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from gtts import gTTS #updated 2024-06-19-081215
from pydub import AudioSegment
import os

def text_to_speech_with_pauses(text, lang='zh-CN', pause_duration=8000):
    segments = text.split(',')  # Split text at comma
    combined = AudioSegment.silent(duration=0)  # Start with an empty segment

    for segment in segments:
        tts = gTTS(text=segment, lang=lang)

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import os
import subprocess

def extract_pages_from_pdf(source_file, page_range, output_file):
    try:
        subprocess.run(['pdftk', source_file, 'cat', page_range, 'output', output_file], check=True, capture_output=True, text=True)
    except subprocess.CalledProcessError as e:
        print(f"Error during 'pdftk' execution:\n{e.stderr}")
        exit(1)

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import pandas as pd
import numpy as np

# Specify the path to your excel file
file_path = 'list.xlsx'

# Read the Excel file
df = pd.read_excel(file_path)

# Drop rows with missing values

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# use index values, which are all Chinese characteres, as x labels, 
# but not enought space to display, so we need to display the characters vertically,
# not jsut rotate x lables
# but to display the characters one at each line.
# reference & courtesy: https://blog.csdn.net/ai_clay/article/details/126038824

df_new=df_filtered.index # get the index values from the original df

df_new= df_new.map(lambda x: '\n'.join(x)) # one character each line

felixmon

比较两个数字的大小，包含正负数的情形

A, B

A, B 为实数A

A 比 B 大了多少（百分比）：

[(A/B)-1]/[B/ABS(B)]

felixmon

rsync -a /source/directory --files-from=/full/path/to/listfile /destination/directory

example:

rsync -a ./source --files-from=./list.txt ./new

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Startup Scripts

Just like Linux

nano ~/.bashrc
## write some scripts

Matplotlib on Termux

In a nut shell, you need to install some dependencies manually before actually install matplotlib.

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#!/usr/bin/env python3
 
"""Simple HTTP Server With Upload.

This module builds on BaseHTTPServer by implementing the standard GET
and HEAD requests in a fairly straightforward manner.

see: https://gist.github.com/UniIsland/3346170
"""
 

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Install LaTex on Windows

Softwares to download

1. MikTex
2. Texmaker

Settings

Texmaker -> Options/Configure Texmaker/Commands/LaTeX

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System

Check bit version

python -c "import ctypes; print(32 if ctypes.sizeof(ctypes.c_voidp)==4 else 64, 'bit CPU')"

Functions

List dict

fruits = ['lemon', 'pear', 'watermelon', 'tomato']