global-variables

问题 I am a young programmer that is learning python and struggling to implement an AI (using minimax) to play TicTacToe. I started watching a tutorial online, but the tutorial was on JavaScript and thus couldn't solve my problem. I also had a look at this question ( Python minimax for tictactoe ), but it did not have any answers and the implementation was considerably different from mine. EDIT: the code you will find below is an edit suggested by one of the answers (@water_ghosts). EDIT #2: I

问题 After reading several answers on here, I finally figured out why my .csv file wasn't loading in through the command prompt. I had to enable load data local infile. Once I did that, I read the global variables and they were on. I was able to load the data then. However, after closing the command prompt, I reopened it and while the variable was still reading as ON, it wouldn't allow me to import another .csv file. Do i need to turn local infile off and back on for it to work again EDIT: this is

问题 I am trying to edit the global variables cows and bulls inside a loop but getting this error "SyntaxError: name 'cows' is assigned to before global declaration" import random random_no = random.sample(range(0, 10), 4) cows = 0 bulls = 0 #random_num = ','.join(map(str, random_no)) print(random_no) user_input = input("Guess the no: ") for index, num in enumerate(random_no): global cows, bulls print(index, num) if user_input[index] == num: cows += 1 elif user_input[index] in random_no: bulls +=

问题 I am trying to edit the global variables cows and bulls inside a loop but getting this error "SyntaxError: name 'cows' is assigned to before global declaration" import random random_no = random.sample(range(0, 10), 4) cows = 0 bulls = 0 #random_num = ','.join(map(str, random_no)) print(random_no) user_input = input("Guess the no: ") for index, num in enumerate(random_no): global cows, bulls print(index, num) if user_input[index] == num: cows += 1 elif user_input[index] in random_no: bulls +=

问题 I need to change global variable S at a.py from b.py , but it is used as a default value in a function at a.py . a.py S = "string" def f(s=S): print(s) print(S) b.py import a def main(): a.S = "another string" a.f() if __name__ == "__main__": main() python b.py outputs string another string instead of expected another string another string If I call a.f in b.py like this a.f(a.S) this works as expected, but is there any way to change default variable value? 回答1: The short answer is: You can't

问题 I need to change global variable S at a.py from b.py , but it is used as a default value in a function at a.py . a.py S = "string" def f(s=S): print(s) print(S) b.py import a def main(): a.S = "another string" a.f() if __name__ == "__main__": main() python b.py outputs string another string instead of expected another string another string If I call a.f in b.py like this a.f(a.S) this works as expected, but is there any way to change default variable value? 回答1: The short answer is: You can't

问题 This question already has answers here : How do I create a global, mutable singleton? (2 answers) How can you make a safe static singleton in Rust? (2 answers) Closed 4 days ago . I'm trying to port a Go language chess engine ( https://github.com/easychessanimations/gobbit ) to Rust ( https://github.com/easychessanimations/rustengine ). Problem with Go is that it produces a WASM executable which is bloated in size because it contains the whole Go runtime ( > 2 MB ). Also the native executable

问题 This question already has answers here : How do I create a global, mutable singleton? (2 answers) How can you make a safe static singleton in Rust? (2 answers) Closed 4 days ago . I'm trying to port a Go language chess engine ( https://github.com/easychessanimations/gobbit ) to Rust ( https://github.com/easychessanimations/rustengine ). Problem with Go is that it produces a WASM executable which is bloated in size because it contains the whole Go runtime ( > 2 MB ). Also the native executable

问题 In my code (game engine code) there are multiple source (.c) files which maintain the status of the game, status like START CONFIGURE STOP END DEFAULT RUNNING for maintaining state, one global variable gameStatus used which shared between multiple source files using extern keyword. now I have read that the global variable is bad to use and it allows the outside module to change it and as the number of components using global variable increases, the complexity of the interactions can also

问题 I'm building a site on the new Razor engine that comes with MVC 3 (and loving the new syntax!). However, I am at a loss about using public properties / constants with it. I know that with WebForms we could add a public property in code behind: public string ImageFolder { get; set; } I would like to define important variables in one global place that my views can access, starting with paths to CSS files and images: @{ Layout = "~/Views/Shared/_Layout.cshtml"; var ContentFolder = "~/Content";