, options, projects and solutions, will always show the solution on the hook.
At this point, the basic configuration is complete, and these configurations help us to better write the code.Register your product for freeIf you are careful, you may find that the software will show a 29-day trial period without worrying about it. Click on the menu bar "Help" "Register the Product", click the online Access registration key can be completely free of charge. But recently, unable to register, I wil
At the beginning of this book, the author tells us about the story he encounters at work, the development of a project, the difference between the time originally set and the time it was finally completed. The originally specified goal is not the same as the final completion. Now I have not done the project, but by writing the program can be realized, every time to get the experiment (here is for the simple experiment), thought in a few hours can be done, may be used for more than
1. It takes an hour to burn an uneven rope from the beginning to the end. Now there are several ropes of the same material. How can I use the burning method to time the rope for an hour and 15 minutes?
2. You have a bucket of jelly, including yellow, green, and Red. Close your eyes and capture two of the same colors. You can determine if you have two joos of the same color after capturing them?
3. if you have an infinite amount of water, a 3-lit
time,mtime of a file is changed when the file is written with changes to the contents of the file. The file's Create Time,ctime is changed as the content of the Inode changes when writing to a file, changing owner, permission, or link settings. As a result, changing the contents of a file changes mtime and CTime, but the CTime of the file may change when the mtime has not changed, for example, by changing the permissions of the file, but the contents of the file do not change. How to get a file
Browse Classes :LS//Browse the contents of the current directory (files and directories)LS-L//Long format Browse the contents of the current directory (files and directories), similar to the Windows detailed information listls-d//Browse current directory (name)LS-LD//Long format browse current directory informationPath class :CD//Return to User home directory ~ (non-root directory), or: cd ~CD [DirName]//switch to the specified directorymkdir//Create a directoryRmDir//Delete empty directoryFile
return value of input is a string, and if you want to convert to XXX, use INT (input_returned_value)
Naming rules
Letters, numbers and underscores;
The first letter cannot be a number
Hump named, such as Username = "Xiaolongtu
Operator Precedence
Logical operators
Conditional judgmentIf condition:Logic Code 1Elif Conditions:Logic Code 2ElseLogic Code 3Note: Multiple lines of code in the logic code are indented to determine whether the
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