.
Ii. ModelHere I use a simple food directory as our sample data.The data structure is as follows:
Copy codeThe Code is as follows: Food
| --- Fruit
| --- Red
| -- Cherry
| + --- Yellow
| + -- Banana
+ --- Meat| -- Beef+ -- Pork
To take care of PHP fans who are confused about EnglishCopy codeThe Code is as follows: FoodFruit: FruitRed: RedCherry: CherryYellow: YellowBanana: bananasMeat: MeatBeef: BeefPork: Pork
71 cooking skills
1. Remove the spiced mutton: Put the radish and mutton together in a pot, take out the radish after half an hour; put a few pieces of Orange Peel better; put 5 grams of green beans per kilogram of mutton, boil for 10 minutes, water and mung bean
From the top to the bottom; put half a bag of Hawthorn slices; wash and punch two or three shelled walnuts into them; 1 kg of mutton with 10 grams of curry powder; 1 kg of mutton with 200 grams of sugar cane; 1 kg of water boil, add
1. Remove the spiced mutton: Put the radish and mutton together in a pot, take out the radish after half an hour; put a few pieces of Orange Peel better; put 5 grams of green beans per kilogram of mutton, boil for 10 minutes, pour out the water and mung bean together, put half a bag of Hawthorn slices, wash and punch two or three shelled walnuts into them, 1 kg of mutton and 10 grams of curry powder; 1 kg of mutton and 200 grams of sugar cane; boil 1 kg of water, add 1 kg of mutton, 50 grams of
the transaction is that the transaction can not be rolled back and only rolled back here, guaranteeing that the transaction is not error-prone.
Above is the heart, the following for you to a moves, to see carefully.1---Turn on transaction 2 BEGIN TRAN 3-error catch mechanism, watch it, there are some. and can be nested. 4 begin try 5 --statement correct 6 insert into Lives (EAT,PLAY,NUMB) VALUES (' pork ', ' soccer ', 1) 7 --numb to i
save point inside the transaction is that the transaction can not be rolled back and only rolled back here, guaranteeing that the transaction is not error-prone.
Above is the heart, the following for you to a moves, to see carefully. 1---Turn on transaction 2 BEGIN TRAN 3-error catch mechanism, watch it, there are some.
and can be nested. 4 begin try 5--statement correct 6 insert INTO lives (EAT,PLAY,NUMB) VALUES (' pork ', ' soccer ', 1) 7
million basic words to be remembered. All these single words can be expressed in four thousand Chinese characters. The root cause is that English pronunciation is not adequate.For example, pork represents pork in English. It has nothing to do with pig and meat, but only represents a combination of them, if you compare the pork, mutton, Beef beef, lard, goat oil
To detect any object in an image, you must obtain something to separate the sum of other objects. This kind of thing is called feature in image processing. I think we should consider the feature type. For example, the color, gray value, texture, and contour are actually feature vectors at the image processing level, that is, the mathematical expression of these features, such as texture, it can be expressed by distance. Since features can distinguish objects from other things, using Adaboost is
.
5. When cooking broth or pork ribs soup, add a few fresh orange skins, which not only tastes delicious, but also reduces the greasy feeling.
6. cooking bacon: It can be boiled with more than a dozen walnuts with many small holes to eliminate the odor.
7. Stir-fry the mung bean in the iron pan for 10 minutes and then cook it quickly.
8. When cooking eggs, add some vinegar in the water to prevent egg cracking. You can also add some salt in adv
weakness began at that time. Finally, when talking about the niandte people, people also found that people who use a small number of voices would be eliminated from history.The reason why I believe that Chinese must beat English is not here, the key is to solve the knowledge explosion problem that humans are currently facing. We know that the current English words, including various biological names and new terms for patent inventions, have exceeded millions. Considering that English has some c
the soup.4. When cooking beef and other tough, hard meat and wild poultry, add some vinegar to soften it.5. When cooking broth or pork ribs soup, add a few fresh orange skins, which not only tastes delicious, but also reduces the greasy feeling.6. cooking bacon: It can be boiled with more than a dozen walnuts with many small holes to eliminate the odor.7. Stir-fry the mung bean in the iron pan for 10 minutes and then cook it quickly.8. When cooking e
dynasty, the Voice of China has lost an "Incoming" sound, and China's weakness began at that time. Finally, when talking about the niandte people, people also found that people who use a small number of voices would be eliminated from history.
The reason why I believe that Chinese must beat English is not here, the key is to solve the knowledge explosion problem that humans are currently facing. We know that the current English words, including various biological names and new terms for paten
example, pork represents pork in English. It has nothing to do with pig and meat, but only represents a combination of them, if you compare the pork, mutton, Beef beef, lard, goat oil suet and butter talon, all the consortium Words in English are a new sign that has no association with any of them, but they constitute the subject of English words. This is how mi
. Therefore, these two names are literally translated by myself. if they are wrong, please give me more advice. These two things seem very scary and easy to understand.
II. modelHere I use a simple food directory as our sample data.The data structure is as follows:
The code is as follows:
Food| --- Fruit| --- Red| -- Cherry| + --- Yellow| + -- Banana+ --- Meat| -- Beef+ -- Pork
To take care of PHP fans who are confused about English
The code is as
| | || | |--Cherry| || +---Yellow| || +--Banana|+---Meat |--Beef +--Pork
In order to take care of those English mess PHP enthusiasts
Food : 食物Fruit : 水果Red : 红色Cherry: 樱桃Yellow: 黄色Banana: 香蕉Meat : 肉类Beef : 牛肉Pork : 猪肉
Third, the realization
1. Adjacent directory mode (adjacency list model)
This pattern we often use, a lot of tutorials and books are also in
about themselves. Zhang Andi Walking in the moat, looking at the slowly flowing river, feel some empty heart, and then made a decision. She was a little excited, because she was determined to take up her own fate, some disturbed, because do not know whether it is really can be taken up. Life suddenly becomes tense and heavy up. Read newspapers, find jobs, and interview. The neighbour introduced a job in a hamburger shop. Because German is not good enough to counter, only in the kitchen to help.
rollback to a savepoint inside the transaction.
Save Transaction: The save point inside the transaction is that the transaction can not be rolled back and only rolled back here, guaranteeing that the transaction is not error-prone.
Above is the heart, the following for you to a moves, to see carefully. 1---Turn on transaction 2 BEGIN TRAN 3-error catch mechanism, watch it, there are some.
and can be nested. 4 begin try 5--statement correct 6 insert INTO lives (EAT,PLAY,NUMB) VALUE
through the target interface, which is used by the adapter to translate the request into one or more of the calling interfaces of the appropriate agent; The client receives the result of the call, but does not realize that all of this is the adapter in effect.Iii. Description of the exampleSuppose the following scenario, go to the restaurant to eat, ordered a steak, found on is a fried pork chop, the restaurant unexpectedly with
translation work. Next, I will discuss what I have seen and some practical experiences with you.
There are basically two common design methods for storing hierarchical data in a flat database:
Adjacency list model)Pre-sorted traversal tree algorithm (modified preorder tree traversal algorithm)I am not a computer professional and have never learned anything about data structures. Therefore, these two names are literally translated by myself. if they are wrong, please give me more advice.
These t
understand. Here I use a simple food directory as our sample data.
Our data structure is like this.
Below isCode:
Food||---Fruit||||---Red||||||--Cherry||||---Yellow||||--Banana||---Meat||--Beef||--Pork
To take care of PHP fans who are confused about EnglishFood: FoodFruit: FruitRED: redCherry: CherryYellow: YellowBanana: bananasMeat: MeatBeef: BeefPork: Pork
Adjacency list model)This mode is often used.Tu
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