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Processor Frequency of 528MHz Qualcomm MSM 7201A Mobile phone format Gsm/wcdma Screen 3.2 inch 320x480 pixel TFT touch screen Camera 3.2 million pixel autofocus (individual upgrades to 500W)

Document directory Interrupt architecture in Microsoft Windows CE. net Interrupt architecture in Microsoft Windows CE. net Released on: 7/23/2004 | updated on: 7/23/2004 Nat Framton (Windows Embedded MVPReal Time Development Corp. President) Applicable:Microsoft Windows CE. Net with Microsoft platform Builder 4.0 Content on this page Overview Interrupt Architecture Oal isr Processing Installable ISR

Document directory Windows CE. net For Windows CE 3.0 More priority levels More control over time and Scheduling Timer interruption Oemidle Function Thread time slice Change the method for handling priority inversion Interrupt handling and nested interrupt Nested interrupt Interruption lagging time ISR lagging time Ist lagging time To improve real-time performance, design and optimize Microsoft Windows CE. Net (on) Summary: Thi

= new URL ("http://v.youku.com/player/getPlayList/VideoIDS/" +videoid+)/timezone/+08/version/5/source/out? Password=ran=2513n=3 ");Gets the input stream from the URL objectInputStreamReader ISR = new InputStreamReader (Myurl.openstream ());PackagingBufferedReader br = new BufferedReader (ISR);ReadLine get the text, and then cut the information in the text with "\/"string[] url = br.readline (). Split ("\\/

/" +videoid+/timezone/+08/version/5/source/ Out?password=ran=2513n=3 "); 24//Get the input stream from the URL object InputStreamReader ISR = new InputStreamReader (Myurl.openstream ()); 26//Package BufferedReader br = new BufferedReader (ISR); //readline get the text and then "/" cut the information in the text string[] url = br.readline (). Split ("/"); Isr.close (); Br.close (); 32//Because the

. Then the concept of macro-level is expounded by Kafka copy principle and synchronous method. Finally, from the isr,hw,leader of the election and data reliability and durability assurance, and so on each dimension to enrich the knowledge of Kafka related points of understanding. 3.1 Kafka file storage mechanism Kafka messages are categorized by topic, and producers send messages to Kafka broker through topic, and consumers read data through topic. Ho

Create tables, populate test dataCreate TableGEOM1 (IDint not NULLAuto_incrementPrimary Key, Geo geometry);Insert intoGEOM1 (GEO)Values(St_geomfromtext ('Point (1 1)',3857));Insert intoGEOM1 (GEO)Values(St_geomfromtext ('Polygon ((0 0,10 0,10 10,0 10,0 0))',3857));Select from Geom1; /* get Spatial data in WKT format */ Select from /* get Spatial data in WKB format */Modify column self-increment typeAlter Table int Primary key auto_increment;To establish a spatial index, the index column mus

working case failed Replica back to the situation propagate message Producer When a message is posted to a partition, the leader of that partition is first found through zookeeper, and then regardless of the topic The number of factor (also known as the number of replica in the partition) Producer only sends the message to partition of that leader. Leader writes the message to its local log. Each follower is pull data from leader. In this way, the follower store data order is consistent with le

need to ensure how many replica have received the message before sending an ACK to producer How to deal with a situation where a replica is not working How to deal with failed replica recovery back to the situation Propagate messageProducer When a message is posted to a partition, the leader of the partition is first found by zookeeper, and then topic How much factor (that is, how many replica the partition has), producer sends the message only to partition of that leader. Leader w

need to ensure how many replica have received the message before sending an ACK to producerHow to deal with a situation where a replica is not workingHow to deal with failed replica recovery back to the situation"Propagate Message "Producer When a message is posted to a partition, the leader of the partition is first found by zookeeper, and then topic How much factor (that is, how many replica the partition has), producer sends the message only to partition of that leader. Leader writes the mes

(thread.max_priority); G1.list (); (3) Reduce G1 ' s Max priority, then attempt To increase it: G1.setmaxpriority (thread.max_priority-2); G1.setmaxpriority (thread.max_priority); G1.list (); (4) Attempt to set a new thread to the Max: t = new Thread (G1, "B"); T.setpriority (thread.max_priority); G1.list (); (5) Lower the max priority below the default Thread Priority: G1.setmaxpriority (thread.min_priority + 2); Look at a new thread ' s priority before And after changing it: t = new Thread (G

(thread.max_priority); G1.list (); (3) Reduce G1 ' s Max priority, then attempt To increase it: G1.setmaxpriority (thread.max_priority-2); G1.setmaxpriority (thread.max_priority); G1.list (); (4) Attempt to set a new thread to the Max: t = new Thread (G1, "B"); T.setpriority (thread.max_priority); G1.list (); (5) Lower the max priority below the default Thread Priority: G1.setmaxpriority (thread.min_priority + 2); Look at a new thread ' s priority before And after changing it: t = new Thread (G

= virtualalloc (0, rx_physize, Mem_reserve, page_noaccess ); If (pserialhead-> rxbufferinfo. rxcharbuffer = NULL) { Debugmsg (zone_error, (text ("com_init: virtualalloc failed! /R/N "))); Return (null ); } Else { If (! Virtualcopy (pvoid) pserialhead-> rxbufferinfo. rxcharbuffer, (pvoid) (rx_phyaddr ), Rx_physize, (page_readwrite | page_nocache ))) { Debugmsg (zone_error, (text ("com_init: virtualcopy failed! /R/N "))); Return (null ); } } In the above section, we first use the virtualalloc fun

From: http://blog.csdn.net/guly699/archive/2009/10/19/4696722.aspx First, I would like to introduce some of the commonly usedConcept 1. IRQ (interrupt request), physical interrupt request 2. sysintr, logical interrupt 3. ISR (interrupt service routine), service interruption routine 4. Ist (interrupt service thread), interrupt service thread Interrupt handling General interrupt handling process: 1. When an interruption occurs, the microprocessor jumps

(New Mykeylistener ()); This.add (a); SetSize (Default_width,default_height); Class Mypanel extends jpanel{public mypanel () {} public void Paint (Graphics g) {super.paint (g); graphics2d g2 = (graphics2d) g; Rectangle2D rect1 = new Rectangle2d.doublE (x[1],y[1],30f,30f); Rectangle2D rect2 = new rectangle2d.double (x[2],y[2],30f,30f); Rectangle2D rect3 = new rectangle2d.double (x[3],y[3],30f,30f); Rectangle2D Rect4 = new rectangle2d.double (x[

checkpointed highwatermark is found for partition [my-working-topic, 13] (kafka. cluster. partition) This line of log mentions the high watermark, which is used to record the log offset position information that the current leader replica has synchronized to other follower replicas and has been flushed to the log file. Why does it mean No checkpointed highwatermark is found? This is because my-working-topic is created. There is no data in the log file. Where is the log offset and highwatermark.

(thread.max_priority); G1.list (); (4)//attempt to set a new thread to the MAX:T = new Thread (G1, "B"); T.setpriority (thread.max_priority); G1.list (); (5)//Lower The max priority below the default//thread priority:g1.setMaxPriority (thread.min_priority + 2); Look in a new thread ' s priority before//and after changing it:t = new Thread (G1, "C"); G1.list (); (6) T.setpriority (T.getpriority ()-1); G1.list (); (7)//Make G2 a

[Data Source]: http://motion.chinaitlab.com/WINCE/30568.html I don't know who the author of this article is. These websites seem very irresponsible, even the author's name is not left, too much As mentioned in CE's help document, creating oal is a very complex task, and the common method is to copy the oal code of the original same platform, and then modify it to adapt to the special requirements of the platform. That is to say, for platforms without special requirements, it is sufficient to co

directory by default when creating a new user and copies all files under/etc/skel/to the new user's home directory.The default is to create a home directory that is modified in/etc/login.defs. Generally do not change.Usermod + parameter + username to modify user status information (uid,gid, group, Shell, etc.), the parameters are as follows-L New User name-U new UserID-D User Home directory location-G user-owned primary group-G user belongs to the subordinate group (-G in use, must have how man

Introduction to inputstreamreader and outputstreamwriter. I. inputstreamreader class Inputstreamreader exchanges byte streams into bytes streams. It is a bridge between byte stream and byte stream. If no character set encoding is specified, the decoding process uses the default character encoding of the platform, for example, GBK. Constructor: Inputstreamreader ISR = new inputstreamreader (inputstream in); // constructs an inputstreamreader cla