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Connecting to TCP Socket from browser using javascript
...tly no popular browser has implemented any such raw sockets api for javascript that lets you create and access raw sockets, but a draft for the implementation of raw sockets api in JavaScript is under-way. Have a look at these links:
http://www.w3.org/TR/raw-sockets/
https://developer.mozilla.org/...
How do I redirect output to a variable in shell? [duplicate]
I have a script like that
8 Answers
8
...
App Inventor 2 能否实现后台推送通知？源码级深度调研 - App应用开发 - 清...
... NotificationChannel、构建 Notification 并通过 NotificationManager 显示、支持多种样式（大文本、大图片、音乐播放、消息回复、进度条）。
关键限制：这是"本地通知"，不是"远程推送"。通知只能在 App 运行时通过代码...
Remote Connections Mysql Ubuntu
...and below
uncommented in /etc/mysql/my.cnf and assigned to your computers IP address and not loopback
For mysql version 5.7 and above
uncommented in /etc/mysql/mysql.conf.d/mysqld.cnf and assigned to your computers IP address and not loopback
#Replace xxx with your IP Address
bind-address ...
StringUtils 字符串工具扩展：强大的文本处理工具集 · App Inventor 2 中文网
...本填充和居中
字符串缩写
ASCII 码转换
电子邮件和 IP 地址验证
字符串相似度计算（Levenshtein 距离）
三种函数变体
扩展提供三种函数变体以满足不同需求：
变体
说明
示例
...
Origin null is not allowed by Access-Control-Allow-Origin
...partially solved simply by using the following jQuery instruction:
<script>
$.support.cors = true;
</script>
I tried it on IE10.0.9200, and it worked immediately (using jquery-1.9.0.js).
On chrome 28.0.1500.95 - this instruction doesn't work (this happens all over as david compl...
Keep-alive header clarification
...ween computer A and server F")?
A TCP connection is recognized by source IP and port and destination IP and port. Your OS, all intermediate session-aware devices and the server's OS will recognize the connection by this.
HTTP works with request-response: client connects to server, performs a requ...
用Javascript获取页面元素的位置（全） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...）。
很显然，如果网页的内容能够在浏览器窗口中全部显示（也就是不出现滚动条），那么网页的大小和浏览器窗口的大小是相等的。如果不能全部显示，则滚动浏览器窗口，可以显示出网页的各个部分。
二、获取网页的大...
Cannot ping AWS EC2 instance
...ill help someone else...
1) First make sure the EC2 instance has a public IP. If has a Public DNS or Public IP address (circled below) then you should be good. This will be the address you ping.
2) Next make sure the Amazon network rules allow Echo Requests. Go to the Security Group for the EC2.
...
Node.js + Nginx - What now?
...s-available/yourdomain.com
In it you should have something like:
# the IP(s) on which your node server is running. I chose port 3000.
upstream app_yourdomain {
server 127.0.0.1:3000;
keepalive 8;
}
# the nginx server instance
server {
listen 80;
listen [::]:80;
server_name y...