ChatGPTのプロンプトのサンプルと結果

ChatGPTの有料プランを停止して無料版を利用していますが、どこまで役に立つのかプロンプトのサンプルと2024/7時点の結果の記録を残してみたいと思います。

Prompt: Create a table comparing the syntax, performance, and use cases of Python, Java, and C.

ChatGPT: Sure, here’s a comparison table for Python, Java, and C based on syntax, performance, and use cases:

Feature Python Java C
Syntax – High-level, easy to read and write – Relatively verbose, but clear and object-oriented – Low-level, closer to machine language
– Dynamically typed – Statically typed – Statically typed
– Indentation-based for blocks – Uses curly braces {} for blocks – Uses curly braces {} for blocks
Performance – Interpreted language, slower execution – Compiled to bytecode, runs on JVM, moderate performance – Compiled to machine code, very fast execution
– Suitable for scripting and automation – Good performance with Just-In-Time (JIT) compilation – Excellent performance, used for system programming
– High memory usage – Moderate memory usage – Low memory usage
Use Cases – Web development, data science, automation, scripting – Enterprise applications, Android development, web services – System programming, embedded systems, operating systems
– Rapid prototyping – Large-scale systems – Performance-critical applications
– Machine learning, artificial intelligence – Middleware and server-side applications – Hardware interfacing, real-time systems

Summary

  • Python is great for rapid development and ease of use, making it ideal for scripting, automation, and data science.
  • Java provides a good balance between performance and portability, making it suitable for large-scale enterprise applications and Android development.
  • C is best for performance-critical applications and system-level programming due to its low-level capabilities and efficient memory usage.

If you have any specific use cases or additional criteria you’d like to compare, let me know!

結果内容もまずまずといった印象です。

では、次はどうでしょうか。

Prompt: List the steps to troubleshoot a slow-loading web page.

ChatGPT: Here are the steps to troubleshoot a slow-loading web page:

  1. Check Internet Connection:
    • Ensure your internet connection is stable and has sufficient bandwidth.
    • Test the connection speed using tools like Speedtest.
  2. Inspect Browser Performance:
    • Clear browser cache and cookies.
    • Disable browser extensions and plugins to see if they are causing the slowdown.
    • Try loading the page in a different browser or in incognito mode.
  3. Analyze Network Requests:
    • Use browser developer tools (F12 or right-click > Inspect) to analyze network requests.
    • Check for slow or failed network requests.
    • Identify any large files or resources that are taking too long to load.
  4. Check for Server Issues:
    • Verify server performance and uptime.
    • Check for high server load or any server-side errors.
    • Use tools like Pingdom or UptimeRobot to monitor server status.
  5. Review Page Content:
    • Optimize images by compressing them and using appropriate formats.
    • Minimize the use of heavy scripts and reduce the number of HTTP requests.
    • Use content delivery networks (CDNs) to serve static content.
  6. Optimize Code and Resources:
    • Minify CSS, JavaScript, and HTML files to reduce their size.
    • Implement lazy loading for images and videos.
    • Use asynchronous loading for scripts and defer parsing of JavaScript.
  7. Check Database Performance:
    • Ensure efficient database queries and proper indexing.
    • Optimize database performance and reduce query execution time.
  8. Monitor Third-Party Services:
    • Identify any third-party scripts or services (like ads, analytics) that might be slowing down the page.
    • Consider loading these services asynchronously or conditionally.
  9. Evaluate Hosting Environment:
    • Ensure your hosting environment is adequate for your traffic needs.
    • Consider upgrading to a better hosting plan or using a dedicated server if necessary.
  10. Analyze Mobile Performance:
    • Test the page on different devices and network conditions.
    • Ensure the page is optimized for mobile performance.
  11. Use Performance Testing Tools:
    • Use tools like Google PageSpeed Insights, GTmetrix, or WebPageTest to analyze and get recommendations for improving page performance.
  12. Review Code and Application Logic:
    • Ensure there are no inefficient loops, recursive calls, or memory leaks.
    • Optimize application logic and refactor code where necessary.

By systematically following these steps, you can identify and address the factors contributing to slow-loading web pages.

誤った情報もありますが、考え方の方向性などはいいかと思います。

最後に、Pythonのコードを書いてもらいましょう。

Prompt: Develop a python function to parse dates from strings. The function should be able to handle the formats YYYY-MM-DD, MM/DD/YYYY, and Month DD, YYYY. It should return a datetime object. Provide a script that demonstrates the function handling at least 3 examples of each format correctly, along with documentation explaining any dependencies, the logic used in the function, and instructions on how to use the script.

ChatGPT:

Here’s a Python script that includes a function to parse dates from strings in the formats YYYY-MM-DD, MM/DD/YYYY, and Month DD, YYYY. The function returns a datetime object. The script also demonstrates the function handling multiple examples of each format.

Dependencies

  • datetime: A built-in Python module used for manipulating dates and times.
  • re: A built-in module for working with regular expressions to match the date formats.

Function Logic

  1. Use regular expressions to match the date formats.
  2. Convert the matched strings into datetime objects using datetime.strptime.

Instructions

  1. Ensure you have Python installed on your system.
  2. Copy the script into a .py file.
  3. Run the script using a Python interpreter.

Script

python

import re
from datetime import datetime

def parse_date(date_str):
"""
Parses a date string and returns a datetime object.

Handles the following formats:
- YYYY-MM-DD
- MM/DD/YYYY
- Month DD, YYYY

:param date_str: A string representing a date in one of the supported formats.
:return: A datetime object representing the parsed date.
"""
# Define regex patterns for the supported date formats
patterns = [
(r'^\d{4}-\d{2}-\d{2}$', '%Y-%m-%d'), # YYYY-MM-DD
(r'^\d{2}/\d{2}/\d{4}$', '%m/%d/%Y'), # MM/DD/YYYY
(r'^[A-Za-z]+ \d{2}, \d{4}$', '%B %d, %Y'), # Month DD, YYYY
]

for pattern, date_format in patterns:
if re.match(pattern, date_str):
return datetime.strptime(date_str, date_format)

raise ValueError(f"Date format for '{date_str}' is not supported.")

# Demonstration
if __name__ == "__main__":
# Test examples
date_examples = [
'2023-07-10', '2022-01-01', '1999-12-31', # YYYY-MM-DD
'12/25/2020', '07/04/1776', '03/15/2000', # MM/DD/YYYY
'July 4, 2021', 'December 25, 2020', 'January 1, 2022' # Month DD, YYYY
]

for date_str in date_examples:
try:
parsed_date = parse_date(date_str)
print(f"Original: {date_str} -> Parsed: {parsed_date}")
except ValueError as e:
print(e)

Documentation

Dependencies

  • datetime: Used for creating and manipulating date and time objects.
  • re: Used for regular expression operations to match the date formats in strings.

Logic

  1. The function parse_date takes a date string as input.
  2. It uses regular expressions to check if the string matches one of the supported date formats.
  3. If a match is found, datetime.strptime is used to parse the string into a datetime object.
  4. If no match is found, a ValueError is raised indicating the date format is not supported.

Instructions

  1. Ensure Python is installed on your system.
  2. Save the script in a file, e.g., parse_dates.py.
  3. Run the script using a Python interpreter: python parse_dates.py.
  4. The script will output the original date strings and their parsed datetime objects.

By following these instructions, you can use and test the parse_date function with various date formats.

上記結果は30秒ぐらいで出力されるので無料版でもそこそこ役に立つかと考えられます。

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