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How do I prevent site scraping? [closed]

...icles are served from a URL which looks something like example.com/article.php?articleId=12345. This (and similar things) which will allow scrapers to simply iterate over all the articleIds and request all the articles that way. There are other ways to eventually find all the articles, such as by wr...
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婚庆O2O:领跑的企业也就只走到B轮 - 资讯 - 清泛网 - 专注C/C++及内核技术

...意思,很好玩?然并卵,怎么赚钱呐?如果不能解决这个问题,能叫商业创业吗?又不是过家家,自己嗨就行。当然如果只是闲着没事儿,想为爱晒幸福、秀恩爱的新人们多提供一些渠道,活着到也无妨。只是看你们撑的这么辛...
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技术和资本玩转创客圈 英特尔在中国的动作才刚刚开始 - 资讯 - 清泛网 - 专...

...2月的终极加速和路演,其中既有关注环保、医疗等社会问题的“智慧低碳社区”、“医院罗盘”项目,又有提升智能生活体验的“完美幻境”、“智能行车记录仪”、“图传机械臂”等智能硬件。 这些项目大多有一个特点——...
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Java 反射最佳实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...哇,就一行代码啊,很爽吧~ 爽完了,我们就来看看反射问题吧。因为不是系统给出的api,所以谷歌在不同的版本上用了不同的方法名来做处理,用反射的话我们就必须进行版本的判断,这是需要注意的,此外反射在性能方面确...
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What are the differences between vector and list data types in R?

... As someone who's just gotten into R, but comes from a C/Java/Ruby/PHP/Python background, here's how I think of it. A list is really an array + a hashmap. It's a PHP associative array. > foo = list(bar='baz') > foo[1] 'baz' > foo$bar 'baz' > foo[['bar']] 'baz' A vector is a f...
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What is an ORM, how does it work, and how should I use one? [closed]

...inciples. There are a lot of ORM libraries around here: Java: Hibernate. PHP: Propel or Doctrine (I prefer the last one). Python: the Django ORM or SQLAlchemy (My favorite ORM library ever). C#: NHibernate or Entity Framework If you want to try an ORM library in Web programming, you'd be better ...
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What is the difference between Google App Engine and Google Compute Engine?

...d. But the restriction is, you can create your application in only Python, PHP, Java, NodeJS, .NET, Ruby and **Go. On the other hand, GCE provides you full infrastructure in the form of Virtual Machine. You have complete control over those VMs' environment and runtime as you can write or install an...
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Shortest way to print current year in a website

...implement a server side solution and it worked for him. The simple code in php <?php echo date('Y'); ?> Enjoy! share | improve this answer | follow | ...
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无人驾驶汽车大难题 人工智能同人的差距显著 - 资讯 - 清泛网 - 专注C/C++...

...自动驾驶的时间节点。不过,法律可能是其绕不开的一大问题。 据了解,在美国只有加州、佛罗里达州以及内华达州通过了相关的法律法规,允许自动驾驶汽车上路测试。不过其同时也要求车内必须有人并持有驾照,能在紧急...
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Difference between $.ajax() and $.get() and $.load()

...s arrays of data to the server (POST request) $( "#objectID" ).load( "test.php", { "choices[]": [ "Jon", "Susan" ] } ); share | improve this answer | follow |...