Feature Articles

Applying C - Fixed Point Arithmetic
Harry Fairhead

If you are working on an IoT project you cannot avoid calculations. Fixed point arithmetic is still occasionally useful but it hardly figures in most accounts of how to do calculations. This extract is from Harry Fairhead's book on using C in an IoT context that is part of the growing I Programmer Library from I/O Press.

If you've never encountered WPF (Windows Presentation Foundation) you are missing a versatile tool. This article is part of a series devoted to it. XAML can be confusing - especially if you think it is a markup language like HTML. It isn't. XAML is a general purpose object instantiation language. To find out what this means read on. 

News

HackerEarth Reveals Devs Desires For Change
13 May | Janet Swift

HackerEarth is sharing the results of its Developer Survey for the first time and provides some interesting findings about the relationship between happiness and work environment and the factors that would help them be more productive. 

Charles Bennett, Gilles Brassard and Peter Shor were recently honored with the BBVA Frontiers of Knowledge Award in Basic Sciences for their outstanding contributions to the field of quantum technologies.

The ScyllaDB team has included a DynamoDB-compatible API to the new release of  the open source NoSQL database. Other improvements in ScyllaDB 4.0.include a more efficient implementation of Lightweight Transactions and support for Change Data capture.

An open source research tool and application that looks into the circumstances in which Android's permission model can be compromised to harm user privacy.

At its virtual conference Satellite 2020, GitHub announced several improvements for developers working in teams, including a discussion tool for chatting outside the codebase, and improved code scanning.

Today marks the 90th anniversary of the birth of Edsger Wybe Dijkstra, whose paper "GOTO considered harmful" not only initiated an enduring debate but also set a trend for headlines that extended into other disciplines. He made many other significant contributions that shaped and influenced the field of computer science and is known for witty aphorisms.

There is a deep affinity between math and art. There is beauty in mathematical symbols and the forms that they describe. Every year the American Mathematical Society (AMS) organizes an art exhibition and awards prizes.

DrawSQL, a SaaS platform for visualizing databases schemas, has made over a hundred database diagram templates available for free. The high quality collection comprises schemas by real world applications and open source packages like Django, Laravel or Wordpress.

Linux usage more than doubled during April, increasing from a share of 1.36 percent of all desktop operating systems in March to 2.87 percent in April. Much of the increase was seen in Ubuntu.

Insights from 24,000 Python developers from more than 150 different countries reveal that JavaScript is the most common language used in combination with Python, data analysis is the main motivation for using it, and Linux is the most popular OS.

Redis 6 is now generally available with threading for I/O. Until now the in-memory database didn't support multithreading I/O because it would complicate the Redis sharding model, but it's now available as an option and can improve Redis I/O performance to twice that of Redis 5.