Encyclopedia

Cryptocurrency

Cryptocurrencies: What’s behind these digital currency systems?

Ever since the unparalleled Bitcoin boom in 2017, which was to be followed by a no less spectacular drop, cryptocurrencies have been both an exciting and controversial topic. The billions of dollars traded by speculators on bitcoins and alternatives such as Ethereum are often not even considered in the providers’ plans – revealing a glimpse of the foundations of cryptocurrencies.

Python logging

The Python logging module: How to locate script errors

Python logging is a module in the Python library. Since it is integrated into the source code, developers can use several commands to carry out Python logging to file, i.e. create a log file and send notes to this file that are logged when an application runs. Python logging can be used, for example, for code debugging or error communication.

RFID (radio frequency identification)

What is RFID?

RFID, technology to identify objects with the help of electromagnetic waves, is revolutionising logistics processes and merchandise management systems. Concepts for automating production processes in the context of the future project Industry 4.0 also rely on RFID systems. We explain to you how radio frequency identification works and what fields of application there are.

IGMP - Internet Group Management Protocol

IGMP: what is behind the Internet Group Management Protocol

Using multicast connections, data streams can be transferred to a large number of clients easily and in such a way that saves resources – provided that the accessing systems are part of the same multicast group. In IPv4 networks, the organisation and management of these groups is based on the Internet Group Management Protocol (IGMP), which was published as early as 1989. What exactly this...

Import contacts to outlook

Importing Outlook contacts: Transferring existing address information to the Outlook address book

The Outlook address book is an important tool for many computer users who regularly send and receive messages via Microsoft's e-mail service. To restore the contact list from a backup file after a version change or data loss, or simply to add new contact information, there is this import function. We'll show you how to easily import Outlook contacts to update your address book.

The basics for modern web development

Modern web development: the basics

The trends driving web development are moving away from static web presences and heading increasingly in the direction of interactive content. Even though languages like HTML and CSS still rule the roost, a growing number of developers prefer the server-side programming language, PHP, for dynamic websites. Client-side script languages like JavaScript make it possible for a site to react to user...

SNMP tutorial

SNMP tutorial: how snmpwalk and snmpget work

The central monitoring and managing of network devices such as routers, switches, or firewalls is often carried out using the Simple Network Management Protocol (SNMP). Both snmpwalk and snmpget tools use SNMP messages, for example, to retrieve data sets of selected network participants. In our SNMP tutorial, we show what these two command line tools can do and how data retrieval works.

Token ring

Token ring – IEEE 802.5

A glance back into history can reveal a lot. Although token ring networks, or ring topologies, are nowhere to be found nowadays, token rings remain an interesting form of technology. Why the model, which is actually quite good, was outdone by its competitor Ethernet is due to the merciless nature of the tech market. Read the history behind token rings, along with a definition of the system that...

Qt

Qt: the C++ framework for developing cross-platform software

Frameworks are an integral element of software development. The collections of tools, libraries and ready-to-use components standardise and simplify the development process, which means a great deal of time can be saved when creating new applications. For example, the framework based on C++ Qt supplies diverse tools for the creation of cross-platform user interfaces; it is also convincing due to...

Monero XMR

Monero (XMR) – the anonymous cryptocurrency

Bitcoin is not the only cryptocurrency on the internet, nor is it the most useful one. The altcoin Monero (also known as XMR) offers users a high degree of anonymity which has always been an issue with the leading providers of cryptocurrencies such as Bitcoin, Ethereum and Ripple. With these providers, every transaction can be traced back but not with XMR. How does Monero ensure this high level of...


Wait! We’ve got something for you!
Get your .co.uk domain now, the first year is free.

Enter the web address of your choice in the search bar to check its availability.
12 month for £0/year
then £10/year