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  • 第200天:js---常用string原型扩展

    5 } 33、返回字节数1 *** 返回字节数 *** 2 string.prototype.lenb = function(){ 3 return this.replace(g,**).length; 4 } 34、检查是否包含汉字1 *** ...5 }二、系统中js的扩展函数1、清除两边的空格1 清除两边的空格 2string.prototype.trim = function() { 3 return this.replace((^s*)|(s*$)g, ); 4 }...
  • 如何通过js将一base64编码的图片显示在html中

    gfy1yrqkyutyrlzrklmewpd0xqbkcaczmrpscckhk+sdgew2o9aycwuciher8ntuhbilikqkdmstu4q1tkqkzmpklaanxisqdkc+xrndv8zkkyzct5kuavphb9qkfpxuopscj43v9mpxx0ckkjw4rl1rgatssa2lu0zsipkczoqlkcavcu2m3pbcpg2samdkmn3nbalenbejghtfhyaw+0yyvk8itjrfopp8tkiqhoy6eqxwxjyvpyhbbj5pbkvvyq9oix0abmdodsh9q2gbkcaadoamcuxyq16it...
  • 搭建简易的物联网服务端和客户端-STM32(一)

    char lenbuf = {0}; *pkt = 0; sprintf(databuf, {%s:%s,%s:%s}, dsid1, val1, dsid2, val2); sprintf(lenbuf, %d, strlen(databuf)); strcat(pkt, data...3.16 搭建简易的物联网服务端和客户端目录使用的器件: stm32f103cbt6 单片机esp8266-01swifi模块sht20温湿度bt05蓝牙模块反射式红外使用的node.js服务端...
  • 随机路由Erlang损耗模型中平均场波动的敏感性(CS)

    we show that the limit is an ornstein-uhlenbeck process whose mean andvariance depend on the mean-field of the considered model. using this,we obtain approximations to the blocking probabilities for large n,where we can precisely estimate the accuracy of first-order approximations...
  • go的websocket实现原理与用法详解

    this.conn.write(byte{paylenbyte}) this.conn.write(this.maskingkey) } else{ paylenbyte = byte(0x00) | byte(lenth)this.conn.write(byte, err error)...实例具体使用go的实现例子:客户端:html: var socket; js:$(#connect).click(function(event){ socket = new websocket(ws:127.0.0.1:8000)...
  • go的websocket实现原理与用法详解

    this.conn.write(byte{paylenbyte}) this.conn.write(this.maskingkey) } else{ paylenbyte = byte(0x00) | byte(lenth)this.conn.write(byte, err error)...实例具体使用go的实现例子:客户端:html: var socket; js:$(#connect).click(function(event){ socket = new websocket(ws:127.0.0.1:8000)...
  • VB6 调用谷歌翻译API进行文章单词翻译

    lenb(sthis) if llen = 0 then m_sstring = m_ipos = 0 m_ilen = 0 else if m_ilen< llen then do m_sstring = m_sstring & space$(m_ichunksize 2) m_i...urlencodegbk(nstr as string) as string dim js as object set js =createobject(scriptcontrol) js.language = jscript js.addcode (function b(a)...
  • WebSocket协议详解与c++&c#实现

    int nplayloadlenbytenum = 1; if (npayload_length == 126) { nplayloadlenbytenum = 3; } intnmaskingkeybytenum = 4; std::string amasking_key...websocket既能支持文本格式也可以支持二进制格式,这样无论是js还是c++,都可以适当的选择自己喜欢的数据格式。 ? websocket可以说完全治好了大家关于长...

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