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🚀 [#SCADA LANGUAGE] Videojet DataFlex 6420 — Zipher Text Communications Protocol Example

This README demonstrates how to communicate with a Videojet printer using the Zipher Text Communications Protocol, as detailed in the official documentation:

📄 Protocol PDF: Zipher Text Coms Protocol v1.21

---

🔧 Purpose

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Go-style generators in asyncio

I've recently been looking into the go concurrency model to see how it compares to asyncio.

An interesting concept caught my attention: go generators.

Generators in Go

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You need to provide some classes and decorators yourself to maintain the same style as typeorm@2.x.

1. EntityRepository -> CustomRepository

@EntityRepository(UserEntity)
export class UserRepository extends Repository<UserEntity> {}

↓

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// See
// https://stackoverflow.com/questions/42429023/how-can-i-perform-an-inner-join-with-two-object-arrays-in-javascript#answer-42429128

const a = [
  {id: 4, name: 'Greg'},
  {id: 1, name: 'David'},
  {id: 2, name: 'John'},
  {id: 3, name: 'Matt'},
];

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#![allow(unused)] // silence unused warnings while exploring (to comment out)

use std::{error::Error, time::Duration};
use tokio::time::sleep;

use redis::{
	from_redis_value,
	streams::{StreamRangeReply, StreamReadOptions, StreamReadReply},
	AsyncCommands, Client,
};

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// Like interruptWhen / interrupt but allows resumption of the source stream.

  def pauseWhen[F[_]: Async, A](controlSignal: Signal[F, Boolean]): Pipe[F, A, A] =
    pause(controlSignal.discrete)

  def pause[F[_]: Async, A](control: Stream[F, Boolean]): Pipe[F, A, A] = {
    def unpaused(
      controlFuture: ScopedFuture[F, Pull[F, Nothing, (NonEmptyChunk[Boolean], Handle[F, Boolean])]],
      srcFuture: ScopedFuture[F, Pull[F, Nothing, (NonEmptyChunk[A], Handle[F, A])]]
    ): Pull[F, A, Nothing] = {

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package main

import (
	"fmt"

	"github.com/aws/aws-sdk-go/aws"
	"github.com/aws/aws-sdk-go/aws/session"
	"github.com/aws/aws-sdk-go/service/ssm"
)

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package main

import (
	"net/http"
	"database/sql"
	"fmt"
	"log"
	"os"
)

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How to update the Go version

System: Debian/Ubuntu/Fedora. Might work for others as well.

1. Uninstall the exisiting version

As mentioned here, to update a go version you will first need to uninstall the original version.

To uninstall, delete the /usr/local/go directory by:

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@Entity
public class TreeCategory extends IdentifiableEntity {
....

    @ManyToOne(optional = true)
    @JoinColumn(name = "parent_id", referencedColumnName = "id")
    public TreeCategory getParent() {
        return parent;
    }