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AppInventor2如何通过socket给网络发16进制的数据？ - App Inventor 2 中文...
...能发ASCLL码？没办法收发HEX，蓝牙组件的有写字节功能，TCP网络组件没有。答：发送文本消息时，hexaStringMode 问：app inventor的给网络发16进制指令的方法，可以赐教吗？软件只能发ASCLL码？没办法收发HEX，蓝牙组件的有写字节功...
DendritasMqtt 拓展：用于 websocket 的Mqtt扩展 - App Inventor 2 拓展 - ...
...ritasMqtt 拓展：用于 websocket 的Mqtt扩展，附件可下载。MQTT TCP 拓展：提供MQTT服务的拓展，收费的，感觉没啥用，了解下即可，附件有稍旧的免费版本。这个拓展感觉应该是原始版本，支持原生的TCP协议，用最新版本即可：https://ww...
What is the difference between active and passive FTP?
...ent and server, the command and data channels, which are actually separate TCP connections.
The command channel is for commands and responses while the data channel is for actually transferring files.
This separation of command information and data into separate channels a nifty way of being able ...
How to open a web server port on EC2 instance
...ly clear to me from the linked instructions, but you should select "Custom TCP". Otherwise you won't be able to change the port.
– KKOrange
Dec 12 '19 at 1:39
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WebSockets vs. Server-Sent events/EventSource
...en XHR came out Windows 98 was the best OS, AOL was the best provider, and JSON didn't even exist. WebSockets replaced XHR almost a decade ago. If you hit snags using WS the thing that caused the snag is also outdated. There is no excuse to lag that far.
– Nick Steele
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What is the difference between ports 465 and 587?
...ice Name and Transport Protocol Port Number Registry
“Revoking the smtps TCP port” - Email from Internet Mail Consortium director Paul Hoffman, 12 Nov 1998.
RFC 6409 - Message Submission for Mail
RFC 5321 - Simple Mail Transfer Protocol
RFC 3207 - SMTP Service Extension for Secure SMTP over Tran...
What port is a given program using? [closed]
...need more functionality than netstat provides, vasac suggests that you try TCPView.
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Redis - Connect to Remote Server
... Action From
-- ------ ----
...
6379/tcp ALLOW Anywhere
6379/tcp (v6) ALLOW Anywhere (v6)
...
# To open the port
$ sudo ufw allow 6379/tcp
Restart Redis service
Do not forget to restart the Redis service for changes...
Find the host name and port using PSQL commands
...stat -plunt |grep postmaster
and you will see something similar as this
tcp 0 0 127.0.0.1:5432 0.0.0.0:* LISTEN 140/postgres
tcp6 0 0 ::1:5432 :::* LISTEN 140/postgres
in this case, port number is 5432 whi...
BSS段、数据段、代码段、堆与栈 剖析 - C/C++ - 清泛网 - 专注C/C++及内核技术
...1 的要大得多。当下甚为不解，于是手工编译了一下，并使用了/FAs 编译选项来查看了一下其各自的.asm，发现在程序1.asm 中ar 的定义如下：
_BSS SEGMENT
?ar@@3PAHA DD 0493e0H DUP (?) ; ar
_BSS ENDS
而在程序2.asm 中，ar 被定义为：
_DATASE...