. -- see lpvr requirements.20. STB Standby recording-see lpvr requirements.ACL Access Control ListAs Application ServerBras broadband remote access serverCBR constant bit rate fixed bit rateCDN Content Distribution NetworkCLI command line interfaceCP content providerDRM Digital Rights ManagementDlna digital living network alliance digital life network alliance.DNTDMP Digital Media PlayerDMR digital media Renderer digital media ReceiverDMS Digital Medi
Summary of js Performance Optimization for stb frontend Development
Js Performance Optimization
Javascript is an interpreted language, and its performance cannot reach the level of C, C ++, and other compiling languages. However, there are still some ways to improve it.
1. Loop
In JavaScript, there are three types of loops: for (;), while (), and for (in. The efficiency of for (in) is very poor, because hash keys need to be queried during the for (in)
get the focus, this will certainly do but the user experience is much worse. So the app developed on TV is basically getting the focus of one of the controls on the page active (let the user know what to do with the focus). 3, network connection mode set-top box can have wiredThe RJ45 interface (Network cable interface) is ubiquitous on the set-top box, which means that it can be connected via a LAN. The phone is not a cable interface, we are doing is based on wireless module development (WIFI,
toprightcornergradient = new Radialgradient (width
-Radius, radius, radius, 0x7f000000, 0x00000000,
Tilemode.clamp);
Radialgradient bottomleftcornergradient = new Radialgradient (RADIUS,
Height-radius, Radius, 0x7f000000, 0x00000000, Tilemode.clamp);
Radialgradient bottomrightcornergradient = new Radialgradient (width
-Radius, Height-radius, radius, 0x7f000000, 0x00000000,
Tilemode.clamp);
//Draw four corner, is to draw four circle center angle is 90 degrees of the fan, DrawA
JS Performance OptimizationJavaScript is an interpreted language, with performance not reaching the level of compiled languages such as C and C + +, but there are some ways to improve it.1. CirculationThe loop in JavaScript has a for (;;), while (),
JS Performance optimization
JavaScript is an interpreted language, performance can not achieve and C, C + +, such as the level of compiled languages, but there are some ways to improve.
1. Cycle
The looping mode in JavaScript has a for (;;),
On the actual code:
Linkedlistnode.js Node class
Copy Code code as follows:
/*
* Linked list node
*/
Dare.linkedlistnode = function () {
This.data = null;//data field
This.prev = null;//Precursor
This.next = null;//Rear
In today's digital TV industry chain, digital TV set-top box (STB) is a simple and complex consumer terminal product. It is simple because it is very simple to produce a set-top box, the cost of industry access is not very high; it is complicated because it is a very complicated task to make the set-top box stable, reliable and powerful, especially in software system, because of the limitation of STB perfor
orphanage, and Harry found the game on the side of the road. Here is a point of contention. In the game, Xie rel was the mother of Alya, who held a 2nd ceremony to seal part of her soul recall in a baby girl. In addition, the escaped soul made the world to hide inside. In the movie, we can only say that arris are magic. No one knows whether she was born directly or whether to seal the soul in a baby's body. The reproductive possibility is close to 0
http://www.tsinsen.com/A1484The inline insertion is not good, we take all the operations offline and become the delete operation.Each time you ask, for the current B-string where the starting position and its length up and down two points, and then query the interval within the valid current a string within the match point. Maintained in a tree-like array.#include using namespacestd;Const intmaxlen=200015, maxm=200015, maxk= -;intTMP,STA,EDA,STB,EDB,L
Layering is the basic way for software to solve problems... but just one layering is even a design pattern...
Chestnut: ye bei catches animals on Olympus
1. Interfaces of creatures on Olympus
public interface God { public String power(); public String getName();}
2. creature on Mount Olympus
Public class Apollo implements God {Public String power () {return "messing up";} public void plague () {system. out. println ("Apollo started spreading plague");} Public String getname () {return "Apo
create or replace function GET_COUNT_ZS(deptcode in varchar2, tablename in varchar2,bs in varchar2)return varchar2is num varchar2(1000);c number;beginif(bs=0) then num:='select count(*) from '||tablename||' where deptcode like '''||deptcode||'%''';end if;if(bs=1) thennum:='select count(*) from '||tablename||' where deptcode like '''||deptcode||'%'''||' and SFDTGL=1' ;end if;execute immediate num into c;return c;end;
Second:
create or replace function GET_COU_SYQK(deptcode in varchar2, S
server| Sample | data
-- =====================================================--application example of direct query-- =====================================================
--1. FullName for each leaf node with STB ([Id],[fullname],[pid],[flag]) as ( SELECT [Id],cast (RTRIM ([name]) as nvarchar (4000)), [pid],1 from [TB] A WHERE not EXISTS ( SELECT 1 from [TB] WHERE [Pid]=a.[id]) UNION all SELECT A.[id],rtrim (b.[ Name] + '/' +a.[full
not as high as that of 5 GHz ).
In most families, the transmission loss of 802.11b/g or 802.11a signals is 2.4 GHz or 5 GHz.) In the case of coaxial cables, the transmission loss is lower than that of wireless cables, this is especially true when considering wireless signal barriers such as walls. Therefore, coaxial cables avoid a large loss of wireless paths, and adopt a low loss of coaxial cable paths or coaxial cable/wireless hybrid paths, this expands the connection distance and coverage of
{Char c;
Short s; int I;
}; # Pragma pack ()/* cancel the specified alignment and restore the default alignment */
Struct B {
Char c; int I;
Short s ;};
# Pragma pack (2)/* specify to align by 2 bytes */
Struct PB {
Char c; int I;
Short s ;};
# Pragma pack ()/* cancel the specified alignment and restore the default alignment */
Int main (){
Struct A stA; struct PA stPA;
Struct B stB; struct PB stPB;
Printf ("sizeof (A) = % d, c
. Therefore, when I/O of the streaming server is implemented, the management of multiple inputs and outputs, the management of multiple buffers, and the synchronization between them will greatly increase the processing capability requirements of the streaming server and bring about great algorithm complexity, it also reduces system stability and availability. While ts is reusing multiple audio and video streams and other data streams, only one RTP session needs to be created, so I/O is being per
is not required)
NFS configuration (server configuration, operations performed on the host that needs to share the file system)
Edit the/etc/exports file to add a shared directory:
/Home/stb 192.168.1.235 (rw, sync, no_root_squash)
/Home/stb 192.168.1.170 (rw, sync, no_root_squash)
/Home/stb 192.168.1.31 (rw, sync, no_root_squash)
/Home/
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