D3 Column Bar Chart
I created a sample bar chart using D3, based on Let's Make a Bar Chart, III (Mike Bostock). Visit here. D3 is the most low level JavaScript visualization tool. Really cool!
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How to Install NVM on Mac
Problem If you manage many node.js projects, you will definitely come across a time when your packages require you to use an upgraded node version. I think that using NVM is the best bet for this task. NVM is a version manager for node.js. You can easily install
Ghost was able to start, but errored during boot
Problem This error were reported when updating and starting Ghost. The error message is similar to this: Ghost was able to start, but errored during boot with: alter table `members_link_click_events` add constraint `members_link_click_events_member_id_foreign` foreign key (`member_id`) references `members` (`id`) on
Connect DigitalOcean droplets with SSH
First, create a key pair. This will eventually create a private key and a public key under ~/.ssh directory on your machine. $ ssh-keygen -t ed25519 It will ask the location to which it store the key files. You can specify your preferred location if needed. Enter file in which to
Ghost update with NVM
Problem Maintaining a ghost blog on its own VM requires diligent system updates and maintenance. Today, when I updated ghost using ghost-cli, it threw a message that I need to update compatible node version. My node was v14 and the new ghost update requires the version 18. While there are