大约有 16,000 项符合查询结果(耗时:0.0243秒) [XML]

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What's the best way of scraping data from a website? [closed]

...settle for "not too bad". I agree, it's doable in PHP (and FORTRAN, C, VB, etc.) but unless your problem is really really simple then it would be a much better idea to use the right tools for the job. And again, unless you have an incredibly simple problem to solve ... what does it matter that reg...
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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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Downloading a large file using curl

...URNTRANSFER has to be true in case you are getting file like pdf/csv/image etc. You may find the further detail over here(correct url) Curl Doc From that page: curl_setopt($request, CURLOPT_TIMEOUT, 300); //set timeout to 5 mins curl_setopt($request, CURLOPT_RETURNTRANSFER, true); // true to get...
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那些我印象深刻的建议和教诲 - 杂谈 - 清泛网 - 专注C/C++及内核技术

...弱点,真是人生的一大考验。有些人采取鸵鸟政策,假装问题不存在;有些人一看苗头不对就转移,避开心虚;还有些人打肿脸充胖子,掩盖心虚。总之,都是在躲,都是不健康的应对。 真正健康的方式是什么?是努力戒除情...
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Which MySQL data type to use for storing boolean values

...eah, I'd go for either this or, for a CHAR(1) and store 'Y'/'N' or 'T'/'F' etc. depending upon the context. The advantage of using a small integer type is that you get maximum portability across RDBMS-es – Roland Bouman May 15 '10 at 22:42 ...
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裁员!裁员!创业者们的2016“寒冬大逃杀” - 资讯 - 清泛网 - 专注IT技能提升

...候,“什么时候盈利”忽然成了几乎每个投资人都会问的问题,但在之前的三轮融资都没有人提过。当时大家关心的都是订单量、GMV和增速。 “无论公司当下有没有收入,从财务模型上看,都是要在收敛的、亏损是在变小的。...
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CodeIgniter: How to get Controller, Action, URL information

...ass: $this->uri->segment(n); // n=1 for controller, n=2 for method, etc I've also been told that the following work, but am currently unable to test: $this->router->fetch_class(); $this->router->fetch_method(); ...
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VC的陷阱,看哪些条款会威胁到创业者的利益 - 资讯 - 清泛网 - 专注C/C++及内核技术

...记住,通往地狱的路由善意铺就。一些条款因为细节上的问题会造成不愉快,可能与创业者的利益相悖。 在遇到这些条款时,如果创业者的议价能力足够强,要果断地作出调整或直接拒绝,保障自己、企业、合伙人及其他员工...
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What is an ORM, how does it work, and how should I use one? [closed]

...bases but the most popular is relational ( you know tables, columns, pk fk etc eg Oracle MySQL, MS-SQL ) And finally the Mapping part is where you do a bridge between your objects and your tables. In applications where you don't use a ORM framework you do this by hand. Using an ORM framework wou...
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How can I get browser to prompt to save password?

...isplay the request for password save. You may also add some error handler, etc. Hope it helped to someone. share | improve this answer | follow | ...