how to waiter for dummies

-blocking refers to whether an action is performed such that the operation ends again, or returns immediately.For example, to a restaurant to order, the transfer menu to the chef:(1) Blocking: Wait in the window until the chef finishes the dish to the window and then serve, during which time the waiter cannot do anything else.(2) Non-blocking: can first go to do other things, after a while to the window to say hello No, no good will come again to cont

Simple code Let's take a look at a simple piece of code: Copy codeThe Code is as follows: function HumanCloning (){ } HumanCloning. prototype = { Name: 'dummies' } Var clone01 = new HumanCloning (); Alert (clone01.name); // 'dummies' Alert (clone01 instanceof HumanCloning); // true HumanCloning. prototype = {}; Alert (clone01.name); // 'dummies' Alert (clone01 in

=" Wkiol1vh7ustxalmaahs6q3u0-c898.jpg "/>Asynchronous IO ModelThe process is not blocked when copying data, the model is as follows650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M01/6D/5A/wKiom1Vh7WeSrRjlAAGRb3RPtkY224.jpg "title=" Asynchronousio.jpg "alt=" Wkiom1vh7wesrrjlaagrb3rptky224.jpg "/>Comparison of 5 IO models650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M02/6D/56/wKioL1Vh7wDSCcnCAAJBCklbZek834.jpg "title=" io.jpg "alt=" Wkiol1vh7wdsccncaajbcklbzek834.jpg "/>If this mo

Producer and consumer application cases Multithreading in the development of a classic case, is the producer-consumers, producers continue to produce products, consumers continue to take away products.For example: There is a chef and a waiter in the restaurant, the waiter must wait for the cook to prepare the meal. When the chef is ready, he notifies the waiter,

selectionkey.op_accept event to monitor Different types of requests that the client sends over. Then the listen is invoked to monitor the client, and a poll is conducted to listen for selector whether there are any events that need to be handled, If it does, it is processed. There are two main types of requests that are being monitored: (1) Connection request: Client connection request to server (2) Data reading: The client sends the information to the server, and the server accepts and resol

requests the work agent.For example, a proxy pool is a restaurant, usually more than a waiter in a restaurant. At first, there was no customer (equivalent to an external application). There are some waiters on duty waiting in the restaurant (equivalent to the idle agent Num_initagents created in the agent pool when the instance starts). Once the application request (customer), the scheduler (equivalent to the foreman) to arrange for the

') Lock_type,DECODE (request,0, ' NONE ', 1, ' NULL ', 2, ' Row SHARE ', 3, ' Row EXCLUSIVE ', 4, ' SHARE ', 5, ' SHARE ROW EXCLUSIVE ', 6 , ' EXCLUSIVE ', ' HAHA ') lock_request,Ctime,block from V$lock WHERE TYPE in (' TM ', ' TX ') ';OPEN Cur_lock for V_sql;LOOPFETCH Cur_lock into Records_lock;EXIT when Cur_lock%notfound;IF Records_lock. V_request Dbms_output. Put_Line (' Waiting sid: ' | | Records_lock. v_sid| | ' is request a lock, Lock_mode ' | | Records_lock. v_request| | ' and being lock

I have not found the original author of an old article that is fluent and widely written on the Internet. Currently, the earliest reposted time is January 1, February 28, 2005. The author explained 23 modes in a simple language and image, which has a great inspiration. Creation Mode 1. Factory-try to catch up with mm. The chicken wings of McDonald's and the chicken wings of KFC are what mm loves. Although the taste is different, whether you take mm to McDonald's or KFC, just say "four chicken wi

method is to combine various methods (including methods other than the aforementioned methods) to solve some problems. Where can I go for an interview example at USD? Three friends stayed in a hotel. At checkout, the total bill is USD. Each of the three friends shared $ and handed over the $ to the waiter, entrusting him to pay the account on behalf of the master station. However, at the time of settlement, the hotel offered a preferential price. The

1. A rural farmer has never been far away. After saving for half a lifetime of money, I finally joined a tour group outside China. Everything in foreign countries is very fresh. The key is that ATU participates in a luxury group. A person lives in a standard room, which makes him novel. In the morning, the waiter knocked at the door and said, "Goodmorning sir !" He stopped. What does this mean? In my hometown, strangers may ask, "What is your surname

There are too many design patterns in the garden. Recently I have also learned the design patterns and sorted out some codes I have practiced and wrote them. net Design Pattern learning notes to give yourself a deeper understanding of the design pattern. I remember when Jin Yong's novels taught me how to make a jump, he said that the general outline of the solitary nine swords is no trick to win, but in fact there is also such a general outline in the design model, that is? Identify the aspects

Take the big bird as an example to go to the barbecue shop and report the food to the waiter. Then the waiter notifies the cook. Package COM. WZS. design; import Java. text. simpledateformat; import Java. util. arraylist; import Java. util. date; import Java. util. list;/*** big talk design mode -- page238 command mode ** @ author administrator **/public class commandmode {public static void main (string [

the cup low.Rule 18: Peanuts are good for drinking people. Keep a clear mind. It is essential to have a cup of yogurt, a cup of hot water, and a hot towel. If you cannot drink 1. Do not take the initiative to launch a defensive strategy;2. put two big cups in front of the table, one liquor, one mineral water, a few drinks, and others on the wine table, you can take the initiative to attack on behalf of the wine;3. After cheers, do not swallow it immediately. Find a chance to wipe your mouth wit

Three friends stayed in a hotel. At checkout, the total bill is USD 3000. Each of the three friends shared $1000 and handed over the $3000 to the waiter, entrusting him to pay the account on behalf of the master station. However, when paying the account, the hotel offered a preferential price, the total station is refunded to the waiter for $500, and the actual receipt is $2500. The

; Public waitperson (restaurant R ){Restaurant = r ; Start () ; }Public void run (){While (true ){While (restaurant. Order = NULL ){Synchronized (this ){Try {Wait () ; } Catch (interruptedexception e ){E. printstacktrace () ; }}System. Out. println ("the waiter got the order:" + restaurant. Order) ; Restaurant. Order = NULL ; }}}}Class Chef extends thread {Private Restaurant; Private waitperson ; Public chef (restaurant R, waitperson W ){Rest

fat meat and starch foods at the bottom of the seat, and it is hard to get drunk when drinking; 5. Grasp the rhythm and do not drink too much at once; 6. Do not mix several kinds of wine, which is especially easy to get drunk; 7. Do not turn the disc in the middle of the wine table when leading the food folder; 8. When you get drunk for six minutes, drink the vinegar in front of your dish and then add the waiter; 9. When each cheers is full, pretend

Annoying Design Patterns Recently, I was asked questions about the design pattern during interviews. As a practical school, I have never understood how important the design model is as a functional implementer. Of course, I do not mean that the design model is useless or should not be understood, but it is a matter of degree. Simple models, common models, understanding and use are inevitable, however, other models, deeper things, may be left for architects to better understand. After all, progra

when drinking; 5. Grasp the rhythm and do not drink too much at once; 6. Do not mix several kinds of wine, which is especially easy to get drunk; 7. Do not turn the disc in the middle of the wine table when leading the food folder; 8. When you get drunk for six minutes, drink the vinegar in front of your dish and then add the waiter; 9. When each cheers is full, pretend not to hold the wine before drinking, and try to scatter it out, so that

Source: http://www.cnblogs.com/aspnethot/articles/2523797.html I have not found the original author of an old article that is fluent and widely written on the Internet. Currently, the earliest reposted time is January 1, February 28, 2005. The author explained 23 modes in a simple language and image, which has a great inspiration. Creation Mode 1. FACTORY-try to catch up with MM. The chicken wings of McDonald's and the chicken wings of KFC are what MM loves. Although the taste is different, w

Appearance mode is a very high-frequency structural design pattern, which simplifies the interaction between the client and subsystem by introducing a visual role, provides a unified portal for complex subsystem calls, reduces the coupling between subsystems and clients, and facilitates client invocation.1. Overview of the Appearance modeDo not know if you have compared their own tea and tea to teahouse the difference, if it is their own tea needs to prepare tea, tea and boiling water, 1 (A), an