Advertisements I am writing a Python module which removes the background from animated GIF images. My problem function takes a directory path string and a URL string as input. The function uses an IF statement to pick either the URL or the path, based on if the URL is empty ("") or not. Pseudo-code is… Read More "UnboundLocalError: …" after creating objects within nested control blocks
Advertisements I need to write a method that needs to output a certain string an amount of times that equals to a variable in the main class. I wrote it with the for loop but it isn’t outputting anything nor is it showing any errors. (method must contain local variable) `public class main { public… Read More My method isn't working although no error messages are shown
Advertisements I am using a recursive function implemented in a python class. Am I right that the local variable (passed through the methods attributes) isn’t changing through a recursive change? I have the following tree: example tree My current method is the following: def readSequence(self, linkTable, partTable, seq, element): #clearFlags returns an array of objects… Read More Changing local variable using recursion
Advertisements I was taught that variables within scope are destroyed (freed/de-allocated?) at the instruction generated by the "}" at the end of a scope body. I was about to teach someone the same thing, but I decided to see for myself, what will happen if I change a local variable through a pointer like this:… Read More Accessing a scope-local variable through reference
Advertisements I want to use ‘number’ variable that was created out of the function and use it in couple functions and also give it an initial value 0, but it gives "local variable ‘number’ referenced before assignment" error at the last line of code.How could I fix it?Thanks in advance. lst_img=[img0,img1,img2,img3,img4] number=0 def go_forward(): global… Read More using same variable that is created in function into another function
Advertisements here’s what I can’t understand. I have this function here function foo(){ let a = {a:1}; window.a = a; } as you can see, this assign to a an object, so a reference to it, and then it creates a new property on the window object that contains this reference. If the a variable… Read More Assigning local reference to global