Bertrand Meyer's technology+ blog
Software engineering, programming methodology, languages, verification, general technology, publication culture, and more
A third ACM webinar this year (after two on agile methods): I will be providing a general introduction to Design by Contract. The date is this coming Thursday, September 17, and the time is noon New York (18 Paris/Zurich, 17 London, 9 Los Angeles, see here for hours elsewhere). Please tune in! The event is … Read more
Programming, wrote Dijkstra many years ago, is a branch of applied mathematics. That is only half of the picture: the other half is engineering, and this dual nature of programming is part of its attraction. Descriptions of the mathematical side are generally, in my view, too complicated. This article [1] presents a mathematical theory of … Read more
My colleagues and I have just finished recording our new MOOC (online course), an official ETH offering on the EdX platform. The preview is available [1] and the course will run starting in September. As readers of this blog know, I have enthusiastically, under the impulsion of Marco Piccioni at ETH, embraced MOOC technology … Read more
It is remarkable that almost half a century after Dijkstra’s goto article, and however copiously and reverently it may be cited, today’s programs (other than in Eiffel) are still an orgy of gotos. There are not called gotos, being described as constructs that break out of a loop or exit a routine in multiple … Read more
Book announcement: Agile! The Good, the Hype and the Ugly Bertrand Meyer Springer, 2014 (just appeared) Book page: here. Amazon page: here. Publisher’s page: here A few years ago I became fascinated with agile methods: with the unique insights they include; with the obvious exaggerations and plainly wrong advice they also promote; and perhaps most … Read more
(Adapted from an article previously published on the CACM blog.) Often, you will be told that programming languages do not matter much. What actually matters more is not clear; maybe tools, maybe methodology, maybe process. It is a pretty general rule that people arguing that language does not matter are defending bad languages. Let us … Read more
For almost anyone programming in Eiffel, contracts are just a standard part of daily life; Patrice Chalin’s pioneering study of a few years ago [1] confirmed this impression. A larger empirical study is now available to understand how developers actually use contracts when available. The study, to published at FM 2014 [2] covers 21 programs, … Read more
The SCOOP concurrency model has a clear division of objects into “regions”, improving the clarity and reliability of concurrent programs by establishing a close correspondence between the object structure and the process structure. Each region has an associated “processor”, which executes operations on the region’s objects. A literal application of this rule implies, however, … Read more