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Raspberry Pi ---- Reading Rockwell .dbf files


Raspberry Pi ---- Reading Rockwell .dbf files

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Raspberry Pi ---- Reading Rockwell .dbf files
Tag : python , By : Moe Skeeto
Date : November 29 2020, 04:01 AM

Hope that helps I am working with a Raspberry Pi using latest Raspbian Stretch with desktop to pull in .dbf files from a Rockwell PLC. I ran , Try:
python -m pip install --user dbfread
python <your-script.py>

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Is Rockwell a web safe font?


Tag : development , By : Theo
Date : March 29 2020, 07:55 AM
this one helps. There's a very small set of web-safe fonts; Rockwell isn't one of them because it comes with third-party software like Microsoft Office.
That said, if you must use Rockwell as your primary font, be sure to define a decent font stack for it. That is, use CSS to define a list of fallbacks, where each fallback is a web-safe font:
body, input, textarea {
  font-family: Rockwell, "Courier New", Courier, Georgia,
                 Times, "Times New Roman", serif;
}

Wildcards and VBA on Rockwell FactoryTalk View SE


Tag : vba , By : yarry
Date : March 29 2020, 07:55 AM
To fix the issue you can do You will need to iterate through all of the individual Items. Try something like this:
    For Each Item In Elements
        If Item.Name Like "*X2Only" Then
            Item.Visible = True
        End If
    Next Item

Issue reading .txt files (from dropbox) in JavaScript for Raspberry Pi Weather station


Tag : javascript , By : Kilimanjaro
Date : March 29 2020, 07:55 AM
I hope this helps . How exactly would I go by reading .txt files in JavaScript from a dropbox file? I recently got a weather sensor for my raspberry pi, and I want to save the current weather data every hour to a .txt file in dropbox (code seen below). However, I am a bit stuck on linking the data from a dropbox file to my web page so I can chart graphs of weather patterns. ,
linking the data from a dropbox file to my web page
var express = require('express')
var app = express()

app.get('/', function (req, res) {
  res.sendFile('index.html')
})

app.use(express.static('public')) // now you can load any file from your public folder (e.g. public/weather_data.txt)

app.listen(3000, function () {
  console.log('Example app listening on port 3000!')
})
$.ajax({
  url: "./public/weather_data.txt",
  async: false,
  success: function (data){
    // Do whatever you want with the data
    document.getElementById('myElement').innerHTML = data
  }
})

Parsing a Rockwell L5X file


Tag : xml , By : Feroz
Date : March 29 2020, 07:55 AM
will be helpful for those in need XML is an extendable markup language, which means that it allows for the definition of a markup vocabulary and grammar. Rockwell has defined the L5X format in XML. This allows tools and libraries that support XML to be used to read, manipulate, and write L5X files. This is a considerable advantage, providing you many options for processing L5X files: XPath, XSLT, XML parsers in many languages, including Python.
Typically there would be an XML schema (XSD, DTD, Relax NG, Schematron, etc) file that defines the vocabulary and grammar and supports automated validation of the L5X file. Rockwell, unfortunately, appears to have forgone that convenience in their specification of the L5X format, but an XML schema could be written based upon their examples and natural-language-based specification.

Rockwell / sIFR 3 - with special characters (£, etc.)


Tag : development , By : kema
Date : March 29 2020, 07:55 AM
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