Programmierung
Aus Wiki_2020
Onlinetools
Circuitpython
Python
https://realpython.com/lessons/sphinx-basics-python/ Sphinx
- Venv
- erstellen:
python3 -m venv sphinx-env
- aktivieren
source sphinx-env/bin/activate
- deaktivieren
deactivate
- Python Comments Guide
- 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
- https://tcl.tk/man/tcl8.6/contents.htm
- https://tkdocs.com/tutorial/intro.html#audience
- 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
Arduino IDE
- Pi pico
- 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;
}
/* ptr1.c */
#include <stdio.h>
#include <stdlib.h>
struct menu
{
int item;
char titel[5];
};
int main(void) {
int n=2;
struct menu *ptr;
ptr = (struct menu*) malloc(n * sizeof(struct menu));
printf("Die Adresse von x ist %p \n",ptr);
char i1[] = "test_1";
ptr->item = 8;
//ptr->titel = i1;
(ptr+n)->item = 10;
//int x = 5; // Integervariable
// int *ptr ; // Pointer für Int variable
// ptr = &x; // auf Adresse von x referenzieren
// printf("x ist %d \n",x);
// printf("size of struct is %u \n",sizeof(struct menu));
printf("Der Wert x ist %d \n",ptr->item);
printf("Der Wert x ist %d \n",(ptr+n)->item);
// printf("Der Wert x ist %d \n",menu.item);
return EXIT_SUCCESS;
}
/* ptr1.c */
#include <stdio.h>
#include <stdlib.h>
struct menu
{
int item;
char titel[5];
};
int main(void) {
int n=2;
struct menu *ptr;
ptr = (struct menu*) malloc(n * sizeof(struct menu));
printf("Die Adresse von x ist %p \n",ptr);
char array[5] = "tast";
char (*arptr)[5]; // pointer 2 array
arptr = &array; // pointer referenzieren
ptr->item = 8;
//ptr->titel = &arptr;
(ptr+n)->item = 10;
//int x = 5; // Integervariable
// int *ptr ; // Pointer für Int variable
// ptr = &x; // auf Adresse von x referenzieren
// printf("x ist %d \n",x);
printf("i1 is %s \n",array);
printf("Der item[0] ist %d \n",ptr->item);
printf("Der item[1] ist %d \n",(ptr+n)->item);
printf("Die Adresse von aptr ist %p \n",&arptr);
printf("Die Wert an Adresse von aptr ist %s \n",*arptr);
return EXIT_SUCCESS;
}
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- PIC C XC8 Tutorial
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- 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.
