React diagram

Evaluating two react flow diagrams

react-flow-chart
It looks a little bit odds, the arrows are on the top/bottom of diagram from the demo.

react-diagrams
From the demo see a lot more complicated cases.
To see demo,  run
 cd packages/diagrams-demo-gallery && yarn run start

npm ERR! missing:

Part of error messages

...
  +-- terser@3.17.0 deduped
  +-- v8-compile-cache@2.1.0 deduped
  `-- ws@5.2.2 deduped

npm ERR! missing: mkdirp@0.5.1, required by node-pre-gyp@0.12.0
npm ERR! missing: minimist@0.0.8, required by mkdirp@0.5.1
npm ERR! missing: minimatch@3.0.4, required by ignore-walk@3.0.1
...

Then I run
npm update -g
that is suggestion from stackoverflow.

But, still not fix.

NPM error : UNMET DEPENDENCY

It's right in that message, it says which deps you're missing

Kafka vs ActiveMQ

Some nice description from stackoverflow.

gRPC

Some resources

• Envoy and gRPC-Web
• gRPC for Spring developer

Markdown multple level list with number and alpha index in the different level

According stackoverflow, only Pandoc can do that.

Install PostgreSQL

Download from https://www.enterprisedb.com/thank-you-downloading-postgresql?anid=1256972

Use port 5432

Admin tools