随笔分类 -  Python

1 2 3 下一页
Python write huge data to json and file in batch
摘要：import time import threading import uuid from datetime import datetime import os import psutil import pandas as pd import json idx=0 idx_lock=threadin 阅读全文
posted @ 2026-03-14 22:01 FredGrit 阅读(5) 评论(0) 推荐(0)
Python server push message to client actively via server sent event (SSE) event stream, event source listen onmessage and onerror
摘要：//app.py from flask import Flask, render_template, Response import random import time from datetime import datetime import threading import json app = 阅读全文
posted @ 2026-03-09 20:32 FredGrit 阅读(3) 评论(0) 推荐(0)
Python json serialize write 100M items to json via batch
摘要：def append_data_list_to_json(json_file,start_idx,end_idx,is_first=False,is_last=False,data_list=[],batch_idx=""): json_str=json.dumps(data_list,indent 阅读全文
posted @ 2026-03-03 21:17 FredGrit 阅读(6) 评论(0) 推荐(0)
Python print full text via pprint
摘要：import uuid from datetime import datetime import os import psutil import threading import json import pprint def read_json_file_deserialize(json_file= 阅读全文
posted @ 2026-03-03 21:03 FredGrit 阅读(7) 评论(0) 推荐(0)
Python serialize list to json file and deserialize from json file to data list
摘要：import uuid from datetime import datetime import time import threading import json import psutil import os def get_mem(): pid=os.getpid() proc=psutil. 阅读全文
posted @ 2026-02-25 22:32 FredGrit 阅读(7) 评论(0) 推荐(0)
Python write 100M items data to csv file in batch
摘要：import uuid import time from datetime import datetime import threading from tkinter import messagebox import os import psutil import pandas as pd idx= 阅读全文
posted @ 2026-02-23 16:29 FredGrit 阅读(7) 评论(0) 推荐(0)
Python asyncio.run to implement asynchronous method
摘要：async def print_main(): while True: await asyncio.gather( print_time_uuid(), print_uuid_time() ) await asyncio.sleep(1) if __name__=="__main__": async 阅读全文
posted @ 2026-02-23 12:30 FredGrit 阅读(7) 评论(0) 推荐(0)
Python get incremented idx atomically via thread_locking and assign the value to the third variable withing thread lock to ensure thread safety
摘要：import time from datetime import datetime import threading import os import psutil import uuid from tkinter import messagebox import json idx=0 idx_lo 阅读全文
posted @ 2026-02-23 12:10 FredGrit 阅读(5) 评论(0) 推荐(0)
Python asyncio.gather returns a future aggregating results from the given coroutines/futures.
摘要：Return a future aggregating results from the given coroutines/futures. Coroutines will be wrapped in a future and scheduled in the event loop. They wi 阅读全文
posted @ 2026-02-22 21:53 FredGrit 阅读(7) 评论(0) 推荐(0)
Python threading.Thread(target=lambda:[])
摘要：import time from datetime import datetime import threading import uuid idx=0 idx_lock=threading.Lock() def get_idx(): global idx idx+=1 current_idx=id 阅读全文
posted @ 2026-02-22 21:40 FredGrit 阅读(3) 评论(0) 推荐(0)
Python implement repeatable functions via while True loop and time.sleep
摘要：import uuid from datetime import datetime import threading import time import psutil import os import threading idx=0 idx_lock=threading.Lock() def ge 阅读全文
posted @ 2026-02-22 21:24 FredGrit 阅读(3) 评论(0) 推荐(0)
Python repeatable timer to implement recycled printing via schedule
摘要：import uuid from datetime import datetime import psutil import os import time import threading from tkinter import messagebox import asyncio import sc 阅读全文
posted @ 2026-02-22 21:22 FredGrit 阅读(3) 评论(0) 推荐(0)
Python json write serialized content to json file
摘要：import uuid from datetime import datetime import threading import psutil import os import json import asyncio import time from tkinter import messageb 阅读全文
posted @ 2026-02-22 20:38 FredGrit 阅读(4) 评论(0) 推荐(0)
Python use schedule as recycle timer
摘要：python -m pip install schedule import uuid import schedule from datetime import datetime import threading import psutil import os def get_memory(): pi 阅读全文
posted @ 2026-02-20 21:59 FredGrit 阅读(5) 评论(0) 推荐(0)
Python write 20M rows data to csv file via pandas meanwhile monitor memory via psutil
摘要：from datetime import datetime import json import pandas as pd import uuid from tkinter import messagebox import psutil import os def get_memory(): pid 阅读全文
posted @ 2026-02-20 21:30 FredGrit 阅读(3) 评论(0) 推荐(0)
Python get pid via os,get memory via psutil
摘要：import uuid from datetime import datetime import json from tkinter import messagebox import psutil import os def get_memory(): pid=os.getpid() proc=ps 阅读全文
posted @ 2026-02-20 20:50 FredGrit 阅读(6) 评论(0) 推荐(0)
Python get process memory,pc total memory via psutil
摘要：import psutil import os def get_memory(): pid=os.getpid() proc=psutil.Process(pid) mem_info=proc.memory_info() sys_mem=psutil.virtual_memory() return 阅读全文
posted @ 2026-02-17 17:58 FredGrit 阅读(2) 评论(0) 推荐(0)
C# send data via WebSocket as producer, python receive data via websocket as consumer
摘要：Producer Install-Package Newtonsoft.Json Install-Package WebSocketSharp-netstandard using System; using System.Threading; using WebSocketSharp; using 阅读全文
posted @ 2026-02-09 18:07 FredGrit 阅读(10) 评论(0) 推荐(0)
Python convert list to dict.
摘要：import uuid from datetime import datetime import time import pandas as pd import pymysql import asyncio class Book: def __init__(self,id,name,isbn,aut 阅读全文
posted @ 2026-02-08 09:04 FredGrit 阅读(8) 评论(0) 推荐(0)
Python aiomysql,asyncio.run() insert into mysql asynchronously
摘要：python -m pip install aiomysql -i https://pypi.tuna.tsinghua.edu.cn/simple create database if not exists async_mysql_test; use async_mysql_test; creat 阅读全文
posted @ 2026-02-04 20:48 FredGrit 阅读(8) 评论(0) 推荐(0)

1 2 3 下一页