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Http长连接200万尝试及调优 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...冲的大小,但是不能超过最小与最大。为了使每个socket所使用的内存数最小,我这里设置默认值为4096。 net.ipv4.tcp_wmem 用来配置写缓冲的大小。 读缓冲与写缓冲在大小,直接影响到socket在内核中内存的占用。 而 net.ipv4.tcp_mem ...
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Combining node.js and Python

... server and TCP/IP sockets otherwise. For marshaling protocol I would take JSON or protocol buffer. If threaded Python shows up to be a bottleneck, consider using Twisted Python, which provides the same event driven concurrency as do node.js. If you feel adventurous, learn clojure (clojurescript, c...
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AsciiConversion 拓展问题:字母开头的会出现“C2”非预期字符 - App Inven...

...此时需要传入二进制数组,而原生并没有这个数据结构,使用拓展可以实现:UrsAI2ByteArray 字节数组扩展:读写二进制数据 - App Inventor 2 拓展 2、字符串模式下,使用Ascii拓展将二进制列表转换成字符串再发送,当二进制为0~127...
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App Inventor 2 接入阿里云短信服务,实现短信验证码功能 · App Inventor 2 中文网

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How to stop app that node.js express 'npm start'

...tstop: Run by the npm stop command. Set one of the above in your package.json, and then use npm stop npm help npm-stop You can make this really simple if you set in app.js, process.title = myApp; And, then in scripts.json, "scripts": { "start": "app.js" , "stop": "pkill --signal S...
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OpenSSH升级后不能登录的问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...ingyan.baidu.com/article/9f63fb91ac7ebcc8400f0e94.html 配置完成后 使用telnet 登录到服务器 开始更新openssh yum update openssl yum update openssh 重启服务 service sshd restart 使用ssh –V 查看更新成功没有 接下来就是噩梦的开...
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TCP loopback connection vs Unix Domain Socket performance

...ts, etc. Google this if in doubt, not a new thing. – JSON Oct 17 '14 at 20:45 4 What about local ...
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中文网(自研/维护)拓展 · App Inventor 2 中文网

...eiverNotification 方法时,它会存储添加的消息,要删除,请使用此方法。 ConfirmSendingMessage() 如果用户响应通知中的消息,它将显示一个加载图标,直到该块被使用。 GetFavorite() 获取该歌曲是否被标记为收藏。 LargeIconNotifi...
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Why / when would it be appropriate to override ToString?

...ely, such strategies are very common: ISerializable (C#) Pickle (Python) JSON (Javascript or any language that implements it) SOAP etc... Note: Unless you're using PHP because, herp-derp, there's a function for that ::snicker:: Reason 2 - ToString() is not enough: I have yet to see a language ...
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基于内网外隔离的微信推送解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...送解决方案先来看看需求我们假设原始TOP如下:内网用户tomcat1&tomcat2 服务器有访问微信企业API接口服务器的需求,但是该网络环境要求比较严格,...先来看看需求 我们假设原始TOP如下: 内网用户tomcat1&tomcat2 服务器...