Programmierung

Aus Wiki_2020

Git / Github

Python

Codeexamples

#An example of a class
class Shape:
   def __init__(self, x, y):
       self.x = x
       self.y = y
       self.description = "This shape has not been described yet"
       self.author = "Nobody has claimed to make this shape yet"
   def area(self):
       return self.x * self.y
   def perimeter(self):
       return 2 * self.x + 2 * self.y
   def describe(self, text):
       self.description = text
   def authorName(self, text):
       self.author = text
   def scaleSize(self, scale):
       self.x = self.x * scale
       self.y = self.y * scale
#create 3 objekts of shape        
    rectangle = Shape(100, 45)  
    long_rectangle = Shape(120,10)
    fat_rectangle = Shape(130,120)
#finding the area of your rectangle:
    print(rectangle.area())
#finding the perimeter of your rectangle:
    print(rectangle.perimeter())
#describing the rectangle
    rectangle.describe("A wide rectangle, more than twice\
    as wide as it is tall")
#making the rectangle 50% smaller
    rectangle.scaleSize(0.5)
#re-printing the new area of the rectangle
    print(rectangle.area())

tkinter

Diverse

C

MYSQL

Escape 
Sequence    Character Represented by Sequence
  \0         An ASCII NUL (0x00) character.
  \'         A single quote (“'”) character.
  \"         A double quote (“"”) character.
  \b         A backspace character.
  \n         A newline (linefeed) character.
  \r         A carriage return character.
  \t         A tab character.
  \Z         ASCII 26 (Control+Z).
  \\         A backslash (“\”) character.
  \%         A “%” character. 
  \_         A “_” character.
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