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How to apply bindValue method in LIMIT clause?

... Thanks! But in PHP 5.3, the above code threw an error saying "Fatal error: Cannot pass parameter 2 by reference". It doesn't like casting an int there. Instead of (int) trim($_GET['skip']), try intval(trim($_GET['skip'])). ...
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Getting raw SQL query string from PDO prepared statements

...O driver, otherwise, it will be -1). You can find more on the official php docs Example: <?php /* Execute a prepared statement by binding PHP variables */ $calories = 150; $colour = 'red'; $sth = $dbh->prepare('SELECT name, colour, calories FROM fruit WHERE calories < :calorie...
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What are the most-used vim commands/keypresses?

... blank line; } next blank line By file: gg start of file; G end of file 123G go to specific line number By marker: mx set mark x; 'x go to mark x '. go to position of last edit ' ' go back to last point before jump Scrolling: ^F forward full screen; ^B backward full screen ^D down half scre...
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VS2005中SetUnhandledExceptionFilter函数应用 - C/C++ - 清泛网 - 专注C/C++及内核技术

... 上面通过设置api hook,解决了在VS2005上的异常捕获问题,这种虽然不是那么“干净”的解决方案,确是目前唯一简单有效的方式。 虽然也可以通过_set_abort_behavior(0, _WRITE_ABORT_MSG | _CALL_REPORTFAULT), signal(SIGABRT, ...), 和_set...
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调用空智能指针对象的函数,Windows及Linux行为解析 - C/C++ - 清泛网 - 专...

...-O0以上优化版本访问空智能指针对象函数会发生崩溃。 问题起因:一个智能指针对象使用IsNull()判断是否为空后,执行函数,仅在Linux开优化(-O0以上)发生崩溃,代码如下: #include <stdio.h> #include <memory> #include <assert.h> c...
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Unicode and UTF-8 - 综合 - 清泛IT论坛,有思想、有深度

...英文存储空间会Double! 为了解决这些现实生活中遇到的问题,UTF-8编码应运而生! 言归正传,对于UTF-8: UTF-8是针对Unicode(UCS-2或UCS-4)的可变长度编码方式,是一种前缀码,它可用来编码Unicode中的任何一个字符。UTF-8编码和ASCII...
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图片轮播拓展 - ColinTreeSlideShow - App Inventor 2 拓展 - 清泛IT社区,为创新赋能!

...一个空的 水平滚动布局,将宽高设置好 (目前组件有个问题,在加入图片之后调整这个布局,图片不会跟随改变大小)如图(背景颜色可以先设置好): 在添加列表项之前先初始化一下,调用传入一个参数:调用ColinTreeSlideSh...
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HAXM 安装/启动失败? - App Inventor 2 离线版 - 清泛IT社区,为创新赋能!

... 使用 Hyper-V 加速 或 切换到 ARM 版本的模拟器。如果还有问题,可以查看 Android Studio 的 AVD Manager 里模拟器的 CPU 选项,确保选择了 x86 而不是 x86_64,或者使用 ARM 版本的系统镜像。
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Why does this (null || !TryParse) conditional result in “use of unassigned local variable”?

...l repro: class Program { static bool M(out int x) { x = 123; return true; } static int N(dynamic d) { int y; if(d || M(out y)) y = 10; return y; } } I see no reason why that should be illegal; if you replace dynamic ...
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Access-Control-Allow-Origin Multiple Origin Domains?

... Another solution I'm using in PHP: $http_origin = $_SERVER['HTTP_ORIGIN']; if ($http_origin == "http://www.domain1.com" || $http_origin == "http://www.domain2.com" || $http_origin == "http://www.domain3.com") { header("Access-Control-Allow-Origin:...