Programmierung: Unterschied zwischen den Versionen
Aus Wiki_2020
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# [https://www.logiqbit.com/arduino-pointers-how-to-use-pointers-in-your-sketches Arduino Pointers] | # [https://www.logiqbit.com/arduino-pointers-how-to-use-pointers-in-your-sketches Arduino Pointers] | ||
# [https://www.programiz.com/c-programming/c-pointers Pointers] | # [https://www.programiz.com/c-programming/c-pointers Pointers] | ||
#include <stdio.h> | |||
#include <stdlib.h> | |||
int main(void) { | |||
int x = 5; // Integervariable | |||
int *ptr ; // Pointer für Int variable | |||
ptr = &x; // auf Adresse von x referenzieren | |||
printf("x ist %d \n",x); | |||
printf("Die Adresse von x ist %p \n",ptr); | |||
printf("Der Wert x ist %d \n",*ptr); | |||
return EXIT_SUCCESS; | |||
} | |||
*'''Menu''' | *'''Menu''' | ||
# [https://www.mikrocontroller.net/topic/104156 Menue C] | # [https://www.mikrocontroller.net/topic/104156 Menue C] | ||
Version vom 1. März 2023, 21:04 Uhr
Git / Github
Python
- Online Python Tutor
- print() Formatierung
- notes and tips for updating from Python 2 to Python 3
- https://docs.python.org/3.1/library/index.html#library-index
- https://py-tutorial-de.readthedocs.io/de/latest/index.html
- https://www.w3schools.com/python/default.asp
- https://www.python-kurs.eu/python3_kurs.php
- Python3 Tutorial
- Pyton QT Raspberry
- SELF Explained
- Objekte & self
- https://en.wikibooks.org/wiki/A_Beginner's_Python_Tutorial
- https://pythonspot.com
- https://realpython.com/python3-object-oriented-programming/#what-is-object-oriented-programming-oop
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
- Grafik mit tkinter https://pythonbasics.org/tkinter/
- http://effbot.org/tkinterbook/tkinter-index.htm#class-reference
- https://tkdocs.com
- https://pythonbasics.org/tkinter_scale/
- Raspi GUI TKinter https://docs.python.org/3/library/tkinter.html#a-simple-hello-world-program
Diverse
- Online Progamming IDE verschiedenste Sprachen Java ,c c++ etc free
- Online-JAVA-Compiler free
- KISS_(Zufallszahlengenerator)
C
- Pointers
#include <stdio.h>
#include <stdlib.h>
int main(void) {
int x = 5; // Integervariable
int *ptr ; // Pointer für Int variable
ptr = &x; // auf Adresse von x referenzieren
printf("x ist %d \n",x);
printf("Die Adresse von x ist %p \n",ptr);
printf("Der Wert x ist %d \n",*ptr);
return EXIT_SUCCESS;
}
- Menu
- A computer science portal for geeks
- C-Programmierung Wikibooks
- C-Programmierung allgemein
- PIC C XC8 Tutorial
- C-programmierung
- Ringpuffer
- C-Tutorial
- Das C Tutorial (deutsch)
- Fundamentals of the C Programming Language
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.
