# Setup
The following test table is used to demonstrate RETURNING INTO clause.
123456789101112131415DROP TABLE t1;DROP SEQUENCE t1_seq;CREATE TABLE t1 ( id NUMBER(10), description VARCHAR2(50), CONSTRAINT t1_pk PRIMARY KEY (id));CREATE SEQUENCE t1_seq;INSERT INTO t1 VALUES (t1_seq.nextval,...
转载: CSS Speedrun | Test your CSS Skills
转载: CSS selectors - CSS: Cascading Style Sheets | MDN
Enter the CSS selector, which applies to all elements with an arrow ⬅️
123456<ul> <li></li> ⬅️ <li></li>...
# Streamlit
The fastest way to build and share data apps. Streamlit turns data scripts into shareable web apps in minutes. All in pure Python. No front‑end experience required.
# PyWebIO
PyWebIO provides a diverse set of imperative functions to obtain user input and output content on the browser,...
转载:IS NUMBER - Oracle FAQ
Oracle doesn’t have a built-in IS_NUMERIC function to check is a value is numeric, but over the years people developed innovative alternatives. This page will discuss some of them:
# SQL solution
Pure SQL solutions usually use TRANSLATE or REGEXP_LIKE to identify numeric...