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python zip文件操作# 将zip文件写入到数据库中def read_zip(): file_path = "./data/000001.SZ.zip" with ZipFile(file_path, 'r') as zf: flen = len(zf.namelist()) index = 0 for name in zf.namelist(): index += 1 if ZipI

配置run 运行相关launch.json{ // Use IntelliSense to learn about possible attributes. // Hover to view descriptions of existing attributes. // For more information, visit: https://go.microsoft....

1. rpm 签名导入rpm --import https://packagecloud.io/rabbitmq/rabbitmq-server/gpgkey2. 安装rabbitmq_erlang， 仅支持rabbitmq的erlang2.1 rabbitmq_erlang.repo 文件创建安装文档命令行执行：# 1. 创建文件touch /etc/yum.repos.d...

方式1redis.hset(key_name, field, df.to_msgpack(compress='zlib'))pd.read_msgpack(redis.hget(key_name, field))方式2import zlib, pickleredis.hset(key_name, field, zlib.compress(pickle.dumps(df), 5))...

1. 新浪接口https://quotes.sina.cn/cn/api/json_v2.php/CN_MarketDataService.getKLineData?symbol=sh000300&scale=30&ma=no&datalen=1023symnol = 股票代码scale = 5,15,30,60datalen = 获取数据长度，最大1023...

from watchdog.observers import Observerfrom watchdog.events import FileSystemEventHandlerimport timeclass MyDirEventHandler(FileSystemEventHandler): def on_moved(self, event): print(...

import win32api,win32gui,win32conimport osimport timefrom enum import Enumclass Lan(Enum): """ 语言代码值参考：https://msdn.microsoft.com/en-us/library/cc233982.aspx """ EN = 0x4090409 ...

import win32api,win32gui,win32conimport osimport timeclass WindowUtils(): VK_CODE = {'backspace': 0x08, 'tab': 0x09, 'clear': 0x0C, 'enter': 0x0D,...

使用python计算最大回撤1. 单期简单收益率Rt=Pt−Pt−1Pt−1R_{t}=\dfrac {P _{t}-P_{t-1}}{P_{t-1}}Rt​=Pt−1​Pt​−Pt−1​​说明：RtR_tRt​ 为单期简单收益率PtP_tPt​ 为t期的价格Pt−1P_{t-1}Pt−1​ 为t-1期的价格import datetimeimport pandas as pd...

from sklearn import preprocessingimport numpy as npenc = preprocessing.OneHotEncoder(categories='auto')# 训练onehot编码，指定标签enc.fit([[1],[2],[3]])# 将标签转换成 onehot编码result =enc.transform([[1],[3],[...

python 遍历list并删除部分元素有两个list，list_1 为0-9，list_2 为0-4,需要删除list_1中包含在list_2中的元素list_1 =[]for i in range(10): list_1.append(str(i))list_1['0', '1', '2', '3', '4', '5', '6', '7', '8', '9']list...

官方文档 https://docs.python.org/3.6/library/multiprocessing.htmlfrom multiprocessing import Pool, Managerimport time, random, os# 需要执行的函数def f(x): time.sleep(random.randint(1, 3)) return x,...