skysight-inc/HackerNews huggingface dataset:
Of the current suite of top 20 languages at TIOBE (which for all its faults is as good as any other top-20 list), the ones that I know of that have heavy pedagogical backgrounds (that is, designed to teach students, not merely used to teach students because they were already popular) would be Python, Visual Basic, and Pascal, with Python's background probably being the most recent with its ABC predecessor, which some Googling suggests dates to the late 1980s, at which point the other two were already heading down the "industrial strength" path. Those would be the most interesting to test.

(If you're in a hurry to mention Scheme, that's #27. And on the list of "pedagogical languages" it would still be beaten by Logo at #23, which, frankly, is a sign we probably shouldn't trust the list at all below about #20....)
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https://github.com/antoinehersen/petitML

Lambda calculus to PPC assembly.
Nice work.

What I would like to see is automated testing on different mobile browsers (on real devices).

Anyone have pointers for such tools? Thanks.
It reminded me of the death of Push Singh a few years ago, after I just started to know him personally. Rather than focusing on the woe, we tried to celebrate his life, achievements, and great inspirations he had brought us. It's really difficult to handle such sadness, but I guess it's very important for the rest of us to think about how we may continue their good will to advance the way we live and think, to inspire others, and to change the world to a better place.
Fair point. They can't, for example, randomly generate language semantics (how the hell would that work? :)

All in all, though, this paper goes much further in trying to derive language usability than any I've seen. And it does seem disturbing that randomly selected characters (even for a subset of the language) should fare as well as Perl's hand-picked syntax.
"Online community" can mean many things. What sort of business do you do?
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At the Corning Museum of Glass in upstate NY too. (They picked one a day drawn by visitors; my family didn't win, unfortunately.)
"what works for beginners is not necessarily what’s best for experts.... this study by itself isn’t proof that it’s objectively bad for the people who use it heavily."

More than that. Three languages were chosen. One was based on what previous studies had shown works, and one sounds like it was basically a ROT13'ed perl (only with symbols), and from what some were saying on Reddit it was an overcomplicated dialect of perl (though IMHO that would change little). Then, in a study in which they pitted Perl against a language designed to do well in studies, the language designed to do well in studies prevailed.

Even though I do question whether there may be a wee whiff of tautology about this whole exercise, this is interesting because it shows that studies may be able to distinguish between the features of two languages w.r.t. how easily they can be taught and learned. This is valuable stuff, millions upon millions of dollars to society's worth of valuable stuff. What it says about Perl is simply that it was not designed to do well in such studies, quelle surprise, and in particular it doesn't say anything at all about Perl relative to any other real language. $YOUR_FAVORITE_LANGUAGE may well have fared worse, and $YOUR_MOST_HATED_LANGUAGE may well have fared much better.

It is a true shame that the underlying valuable message of the study is being missed by so many people in a tearing hurry to go "hurr hurr, perl t3h suckz, hurr hurr".
What an awful title.

What a silly thing to test in isolation; does the syntax of a programming language present a greater barrier to a novice than the semantics of programming?

A better study would have controlled for the ability of the eighteen participants to describe their algorithms in pseudocode.
WARNING THIS WILL GET Your BLOG NOTICED
What crime is that?
There's one piece missing from the show and tell portion: Can you add what the request looks like in your logs when a user clicks on that link? Bonus points if you provide an example of a click from the non-signed in http version.

How much does this change impact you? How many visits are from google searches? How many users are still coming from http google?
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I think TV journalism isn't American media's stronger suite, but you could fairly say that globally Fox News is the rule rather than the exception.
Another and well written article on the same subject:
http://www.dustincurtis.com/you_should_follow_me_on_twitter....
They do this so that they have more ways to contact you if you are a match some day. Apparently not being able to contact matches, due to outdated contact info, is a big problem. Like, on the order of 50%. It's still annoying but at least it has a legit purpose.
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I hate to sound negative, but things won't get better. OK, this month has been a shocker, but next year might be just as bad.

The real fundamentals of computing happened a long time ago. Hero of Alexandria, some Chinese and Islamic scholars, Albertus Magnus, Roger Bacon, Charles Babbage, Ada Lovelace, Joseph Marie Jacquard, Turing, non Neumann. But progress was linear, not exponential - the tools they made were so impractical that they didn't make further tools easier. You used a computer as a curiosity, or to solve a specific problem, not to build a better computer.

Then the singularity hit. Computers got faster, IO got richer, and you could practically write computer programs that would help you write computer programs. It's hard to say exactly when that happened, but the inventions of C, UNIX, and Lisp were certainly part of that critical period in history. This shift started around the mid-1960s to early 70s.

The people who were working on it are now in their 60s and 70s. The next generation (who are in their 50s and 60s) wasn't just inspired by them, they were given very useful tools, which made later advancements easier. It's easier to write a C++ compiler if you already have a C compiler. It's easier to write git if you have a CVS repo to store your work in. People no longer had to bootstrap using nothing but assembly, they started with a sound foundation, and could iterate.

Because of the work of these founders, I think there's a lot more icons left.
Also have been reading since the beginning. As good of writing as you'll find.
I loved this story (very wry), but not enough to overcome my innate pedantry...

> As part of a 20 minute show, R781 clothes itself as it was at the time of its adventure with the baby and answers the visitors' questions

If not saving a life, would not any command to imitate a human be insufficient to overcome the prohibition against this? To do so just for the sake of a show is a weaker reason than those given in the text.
I am a fan of http://www.sebastianmarshall.com/ . He writes very well and happens to share some very interesting information.
Mine was the opposite experience. It wasn't really the same situation as yours, so maybe this is totally irrelevant. But here's my story, just incase.

My health insurance denied my coverage for a Dr's appointment ("pre existing condition") a month or two after the appointment. I had moved by then, and apparently the mail didn't get forwarded or something. The dr's eventually turned me over to some California collection agency who then wrote letters to the same address, with the same result. They did leave an incoherent, mumbling voicemail once, which sounded like a telemarketer (hence I ignored it).

To my eternal horror, my credit score dropped from 762 to 630 in June. Over 130 points, over an $80 bill. This means I went from "higher score than 86% of Americans" to "higher than 24%".

It has utterly destroyed me. I have no credit anymore. I've been too scared to even apply for another credit card (I only have one), even though "you're supposed to every N years", for fear it would drop my score even further. I have a wife, and our credit prospects went from "could not be better" to "completely, utterly screwed. Good luck if your car dies. Also, good luck getting any kind of AT&T service, Internet service, etc etc when you move again."

They showed no remorse at my situation. The lady assigned to my case even directly hung up on me when I expressed annoyance about her not attempting to contact me more... Thoroughly... Before she decided to ruin my family's financial life. I immediately called back, which rang and rang until reaching her voicemail. I contacted her manager, who said that the lady assigned to me was the final authority on my case, and had not acted inappropriately by hanging up. Nor did they care that the mail hadn't reached me. The worst part was, I had the money the whole time. I would have paid.

Don't take bill collectors lightly. They'll break your family's financial knees over $80, as they did mine. (Edit, clarification: they will report your bill as "seriously past due 90 days / account in bad standing" or some such, which will destroy your score at all 3 of the credit bureaus; hence, the whole system will break your family's financial legs.)
There are some issues with using NG: http://www.mspaforums.com/showthread.php?42891-Andrew-Hussie...
Valve cofounder explains Steam's ongoing price experiments
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In the case of sheet music it's more about adapting yourself to the standard, so that when you write down music and some random guy in Russia writes down music you can both understand what you wrote without difficulty. (Unless you're that classical asshole who does C sharp sharp).

Most jazz musicians I have talked to and taken clinics from really don't like sheet music though, as it is an ineffective and inconcise way to represent a tune's structure and melody, hence why they prefer charts. Charts really are worlds ahead of sheet music in my opinion.
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Thanks a bunch for that tutorial! It demystified language implementation and taught me a little Haskell along the way. Oh and showed me the beauty of parser combinators.

(I didn't run very far with it but here's my code if anyone is curious: https://github.com/samsonjs/elschemo/blob/master/lisp.hs)
sunelec.com,
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Inverter $0.5 watt,
Rails and Cables $0.27 watt.

In my area I expect to save .18 cents per year per peak watt.

Prices have been falling at 1-2 cents a week since june.

http://pvinsights.com/
This is really quite interesting, but only from a social sciences perspective. Here's where social sciences and real socialization differ: the plural of anecdote is data in the real world. Here's a great example: "He asserts that being restricted to a real name (G+ no longer does this) rather than anonymity or a pseudonym is incorrect, because it restricts what we do and share. Is he wrong? Yes, absolutely."

How many gay teens are posting on LGBT support and community sites using pseudonyms because they don't want to publicly out themselves? How many people are posting about breaking DRM anonymously or under pseudonyms to get around draconian laws? These directly fly in the face of the assertion that requiring your discussions and actions to be tied to your real name doesn't impact what you say or do. There's value in real-life identities, but that does not in any way diminish the value of anonymity and pseudonymity.
How did you get from 0 to 10k users? What approaches did you try that worked/didn't work?
This is true for deep space satellites and locations where running a power line is cost prohibitive, such as weather monitoring stations in Antarctica.
I think Forth is particularly notable for providing metaprogramming facilities which are arguably on par with Lisp while taking a completely different approach. Lisp represents code and data the same way and can manipulate both with ease.

Forth has what might be described as an "interactive compiler" which can be easily extended during the compilation process. Since an immediate word can hijack the parser, you could theoretically build Forth out into a reasonable facsimilie of any other language if you so desired. These capabilities are already used in most Forth distributions to provide things like flow control, comments and string literals.
What it says about Perl is simply that it was not designed to do well in such studies...

I disagree. If it says anything, it's that if you give bad code to people who don't know anything about programming, they'll have trouble writing good code.
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In the 1990s I did mostly C, but in the 2000s I did mostly Kawa Scheme. Java class libraries, especially JDBC, are what led me to choose a Java-based implementation.
Neat! Not only is it a good idea, from the blog posted in other replies, the execution was impressive as well.
How you monetized it. At what point did it become profitable? What do you think the draw was for membership?
More technically polarization filters. Laptop/Desktop manufacturers usually sell these at an obscene price, but there has to be a place to get them for a more reasonable price.
I had trouble following the train of thought in this article; it may be too "stream of consciousness" for this particular audience. While this may be a problem between my keyboard and chair, I do not generally find HN articles hard to follow.
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Lisp and Haskell to my mind form the two leading languages of two fundamentally contradictory families. Lisp works by empowering programmers and building on that power, and Haskell works by limiting the programmer and building on those limitations. Despite what the leading word "limitation" may lead you to believe, both philosophies can lead to great results. For example, for the same basic reasons you can't even build an STM in C#, it's probably even more impossible to build an STM in Lisp, whereas in Haskell it's pretty easy, because of the limitations.

You can not just macro your way in a (conventional) Lisp over to Haskell, because Haskell is fundamentally built on limitations being not merely suggestions, but things you can then further build on. If you do, with something like Clojure and its data model, you've got something that isn't the same language any more, and you need all-new libraries to make it work.
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It means someone important to the community has died. Today is was John McCarthy.

PG: Perhaps the black band should be a click-able link?
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It's also true in parts of Florida. In rural areas, PV can be cheaper than paying the power company to run out their lines. I expect, in five years, it'll be worth my while to put them on my house, in the middle of the city.
I've found Travis Bradford's book Solar Revolution to give a good overview of the solar industry, with the same numerate feel as this article: http://www.prometheus.org/research/solarrev

The best rebuttal I've heard (to renewables generally, not PV specifically) is the second to last chapter of Matt Ridley's The Rational Optimist: http://www.rationaloptimist.com/books/rational-optimist-how-...

(Sorry I can't link directly to the content, but so far as I know, it's not available online in either case.)
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A Kernel interpreter in C: http://www.bitbucket.org/AndresNavarro/klisp

Just this week I got my first fork and a bunch of nice contributions.
Well it certainly shows you how BAD/OLD the CMCL and ACL Garbage Collection code/algo's were (at least when I last used them in 2006). In ACL you could get these LispMachine-like multi-hour GCs. Now we use tons of GC based systems everyday (like browsers) without having to reboot too frequently.
Ah... I had a hunch it might have something to do with that. and I definitely second the click-able link part.
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Is the black stripe similar to when Leela was impulsive and had a crazy stripe on her boot? I like it, don't kick me into a pit with carnivorous ant-eaters
http://zwizwa.be/-/libprim/

Lisp in 3 stages: primitive data, composite data, composite functions.
I lost it at "Sole Ownership of MySpace.com".
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For that case, I agree with you. Where I refute Moot is where he calls the model of reality-reflected identity on Facebook incorrect, which comes off as essentialist. Imagine if Facebook at the start tells you to choose any name of your liking. On a social network, how effective would the content that you'd rather post under a pseudonym be? The idea is that without Facebook, the share-ability of such content would be diminished. So my argument, admittedly unclear in the post, is that pseudonymity and anonymity actually derive their audience from the effects of rigidly reflected identities--but if you throw out the strictness that Facebook imposes entirely, on Facebook in particular, your audience size dries up considerably. People feel comfortable SHARING from a point of forced identity, but their will to EXPRESS themselves is most manifest in anonymity and pseudonymity. Expression without an audience is almost meaningless. It's a foundational issue.
Can you elaborate how Racket is evidence against that statement?
> Mothers sometimes like to have their pictures taken standing next to R781 with R781 holding their baby. After many requests, R781 was told to patch its program to allow this.

This suggests, to me at least, that there may have been other patches over the years. Certainly, nothing in the story precludes this.
Netflix Instant works fine on my friend's iPad 2 though.
Unless I missed something, I don't think being easy for novices to use was one of Larry's design goals for Perl. Nevertheless, I found Perl pretty easy to learn, and it's the only language I ever "stuck with" long enough to build complicated programs.
This is asked almost every single time there is a black line.
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If it wasn't for the Microsoft logo at the back, I would have thought this was an Apple store.
Are there any modern people who make great contributions to science who are not Jewish? As a non-Jewish person, I'm thankful for what Jews have given the world. Thank you Mr. McCarthy.
haha... really? Probably a good reason to make it clickable ;).
Jesus man, I'm very interested in this topic yet I still had a terrible time working through that brain dump. Superfluous acronyms, overly verbose, excerpts from (egads!) your undergrad papers! What the hell, man. Are you trying to appear smart for your professor or are you trying to persuade nerds with ADD? It can't be both.
>>(And that's why I don't like bike lanes, because they make doing the wrong thing feel like "the law". "There's that stripe, so I must make my left turn from the curb, that line on the road says so." Then they die and everyone whines about how dangerous cycling is.)

... or they don't turn from the curb, cut over to the left lane and drivers get pissed because "my tax dollars paid for that bike lane and you'rs still blocking me" I agree, there's really no way to win.

Have you checked out the new cycle lanes on Kinzie/Jackson yet? What are your thoughts? I haven't been able to get down there yet (I'm in MKE and life keeps getting in the way) but I feel like I myself would hate riding in them. Of course the advantage is that these new bike lanes (protected and otherwise) might draw out far more riders than we see currently. It's a hard dilemma for me because I want to see more people biking and accepting bikes on the road, but I still want to be able to go my own speed and safely mingle with traffic to get where I'm going.
How big was the world's population when you were born?
Any startups incorporated in Singapore?
Just wondering if anyone has incorporated in Singapore, and if so wouldn't mind mentioning their experiences.

http://www.doingbusiness.org/reports/global-reports/~/media/FPDKM/Doing%20Business/Documents/Annual-Reports/English/DB12-Chapters/Executive-Summary.pdf
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Their main competitive advantage was their physical delivery infrastructure, which is very hard to replicate. If the DVD business dies slowly (as Hastings said it will) and is replaced by streaming, they are left with no competitive advantage. There is a good many companies that have the infrastructure to stream a large amount of video content (Amazon, Google, Akamai, etc). All of these companies will lack any competitive advantage , and will be squeezed to the last cent by the content providers, leaving them with just enough cash to run their infrastructure. This doesn't sound like a great business model.
I have a feeling it will go away after halloween.
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Good copy/paste: Anything boilerplate such as manually initialized structures/arrays of stuff, language-specific boilerplate (Java comes to mind here) that is essentially the same repeated shit but you gotta do it anyway, unrolling loops, setting up switch statements. Anything unavoidable (or too expensive to refactor) that's repetitive.

Preprocessor macros: Code generators, compile-time switchable code (such as logging) without filling your source files with #ifdefs

Goto: Managing complex resource allocation/deallocation within a function:

bool success = false;
int fd = -1;
char* memory = NULL;

fd = open(filename, "rb");
if(fd == -1)
{
LOG_ERROR("Could not open %s: %s", filename, strerror(errno));
goto done;
}

memory = malloc(BUFF_SIZE);
if(memory == NULL)
{
LOG_ERROR("Out of memory");
goto done;
}

for(blah blah blah)
{
if(failed to read or whatever)
{
LOG_ERROR("It's borked");
goto done;
}
}

...
success = true;

done:
if(memory != NULL)
{
free(memory);
}
if(fd != -1)
{
close(fd);
}
return success;

I disagree that dismissing a tool out of hand as an "abomination" is a commendable approach. If you take that attitude (or instill it in others), you'll probably never learn the proper use of such a specialized tool, leaving you ill-equipped to deal with the situations those tools handle well.
Ouch - I would contact each of the credit bureaus and ask them to remove the claim. It was purely a communications error because, as you said, you're willing and able to pay the bill.

(I'm not sure who the "they" is, hopefully not the credit bureau :(
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The typeface used in these slides is Yanone Kaffeesatz, one of the free google web fonts:

http://www.google.com/webfonts/specimen/Yanone+Kaffeesatz
So let's say you get a Crunch bar. You unwrap it and take a bite. It fills your mouth, and you taste chocolatey goodness. You chew on a little. Crunch, crunch. Your mind drifts off a bit and you swallow a mouthful before going to take another bite. This is exactly the kind of direct, physiological pleasure $1 can get you, and it's something we've enjoyed for billions of years, and spent all that time evolving new strategies to achieve.

You know what doesn't have trouble selling online? Sex. Anything from escorts to live cam shows to porn. Why? Because that's another direct, physiological pleasure we've had for billions of years.

Now tell me, what kind of web services compete with eating and fucking in terms of what people really want?
Or a Gateway store.

http://www.vizwerks.com/porfolio/pages/gateway.html
Both Moot and the author are correct.

It is well accepted that anonymity brings out the worst in people (the author has said so himself). It is also understood that context guides behaviours. For example, one might be more disinhibited on a tropical holiday. Another example is footballers behaving badly on tours. Another one is the unbelievable atrocities soldiers commit away from their home "context".

Moot's thesis is that people become interesting when you provide them a different context, while the author is saying that it is far healthier to have one well integrated identity.
What do you think of Clojure? (if you've checked it out)