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The History of Programming Languages
Dozix007 writes "For 50 years, computer programmers have been writing code. New
technologies continue to emerge, develop, and mature at a rapid pace.
Now there are more than 2,500
documented programming languages and O'Reilly
has produced
a poster called History
of Programming Languages, which plots over 50 programming languages
on a multi-layered, color-coded timeline."
Somehow I think they missed the boat on that one. Delphi is Borland's Object Pascal in a GUI driven environment.
There is another programming language family tree on that page aswell. This was mentioned in a previous story.
People do not typically "flame" about VB's functionality, but rather the breed of programmers and the vendor,IDE and API lock-in which accompany it.
I want to delete my account but Slashdot doesn't allow it.
Actually, the statement
"Its really funny to hear people give the same arguments against Java and C# that are word-for-word the same as what was said about C." is so true as to be almost scary. I recently was looking at the huge arguments against C++ (vs C) and just about died laughing.
To me, it all comes down to two things:
1) Can I do (x) with (new language)?
2) Will it take me longer to do (x) with (old language) than it does with (new language)?
The whole concept of programming can be summed up that way. I have reached the sad state of no longer caring at all about language performance. I have such incredibly tight deadlines to meet now, with so few people, I have to say that programming time is worth dollars while execution time is only worth cents. Especially since about 75% of the work we do is for "one-off" or "disposable" projects. It sucks, but it puts food on the table.
-WS
An operating system should be like a light switch... simple, effective, easy to use, and designed for everyone.
Ugly and illegible are matters of opinion - most Lisp people will gladly trade a certain amount of syntactic suger for extensibily. `Slower than compiled languages' is just silly: modern (say, in the last 30 years) Lisp implementations are (a) compiled, and (b) not generally slow.
I know Lisp is not the ideal language - its ugly, illegible, and slower than compiled languages
Wait a minute. I have serious complaints about Lisp, but those are not among them. Let me take those in reverse order:
SLOWER THAN COMPILED LANGUAGES: No, there are compilers for both Lisp and Scheme that generate VERY fast code. There are interpreters that are as fast as Python that are nice to use during development, then you run it thru a compiler and the speed is on a par with C++, when performing similar operations. Of course a small amount of C++ code will often run much faster than a small amount of Lisp code, but that's because a small amount of Lisp code can say so much more than a small amount of C++ source can say. That shouldn't be counted against Lisp.
ILLEGIBLE: Not really, in my experience. I know what you mean, though. After a lot of use, it's still not quite as easy to read (for me) as something like Ruby or Python, which were already pretty clear even before I had written a single line of either. But it's nowhere near as hard to read as Perl still sometimes is for me, and I've been coding in Perl (occasionally) for a decade. Even C++, which I've done a lot of over the last decade, still gets pretty darned hard to read sometimes, such as when using templates to call old-style C APIs.
Lisp is a lot better than that. I've certainly grown to appreciate the way you can build abstractions out of abstractions and the top level is still called the same way as the bottom level. Self similarity at every level of abstraction, so you just have to think about the algorithms and not the syntax.
Trust me that, with practice, Lisp gets much easier to read, though it never seems to get quite as easy as something like Ruby or Python.
UGLY -- of course this is related to legibility. Again, I know what you mean, and I agree in some ways. A simple mathematical expression or loop is quite ugly, I think, compared to the same thing in Ruby or Python.
However, as soon as you leave the simple, built-in stuff and start building your own more complex functionality, you discover that Ruby and Python get uglier and uglier but Lisp still looks the same. As soon as you start trying to express really interesting algorithms (fancy searches, AI stuff, etc.), you'll see the beauty in the simple consistency of the syntax. (Much more true of Scheme than Common Lisp, BTW.)
So, no, I don't have any serious complaints in that regard. There's no speed problem at all and where it is harder to read, it's a small price to pay for the significant power boost that style of syntax gives you when working with really interesting problems.
So, what don't I like? The online community of users, for one. The misanthropes that took over comp.lang.lisp are pathetic. I've never seen a techical discussion group that hostile and defensive. Don't even think of asking them questions that might clear up some of your skepticism about Lisp. The fact that you have any doubts makes you unworthy of being treated with anything other than utter hostility.
They love Common Lisp like a religion, and hate everything, and everyONE else, even natural allies like Scheme. Common Lisp fossilized sometime back in the Reagan Administration and has since lost almost all ability to improve. As a result, the vast majority of former users have abandoned it and those who remain almost have to take a position that there is no further NEED for improvement except in trivial ways (more libraries, more "complete" implementations, etc.) that, if you think about it, are merely restatements of the "nothing needs to be improved" notion.
And that brings me to what I like least: it seems that the fundamental ideas underlying all forms of Lisp (incl. Scheme) are fascinating, and if redone in a way such as Paul Graham's Arc (www.paulgraham.com) could turn out to be a terrific language. Unfortunately, I don't see it happening. Arc is announcementware. It has shown no signs of life since its first few weeks. Com
"Those who have never entered upon scientific pursuits know not a tithe of the poetry by which they are surrounded."