转载：Generators - javascript.info Regular functions return only one, single value (or nothing). Generators can return (“yield”) multiple values, one after another, on-demand. They work great with iterables, allowing to create data streams with ease. # Generator functions To create a generator, we...

转载：window.location Cheatsheet | SamanthaMing.com Looking for a site’s URL information, then the window.location object is for you! Use its properties to get information on the current page address or use its methods to do some page redirect or refresh...

转载：A Guide to CSS counter | SamanthaMing.com Use the “counter” property to turn any element into a numbered list. Similar to how the ordered list tag works <ol> . Very useful if you’re creating a documentation site where you need to automatically number the headings or create a table...

转载: CSS Variables | SamanthaMing.com Move over Sass, we have #CSS variables! I still love Sass of course. But it’s great native CSS supports this. No need for a preprocessor & no more compiling 🥳 Global scope will allow you to access the variable everywhere. Local scope will just be within...

If you have some Rust code, you can compile it into WebAssembly (wasm). This tutorial takes you through all you need to know to compile a Rust project to wasm and use it in an existing web app. # Rust and WebAssembly use cases There are two main use cases for Rust and WebAssembly: Build an entire...

转载：Calling Java from PL/SQL # Introduction This article describes how to call a method within a Java class from a PL/SQL wrapper subprogram. It‘s aimed at those PL/SQL programmers who have no previous knowledge of Java programming (to call PL/SQL from Java see this article). The outline of what we...

# General Description New application of menu to download files in a form using Form Personalization. This is useful for users and save MIS maintain time cost because you could add in the Actions menu a list of files you can download. For example, you can add Upload Templates, Troubleshooting file...

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...