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C++/CLI, Ecma TC39/TG5,and SC22/WG21
Site Administrator
01 April 2004 22:53:48 +01:00
There have been many languages for writing applications, but relatively few foundation platforms which support applications that are written in various different languages. We've had assembler (proprietary), then C (an ISO standard), and now we have the Common Language Infrastructure (CLI). The CLI standard is ISO/IEC 23271; the same content is also available online at http://www.ecma-international.org/publications/standards/Ecma-335.htm.
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A Python Script to Relocate Source Trees
Site Administrator
01 April 2004 22:53:48 +01:00
Files form the raw ingredients of a software system - source files, build files, configuration files, resource files, scripts etc. These files are organised into directories.
Note: when you create a new publication type, the articles module will automatically use the templates user-display-[publicationtype].xt and user-summary-[publicationtype].xt. If those templates do not exist when you try to preview or display a new article, you'll get this warning :-) Please place your own templates in themes/yourtheme/modules/articles . The templates will get the extension .xt there.
Editorial
Site Administrator
07 March 2004 19:37:32 +00:00
Back in 2001, the then-editor of C Vu, Francis Glassborow, announced his intention to pass the editorship of this journal on to a new volunteer, and so at the start of 2002 I took the reins. In fairness I should say that Francis gave me considerable support in putting together my first few issues, and to this day continues to invest a lot of time in preparing various sections of C Vu. Since the time I took over, a lot has happened. I personally have moved from Bournemouth to Bristol, from Bristol to San Francisco, and from San Francisco to San Diego. The last two moves are not entirely unrelated to a spirited young lass by the name of Désirée, who was also closely involved when I became engaged and then married. Between those changes and others, it is now time for me to step aside and look for a new editor for C Vu; I can no longer give the job the time and energy it warrants.
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Francis’ Scribbles
Site Administrator
07 March 2004 19:37:18 +00:00
Repository of Projects
We need to program in order to develop our programming skills. Anything more than the most trivial program takes time and effort. Most students (in the broadest sense of someone who is studying) find it hard to motivate themselves with projects whose end product is of little use or interest to them. It is much easier to put in the hours doing a job properly if the result is something we have a personal interest in.
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Letter to the Editor
Site Administrator
07 March 2004 19:37:00 +00:00
James,
I thought it was about time I wrote and introduced myself to ACCU members – it’s probably long overdue given that I’ve been production editor for the journals for a couple of years now (just over two years for Overload and eighteen months for C Vu, to be exact).
Note: when you create a new publication type, the articles module will automatically use the templates user-display-[publicationtype].xt and user-summary-[publicationtype].xt. If those templates do not exist when you try to preview or display a new article, you'll get this warning :-) Please place your own templates in themes/yourtheme/modules/articles . The templates will get the extension .xt there.
Professionalism in Programming #24
Site Administrator
07 March 2004 19:36:44 +00:00
“There is more to life than increasing its speed” - Mahatma Gandhi
We live in a fast food culture. Not only must our dinner arrive yesterday, our car should be fast, and our entertainment instant. Our code should also run like lightning. I want my result. And I want it now.
Ironically, writing fast programs takes a long time.
Optimisation is a spectre hanging over software development, as W.A. Wulf observed. “More computing sins are committed in the name of efficiency (without necessarily achieving it) than for any other single reason – including blind stupidity”.
It’s a well-worn subject, with plenty of trite soundbites bounding around, and the same advice being served time and time again. But despite this, a lot of code is still not developed sensibly. Programmers get sidetracked by the lure of efficiency and write bad code in the name of performance.
In these articles we’ll address this. We’ll tread some familiar ground and wander well-worn paths, but look out for some new views on the way. Don’t worry – if the subject’s optimisation it shouldn’t take too long...
Note: when you create a new publication type, the articles module will automatically use the templates user-display-[publicationtype].xt and user-summary-[publicationtype].xt. If those templates do not exist when you try to preview or display a new article, you'll get this warning :-) Please place your own templates in themes/yourtheme/modules/articles . The templates will get the extension .xt there.
do...while
Site Administrator
07 February 2004 19:37:48 +00:00
What can be said about C’s everyday do...while loop? It just does something while some condition holds. End of story, right?
No, of course not. That would make the title of this small article silly, so let’s cover two topics.
Note: when you create a new publication type, the articles module will automatically use the templates user-display-[publicationtype].xt and user-summary-[publicationtype].xt. If those templates do not exist when you try to preview or display a new article, you'll get this warning :-) Please place your own templates in themes/yourtheme/modules/articles . The templates will get the extension .xt there.
Code in Comments
Site Administrator
01 February 2004 19:38:18 +00:00
We have all seen comments in source files which look more like executable code than documentation.
The first line in the body of the for loop below is such a comment: you might expect to be able to remove the leading slashes and have code which compiles and runs, but functions slightly differently.
What did the author of this comment intend?
Example 0
for (Surfaces::iterator sf = surfaces.begin();
sf != surfaces.end();
++sf) {
// std::cout << "Drawing: " << *sf << "\n";
sf->draw();
}OK, I’m being disingenuous. I’m aware that the comment isn’t really a comment, it’s commented-out code. And, like any tolerant and capable programmer, by examining the surrounding context I can guess why this code has been commented out.
This article examines how to comment out code, then describes various problems which lead to code being commented out, before finally arguing that there’s often a better solution to these problems.
Note: when you create a new publication type, the articles module will automatically use the templates user-display-[publicationtype].xt and user-summary-[publicationtype].xt. If those templates do not exist when you try to preview or display a new article, you'll get this warning :-) Please place your own templates in themes/yourtheme/modules/articles . The templates will get the extension .xt there.
Comment on “Problem 11”
Site Administrator
01 February 2004 19:38:02 +00:00
The first step here in finding problems in the code is to identify the problem the code is trying to solve. The discussion in the C Vu article is basically about curiosities in the way in which the C++ standard library std::istream is defined, but I will make the perhaps unwarranted assumption that what the problem the code is really about is not the uses of std::istream, but rather, more generally, how to write a read routine that can effectively and safely capture data from an input stream. Actually as the first problem below illustrates neither of these issues can be effectively addressed without the other.
Note: when you create a new publication type, the articles module will automatically use the templates user-display-[publicationtype].xt and user-summary-[publicationtype].xt. If those templates do not exist when you try to preview or display a new article, you'll get this warning :-) Please place your own templates in themes/yourtheme/modules/articles . The templates will get the extension .xt there.
Student Code Critique Competition 26
Site Administrator
01 February 2004 01:21:34 +00:00
This item is part of the Dialogue section of C Vu, which is intended to designate it as an item where reader interaction is particularly important. Readers’ comments and criticisms of published entries are always welcome.
Note: when you create a new publication type, the articles module will automatically use the templates user-display-[publicationtype].xt and user-summary-[publicationtype].xt. If those templates do not exist when you try to preview or display a new article, you'll get this warning :-) Please place your own templates in themes/yourtheme/modules/articles . The templates will get the extension .xt there.
Note: when you create a new publication type, the articles module will automatically use the templates user-display-[publicationtype].xt and user-summary-[publicationtype].xt. If those templates do not exist when you try to preview or display a new article, you'll get this warning :-) Please place your own templates in themes/yourtheme/modules/articles . The templates will get the extension .xt there.
Note: when you create a new publication type, the articles module will automatically use the templates user-display-[publicationtype].xt and user-summary-[publicationtype].xt. If those templates do not exist when you try to preview or display a new article, you'll get this warning :-) Please place your own templates in themes/yourtheme/modules/articles . The templates will get the extension .xt there.
Note: when you create a new publication type, the articles module will automatically use the templates user-display-[publicationtype].xt and user-summary-[publicationtype].xt. If those templates do not exist when you try to preview or display a new article, you'll get this warning :-) Please place your own templates in themes/yourtheme/modules/articles . The templates will get the extension .xt there.
Note: when you create a new publication type, the articles module will automatically use the templates user-display-[publicationtype].xt and user-summary-[publicationtype].xt. If those templates do not exist when you try to preview or display a new article, you'll get this warning :-) Please place your own templates in themes/yourtheme/modules/articles . The templates will get the extension .xt there.
Note: when you create a new publication type, the articles module will automatically use the templates user-display-[publicationtype].xt and user-summary-[publicationtype].xt. If those templates do not exist when you try to preview or display a new article, you'll get this warning :-) Please place your own templates in themes/yourtheme/modules/articles . The templates will get the extension .xt there.
I_mean_something_to_somebody
Administrator
03 December 2003 13:16:02 +00:00
This article reports on an experimental study, performed during the 2003 ACCU conference, that attempted to measure one particular aspect of developer identifier meaning assignment behavior. The study investigated the extent to which belief in the applicable application domain affects the meaning assigned to identifier names.
Note: when you create a new publication type, the articles module will automatically use the templates user-display-[publicationtype].xt and user-summary-[publicationtype].xt. If those templates do not exist when you try to preview or display a new article, you'll get this warning :-) Please place your own templates in themes/yourtheme/modules/articles . The templates will get the extension .xt there.
Note: when you create a new publication type, the articles module will automatically use the templates user-display-[publicationtype].xt and user-summary-[publicationtype].xt. If those templates do not exist when you try to preview or display a new article, you'll get this warning :-) Please place your own templates in themes/yourtheme/modules/articles . The templates will get the extension .xt there.
Note: when you create a new publication type, the articles module will automatically use the templates user-display-[publicationtype].xt and user-summary-[publicationtype].xt. If those templates do not exist when you try to preview or display a new article, you'll get this warning :-) Please place your own templates in themes/yourtheme/modules/articles . The templates will get the extension .xt there.
Note: when you create a new publication type, the articles module will automatically use the templates user-display-[publicationtype].xt and user-summary-[publicationtype].xt. If those templates do not exist when you try to preview or display a new article, you'll get this warning :-) Please place your own templates in themes/yourtheme/modules/articles . The templates will get the extension .xt there.
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