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xunsearch主键重复、搜索结果重复 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...te提交会忽略(验证的结果)。 至于想彻底解决重复的问题,还是得从xunsearch后端c/c++源码研究起,也许是未考虑到的bug,官方论坛有人反馈但无结果。 清泛网追记: xunsearch 1.4.14 版本存在此问题,从 1.4.15 版本起已解决该...
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[精华]VC++对话框程序打印及打印预览的实现 - C/C++ - 清泛网 - 专注C/C++及内核技术

...类的实现。打印及打印预览是编写应用程序经常要解决的问题,为了理解VC++对话框程序的打印及打印预览实现,要先掌握基于文档/视图的应用程序打印及打印预览的基本原理。所以分为两部分介绍。 一、基于文档/视图的应用程...
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字符串指针变量与字符数组的区别 - C/C++ - 清泛网 - 专注C/C++及内核技术

...和运算。但是两者是有区别的。在使用时应注意以下几个问题: 1. 字符串指针变量本身是一个变量,用于存放字符串的首地址。而字符串本身是存放在以该首地址为首的一块连续的内存空间中并以‘’作为串的结束。...
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C语言结构体里的成员数组和指针 - C/C++ - 清泛网 - 专注C/C++及内核技术

...问0x4的内存地址,不crash才怪。于是,你一定会有如下的问题: 1)为什么不是 13行if语句出错?f.a被初始化为空了嘛,用空指针访问成员变量为什么不crash? 2)为什么会访问到了0x4的地址?靠,4是怎么出来的? 3)代码中的...
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PDOException “could not find driver”

I have just installed Debian Lenny with Apache, MySQL, and PHP and I am receiving a PDOException could not find driver . 3...
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HTTPS and SSL3_GET_SERVER_CERTIFICATE:certificate verify failed, CA is OK

I am using XAMPP for development. Recently I upgraded my installation of xampp from an old version to 1.7.3. 12 Answers ...
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submitting a GET form with query string params and hidden params disappear

...the question mark and the parameters, and then cross one's fingers to hope all browsers would leave that URL as it (and validate that the server understands it too). But I'd never rely on that. By the way: it's not different for non-hidden form fields. For POST the action URL could hold a query stri...
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Difference between WebStorm and PHPStorm

...der. FROM: http://www.jetbrains.com/phpstorm/ NOTE: PhpStorm includes all the functionality of WebStorm (HTML/CSS Editor, JavaScript Editor) and adds full-fledged support for PHP and Databases/SQL. Their forum also has quite few answers for such question. Basically: PhpStorm = WebStorm + P...
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Use PHP to create, edit and delete crontab jobs?

... Also, take note that apache is running as a particular user and that's usually not root, which means the cron jobs can only be changed for the apache user unless given crontab -u privilege to the apache user. share ...
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convert_tz returns null

...ving these files to a different location such as /usr/share/zoneinfo/.bak/ allows for the command mysql_tzinfo_to_sql /usr/share/zoneinfo | mysql -u root -p mysql to fully populate all of the expected timezone information. This may or may not be a bug in my installed version of MySQL: $ mysql -...