大约有 40,000 项符合查询结果(耗时:0.0289秒) [XML]

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Why do people say that Ruby is slow? [closed]

I like Ruby on Rails and I use it for all my web development projects. A few years ago there was a lot of talk about Rails being a memory hog and about how it didn't scale very well but these suggestions were put to bed by Gregg Pollack here. ...
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Why does JQuery have dollar signs everywhere?

...ring your using noConflict (more below) var divs = $("div"); // Find all divs var divs = jQuery("div"); // Also find all divs, because console.log($ === jQuery); // "true" If you don't want to use the alias, you don't have to. And if you want $ to not be an alias for jQuery, you can use noC...
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为何谷歌不可复制? - 资讯 - 清泛网 - 专注C/C++及内核技术

...可使用并从中受益,那么糟糕的广告(即信息)就自然是个问题了。因此,即使牺牲周末时间,他们也决定解决这个问题。” 谷歌之所以成为后德鲁克时代最具代表性的公司,除了两位创始人的学院派的作风外,谷歌公司也延续...
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How do I extract the contents of an rpm?

... Did you try the rpm2cpio commmand? See the example below: $ rpm2cpio php-5.1.4-1.esp1.x86_64.rpm | cpio -idmv /etc/httpd/conf.d/php.conf ./etc/php.d ./etc/php.ini ./usr/bin/php ./usr/bin/php-cgi etc share ...
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社会化海量数据采集爬虫框架搭建 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...果能把账号和IP的访问策略控制好了,基本可以解决这个问题了。当然对方网站也会有运维会调整策略,说到底这是一个战争,躲在电脑屏幕后的敌我双方,爬虫必须要能感知到对方的反监控策略进行了调整,通知管理员及时处...
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How to identify platform/compiler from preprocessor macros?

... I'm sorry, but this answer is quite incorrect on all accounts and doesn't even answer the question. – rubenvb Jan 27 '15 at 20:13 ...
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How to set selected value of jquery select2?

... To dynamically set the "selected" value of a Select2 component: $('#inputID').select2('data', {id: 100, a_key: 'Lorem Ipsum'}); Where the second parameter is an object with expected values. UPDATE: This does work, just wanted to n...
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移动前端开发之viewport的深入理解 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...是,devicePixelRatio在不同的浏览器中还存在些许的兼容性问题,所以我们现在还并不能完全信赖这个东西,具体的情况可以看下这篇文章。 devicePixelRatio的测试结果: 三、PPK的关于三个viewport的理论 ppk大神对于移动设备上...
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“where 1=1” statement [duplicate]

... It's usually when folks build up SQL statements. When you add and value = "Toyota" you don't have to worry about whether there is a condition before or just WHERE. The optimiser should ignore it No magic, just practical Example ...
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MFC的多国语言界面的实现 - C/C++ - 清泛网 - 专注C/C++及内核技术

...) 通过点击菜单来测试软件的语言切换。 6. MessageBox的问题 由于MessageBox中的按钮的语言是跟操作系统相关的,要想实现MessageBox按钮的多语言化是很有一定难度的。我现在还没有查到好的解决方法,很多网友的建议是抛弃Messa...