Working Days Calculation in Request Processing Software https://sudonull.com/working-days-calculation-in-request-processing-software
Learn to implement precise deadline calculation in working days for application processing systems. Logic, examples, testing, and backend nuances for middle/senior dev. Study the approaches.
Telegram Login Widget: OpenID Connect and authorization without SMS https://sudonull.com/telegram-login-widget-openid-connect-and-authorization-without-sms
Telegram updated the Login Widget by adding support for OpenID Connect. Now websites can request a phone number and permission to send messages. Learn how it works and what is important for developers.
Postbacks in Marketing: Integration Checklist | Guide https://sudonull.com/postbacks-in-marketing-integration-checklist-guide
How to Set Up Postbacks Without Errors? Checklist for Negotiations with Partner, Request Structure, and Error Handling. Avoid Discrepancies in Reports.
Basic RateLimiter .NET: algorithms and queues https://sudonull.com/basic-ratelimiter-net-algorithms-and-queues
Breakdown of FixedWindow, SlidingWindow, TokenBucket and ConcurrencyLimiter in .NET. Request processing architecture, queues, Lease. For middle/senior dev. Study the implementation.
Processing POST requests and files in Go: a guide for developers https://sudonull.com/processing-post-requests-and-files-in-go-a-guide-for-developers
Detailed guide on processing POST requests, file uploads, and creating in-memory storage in Go. Practical code examples and security recommendations.