Follow these instructions if you are installing Ephesoft Transact 2019.2 or above for the first time. Prerequisites Check your system for an existing instance of MariaDB before installing Ephesoft Transact, as some Linux operating systems include MariaDB. Follow this instructions to install MariaDB on Ubuntu. sudo apt-get install software-properties-common Next, run the commands below to […]
Regular Expressions
What are regular expressions? Regular expressions are a powerful language for “filtering” and “matching” text patterns. Regular expressions are a sequence of characters that define a text pattern. What are text patterns? All subsets of numbers and strings are text patterns: “12345 Test-PLZ” “0176 / 35206462” “Yours sincerely” What do I need regex for? Match […]
Spark DataFrames
In this part the main way we will be working with Python and Spark is through the DataFrame Syntax. If you have worked with pandas in Python, R, SQL or even Excel, a DataFrame will feel very familiar! Spark DataFrames hold data in a column and row format Each column represents some feature or variable […]
Spark and Python for Big Data with PySpark
Why to learn it? Spark has been reported to be one of the most valuable tech skills to learn. Spark is quickly becoming one of the most powerful Big Data tools! You also have the ability to run programs up to 100x faster than MapReduce in memory. What is Spark? Apache Spark is an open-source distributed […]
Connect ioBroker with ION
Get the Token from Postman Our first step before working with ioBroker is going to be to get the Token from Postman. For this you have to open Postman and create a new POST request. Go to Authorization and change the typ to Basic Auth and enter your Username and Password. After that you have […]