ChuckLu - 博客园

2023年3月10日

What is the difference between utf8mb4 and utf8 charsets in MySQL?

摘要： What is the difference between utf8mb4 and utf8 charsets in MySQL? 回答1 UTF-8 is a variable-length encoding. In the case of UTF-8, this means that stor 阅读全文

posted @ 2023-03-10 20:34 ChuckLu 阅读(95) 评论(0) 推荐(0)

MySQL

摘要： SQL Fiddle What's mysql? MySQL is an open-source relational database management system (RDBMS) that provides scalable, reliable, and efficient storage 阅读全文

posted @ 2023-03-10 20:23 ChuckLu 阅读(133) 评论(0) 推荐(0)

What's the Cisco Packet Tracer? Is it free?

摘要： What's the Cisco Packet Tracer? Is it free? Cisco Packet Tracer is a simulation software that allows users to design, configure, and troubleshoot comp 阅读全文

posted @ 2023-03-10 19:52 ChuckLu 阅读(27) 评论(0) 推荐(0)

What's vmware horizon client?

摘要： What's vmware horizon client? VMware Horizon Client is an application software that allows users to connect to a remote virtual desktop or application 阅读全文

posted @ 2023-03-10 19:50 ChuckLu 阅读(127) 评论(0) 推荐(0)

多媒体技术 2023-03-04

摘要：第一章多媒体技术初识 Multimedia technology & application 本章学习目标掌握：媒体，多媒体，多媒体技术的基本概念了解：多媒体技术的主要处理对象了解：多媒体技术的关键技术了解：多媒体系统的构成理解：多媒体技术的应用领域及未来发展趋势媒体Media 信息的阅读全文

posted @ 2023-03-10 18:50 ChuckLu 阅读(46) 评论(0) 推荐(0)

2023年3月9日

古诗词春天

摘要：关于描写春天的古诗、诗句_古诗文网 (gushiwen.cn) 春江花月夜张若虚〔唐代〕春江潮水连海平，海上明月共潮生。滟滟随波千万里，何处春江无月明。江流宛转绕芳甸，月照花林皆似霰。空里流霜不觉飞，汀上白沙看不见。江天一色无纤尘，皎皎空中孤月轮。江畔何人初见月？江月何年初照人？人生代代无穷已阅读全文

posted @ 2023-03-09 18:52 ChuckLu 阅读(60) 评论(0) 推荐(0)

WPF Validation - Using INotifyDataErrorInfo | .NET Land (kmatyaszek.github.io)

摘要： WPF Validation - Using INotifyDataErrorInfo | .NET Land (kmatyaszek.github.io) In the .NET 4.5 was introduced new interface INotifyDataErrorInfo which 阅读全文

posted @ 2023-03-09 18:49 ChuckLu 阅读(164) 评论(0) 推荐(0)

Is Python a language that support object oriented?

摘要： Is Python a language that support object oriented? Yes, Python is a fully object-oriented language. In Python, everything is an object, including numb 阅读全文

posted @ 2023-03-09 17:53 ChuckLu 阅读(40) 评论(0) 推荐(0)

CustomValidationAttribute.Method Property

摘要： CustomValidationAttribute.Method Property (System.ComponentModel.DataAnnotations) | Microsoft Learn Remarks The custom method specified by this proper 阅读全文

posted @ 2023-03-09 17:49 ChuckLu 阅读(36) 评论(0) 推荐(0)

'await' works, but calling task.Result hangs/deadlocks

摘要： 'await' works, but calling task.Result hangs/deadlocks 回答1 Acquiring a value via an async method: var result = Task.Run(() => asyncGetValue()).Result; 阅读全文

posted @ 2023-03-09 16:36 ChuckLu 阅读(32) 评论(0) 推荐(0)

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