Kelvin Li

Change to static IP address 1. update /etc/netplan/50-cloud-init.yaml network: ethernets: enp0s3: dhcp4: false addresses: [192.168.1.202/24] gateway4: 192.168.1.1 nameservers: addresses: [8.8.8.8,8.8.4.4,192.168.1.1] version: 2 2. apply the changes sudo netplan apply

recently I tweaks on the Angular form validation and come up with a handy solution to simplify the tedious validation process on the form. A small library is created for this article. The basic process to define a form in the Angular project. 1. Define your form in your component

We can use inject() function to inject the service in the angular project instead of inject in the constructor(). When we have a service that rely on an abstract interface, we need a a little tricky to have this inject() work. for example, we have a a interface: export interface

We use > to combine 2 selectors, like div > p (div indicates the parent element, and p is the child element) find all descendant elements // select all the descendants of *div* div p { color: red; } white space to separate the parent and descendant elements. find sibling elements div ~ p