pickaxe and shovel

One day when I got off work, I saw a truck carrying an excavator (crawler type and long arm type) on the road. I saw that the excavator was driving backwards, but there was no ladder in the truck, I am very skeptical that the excavator can be rushed down like this, so I stopped to see if the excavator driver had the guts. After reading it, I was shocked. Now I wrote down the whole process of his development, A wonderful skill. 1. When the crawler leaves the vehicle in half, it will stop (the "R

One day a farmer's donkey accidentally fell into a dry well, and the farmer racked his brains to find a way to rescue the donkey, But a few hours later, the donkey was still crying in the well. Finally, the farmer decided to give up. He thought the donkey was too old to save it, However, this well must be filled in. Then the farmer invited his neighbor to help bury the donkey in the well to avoid any pain. The farmer's neighbors had a shovel and be

When identity_insert is set to off, explicit values cannot be inserted into the 'products' column of the table ." Example: 1. Create a table with an ID column:Create Table products (ID int identity primary key, product varchar (40 )) 2. Try the following operations in the table:Insert into products (ID, product) values (3, 'garden shovel ') The result will cause an error: "When identity_insert is set to off, explicit values cannot be inserted

Plant selection: The choice of plants: Ice shooter, Sunflower (if there is a double sunflower is better), pea pods, steel thorns, high nuts, tomato bombs. The beginning of the game: the start with a very classic symmetrical array! Pea Pod is mainly upgrade cost-effective, late a top five! It's better than the little pea! The ground thorn can be in this closed and miraculous, back to elaborate! This is the boss checkpoint, boss skill is very important, we look at boss skills! 　　1, aiming at th

Use of SET Identity_insertSET Identity_insert [Database. [owner.] ] {table} {on | OFF}--powerful self-added bars can be inserted into the record.--database is the name of the data library.--owner is all the names of the tables.--table a unique field's table nameExamples:--Create Products table. Create a test tableCREATE TABLE products (id int IDENTITY PRIMARY KEY, product varchar (40))Go--inserting values into the Products table. Insert test data into the tableINSERT into Products (product) VALU

man, I still scream -- I "Ah !" Then I threw my shoes to the ground. Fortunately, I was the only person in the dormitory at the time. Otherwise, a lot of people may come and ask what is going on, but let me tell you what is going on-there is a giant shovel in the shoes, that guy is waiting for my feet to feed in my shoes. I had the courage to pick up my shoes and shoes a few times on the ground, but it was still stuck, so I increased my strength and

neighbours had a shovel and began to shovel the soil into the dry well. When the donkey learned of his situation, he began to cry miserably. But surprisingly, after a while the donkey calmed down. The farmer looked curiously at the bottom of the hole, and the sight appeared to surprise him:When the dirt from the shovel falls on the back of the donkey, the donkey

parts should be replaced.Six should not be full. When using a pressure cooker to put food raw materials, the capacity should not exceed 4/5 of the size of the pot. If it is beans and other foods that are easy to expand, it should not exceed 2/3 of the size of the pot.Avoid opening the website midway through. During the heating process, you must never open the lid in the middle, so that the food may be hot. Do not remove the heavy hammer or pressure regulating device before the end confirms cool

impact on the emergence of cooperative behavior; 2) in the context of evolutionary game dynamics and network structure, the change and emergence of cooperative behavior in college students ' community are studied. As a powerful means to research cooperative behavior, the commonly used evolutionary game model has the prisoner dilemma model, shovel snow model, public goods model and so on. Prisoner dilemma and