lightspeed restaurant

In traditional socket IO, you need to create a thread for each connection, and when the number of concurrent connections is huge, the overhead of the stack memory and CPU thread switching that the thread consumes will be huge. With NIO, you no longer need to create a separate thread for each thread, you can use a thread pool with a limited number of threads, or even a thread for any number of connection services. Because the number of threads is less than the number of connections, each thread d

, whether the user can perceive A very simple example, the same two people to sell mobile phones, a mobile phone selling point is to prevent radiation, and another mobile phone selling point is running fast. We all know the harm of radiation to the human body, but in fact, after Sales of mobile phones are good, but the former sales are meagre. Why is it important that people's concept of health is less than the speed of a mobile phone? Of course not. Mainly the concept of radiation protection

Haha, it's still ECshop, Daxia. I have an idea now. I use ecshop to make a school ordering network. ecshop sells mobile phones by default. now I delete all the mobile phone products in it, put on the food, and then the function is very simple, so that students can order food, place orders, and then the restaurant is responsible for delivery to the dormitory, haha, serving students (you may also make a small profit), Hey, okay, enter the topic: in the

If you're thinking of eating KFC, like hamburgers or french fries, there's no need to "rush" the center of the runway. Wxine allows you to place your order with the help of your smartphone app. The fast-food chain is testing a mobile-based order system at its regional storefront, which is planned to expand nationwide before the end of the year.The application can handle the tasks you expect. For example, it can display the full menu, with each item listing all the choices. Before you go to a

Algorithm Implementation Question 8-10 napkin plan question (Exercise 8-21)? Problem description:In the successive n days of a restaurant, the number of napkins required each day varies. Assume that RI napkin (I = 1,2 ,..., N ). You can purchase a new napkin at a restaurant. The cost of each napkin is P. Or, you can send the old napkin to the wash area,It takes M days to wash a piece, and the cost is f poin

Come to Les again todayDeuxAlpes skiing, the Alps in the sun are exceptionally spectacular, and the surrounding areas are mostly snow-capped mountains, and one of them looks more like a huge glacier. Good weather made us very excited, and we couldn't wait to change into a sleep without the last fear. However, we fell a few times to find out what we felt last time. In the afternoon, we were no longer afraid to go to the top of the greenways where we were located. Sometimes, the big "S" Model slow

butter and blood, if the temperature is slightly lower, the fresh flavor of the steak will decrease. It is a common practice to cut a steak into small pieces and chew a few times before swallowing. The difference between beef stew and fried steak in western food is not the taste of the slice. In addition, tableware also affects the taste of steak. The steak knife must be sharp. Sometimes, your doubts about the meat are caused by the fact that the knife is not sharp enough. Therefore, before eat

Every day to make a fresh and good-looking story, clearly speaking of a restaurant, but also to avoid the "taste" problem--childchild is a famous university communication Department of senior students, she once in a professional network PR company to do part-time, "in fact, is childcare." Like most of the domestic network PR companies, Childchild Part-time company has no more than 10 formal employees. Buy a few computers, rent an office, then, they h

satisfied, then you must use Notifyall () instead of notify ().using Wait () and Notifyall () to implement producer consumer issues when using Wait () and Notifyall (), it is important to note that there is no two-tiered nesting of synchronized, and if two layers are used, the sycnhronized plus lock on the outer layer cannot be freed. It is also important to note that lock cannot be used to restrict access to resources because the lock cannot be freed when wait. It is still difficult to achieve

wants to transact the procedure the depressed person! In real life we may be able to quickly think of finding a person acting on everything to solve your problem (you just have to maintain a simple interface with him!). In software system design and development, we can solve the problem by a pattern called façade. We solve the above problem through the appearance pattern, its typical structure diagram is: The idea, idea and realization of the appearance pattern are very simple, but the thou

Http://www.cnblogs.com/LBSer/p/3310455.html analysis of core principles of Geohash Http://www.cnblogs.com/LBSer/p/3310455.html Introduction Machine is a good move and studious child, usually like to take the mobile phone map Click Click to check some fun things. One day the machine to the Beihai Park, Belly hungry, and then opened the mobile phone map, search the restaurant near Beihai Parks, and chose one of the meals. After the meal machine began

Original question: The Fastfood chain Mcburger owns several restaurants along a highway. Recently, they has decided to build several depots along the highway, each one located at a restaurent and supplying Seve Ral of the restaurants with the needed ingredients. Naturally, these depots should be placed so, the average distance between a restaurant and its assigned depot is Minim Ized. You is to write a program that computes the optimal positions and a

mode, the application does not need to perform the actual read/write process. It only needs to read or write from the buffer, and the operating system reads the buffer or writes the buffer to the real IO device. To sum up, synchronous and asynchronous is relative to the application and the core of the interaction, synchronization needs to proactively ask, and asynchronous when the kernel at the time of the Io event to notify the application, and blocking and non-blocking is only the system call

On this day, there were two guests in the Baiyun restaurant, a man and a daughter, dressed well at the age of 40. The man was carrying a travel bag, and it looks like a couple who came out to travel. The waiter gave the menu a smile. the man handed over the menu and said, "click it. What do you want to eat. "The female couldn't even take a look. She looked up and said to the waiter," Just give us a bowl of wonton! " Where can I go to the Baiyun

If you want to have a kung pao chicken rice: Synchronous congestion: you order food at the restaurant, and then wait there, and you have to shout: Okay! Synchronous non-blocking: after ordering at the restaurant, you can walk the dog. But after a while, I went back to the restaurant and shouted: Okay! Asynchronous blocking: when walking the dog, you receive a cal

Link: http://acm.hdu.edu.cn/showproblem.php? PID = 1, 4883Tiankeng's Restaurant Time Limit: 2000/1000 MS (Java/others) memory limit: 131072/65536 K (Java/Others)Total submission (s): 566 accepted submission (s): 267Problem descriptiontiankeng manages a restaurant after graduating from zcmu, and tens of thousands of MERs come to have meal because of its delicious dishes. today N groups of MERs come to enjoy

Yesterday, Li Qianli long searched for his "kiss", and showed a group photo with Kang Mingde 19 years ago. Photo by Liu Junhui "For 19 years, I have been thinking about how to find my brother Kang. When I thanked him and gave him the 600 yuan he lent me 19 years ago ." Yesterday, a strange man came to the West Lake community in Hunan Lake District, Furong district. As soon as he entered the door, he asked the Community staff about the whereabouts of German people Kang Mingde. Eager to search for

Food delivery Time limit:2000 msMemory limit:65536kb64bit Io format:% LLD % LlU Description When we are focusing on solving problems, we usually prefer to stay in front of computers rather than go out for lunch. At this time, we may call for food delivery. Suppose there areNPeople living in a straight street that is just lies on an X-coordinate axis.ITh person's coordinate isXIMeters. And in the street there is a take-out restaurant which has coordi

http://my.oschina.net/u/1010990/blog/192558In traditional socket IO, you need to create a thread for each connection, and when the number of concurrent connections is huge, the overhead of the stack memory and CPU thread switching that the thread consumes will be huge. With NIO, you no longer need to create a separate thread for each thread, you can use a thread pool with a limited number of threads, or even a thread for any number of connection services. Because the number of threads is less th

Original address: http://blog.csdn.net/zhouhl_cn/article/details/6568119In traditional socket IO, you need to create a thread for each connection, and when the number of concurrent connections is huge, the overhead of the stack memory and CPU thread switching that the thread consumes will be huge. With NIO, you no longer need to create a separate thread for each thread, you can use a thread pool with a limited number of threads, or even a thread for any number of connection services. Because the