itrobotics

# -*- coding: UTF-8 -*-
"""
https://blog.ittraining.com.tw/2024/10/normal-distribution.html

"""


import numpy as np
import matplotlib.pyplot as plt
#from matplotlib.mlab import bivariate_normal

itrobotics

import os
import pandas as pd
import numpy as np
import matplotlib.pyplot as plt
import statsmodels.api as sm


def process_stock_data(df):
    # Copy the DataFrame to avoid modifying the original

itrobotics

import openai

# Replace 'YOUR_API_KEY' with your actual API key from OpenAI
api_key = 'YOUR_API_KEY'

# Initialize the OpenAI API client
openai.api_key = api_key

# Specify the prompt for text generation
prompt = "Once upon a time,"

itrobotics

def ocr_by_goole_vision(input_file='captcha.png',draw_text=False):
    
    with io.open(input_file, 'rb') as image_file:
        content = image_file.read()

    response = client.text_detection(image=vision.Image(content=content))

    if response.error.message:
        raise Exception(

itrobotics

c = [[]]*3      #[[], [], []]
print(c)
c[0].append(100)
print(c)

print(id(c[0])) #c[0]==c[1]==c[2]
print(id(c[1]))

itrobotics

from collections import defaultdict
from itertools import chain
from itertools import chain, combinations

'''
Why do we use frozenset ?

Example 1:

count[{'B','C'}]+=1  # TypeError Error : "unhashable type: 'set'"

itrobotics

#include <stdio.h>
#include <string.h>

int main ()
{

  char method_str[]="GET         /doc/test.html   HTTP/1.1  \r\n";
   char *url;
   char *protocol;
   char *end;

itrobotics

#include <stdio.h>

//#define DEBUG 3

#ifdef  DEBUG
#define debug(fmt,args...)      printf (fmt ,##args)
#define debugX(level,fmt,args...) if (DEBUG>=level) printf(fmt,##args);
#else
#define debug(fmt,args...)

itrobotics

static inline unsigned long __raw_spin_lock_irqsave(raw_spinlock_t *lock)
 {
        unsigned long flags;

        local_irq_save(flags);     // local CPU 中斷關閉, 防ISR搶
         preempt_disable();         //  preemptive 也禁止, 防止process 也來互搶
         spin_acquire(&lock->dep_map, 0, 0, _RET_IP_);

         ....

itrobotics

// blink.c
//
// Example program for bcm2835 library
// Blinks a pin on an off every 0.5 secs
//
// After installing bcm2835, you can build this 
// with something like:
// gcc -o blink blink.c -l bcm2835
// sudo ./blink
//