大约有 800 项符合查询结果(耗时:0.0086秒) [XML]

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Remote JMX connection

...If I try to connect to this port from a remote machine using jconsole, the TCP connection succeeds, some data is exchanged between remote jconsole and local jmx agent where my MBean is deployed, and then, jconsole displays a connect error message. I performed a wireshark capture, and it shows data e...
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Sockets: Discover port availability using Java

...ng the DatagramSocket as well to check if the port is avaliable in UDP and TCP. Hope this helps. share | improve this answer | follow | ...
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实战低成本服务器搭建千万级数据采集系统 - 更多技术 - 清泛网 - 专注C/C++...

...、通过各大微博的网页搜索,可见即可抓的方式,结合反监控系统模块模拟人的正常行为操作,搜索30万关键词数据,使资源最大化利用。为了保证在一个小时采集到,需要采用分布式多线程模式抓取,并发采集。并发的时候不...
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Telnet is not recognized as internal or external command [closed]

I am trying to perform port forwarding to connect two emulators using TCP protocol on Windows. Although I have enabled TCP client program from control Panel, "telnet" command is not recognized in Command Prompt. Could anyone help me to fix this? ...
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创业 比“直男癌”更可怕的是“技术癌” - 资讯 - 清泛网 - 专注C/C++及内核技术

...结合当时方兴未艾的RFID技术做了一整套的生猪养殖过程监控系统。他们的解决方案是这样的:给每一头猪都打上一个RFID耳标,而后通过后台管理系统自动追踪每一头猪的喂养和用药情况。当时的一个RFID猪耳标售价二三十元,再...
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In what situations would AJAX long/short polling be preferred over HTML5 WebSockets?

... support chart (full) | wikipedia WebSockets - client ↔ server. Create a TCP connection to the server, and keep it open as long as needed. The server or client can easily close the connection. The client goes through an HTTP compatible handshake process. If it succeeds, then the server and client ...
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Simulate delayed and dropped packets on Linux

I would like to simulate packet delay and loss for UDP and TCP on Linux to measure the performance of an application. Is there a simple way to do this? ...
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How to fix Error: listen EADDRINUSE while using nodejs?

... process ID (PID) of the process running on that port (say 8888): lsof -i tcp:8888 This will return something like: COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME node 57385 You 11u IPv6 0xac745b2749fd2be3 0t0 TCP *:ddi-tcp-1 (LISTEN) Then just do (ps - ...
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WebRTC vs Websockets: If WebRTC can do Video, Audio, and Data, why do I need Websockets? [closed]

...er only. Only supports reliable, in-order transport because it is built On TCP. This means packet drops can delay all subsequent packets. WebRTC: Just beginning to be supported by Chrome and Firefox. MS has proposed an incompatible variant. The DataChannel component is not yet compatible betwee...
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为什么大数据也不能帮你摆脱单身狗的命运? - 资讯 - 清泛网 - 专注C/C++及内核技术

...,通过用户的活跃度和发布的朋友圈来做。那么这就得去监控用户行为,后台将这些动作作为依据去迭代模型。 到底约几次才能找到真爱? 这是个有趣问题,老派的约会方式是去本地的PUB,比如你有1%的可能性对方同意要约,...