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Running CodePeer on the code detected some possible range check failure, that upon manual analysis corresponded to code being made unreachable by the recent fix.
Initially, we extracted the Get_Line function and related subprograms in order to analyze them more easily with our various static analysis tools. He did well, as in the process we uncovered 3 more bugs. So he challenged the SPARK team at AdaCore in checking the correctness of the patched version. My colleague Ed Schonberg who fixed the code of Get_Line had nonetheless the intuition that this particular event, finding such a bug in an otherwise trusted legacy piece of code, deserved a more in depth investigation to ensure no other bugs were hiding. That was puzzling for a central piece of code known to have worked for the past 10 years! But fair enough, there was indeed a bug in the interaction between subprograms in this code, in boundary cases having to do with the size of an intermediate buffer. When the last line of the file was of a specific length like 499 or 500 or 1000, and not terminated with a newline character, then Get_Line raised an exception End_Error instead of returning the expected string. We feel it is safe to say that this is the most useful book you will buy this year.Just a few weeks ago, one of our partners reported a strange behavior of the well-known function Ada.Text_IO.Get_Line, which reads a line of text from an input file.
#Prison architect script debugger keeps popping up software#
With the success of Joel on Software, there has been a strong demand for additional gems and advice, and this book is the answer to those requests.Ĭontaining a collection of all–new articles from the original, More Joel on Software has even more of an edge than the original, and the tips for running a business or managing people have far broader application than the software industry. Spolsky's extraordinary writing skills, technical knowledge, and caustic wit have made him a programming guru. This weblog has become infamous among the programming world, and is linked to more than 600 other web sites and translated into 30+ languages!
#Prison architect script debugger keeps popping up how to#
Joel Spolsky started his weblog in March 2000 in order to offer his insights, based on years of experience, on how to improve the world of programming. This is a new selection of essays from the author's web site.
With Joel's newest book, More Joel on Software, you'll get an even better (not to mention updated) feast of Joel's opinions and impressions on software development, software design, running a software business, and so much more. So, we went back to the famed archives and pulled out a new batch of favorites, many of which have been downloaded over one million times. Since the release of the bestselling title Joel on Software in 2004, requests for a sequel have been relentless. And then I had this epiphany: I'm a publisher, I like reading his stuff, why not turn it into a book?…
#Prison architect script debugger keeps popping up series#
And I, like many, was hooked both by the series and the occasional random essay that Joel wrote. In particular, he was writing this ongoing series about how bad most user interfaces were-mostly because programmers by and large knew, as Joel and I would say, using the same Yiddish–derived NYC vernacular that we both share, “bupkis” about what users really want. Anyway, one day I came across this web site called, which was run by a guy with strong opinions and an unusual, clever writing style, along with a willingness to take on the conventional wisdom. …I was learning the hard way about how to be a publisher and probably spending way too much time looking at web sites and programming than I should have in response to that.
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