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ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2) 步骤： 以下可用。 （1）关闭mysql： service mysqld stop （2）查看 阅读全文
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Introduction Take a look at the front and back of your computer case and count the number of buttons, ports, and slots you see. Now look at your monit 阅读全文
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A mouse is a handheld device that lets you point to objects on the screen, click them, and move them. Take a look at the diagram below to learn the di 阅读全文
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Introduction The basic parts of a desktop computer are the computer case, monitor, keyboard, mouse, and power cord. Each part plays an important role 阅读全文
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What is a computer? A computer is an electronic device that manipulates information, or data. It has the ability to store, retrieve, and process data. 阅读全文
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About this tutorial /tjuːˈtɔːriəl/ This tutorial will help you understand how computers work and how to use them. We'll talk about how to set up a com 阅读全文
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Outlines Computer basics (2+1) https://www.cnblogs.com/emanlee/p/18148019 Using Windows (1) https://www.cnblogs.com/emanlee/p/18185459 HTML tutorials 阅读全文
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特别说明： https://edu.gcfglobal.org/en/computerbasics/ 版权属于原网址（原作者 https://edu.gcfglobal.org/en/computerbasics/about-this-tutorial/1/），本网页内容仅用于学习。 Introdu 阅读全文
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正则表达式 特殊字符 匹配所有键盘上可见的非字母和数字的符号 var patrn = /[`~!@#$%^&*()_\-+=<>?:"{}|,.\/;'\\[\]·~！@#￥%……&*（）——\-+={}|《》？：“”【】、；‘'，。、]/im; if (!patrn.test(str)) {// 阅读全文
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inetcpl.cpl C:\WINDOWS\system32\inetcpl.cpl 阅读全文