akamai streaming

allocations per executor is more appropriate for a program that handles spark streaming *. The best number of core is usually odd: 5,7 */sparkconf sc = new sparkconf (). Setmaster (Args[0)) . Setappname ("online count"); /** * Second step: Create Sparkstreamingcontext: * This is a sparkstreaming application of all the functions of the starting point and the core of the program scheduling * Sparkstreamingcontext build based on sparkconf parameters,

Design BackgroundSpark Thriftserver currently has 10 instances on the line, the past through the monitoring port survival is not accurate, when the failure process does not quit a lot of situations, and manually to view the log and restart processing services This process is very inefficient, so design and use spark Streaming to the real-time acquisition of the spark Thriftserver log, through the log to determine whether the service stopped service, s

-write log before the database is actually changed. This guarantees that the timestamp of the pre-write log will never lag behind the database, even if the server is suddenly crashing at the time of the write, and the data can be recovered from the pre-write log after the restart because the pre-write log retains the newer version than the database record. The asynchronous replication solution for PostgreSQL is the use of a pre-written log to transfer the pre-written log from the primary server

audio also gradually network, this is we talked about the multimedia network, the network is by the video, the audio rich content, has developed the form. We can describe the network as a huge library, a huge video, audio library, where we can find any video, audio files we want, and easily download to the local machine. And the realization of the broadband technology provides a favorable condition for the online audio-visual on the network. At this point, we are really in touch with

Time. Duration)) Error {cmd:= Exec.command ("FFmpeg", args ...) ifcallback = =Nil {var cmderr bytes. Buffer cmd. Stderr= CmderrifERR: = cmd. Run (); Err! =Nil {return extracterror (err, cmderr.string ())} return nil}//ffmpeg stdout is stderrstderr, err: =cmd. Stderrpipe ()ifErr! =Nil {return err}W, Err: =Newwatcher (stderr, callback)ifErr! =Nil {return err} deferW. Close () defer cmd. Process.wait ()ifERR: = cmd. Run (); Err! =Nil {return err} return nil}View CodeThe Go language call context pu

First demo. Waterfall Flow Sort: http://cued.xunlei.com/demos/publ/demo1.html Waterfall Flow + Infinite drag http://cued.xunlei.com/demos/publ/demo2.html With the popularity of Pinterest, waterfall streaming layout is used by more and more sites, this layout does have a lot of benefits, the Picture List page has a strong visual appeal, but also improve the user "find a good map" efficiency. Waterfall flow to achieve a number of ways, before the Tao

The ability to use AJAX to generate streaming file downloads can be used to hide the form. Need friends can refer to the following copy code code as follows: //Binding export button $ ("#btnExport"). Clickchecklogin (function () { var form = $ (" form.attr (' style ', ' display:none '); form.attr (' target ', '); form.attr (' method ', ' post '); form.attr (' action ', ' ajaxpost.aspx '); var input1 = $ (' input1.attr (' type ', ' hi

This article mainly introduces the PHP Streams (stream) detailed introduction and use, PHP Streams is a built-in core operation, may not be commonly used by developers, it is used for unified file, network, data compression and other types of file operation mode, and for these types of file operations to provide a set of common function interface, Need friends can refer to the following PHP streams is a built-in core operation, probably rarely used by ordinary developers, it is used for unified

JMF can be implemented in the RTP media stream playback (playback) and transmission (transmission), mainly by JAVAX.MEDIA.RTP, Javax.media.rtp.event, and the API defined in the JAVAX.MEDIA.RTP.RTCP package is complete. JMF can support specific RTP formats and dynamic loads through a standard JMF plug-in mechanism. You can play the RTP data stream locally or store it in a local file. Similarly, you can use the RTP API in JMF to transfer captured or stored media

See a lot of people continue to ask this question. As I've heard before, it's like the KVM bottom implementation doesn't really support J2ME to do streaming video/audio, but I don't know why that guy said that. So now there is a person abroad to propose the following ideas, and allegedly in the nokia6260[related data: Nokia 6260 Nokia62602.0 (3.0436.0) symbianos7.0s Series602.1 CONFIGURATIONCLDC-1.0] On the real implementation of (two network mode:

OutputStream, respectively, and require "sockets" on the InputStream and OutputStream types of node streams.Object flow: Used to write an object directly to write out.The Stream class has ObjectInputStream and ObjectOutputStream, itself these two methods are nothing, but the object to be written is required, the object must implement the Serializable interface, to declare that it can be serialized. Otherwise, the object stream cannot be read and written.There is one more important keyword, tran

In the previous article, explained how to use FFmpeg to implement the camera live, this article will be based on the implementation of a variety of video filters can be selected for the camera live example. This article contains the following contents 1, the basic introduction of Avfilter 2. How to use FFmpeg command-line tools to implement various video filters 3. How to use Libavfilter programming to implement the function of adding various filters in the camera live stream has a strong compre

Pure Ajax image upload, Ajax to post pictures streaming to the server. FormData can change post data to stream transfer. Ajax upload$ ("#upload"). Click (function () {var url = "http://mm.com/ajaxupload.php";var formData = new FormData ($ ("#frm") [0]);$.ajax ({Url:url,Type: ' POST ',Data:formdata,Async:false,Cache:false,Contenttype:false,Processdata:false,Success:function (returndata) {var jsonobj = eval (' (' +returndata+ ') ');alert (JSONOBJ.F);$

Introduction: About Java IO flow is very common, basically every project will be used, each encounter is to find a search on the internet, and tried. Last time a colleague asked me to read a Java file, I suddenly Meng the first reaction is to go online to find, although also can find, but their total feeling is not very practical, so today took time to see some of the Java IO flow operation, feeling or very rewarding, incidentally summed up some information to facilitate further study ... IO S

When using Ajax for information interaction, if the server returns a relatively large information, then relative to the completion of the transmission after the unified display, the flow-style display is more friendly. Streaming implementations of The principle is to set the timer, the time to view the state of the Ajax object and update the content, if the transfer is completed, cancel the timer. Copy Code code as follows: function Aja

css sticky footer layout Reference address: Zhang Xinxu teacher-css sticky footer layoutIn combination with the project specific scene gives the introduction: clicks the information, pops up the floating layer, displays the detailed information. The bottom of the floating layer has a close button, has been at the base, when the content does not open a page size, the Close button at the bottom of the page. When the content is stretched beyond the size of one page, the bottom content is pushed do