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深入浅出计算机字符集编码 - C/C++ - 清泛网 - 专注C/C++及内核技术

...入浅出计算机字符集编码通过解决一个实际工作中的编码问题,深入研究调查了下计算机的字符编码原理,掌握编码的基本原理后,相关的问题都可轻松解决,希望能给大家带来一定帮助。问题缘由:前面页面编码方式统一为UTF...
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How can I get useful error messages in PHP?

Quite often I will try and run a PHP script and just get a blank screen back. No error message; just an empty screen. The cause might have been a simple syntax error (wrong bracket, missing semicolon), or a failed function call, or something else entirely. ...
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记一次数据库表自增长(Auto Increment)故障 - 数据库(内核) - 清泛网 - ...

...被一阵急促的报警短信声惊醒,原来是数据库的某个表出问题了,虽然查询操...故障的来龙去脉大致是这样的:在一个月黑风高的晚上,苦逼的程序员被一阵急促的报警短信声惊醒,原来是数据库的某个表出问题了,虽然查询操...
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What is the most accurate way to retrieve a user's correct IP address in PHP?

... fully-validated, and fully-packaged, version of @AlixAxel's answer: <?php /* Get the 'best known' client IP. */ if (!function_exists('getClientIP')) { function getClientIP() { if (isset($_SERVER["HTTP_CF_CONNECTING_IP"])) { ...
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PHP and Enumerations

I know that PHP doesn't have native Enumerations. But I have become accustomed to them from the Java world. I would love to use enums as a way to give predefined values which IDEs' auto-completion features could understand. ...
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How to render a DateTime object in a Twig template

... Twig's date function uses the same format as the php function (from the Twig docs). For anyone looking for other formats, php.net/manual/en/function.date.php. – JonnyS Mar 19 '14 at 20:22 ...
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MySQL主从服务器数据一致性的核对与修复 - 数据库(内核) - 清泛网 - 专注C/...

...性的核对与修复我上一次遇到MySQL主从服务器数据一致性问题,想想是几年前的事情了,还依稀记得当时惊慌失措的情景,好在最后借助Maatkit解决了问题。几年...我上一次遇到MySQL主从服务器数据一致性问题,想想是几年前的事...
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fstream默认不支持中文路径和输出整数带逗号的解决办法 - C/C++ - 清泛网 -...

...中的i值显示为123,456,789,出现了逗号。这是因为中文习惯问题。我们在读取文件的时候,读入i值时,可能读入一个值为123的整数,并不是我们希望的123456789,所以我们写文件时,希望不要写入逗号。一个办法是现将整数转换为...
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App Inventor 2能编译出苹果iOS版App吗? - App Inventor 2 中文网 - 清泛...

...后于安卓版的,导致测试时会有一些不兼容或一些奇怪的问题,体验不是很好,因此 如题,首先可以明确地说目前并不支持,只支持iOS版AI伴侣进行测试,但是AI伴侣的版本更新一直都是落后于安卓版的,导致测试时会有一些...
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利用 App Inventor 2 开发ChatGPT应用 - App Inventor 2 中文网 - 清泛网 - 专注C/C++及内核技术

...码块如下: 用到的核心组件“ChatBot”如下: 那么问题来了,这个“ChatBot”这个强大的组件从何而来,背后的原理是啥? “ChatBot”组件在MIT官方在最新的v2.67版中引入的AI相关功能,通过合并官方代码,App Inventor 2 中文...