Search Articles — Sudonull

https://sudonull.com/redis-lua-queue-partition-order-and-worker-pool

Implementation of Redis queue on Lua for strict order in partitions, shared worker pool, retries. Benchmarks, diagrams, code. For middle/senior dev — study and implement.

https://sudonull.com/stacks-queues-cache-optimization-for-performance-in-c

Learn how to optimize stacks and queues in C for maximum speed. Compare arrays vs linked lists, implement fast ring buffers, and reduce cache misses by 35x.

https://sudonull.com/heaps-and-priority-queues-performance-optimization

How binary and d-ary heaps on arrays provide high-speed operation of schedulers through cache locality. Practical comparisons and optimizations.

https://sudonull.com/reversing-bcd4-queue-display-protocol

Analysis of BCD4 encoding and carry-checksum in the electronic queue display protocol. Python code, packet structure, web integration. For developers.

https://sudonull.com/debian-12-qemu-network-bridges-setup

Setting up bridge in Debian 12 for QEMU: temporarily and permanently. Commands, configs, VM integration into LAN. For middle/senior dev. Practice without fluff — read and apply.

https://ymaho.com/electronic-queue-at-the-border-launch-for-passenger-cars

Learn how the new border slot booking system will reduce traffic jams and simplify trips to Poland and Moldova. Details of the June launch.

https://ymaho.com/congestion-in-ukrainian-ports-is-lowering-corn-prices-in-europe

Queues for grain in Ukraine affect global prices and supplies. Learn how a local problem is creating ripples in the international market.

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