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When is it appropriate to use UDP instead of TCP? [closed]
...nt your own protocol for reliability or to resend. DNS is the perfect description of this use case. The costs of connection setups are way too high (yet, DNS
does support a TCP mode as well).
Another case is when you are delivering data that can be lost because newer data coming in will replace tha...
Stopping scripters from slamming your website
...shop, the subsidiary of Woot that does the design, writes the product descriptions, podcasts, blog posts, and moderates the forums. I work with CSS/HTML and am only barely familiar with other technologies. I work closely with the developers and have talked through all of the answers here (and many o...
思维导图软件 XMind 与 FreeMind 的对比 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...链接
FreeMind：可以有超链接到外部文档和图片，也可以显示外部的图片。但这些资源都只是 .mm文件中的链接url，并非素材本身。即，.mm是纯文本的xml，包括 FreeMind 的图标也是以ID数字标示。
XMind：支持上述链接方式，也支持（...
【AI2+AI】人工智能舞姿识别App - 创客硬件开发 - 清泛IT社区，为创新赋能！
...视图。ResetButton设置Dance Score得分为零。WebViewer组件用来显示摄像头视图，Canvas组件是在黑色背景或实时摄像机视图背景上创建身体骨架模型的地方。WebViewer组件和Canvas组件的尺寸必须匹配，以便对身体进行跟踪。建议不要更改...
Recommended way to get hostname in Java
... is the name of your computer. Any attempt to determine the hostname by an IP address like this
InetAddress.getLocalHost().getHostName()
is bound to fail in some circumstances:
The IP address might not resolve into any name. Bad DNS setup, bad system setup or bad provider setup may be the reason f...
mongo - couldn't connect to server 127.0.0.1:27017
...o the mongod server.
This could be because the address was wrong (host or IP) or that it was not running. One thing to note is the log trace provided does not cover the "Fri Nov 9 16:44:06" of your mongo timestamp.
Can you:
Provide the command line arguments (if any) used to start your
mongod p...
快速开发CSS的利器LESS 系列教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...中有多处的标题，一部分标题共同拥有一个特点，即超出显示为省略号。那么此时我们超出显示为省略号的代码是：
.text-overflow {
display:block;/*内联对象需加*/
word-break:keep-all;/* 不换行 */
white-space:nowrap;/* 不换行 */
...
Maximum packet size for a TCP connection
...
Your 1480'ish should be 1460. The IP header and the TCP header take up 20 bytes each at least (unless optional header fields are used) and thus the max for (non-Jumbo frame) Ethernet is 1500 - 20 -20 = 1460.
– Evgeniy Berezovsky
...
How to grant remote access to MySQL for a whole subnet?
I can easily grant access to one IP using this code:
7 Answers
7
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SQLite INSERT - ON DUPLICATE KEY UPDATE (UPSERT)
...rts upsert, so now you can simply write the following
INSERT INTO visits (ip, hits)
VALUES ('127.0.0.1', 1)
ON CONFLICT(ip) DO UPDATE SET hits = hits + 1;
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