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What are sessions? How do they work?
...crypted and stored in a cookie. This greatly simplifies scaling out to multiple nodes as the servers don't need to 'remember' anything.
– Matt Harrison
Jan 30 '15 at 20:56
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Change key pair for ec2 instance
...ts on boxes you've been connecting from.
– brandonscript
Apr 9 '14 at 6:38
22
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How to send data to local clipboard from a remote SSH session
Borderline ServerFault question, but I'm programming some shell scripts, so I'm trying here first :)
11 Answers
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How can I sanitize user input with PHP?
...is a built-in FILTER_VALIDATE_EMAIL type
My own filter class (uses JavaScript to highlight faulty fields) can be initiated by either an ajax request or normal form post. (see the example below)
/**
* Pork.FormValidator
* Validates arrays or properties by setting up simple arrays.
* Not...
创业 比“直男癌”更可怕的是“技术癌” - 资讯 - 清泛网 - 专注C/C++及内核技术
...结合当时方兴未艾的RFID技术做了一整套的生猪养殖过程监控系统。他们的解决方案是这样的：给每一头猪都打上一个RFID耳标，而后通过后台管理系统自动追踪每一头猪的喂养和用药情况。当时的一个RFID猪耳标售价二三十元，再...
Detect iPad Mini in HTML5
Apple's iPad Mini is a smaller clone of the iPad 2 in more ways than we'd want. In JavaScript, the window.navigator object exposes the same values for the Mini and iPad 2. My tests so far to detect the difference have not lead to success.
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App Inventor 2 中文网 · 项目指南
...试。 Python是一种编程语言，广泛用于Web应用程序、软件开发、数据科学和机器学习(ML)。 C++是一种计算机高级程序设计语言，由C语言扩展升级而产生，诞生于贝尔实验室。 ...
离开1号店 于刚再创业钟情“互联网+” - 资讯 - 清泛网 - 专注C/C++及内核技术
...业领先的医药B2C、B2B平台；第二，数字移动医疗：在推出网络医院的基础上，未来将通过管理系统导入优质医生和医疗资源，完善互联网健康服务体系；第三，医疗健康服务平台：用互联网的思维方式打造全方位数字移动医疗健...
How are ssl certificates verified?
...ted certificate authority.
The certificate contains the domain name and/or ip address of the web server. Your web browser confirms with the certificate authority that the address listed in the certificate is the one to which it has an open connection.
Your web browser generates a shared symmetric k...
2016电商“死亡”名单（上半年） - 资讯 - 清泛网 - 专注IT技能提升
...速配服务的O2O平台，成立于2014年10月，隶属于湖南最鲜到网络科技有限公司。公司注册资本1000万人民币，法人代表为最鲜到创始人兼CEO陆刚。2014年开始在上海试运营，业务曾扩展至北京、深圳、杭州等十多个城市，合作品牌包...