I have a clean create-react-app installation, and I want to add my own svg image to display, just like displaying a logo, ie:
import logo from’./logo.svg’;
{logo} However, when I import my ow
Tag: How to add
How to add a plug-in router in Phoenix Elixir
I created authentication for user resources and it works fine, but now I want to use the authenticate function in user_controller.ex to project_controller.ex.
If I copy the private function f
How to add foreign keys to an existing SQLite table?
I have the following table:
CREATE TABLE child(
id INTEGER PRIMARY KEY,
parent_id INTEGER,
description TEXT); How to add foreign key constraints on parent_id? Assume that foreign keys are enabled.
Most examples assume that you are creating a table-I want to add constraints to an existing table.
How to add time-related triggers in PostgreSQL?
Regarding how: I am confused and powerless:
>After setting up the database, add a trigger to the postgresql database, that is, add a trigger by clicking a hyperlink
>Write a trigger function