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UDP vs TCP, how much faster is it? [closed]
...dges a set of packets, calculated by using the TCP window size and round-trip time (RTT).
For more information, I recommend the simple, but very comprehensible Skullbox explanation (TCP vs. UDP)
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Cookies vs. sessions
...omes invalid. If it was all based on cookies, a user (or hacker) could manipulate their cookie data and then play requests to your site.
Edit: I don't think there is any advantage to using cookies, other than simplicity. Look at it this way... Does the user have any reason to know their ID#? Ty...
select、poll、epoll之间的区别总结[整理] - C/C++ - 清泛网 - 专注C/C++及内核技术
...列中并不代表进程已经睡眠了)。在设备收到一条消息(网络设备)或填写完文件数据(磁盘设备)后,会唤醒设备等待队列上睡眠的进程,这时current便被唤醒了。
(6)poll方法返回时会返回一个描述读写操作是否就绪的mask掩...
Master-master vs master-slave database architecture?
... this is that it is very hard to preserve absolute consistency. See the wikipedia article for more.
Wikipedia seems to have a nice summary of the advantages and disadvantages
Advantages
If one master fails, other masters will continue to update the
database.
Masters can be located ...
403 Forbidden vs 401 Unauthorized HTTP responses
...as. I typically use this status code for resources that are locked down by IP address ranges or files in my webroot that I don't want direct access to (i.e. a script must serve them).
– Kyle
May 9 '13 at 13:20
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What's the difference between streams and datagrams in network programming?
...datagram socket when order is less important than timely delivery (think VoIP or game protocols), when you don't want the higher overhead of a stream (this is why DNS is primarily a datagram protocol, so that servers can respond to many, many requests at once very quickly), or when you don't care to...
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
...束阅读文史哲的魅力实在太大了,越看越入迷,加之当时网络管束很松,很容易在网上和大家聊得热血沸腾——只是,我从没有想过自己毕业了要干什么。
结果,又一次和王老师聊天时,他跟我说:“技术才是你的安身立命之...
Using Custom Domains With IIS Express
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You could also use a URL like http://jam.127.0.0.1.xip.io/ if you don't want modify your hosts file. Plus, any collaborators won't need to modify theirs. See xip.io.
– Zack Martin
Aug 11 '16 at 16:12
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云数据及Firebase组件简介 · App Inventor 2 中文网
...个副本都可以读取和写入有关高分的数据。
在线存储在网络上的数据称为云数据。 一份云数据就是一个云价值。
App Inventor 的 FirebaseDB 组件提供了一种在您发明的应用程序中使用云数据的方法。 数据使用 Firebase 数据库服务 htt...
外媒评本轮科技泡沫:创业公司首当其冲 九成将消失 - 资讯 - 清泛网 - 专注...
...雇佣关系,他们主要以独立承包商的身份存在。
更好的软件、针对买卖双方的第三方市场以及整体经济环境,让大量创业公司至少有了存在的可能,但这并不意味着这些因素最终会产生协同效应。
如果能称得上是一次科技泡...