[c] Stack

#include 
#include 
#define MAXSIZE 100 

typedef struct stack{
    int stk[MAXSIZE];
    int top;
} STACK;


void Push(int x, STACK *s){
    int num;
    s->top ++; 
    printf("Push %d\n", s->top);
    s->stk[s->top] = x;
    return;
}

int Pop(STACK *s){
    int num;
    printf("Pop %d\n", s->top);
    num = s->stk[s->top];
    s->top --; 
    return num;
}

void Init(STACK *s){
    s->top = -1; 
    printf("Init %d\n", s->top);
    return;
}

int main(){

    STACK *s = (STACK *)malloc(sizeof(STACK));

    Init(s);

    Push(1, s); 
    Push(2, s); 
    Push(3, s); 

    printf("%d\n", Pop(s));
    printf("%d\n", Pop(s));
    printf("%d\n", Pop(s));

}

[c] learn-c.org

Welcome

Welcome to the learn-c.org free interactive C tutorial.
Whether you are an experienced programmer or not, this website is intended for everyone who wishes to learn the C programming language.
There is no need to download anything - Just click on the chapter you wish to begin from, and follow the instructions. Good luck!


http://www.learn-c.org

[python] text from url

import requests
import json
url = 'http://www.quotesondesign.com/wp-json/posts'
resp = requests.get(url)

# srting to Python data type
c_lst = json.loads(resp.text)

for txt in c_lst:
    # unpacking
    for key, value in txt.items():
        print(key, ' : ', value)

[python] json

import json

# Json String to variable
sample = {
    "glossary": {
        "title": "example glossary",
        "GlossDiv": {
            "title": "S",
            "GlossList": {
                "GlossEntry": {
                    "ID": "SGML",
                    "SortAs": "SGML",
                    "GlossTerm": "Standard Generalized Markup Language",
                    "Acronym": "SGML",
                    "Abbrev": "ISO 8879:1986",
                    "GlossDef": {
                        "para": "A meta-markup language, used to create markup languages such as DocBook.",
                        "GlossSeeAlso": ["GML", "XML"]
                    },
                    "GlossSee": "markup"
                }
            }
        }
    }
}

# string to Json encoding with formatting
sample_json = json.dumps(sample, indent = 4)
print(sample_json)
print('')

# Decoding Json String to Python type
sample_structured_json = json.loads(sample_json)
print(sample_structured_json)
print('')

print(sample_structured_json['glossary']['title'])
print('')

for i in sample_structured_json['glossary']['GlossDiv']['GlossList']['GlossEntry']:
    print(i)

[python] binary data write to file

# binary data generation
bdata = bytes(range(0, 256))

# check length and data
print('size :', len(bdata), '\ndata : ', bdata)

# set offset and chunk size, get data size
offset = 0
chunk = 10
size = len(bdata)

# write to file and get size
with open('bfile.bin', 'wb') as bf:
    while offset <= size:
        bf.write(bdata[offset:offset+chunk])
        offset += chunk

# check file
! cat bfile.bin