simple spark streaming example

2, Scala simple example Reference Tutorial: HTTPS://YQ.ALIYUN.COM/TOPIC/69 2.1 Interactive Programming Spark-shell is spark interactive operating mode, provides interactive programming, side-knocking code side execution, do not need to create program source files, convenient debugging procedures, conducive to rapid le

Transferred from: http://blog.csdn.net/kikilizhm/article/details/7858405This gives an example of a simple socket network programming under Linux, communicates with the TCP protocol, listens on the server, sends the data to the client after receiving the client's connection, and the client prints and closes after receiving the data. There are detailed instructions in the program, in which the specific struct

The program simply reads the data from the file and calculates it.Package com.bill.www/** * Created by Bill on 2016/2/3. * Purpose: Simple data calculation using Scala * source file: Interface record number of 20, including timestamp and floating-point data * execution: Scala Readfile.scala "E:\\spark\\data\\i_22_221000000073_l_ 20151016\\i_22_221000000073_l_20151016_223458.dat "* Development environment: W

C # simple game plug-in (taking Warcraft III as an example) There are many plug-in production tutorials on the internet, mostly for large-scale online games, including packet capture, disassembly, and C ++ knowledge synthesis. The same is true. Common plug-ins are written in VC ++ and have never been written in C # or other. NET languages. As a loyal fan of Microsoft. NET technology, this is a pity. However

on the keypad to Q will not cause any conflict. The method is also very simple: if the user is monitored to press the "Q" key, it is like the game process sends the "7" key on the keypad. The Code is as follows: // If the user presses the Q key If (Input. vkcode = (Int ) Keys . Q ){ // Obtain the handle of the Warcraft Program Intptr Wchandle = findwindow ( Null , "Warcraft III" ); // If the hook is valid If (Wchandle! = Intptr . Zero ){ // Set

When it comes to sockets, people who have learned the basics of internet have heard that he is the abstraction of TCP/IP, he is the portal of the Internet world, it is everywhere. Learn the socket programming, means to be able to more deep control of your traffic, and then look at the Python urllib* or php curl, it is pediatrics! I. Some nouns Address Family Address type, protocol family, may be the following Socket.af_inet---> IPv4 addresses.SOCKET.AF_INET6---> IPV6 addresses.Socket.af_uni

PHP delivers a simple example of JSON data based on jquery's Ajax technology, Jqueryjson In this paper, a simple implementation method of PHP-based AJAX technology is presented. Share to everyone for your reference, as follows: HTML page: A look at the show results submitted PHP Page: Using the Post method Read more about PHP related content readers can vi

, decode the structure and retrieve the information, and so on, which is the process of translating a unstructured character sequence representing an XML document into a structured component that satisfies the XML syntax.There are two main ways to parse XML: SAX (Simple API for XML) and Dom (Document ObjectModel).Sax is based on the parsing of event streams. The advantages of Sax processing are very similar to the advantages of

based on XHTML and CSS standards; · Use the document Object model for dynamic display and interaction; · Asynchronous communication with the server using XMLHttpRequest; · Use JavaScript to bind everything; · Use XML and XSLT, Exchange and manipulate data. The above technology is a number of widely used technology, all belong to the older technology, Ajax is the combination of these several technologies. "Simple Instance" Copy Code code as fo