The child component exposes an EventEmitter property with which it emits events when something happens. The parent binds to that event property and reacts to…
We can detect and act upon changes to input property values with the ngOnChanges() method of the OnChanges interface. Child component: src/app/child/child.component.html src/app/child/child.component.css src/app/child/child.component.ts Parent…
Step 1: find PHP version Step 2: Step 3: in this case we install php56-php-pgsql Or you can use this repo: http://rpms.famillecollet.com/enterprise/7/test/x86_64//php56-php-pgsql-5.6.30-2.el7.remi.x86_64.rpm Then you will…
Step 1: Step 2: Data Directory: /var/lib/pgsql/data Step 3: Step 4: Note: You can install other version e.g: 11 by using this repo: https://download.postgresql.org/pub/repos/yum/testing/11/redhat/rhel-7-x86_64/pgdg-centos11-11-1.noarch.rpm (You…
If you see error: How to fix it? Open file /etc/yum.conf then add the line: Example file /etc/yum.conf Recent search terms:yum doenst have enough cached…