大约有 7,000 项符合查询结果(耗时:0.0272秒) [XML]

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一个科技公司只是碰巧卖起了披萨? - 资讯 - 清泛网 - 专注C/C++及内核技术

...执行送餐,最高时速可达每小时12.5公里。顾客可以通过密码解锁,打开DRU自助取餐。 2016年4月,达美乐又推出新App一键下单——“一键”的意思是:“点开App,而不需任何其他操作”,10秒内倒计时确认非误操作,就会完成下...
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Finding duplicate values in MySQL

I have a table with a varchar column, and I would like to find all the records that have duplicate values in this column. What is the best query I can use to find the duplicates? ...
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Find and Replace Inside a Text File from a Bash Command

... I stumbled over this... There is a replace command which ships with the "mysql-server" package, so if you have installed it try it out: # replace string abc to XYZ in files replace "abc" "XYZ" -- file.txt file2.txt file3.txt # or pipe an echo to replace echo "abcdef" |replace "abc" "XYZ" See m...
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ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C/C++及内核技术

...。 本文的目的是解释ØMQ架构的基本概念,它们是如何组合起来的,以及它们被如此设计的原因。 拓扑 拓扑是ØMQ最主要的概念,除非你知道“拓扑”代表什么,否则将与其他概念混淆更难...
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ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C/C++及内核技术

...。 本文的目的是解释ØMQ架构的基本概念,它们是如何组合起来的,以及它们被如此设计的原因。 拓扑 拓扑是ØMQ最主要的概念,除非你知道“拓扑”代表什么,否则将与其他概念混淆更难...
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腾讯Tencent开源框架介绍(持续更新) - 开源 & Github - 清泛网 - 专注C/C++及内核技术

...服务。PhxSQL提供Zookeeper级别的强一致和高可用,完全兼容MySQL。 https://github.com/Tencent/phxrpc PhxRPC是微信后台团队推出的一个非常简洁小巧的RPC框架,编译生成的库只有450K。 https://github.com/Tencent/flare Flare是广泛投产于腾讯广告...
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ZMQ: 基本原理 - 开源 & Github - 清泛网移动版 - 专注C/C++及内核技术

...。 本文的目的是解释ØMQ架构的基本概念,它们是如何组合起来的,以及它们被如此设计的原因。 拓扑 拓扑是ØMQ最主要的概念,除非你知道“拓扑”代表什么,否则将与其他概念混淆更难...
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How to change the default collation of a table?

... in your answer considering how many views this gets. See here https://dev.mysql.com/doc/refman/8.0/en/charset-unicode-utf8.html and here What is the difference between utf8mb4 and utf8 charsets in MySQL? – Paulpro Mar 12 at 17:46 ...
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Select where count of one field is greater than one

...hould be a GROUP BY defined for proper valuation in the HAVING clause, but MySQL does allow hidden columns from the GROUP BY... Is this in preparation for a unique constraint on someField? Looks like it should be... share ...
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Design patterns or best practices for shell scripts [closed]

...only Table__ParameterException="Table__ParameterException" readonly Table__MySqlException="Table__MySqlException" readonly Table__NotInitializedException="Table__NotInitializedException" readonly Table__AlreadyInitializedException="Table__AlreadyInitializedException" # an example for module enum co...