real time data streaming kafka

# # Swoole+redis Implementation of real-time data push

Sina's financial channel has always felt good. But because of the recent slow speed, the Web page is always open when viewing stock information. have been studying Ajax for several days, so I made a page with jquery to automatically read real-time data on Sina stock. Accustomed to using prototype, replace the script part of the code. Copy code code as

interface. We analyzed the stock plugin used on a forum,There is an introduction to real-time stock data acquisition, as shown in the following code, where you can see some data from Sina.The following is an example of asp:=5 ThenStockdata=gethttp ("Http://hq.sinajs.cn/list=sh" code "")If not Len (stockdata) =0 then S

ajax| Data | Database One, INTRODUCTION Today, there are quite a few web applications, such as Backpack,blinksale and Gmail, that integrate database technology with Ajax. This integration has a huge impact on Web applications and the user experience by providing a powerful technology that communicates with the database without refreshing the browser-which means that real-

. Registerreceiver (Receiver,filter); } @Overrideprotected voidOnDestroy () {//End ServiceStopService (NewIntent (mainactivity. This, Countservice.class)); Super.ondestroy (); } /** * Get Broadcast data * * @author Jiqinlin **/ Public classMyreceiver extends Broadcastreceiver {@Override Public voidOnReceive (Context context, Intent Intent) {Bundle bundle=Intent.getextras (); intCount=bundle.getint ("Count"); Edittext.settext (Count+"");

("Com.ljq.activity.CountService"); MainActivity.this.registerReceiver (Receiver,filter);} @Override protected void OnDestroy () {//End service stopservice (New Intent (Mainactivity.this, countservice.class)); super.ondestroy (); }/** * get Broadcast data * * @author jiqinlin **/public class MyReceiver extends Broadcastreceiver {NBsp; @Override public void onreceive (context context, Intent Intent) {bundle Bundle=intent.getextras (); int Count=bundl

again using the rsync command C parameter-N: specifies the number of daemon threads enabled. The default value is 10-O: Specifies the configuration file. By default, confxml is used. XML file parameter-M: other modules are enabled separately. Use-M refreshcdn to enable and refresh the CDN module parameter-M: enable other modules separately and use-M socket to enable Start socket module parameter-M: enable other modules separately. Enable the HTTP module with-m http without the-M parameter, the

Use GoldenGate to synchronize data from MySQL to Oracle in real time Use GoldenGate to synchronize data from MySQL to Oracle in real time Use GoldenGate to synchronize data from My

"$line" >>/home/unison/inotify.logEcho ' date| Cut-d '-f1-4 ' >>/home/unison/inotify.logDone To create a script on Server2: #! /bin/baship1= "192.168.1.201"src1= "/home/unison/test"dst1= "/home/unison/test"/usr/bin/inotifywait-mrq-e Create,delete,modify,move $SRC 1 | while read line; Do/usr/bin/unison-batch $src 1 ssh://$ip 1//$DST 1Echo-n "$line" >>/home/unison/inotify.logEcho ' date| Cut-d '-f1-4 ' >>/home/unison/inotify.logDone Finally, the script can be

This article describes the content of data synchronization:There are four main contents:1. Overall function2. Data synchronization in Disk3. End-of-disk data synchronization4. Quarterly Data synchronization1. Overall functionThe theme interface is as follows:The main area has three blocks:

chart: Http://image.sinajs.cn/newchart/daily/n/sh601006.gif Time-sharing line query: Http://image.sinajs.cn/newchart/min/n/sh000001.gif Query the daily data records: Http://image.sinajs.cn/newchart/daily/n/sh000001.gif Weekly k query: Http://image.sinajs.cn/newchart/weekly/n/sh000001.gif Monthly kill query: Http://image.sinajs.cn/newchart/monthly/n/sh000001.gif 2. Web-Service Interface 2.1 Web-service of

Recently has been focus in the construction of ETL data Center this piece, the need to put hbase several tables of data in real-time synchronization to Elasticsearch, research for a period of time, on the Internet can refer to just a few documents: 1. The HBase

Share an example of a real-time data warehouse. The customer is a municipal Tobacco Company and needs to analyze the cigarette sales data in real time. About 0.1 million pieces of data

At present, real-time or quasi-real-time Big data models are more and more, technology is not advanced is not the first reason for popularity, the prosperity of community circles is the most important. Mainly has Redshift-An MPP from Amazon supports PB-level databases

Synchronize SQL server data to mysql in real time 1. install and install mysqlconnector2. configure mysqlconnectorODBC data Manager-> system DSN-> Add-> mysql ODBC 5.3 ANSI driver-> Fill in data source name such as jt, mysql ip address, user name, and password. create a c

=ordertime, @remark =remark from inserted;BeginPrint @idPrint @ordernoPrint @ordertimePrint @remarkexec Loopback.suzhou.dbo.sp_insert @id, @orderno, @ordertime, @remarkEndGo--Stored proceduresUse SuzhouGoCreate PROCEDURE Sp_insert (@id int,@orderno Char (20),@ordertime datetime,@remark varchar (200))AsBEGINSET NOCOUNT on;Insert OPENQUERY (JT, ' select * from sz ') (Id,orderno,ordertime,remark) VALUES (@id, @orderno, @ordertime, @remark)ENDGo----6.2 Update--Rewrite TriggerUse SuzhouGoCreate Trig

Data | refresh | Web page Real-time refresh of Web page data Originally intended to implement such a feature on a Web page: for example, there are multiple buttons on the page, button 1, button 2, button 3, etc. The response of the button 1 is time-consuming, how can you c

The last two sections briefly describe the programming of the model/view in Qt, and most of the assistants are very clear about it, so let's start with the actual combat section. In real-world applications, the data displayed by the view is often not static, so how to update it in real time becomes a very important iss

This article describes how to use php + swoole to update client data in real time (1). If you want to update a list in real time, the traditional method is round robin. Take the web as an example. use Ajax to regularly request the server and then obtain the

=" centered "Alt=" Data Report Analysis "style=" margin:0px auto;padding:0px;list-style-type:none;border:0px; "/>What is the real investigation of No.4? Did the cock silk hit the counter?The study took 403 Hunan University graduates sample, the graduation time within 8 years, all in Hunan employment. The fathers of these 403 people belonged to 4 different social