Search Results for "processing"
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Showing 3 open source projects for "processing"
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Automate contact and company data extractionGenerate leads at scale without building or maintaining scrapers. Use 10,000+ ready-made tools that handle authentication, pagination, and anti-bot protection. Pull data from business directories, social profiles, and public sources, then export to your CRM or database via API. Schedule recurring extractions, enrich existing datasets, and integrate with your workflows.
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Miaosha
Design and implementation of flash sale system
Miaosha is a high-concurrency “flash sale” (秒杀) demo that explores how to design a backend capable of withstanding extreme, bursty traffic during limited-time events. It illustrates patterns like cache-first reads for hot data, request rate limiting, and asynchronous order processing to protect databases under load. The project demonstrates stock deduction strategies designed to avoid overselling, combining pre-decrement in cache with reliable persistence and message-driven confirmation. Security hardening is addressed with ideas such as dynamic request paths, anti-bot measures, and one-time tokens to reduce automated abuse. ... -
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High performance credit card processing and fraud screening application/framework. Includes dynamic rule generation and a socket server to interface other languages. Developed in java 5. Free under GPL
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Billing system solution. Library for credit card/ACH processing, recurring billing and subscription management for member and donor centered organizations. Provides a way for POS / retail / recurring credit card and bank account processing.
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