William Basics

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Use iperf3 to test localhost latency

为什么要测试本地延迟？ 我们常常会使用本地网址来实现同一主机上进程间的通信。通过localhost的进程间通信一方面为我们解耦系统提供了便利。

Posted by William Basics on Monday, November 14, 2022

SQL vs NoSQL

SQL vs NoSQL 前提 本篇以server型数据库（比如，SQL Server，MySQL，MongoDB等）作为讨论的前提，结合当前的技术发展（2022年

Posted by William Basics on Sunday, November 13, 2022

SEMI Standards Summary

Name A.K.A Keyword Description E4 SECS-I [RS-232] The SECS-I standard defines a low level communication protocol for interfacing a host computer to equipment through an RS-232 serial communications interface. E5 SECS-II [Data Exchange] [GEM300] The SECS-II standard provides a definition of messages and related data items exchanged between the host and the equipment. E30 GEM - Generic Model for Communication and Control of Manufacturing Equipment [GEM300] [State Machine] The GEM standard uses a specific subset of SECS-II messages to implement several state machines that define rules to govern the interaction between the equipment and the host computer.

Posted by William Basics on Saturday, December 4, 2021

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A software technology enthusiast, always search for a better way to build software.

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