Singleton mode refers to a class, with only one instance. The idea of implementation is to add judgment when creating an instance, and if there are instances then return if there is no new one and return. First step: Create a class.function Waiter (ID, name, salary) { //created a waiter class Employees.call ( This, ID, name, salary)//Here waiter inherited the Employees,employees is a parent class, can also not} Waiter.prototype=object.create (Employees.prototype); Waiter.prototype.constructor=Wa
. // Translator's note. If you do not understand this sentence, you can refer to question 2 in my other article: article link.Another example: Restaurant and kitchen
The web server and restaurant model are very similar. Many guests order meals and the kitchen will satisfy their requirements as quickly as possible.
Our kitchen has many chefs, each of which represents a thread. They cook according to the user's order, but during the entire preparation process, each
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 you can drink less each time;10. put half a cup of tea in front of you before drinking. Do not swallow the wine
use insertmenu or appendmenuAdd a menu item;
Use trackpopupmenu to display the food list at the specified position and send the ID of the selected food list;
Use destroymenu to destroy food tickets and release the asset source.---- Although this method can be used to create a food order dynamically, it canThe menu items added to the State dish list are restricted to a restricted range, andThe ID of the program must be determined during programming. T
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Meal card
Time Limit: 5000/1000 MS (Java/others) memory limit: 32768/32768 K (Java/Others)
Total submission (s): 112 accepted submission (s): 50
Problem descriptionThe dining card in the canteen of the E-Science and Technology Department has a very strange design, that is, the balance is determined before the purchase. If the remaining amount on the card is greater than or equal to 5 yuan before purchasing a pro
Recently, I am busy with some web-related things, namely, HTML + CSS + JavaScript applications.
I think these little things are very interesting. I can exercise my hands-on skills and consolidate my knowledge.
It is a pity to leave it on the hard disk. Therefore, share it with you and give it a reference to the children's shoes you need.
In fact, the level of food is still very good, and these things are not practical at all, because I tried to be compatible only with Firefox and Google, a
juice papaya juiceV-8 canned juiceFresh garrot juice fresh carrot juiceMixed vegetable juice assorted vegetable juiceCanned juicePeaches in syrup peach juiceExtract cots in syrup honey ApricotFigs in syrup honey figPears in syrup honey pearsLoquats in syrup Honey juiceChilled fruit cup assorted fruitStewed dried fruitStewed figsStewed prunes stew PlumStewed peachesStewed stew cots stew apricot stem
2. CerealsCereals such as corn and oatmeal, such as corn flakes, rice cristipes, Rye cristies, pu
Link: http://acm.hdu.edu.cn/showproblem.php? PID = 2546 http://acm.hust.edu.cn/vjudge/contest/view.action? Cid = 29096 # Problem/C meal card
Time Limit: 5000/1000 MS (Java/others) memory limit: 32768/32768 K (Java/Others)Total submission (s): 7371 accepted submission (s): 2514Problem description the dining card of the E-Science and Technology Department's canteen has a very strange design, that is, to determine the balance before purchasing. If the remaining amount on the card is greater than or
Why can't I close json data? _ (: invalid "response) _ http: // 202.103.244.125/catst. php
As mentioned above, PHP is so anxious! Json_decode always comes out of null !!! I have tried all the methods on the internet. please help me.
Reply to discussion (solution)
I don't believe you have tried it.
$url = 'http://202.103.244.125/catst.php';$s = file_get_contents($url);print_r(json_decode(substr($s, 3)));
Array ([0] => stdClass Object ([menutype] => A [groupx] => 0 [titleng] =>
Title DescriptionXX Hotel's boss wants to become the king of the hotel, in this hope, the first step to the hotel become humane. Since a lot of visitors to stay have their favorite room tones, sunshine, etc., but also have their own favorite dishes, but the hotel only p room, a day only fixed Q-channel different dishes.A day came to n guests, each guest said he likes what room, like which dish. Unfortunately, it may not be possible to make all the cus
§ 6 parabolic
Example: The surface is rotated by a parabolic line around the axis.
This surface is calledRotating parabolicTo promote the surface:
IElliptical parabolic:
1,Definition: In a Cartesian system, the image represented by the equation (a, B> 0) (1) is calledElliptical parabolic(1) A standard equation called an elliptical parabolic dish.
Note: In the right angle system, the equation or the image is also an elliptical parabolic.
2,Properties
A few colleagues have dinner, and each person makes a pick-up dish!
Because of the temporary call, no one had to bring a digital camera, so I had to use a cell phone to take a photo. Haha (0.3 million theme, let's take a look, it's important to remember ).
**************************************** ********Menu:
Cool chicken wings (Red Star) This red star is the host, this dish is slippery and tender, bett
. If you make your own products online without passing good tests, it will offend users and lose potential consumers. If it is outsourcing, the customer will first doubt their own strength, and then be more picky. The customer will try to modify some things that do not need to be modified, once the customer starts to be picky, it will become more picky, become skeptical about everything, but waste more energy and time. In this case, if there is an extension, we need to communicate well with the
object-oriented method is a rice bowl. The so-called "Rice Bowl" is called "Rice Bowl bowl" in Beijing, "Rice Bowl" in Northeast China ", and" dish bowl "in Guangdong. A bowl of white rice is filled with a dish. If you like a dish, you can add it to it. I think this metaphor is more appropriate.I am not very clear about the details of fried rice with eggs, becau
(and he has no long-term plans in the industry anyway) exceeded the price. Third place: Technical Expert The user's needs need to be achieved through technical means, just like how many dishes are offered, 20 yuan for you, how you do it, what kind of architecture you use, and what kind of architecture you make, without technology, you cannot cook this dish, or even be technically good. You can spend less money than others and do better than others.
"Laruence, let's continue to discuss it !" It's frustrating to say that.
"It's normal, young man, not to repair the radio. It's no big deal. You don't have to lose your face. As if a man is in love, he must learn to say "no '." The Big Bird comforted and said, "If your goal is to become an electrical repair expert, you will not be able to repair the radio. It is very depressing. But what is your current goal ?"
"I want to be a software architect and programming expert ." The
data and functions in a single unit (called a class) is called encapsulation. Data cannot be accessed by external users, but can only be accessed by functions encapsulated in the same class. These functions provide interfaces between object data and programs.
Simply put, an object is a logical entity that encapsulates the data and the code that operates the data.
The program written in the process-oriented method is an egg fried rice, while the program written in the object-oriented method is
Title DescriptionDr. Hanks is a leading expert in the field of BT (Bio-tech, Biotechnology). Now he's working on a cell for a realPreparation: culturing cell samples.Dr. Hanks now has N species of cells, numbered from 1~n, and an I cell can be split for 1 secondsSi homogeneous cells (si is a positive integer). Now he needs to pick one of the cells and put it in a petri dish and let it split,to develop. After a period of time, all the cells in the petr
Title DescriptionDescriptionDr. Hanks is a leading expert in the field of BT (Bio-tech, Biotechnology). Now he is preparing for a cell experiment: culturing cell samples.Dr. Hanks now has N species of cells, numbered from 1~n, and an I cell can be split into Si cells after 1 seconds (SI is a positive integer). Now he needs to pick one of the cells and put it in a petri dish and let it split up and grow. After a period of time, all the cells in the pet
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