Many software development organizations fail to follow these principles and pay the price, which can lead to failure. Google mostly doesn't make the mistakes of going against them, though some projects at ITA used to.
1. Every change should be reviewed, seriously Code reviews not only improve code quality by having more eyes to find bugs ( Read more... )

Boston Lisp Meeting:
Thursday 2012-10-04
François-René Rideau on LIL: CLOS reaches higher order, sheds identity and has a transformative experience

http://fare.livejournal.com/tag/boston-lisp-meeting

A Boston Lisp Meeting will take place on Thursday, October 4th 2012 at 1800 at MIT 32-D463 (Star conference room). François-René Rideau will speak about ( Read more... )

My local repository of XCVB is in a transient broken state in the beginning of a big refactoring. I've decided that it was easier to declare it broken, then take each file one by one in order, update it, add tests to it, and declare it fixed before I get to the next one.

But more interestingly, in my next rewrite of XCVB ( Read more... )

Amongst the little Common Lisp projects I have been working on at ITA, that we have published as free software, there is single-threaded-ccl, a small modification to Clozure CL (CCL ( Read more... )

I am always amazed when people fail to distinguish between constants and variables. I am all the more amazed when the victims of such confusion are the otherwise brilliant implementers of programming languages. You'd think that if anyone knows the difference between a variable and a constant, it would be a programming language implementer.
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Common Lisp pathnames have long been a source of frustration ( Read more... )

If you neglect some aspect of computation in designing your programming language, then the people who actually need that aspect will have to spend a lot of time dealing with it by themselves; and if you don't let them do it by extending your language, they'll have to do it with inarticulate barkings rather than civilized sentences.
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I'm glad to announce the first public release of XCVBthe eXtensible Component Verifier and Builder for Common-Lisp ( Read more... )

Long ago, assembly languages were endowed with expressive macroprocessing facilities ( Read more... )