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阅读全文这段代码抛了一个undefined variable错误 $greeting = "Let‘s welcome ".$std_name." from ".$university; 错误： Undefined variable: university in \www\mysite\index.php on line 137 解释： 尽管PHP不需要使用变量前先申明，但是推荐不要这样，因为这样可能会引起一些安全 ...
阅读全文Veeva System 官网：https://www.veeva.com/ Veeva Systems is a software company that provides cloud-based data management and CRM solutions to the life science industries. Veeva Systems's headquarters is in Pleasanton, California. Veeva Systems ...
阅读全文PHP Fatal error: Call to undefined function imagettftext() in 这个错误主要是因为在使用function imagettftext()时找不到定义的字体位置。简单的解决办法就是正确设置字体路径。PHP官方也有个提议就是将字体和script放置在相同路径。 “In many cases where a font resides in the same directory as the scri ...
阅读全文dd --help 常用dd来创建大文件，如dd if=/dev/zero of=/mybigfile bs=128M count=0 seek=24 参数： 1. if=文件名：输入文件名，缺省为标准输入。即指定源文件。< if=input file > 2. of=文件名：输出文件名，缺省为标准输出。即指定目的文件。< of=output file > 3. ibs=bytes：一次读入bytes个字节，即指定一个块大小为by ...
阅读全文mysql的err日志中的信息中有一堆类似warning 2017-04-04 16:55:05 2082 [Warning] IP address '117.44.24.236' could not be resolved: Name or service not known 2017-04-04 18:30:30 2082 [Warning] IP address '111.121.193.254' could not be resolved: N ...
阅读全文如何配置xdebug? 首先根据phpinfo的输出，复制到xdebug.org/wizard.php中分析环境配置。如下： XDEBUG EXTENSION FOR PHP | DOCUMENTATION | INSTALLATION home | updates | download | documentation | contributing | license | support | issue tracker If you like Xdebug, pleas ...
阅读全文c=1, w=2, b=512, kB=1000, K=1024, MB=1000*1000, M=1024*1024, xM=M GB=1000*1000*1000 G=1024*1024*1024, 以及T, P, E, Z ,Y The Shapes of CSS All of the below use only a single HTML element. Any kind of CSS goes, as long as it's supported in at ...
阅读全文如何排查Oracle SOA Suite以及Oracle BPM Suite的疑难杂症请参考官方文档： https://docs.oracle.com/cd/E29542_01/admin.1111/e10226/appx_trouble.htm#SOAAG3705 how to troubleshoot issues you can encounter when using Oracle SOA Suite and Oracle BPM Suite, including loggi ...
阅读全文https://www.atlassian.com 这家公司提供了不错的软件开发环境流程软件。敏捷开发, 协同工作，代码管理, 持续交付等。如jira,confluence,source tree等。可以关注。 ...
阅读全文ECMAScript 定义类或对象有很多方法，W3SCHOOL总结了6中方法供学习： 工厂方式 原始的方式 因为对象的属性可以在对象创建后动态定义，所有许多开发者都在 JavaScript 最初引入时编写类似下面的代码： var oCar = new Object; oCar.color = "blue"; oCar.doors = 4; oCar.mpg = 25; oCar.showColor = function() ...
阅读全文Operating as a community of like-minded professionals, OWASP issues software tools and knowledge-based documentation on application security. Everyone is free to participate in OWASP and all of our materials are available under a free an ...
阅读全文# 下载到/var/www/php5目录下 cd /var/www/php5 wget http://mirrors.sohu.com/php/php-5.5.7.tar.gz # 解压 tar zxvf php-5.5.7.tar.gz # 进入PHP的openssl扩展模块目录 cd php-5.5.7/ext/openssl/ /var/www/php5/bin/phpize # 这里为你自己的phpize路径，如果找不到，使用whereis ...
阅读全文官网摘要： http://dev.mysql.com/doc/refman/5.6/en/fulltext-search.html MySQL has support for full-text indexing and searching: A full-text index in MySQL is an index of type FULLTEXT. Full-text indexes can be used only with ...
阅读全文本文收集了一些css3示例网站。 这些网站有： https://1stwebdesigner.com/css-effects/ https://tympanus.net/Tutorials/SwatchBook/index5.html https://nettuts.s3.amazonaws.com/771_sticky/step5.html https://designmodo.com/demo/interactivegraph/ https://ty ...
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