大约有 870 项符合查询结果(耗时:0.0258秒) [XML]

https://stackoverflow.com/ques... 

C# How can I check if a URL exists/is valid?

...ps you can refine the solution by differentiating between different cases (TCP connection failure - host refuses connection, 5xx - Something fatal happened, 404 - Resource not found etc). Have a look at the Status property of WebException ;) – David Taylor May ...
https://stackoverflow.com/ques... 

How do you specify a different port number in SQL Management Studio?

...ecting to it, then you may need to specify the protocol as well. Example: tcp:192.168.1.21\SQL2K5,1443 share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

MySQL show current connection info

...ver (GPL) Protocol version: 10 Connection: localhost via TCP/IP Server characterset: latin1 Db characterset: latin1 Client characterset: gbk Conn. characterset: gbk TCP port: 3306 Uptime: 7 min 16 sec Threads: 1 Questions: 21 Slow q...
https://stackoverflow.com/ques... 

Is it possible to pass query parameters via Django's {% url %} template tag?

...e: from django.conf.global_settings import TEMPLATE_CONTEXT_PROCESSORS as TCP TEMPLATE_CONTEXT_PROCESSORS = TCP + ( 'django.core.context_processors.request', ) share | improve this answer ...
https://stackoverflow.com/ques... 

What is “overhead”?

...being used. Examples: Protocol overhead: Ethernet frames, IP packets and TCP segments all have headers, TCP connections require handshake packets. Thus, you cannot use the entire bandwidth the hardware is capable of for your actual data. You can reduce the overhead by using larger packet sizes and...
https://stackoverflow.com/ques... 

How to create a loop in bash that is waiting for a webserver to respond?

...ou have no access or async api with your client, you can try grepping your tcp sockets like this: until grep '***IPV4 ADDRESS OF SERVER IN REVERSE HEX***' /proc/net/tcp do printf '.' sleep 1 done But that's a busy wait with 1 sec intervals. You probably want more resolution than that. Also ...
https://stackoverflow.com/ques... 

How to prevent errno 32 broken pipe?

... It depends on how you tested it, and possibly on differences in the TCP stack implementation of the personal computer and the server. For example, if your sendall always completes immediately (or very quickly) on the personal computer, the connection may simply never have broken during sendi...
https://stackoverflow.com/ques... 

Sending websocket ping/pong frame from browser

... TCP does not notify of disconnects when RST/FIN packets were not received. TCP only detects dropped connections when a sender attempts to send on a disconnected connection. Pings are used as heartbeats in many applications an...
https://www.fun123.cn/referenc... 

使用Activity启动器组件 · App Inventor 2 中文网

...应用程序更简单,而不是创建两个使用 Activity Starter 进行通信的单独应用程序。 但你可能希望拥有单独的应用程序的一种情况是,两个人在一个项目上松散地协作并希望单独工作。 请记住,为了运行组合应用程序,用户必须在...
https://stackoverflow.com/ques... 

Where is Erlang used and why? [closed]

...er. It has to route many messages simultaneously, and handle many a lot of TCP/IP connections. So we have 2 features: handle many connections route messages given some aspects of the message These are examples where erlang shines. handle many connections It is very easy to build scalable non-...