and distributed as a Ruby gem. This program has been developed using all the strengths of Ruby including the following. Ruby Programming Environment * Installing Ruby on your favorite operating system (free exercise) * Running Ruby using the interactive Ruby shell (irb) and writing Ruby program files * Using Ruby's documentation system to get help * Installing external Ruby libraries using RubyGems * Troubleshooting common problems Ruby Language Constructs * Expressions and variables * Numbers, string, and symbols (free video & exercise) * Loops and conditional expressions * Arrays and hashes (free video & exercise on hashes) * Classes, modules, and structs Object-Oriented Programming * Using built-in Ruby classes * Defining your own classes with state and behavior (free video & exercise) * Creating unique objects * Telling objects what to do by calling methods * Modeling class-level inheritance relationships * Sharing code with mixins Object-Oriented Design Principles * Encapsulation * Separation of concerns * Polymorphism * Don't Repeat Yourself * Tell, Don't Ask Blocks and Iterators * Calling built-in methods that take blocks * Writing your own methods that yield to blocks * Implementing custom iterators * Effectively using blocks in your programs Organizing Ruby Code * Creating a Ruby project structure * Separating source files for easier reuse and testing * Namespacing to avoid naming clashes * Input/Output * Reading data from files * Writing data to files * Creating an interactive console prompt * Handling command-line input Unit Testing * Writing and running unit tests with RSpec * Test-driven development and the red-green-refactor cycle * Stubbing methods to control tests * Refactoring code, safely! Distribution * Conforming to RubyGems conventions * Writing a GemSpec * Building a RubyGem * Publishing a RubyGem to a public server Ruby Programming Idioms
Studio Game is a Ruby program developed based on Pragmatic Studio' Ruby Programming hands-on video course, and distributed as a Ruby gem. This program has been developed using all the strengths of Ruby including the following. Ruby Programming Environment * Installing Ruby on your favorite operating system (free exercise) * Running Ruby using the interactive Ruby shell (irb) and writing Ruby program files * Using Ruby's documentation system to get help * Installing external Ruby libraries using RubyGems * Troubleshooting common problems Ruby Language Constructs * Expressions and variables * Numbers, string, and symbols (free video & exercise) * Loops and conditional expressions * Arrays and hashes (free video & exercise on hashes) * Classes, modules, and structs Object-Oriented Programming * Using built-in Ruby classes * Defining your own classes with state and behavior (free video & exercise) * Creating unique objects * Telling objects what to do by calling methods * Modeling class-level inheritance relationships * Sharing code with mixins Object-Oriented Design Principles * Encapsulation * Separation of concerns * Polymorphism * Don't Repeat Yourself * Tell, Don't Ask Blocks and Iterators * Calling built-in methods that take blocks * Writing your own methods that yield to blocks * Implementing custom iterators * Effectively using blocks in your programs Organizing Ruby Code * Creating a Ruby project structure * Separating source files for easier reuse and testing * Namespacing to avoid naming clashes * Input/Output * Reading data from files * Writing data to files * Creating an interactive console prompt * Handling command-line input Unit Testing * Writing and running unit tests with RSpec * Test-driven development and the red-green-refactor cycle * Stubbing methods to control tests * Refactoring code, safely! Distribution * Conforming to RubyGems conventions * Writing a GemSpec * Building a RubyGem * Publishing a RubyGem to a public server Ruby Programming Idioms
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