正则表达式的先行断言和后行断言一共有 4 种形式： (?=pattern) 零宽正向先行断言 (zero-width positive lookahead assertion) (?!pattern) 零宽负向先行断言 (zero-width negative lookahead assertion) (?<=pattern) 零宽正向后行断言 (zero-width positive lookbehind assertion) (?<!pattern) 零宽负向后行断言 (zero-width negative lookbehind...

转载：How to Make a Process Monitor in Python - Python Code Monitoring operating system processes enables us to monitor and display process activity in the real time. In this tutorial, you will learn how to retrieve information on running processes in the operating system using Python, and build a...

# Upload Create app.py and run by terminal, and create uploads folder in the current directory. app.py 1234567891011121314151617181920212223242526272829303132333435363738394041424344import osfrom flask import Flask, render_template, make_response, flash, request, redirect, url_forfrom werkzeug.utils...

转载：How to Create a Watchdog in Python - Python Code Within software development, application logging plays a key role. As much as we’d like our software to be perfect, issues will always arise therefore it’s important to have a robust monitoring and logging in place to control and manage the...

# Read Excel to Oracle 123456789101112131415161718192021222324252627from pathlib import Pathfrom sqlalchemy.dialects.oracle import VARCHAR2from sqlalchemy import create_engineimport pandas as pddev = 'name:pwd@DEV'conn_string =...

转载：Deep Dive into Rust for Node.js Developers | by Florian GOTO With the advent of WebAssembly (home) there has never been a better time to learn Rust on top of your existing JavaScript and Node.js knowledge for high performance computing in the browser, on the server and on the edge. Adding Rust...

lhchen74/django-vue3 # backends # django pip install django django-admin startproject backends cd backends python manage.py startapp lyb backends/settings.py INSTALLED_APPS add lyb 12345INSTALLED_APPS = [ ... 'lyb' ...] python manage.py runserver #...

转载：Using Go Modules - The Go Blog Go 1.11 and 1.12 include preliminary support for modules, Go’s new dependency management system that makes dependency version information explicit and easier to manage. This blog post is an introduction to the basic operations needed to get started using modules. A...

# python requests_pkcs12 123456789101112131415161718192021222324252627from requests_pkcs12 import get, posturl = ''asn_status_url = ''pkcs12_filename = 'test.p12'pkcs12_password = 'test'headers = {...

转载：All about Oracle Applications: $FLEX$ and $PROFILES$ $FLEX$ and $PROFILES$ are Special Variables in oracle Apps environment and are used to hold values at runtime. Every Oracle Apps technical consultant will be familiar with the term $FLEX$ and $PROFILES$ . Whenever we are working with value...