摘要: 'Symbolic Link' to File1 content containing path to File1'Hard Link' to File1 content containing File content 阅读全文
posted @ 2016-08-24 07:06 papering 阅读(146) 评论(0) 推荐(0) 编辑
摘要: //stringWstring7 //( ! ) Parse error: syntax error, unexpected ''中'' (T_CONSTANT_ENCAPSED_STRING), expecting identifier (T_STRING) 阅读全文
posted @ 2016-08-24 01:15 papering 阅读(158) 评论(0) 推荐(0) 编辑
摘要: Fisher–Yates_shuffle 阅读全文
posted @ 2016-08-23 12:03 papering 阅读(154) 评论(0) 推荐(0) 编辑
摘要: https://en.wikipedia.org/wiki/Scripting_language A scripting or script language is a programming language that supports scripts, programs written for 阅读全文
posted @ 2016-08-23 11:54 papering 阅读(235) 评论(0) 推荐(0) 编辑
摘要: https://en.wikipedia.org/wiki/Common_Gateway_Interface In computing, Common Gateway Interface (CGI) offers a standard protocol for web servers to inte 阅读全文
posted @ 2016-08-23 11:45 papering 阅读(445) 评论(0) 推荐(0) 编辑
摘要: computer science J. Glenn Brookshear with contributions from David T. SmithIndiana University of Pennsylvania Dennis Brylow Marquette University 11th 阅读全文
posted @ 2016-08-23 10:53 papering 阅读(264) 评论(0) 推荐(0) 编辑
摘要: random https://en.wikipedia.org/wiki/Linear_congruential_generator A linear congruential generator (LCG) is an algorithm that yields a sequence of pse 阅读全文
posted @ 2016-08-23 08:14 papering 阅读(230) 评论(0) 推荐(0) 编辑
摘要: 1 '; 28 $res = implode(',', w_shuffle($arr)); 29 echo $res.''; 30 echo implode(',', $arr).''; 31 shuffle($arr); 32 $res = implode(',',$arr); 33 echo $res.''; 34 echo implode(',', $arr).''; 1 1,2,3... 阅读全文
posted @ 2016-08-23 00:40 papering 阅读(219) 评论(0) 推荐(0) 编辑
摘要: High Performance MySQL, Third Edition by Baron Schwartz, Peter Zaitsev, and Vadim Tkachenko http://dev.mysql.com/doc/refman/5.7/en/ https://zh.wikiped 阅读全文
posted @ 2016-08-23 00:24 papering 阅读(341) 评论(0) 推荐(0) 编辑
摘要: High Performance MySQL, Third Edition by Baron Schwartz, Peter Zaitsev, and Vadim Tkachenko Is an Index the Best Solution?An index isn’t always the ri 阅读全文
posted @ 2016-08-22 22:36 papering 阅读(192) 评论(0) 推荐(0) 编辑
摘要: https://validator.w3.org/nu/?doc=http%3A%2F%2Fdev.mysql.com%2Fdoc%2Frefman%2F5.7%2Fen%2Fmanual-info.html Error: Bad value up for attribute rel on elem 阅读全文
posted @ 2016-08-21 13:44 papering 阅读(421) 评论(0) 推荐(0) 编辑
摘要: https://mp.weixin.qq.com/s/d6k8_b3d1AK1_xo8vT4zEw 从0到1,马蜂窝大交通团队如何构建高效研发流程体系? 腾讯技术工程 2019-09-12 使用看板标签区分以下字段—— • 需求优先级:P0、P1、P2、P3 • 需求类型:项目、日常 • 需求来源: 阅读全文
posted @ 2016-08-20 23:36 papering 阅读(1061) 评论(0) 推荐(0) 编辑
摘要: ECMA-262_ECMAScript®2015 Language Specification 6.1.6The Number type has exactly 18437736874454810627(that is, 264-253+3) values, representing the dou 阅读全文
posted @ 2016-08-20 00:20 papering 阅读(190) 评论(0) 推荐(0) 编辑
摘要: http://www.mimizhe.net/ http://www.jd.com/ 阅读全文
posted @ 2016-08-18 23:44 papering 阅读(1120) 评论(0) 推荐(0) 编辑
摘要: w 0-instanceof is used to determine whether a PHP variable is an instantiated object of a certain class 1-instanceof can also be used to determine whe 阅读全文
posted @ 2016-08-18 00:51 papering 阅读(241) 评论(0) 推荐(0) 编辑
摘要: sshd 阅读全文
posted @ 2016-08-17 23:33 papering 阅读(142) 评论(0) 推荐(0) 编辑
摘要: 1 Request URL:http://www.biyao.com/minisite/bzzx 2 Request Method:GET 3 Status Code:200 OK 4 Remote Address:127.0.0.1:51759 5 Response Headers 6 view 阅读全文
posted @ 2016-08-17 12:11 papering 阅读(6101) 评论(0) 推荐(0) 编辑
摘要: php.net PrecedenceAn inherited member from a base class is overridden by a member inserted by a Trait. The precedence order is that members from the c 阅读全文
posted @ 2016-08-16 23:30 papering 阅读(212) 评论(0) 推荐(0) 编辑
摘要: 小结: 1)记录层、传输层、会话秘钥 SSL包含记录层(Record Layer)和传输层,记录层协议确定传输层数据的封装格式。传输层安全协议使用X.509认证,之后利用非对称加密演算来对通信方做身份认证,之后交换对称密钥作为会谈密钥(Session key)。这个会谈密钥是用来将通信两方交换的资料 阅读全文
posted @ 2016-08-16 22:13 papering 阅读(758) 评论(0) 推荐(0) 编辑
摘要: 实践: netstat -ano | findstr 162 tasklist | findstr 162 1. 在命令窗口中输入命令中输入 netstat -ano |findstr "端口号", 然后回车就可以看到这个端口被哪个应用占用。 2. 查看到对应的进程id之后,就可以通过id查找对应的 阅读全文
posted @ 2016-08-16 03:16 papering 阅读(309) 评论(0) 推荐(0) 编辑
摘要: HTTP The Definitive Guide 按址标识 identify by address 按名标识 identify by name Domain Name Server Uniform Resource Name Server https://en.wikipedia.org/wiki 阅读全文
posted @ 2016-08-16 00:38 papering 阅读(329) 评论(0) 推荐(0) 编辑
摘要: Request URL:https://www.getwnmp.org/ Request Method:GET Status Code:304 Remote Address:45.55.134.251:443 Response Headers date:Mon, 15 Aug 2016 16:08: 阅读全文
posted @ 2016-08-16 00:17 papering 阅读(1857) 评论(0) 推荐(0) 编辑
摘要: HTTP The Definitive Guide Table 3-1. Common HTTP methods Method Description Message body? GET Get a document from the server. No HEAD Get just the hea 阅读全文
posted @ 2016-08-15 23:51 papering 阅读(542) 评论(0) 推荐(0) 编辑
摘要: https://httpd.apache.org/docs/2.4/mod/core.html#serversignature ServerSignature Directive Description: Configures the footer on server-generated docum 阅读全文
posted @ 2016-08-15 13:11 papering 阅读(398) 评论(0) 推荐(0) 编辑
摘要: RewriteRule ^([0-9]{1,}).html$ html.php?w=$1 阅读全文
posted @ 2016-08-15 01:57 papering 阅读(140) 评论(0) 推荐(0) 编辑
摘要: RESTful Web APIs_2013 The crawler simulates a very curious but not very picky human. Give it a URL to startwith, and it will fetch a representation. T 阅读全文
posted @ 2016-08-14 18:19 papering 阅读(185) 评论(0) 推荐(0) 编辑
摘要: RESTful Web APIs_2013 An API released today will be named after the company that hosts it. We talk about the “Twitter API,” the “Facebook API,” and th 阅读全文
posted @ 2016-08-14 18:08 papering 阅读(178) 评论(0) 推荐(0) 编辑
摘要: RESTful Web APIs_2013 I'm going to show you a better way to do distributed computing, using the ideas underlying the most successful distributed syste 阅读全文
posted @ 2016-08-14 17:58 papering 阅读(188) 评论(0) 推荐(0) 编辑
摘要: PHP Advanced and Object-Oriented Programming 3rd Edition As for the technical negatives of OOP, use of objects can be less efficient than a procedural 阅读全文
posted @ 2016-08-14 00:01 papering 阅读(180) 评论(0) 推荐(0) 编辑
摘要: PHP Advanced and Object-Oriented Programming 3rd Edition Related to modularity is abstraction: classes should be defined broadly. This is a common and 阅读全文
posted @ 2016-08-13 23:58 papering 阅读(180) 评论(0) 推荐(0) 编辑
摘要: 1-检索至少选修"程军"老师所授全部课程的学生姓名(SNAME)检索选修了“程军”老师所授全部课程的学生姓名 0-检索选修了“程军”老师所授课程的学生 集合子集,逐步精确,缩小范围 1-是学生-2-选程老师的课-3-选了程老师所有的课 /* 假定 “ 某学生选程老师的课程门数等于程老师所开门数”等价 阅读全文
posted @ 2016-08-13 19:12 papering 阅读(578) 评论(4) 推荐(0) 编辑
摘要: PHP Advanced and Object-Oriented Programming Third Edition //Search Engine Optimization The modularized site as written has a number of benefits, star 阅读全文
posted @ 2016-08-13 12:12 papering 阅读(285) 评论(0) 推荐(0) 编辑
摘要: https://getcomposer.org/doc/00-intro.md Introduction# Composer is a tool for dependency management in PHP. It allows you to declare the libraries your 阅读全文
posted @ 2016-08-13 04:31 papering 阅读(455) 评论(1) 推荐(0) 编辑
摘要: https://html.spec.whatwg.org/multipage/interaction.html#attr-contenteditable 小结: 0-The style element is one of HTML elements. 阅读全文
posted @ 2016-08-13 02:57 papering 阅读(202) 评论(0) 推荐(0) 编辑
摘要: https://docs.oracle.com/cd/E19683-01/817-3677/6mj8mbtc9/index.html#chapter6-62988 https://docs.oracle.com/cd/E19683-01/817-3677/chapter3-2/index.html 阅读全文
posted @ 2016-08-13 02:09 papering 阅读(243) 评论(0) 推荐(0) 编辑
摘要: https://html.spec.whatwg.org/multipage/introduction.html#is-this-html5? HTML Living Standard — Last Updated 12 August 2016 1.2 Is this HTML5? This sec 阅读全文
posted @ 2016-08-13 01:19 papering 阅读(269) 评论(0) 推荐(0) 编辑
摘要: https://en.wikipedia.org/wiki/ACID https://zh.wikipedia.org/wiki/ACID //ACID compliant , row-level locking , FOREIGN KEY 行锁 表锁 //a small footprint , T 阅读全文
posted @ 2016-08-13 00:54 papering 阅读(1029) 评论(0) 推荐(0) 编辑
摘要: Windows 内存空间概述 - Windows drivers | Microsoft Learn https://learn.microsoft.com/zh-cn/windows-hardware/drivers/kernel/overview-of-windows-memory-space 阅读全文
posted @ 2016-08-12 23:56 papering 阅读(304) 评论(0) 推荐(0) 编辑
摘要: 实践: 1、 SHOW VARIABLES LIKE "%transaction%"; transaction_isolation REPEATABLE-READ 小结: 1、读未提交 T1没有提交时,T2即可以读取到 2、读提交,但不可重复读 T1没有提交时,T2即不可以读取到 但是即使T2中可以 阅读全文
posted @ 2016-08-11 16:32 papering 阅读(500) 评论(0) 推荐(0) 编辑
摘要: 小结:0、int(4) + ZEROFILL 实现3-->0003,但可以存储12345;1、ZEROFILL 在MySQL 8.0.17中被移除,可以通过LPAD实现补0; https://dev.mysql.com/doc/refman/8.0/en/integer-types.html MyS 阅读全文
posted @ 2016-08-11 14:59 papering 阅读(262) 评论(0) 推荐(0) 编辑