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"5/5 (or whatever the scale is) means that you can accomplish the most advanced task possible in the language"

I appreciate your sympathy. I have no problem with people who are born into scripting languages. Personally I started with C, C++ and worked on few scripting languages. My question came from more of curiosity. There is more learning curve in low-level languages because the very structure of your code can affect the memory foot-print of your programs and that requires careful crafting of data-structures and algorithms. At a scripting language level you are in a virtual "world". It does allows you to SOLVE pretty advanced problems but it does not necessarily translate into your expertise in the scripting language itself. For example, I might use Ruby to create true AI system but in the end its the algorithm that mattered not my knowledge of the language.
Awesome results. I congratulate you, Jarrod. Your book is exactly what I need (I'm a sales geek running a custom software development agency, and I'm design-challenged). I just bought your book via a retweet I stumbled upon yesterday.

Your blog post will also do me a lot of good, since I'm writing a book aimed at tech geeks as well. Thank you for writing it.
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OK, so there's no law that says you have to go out and buy dental and vision insurance at the same time, but it's a really smart way to do things.
How many times do we have to make the argument that Apple doesn't run the app store to make a profit?

Please look at any Apple quarterly statement. There you'll see that the margins of the app store are in the low single digit percent range, whereas hardware has over 30% or even 40% margins.

That's what Apple is doing both with iTunes and the app store. Which doesn't mean this will always be the model - the rumored Apple TV could be different, there Apple could make most of its money selling services, while selling the hardware at cost. Maybe. Who knows. But the app store, and iTunes are merely feeder operations supporting hardware sales.
Interesting... I was looking at the word "Macbook".
Thanks for clarifying. I'm a bit disappointed in Google about this. I would much prefer the apis to be shared completely between the 2 models and don't see why they can't be.

Also, installable web apps should be something not specific to Chrome. Why not make this an open standard so I can install my apps to other browsers without extra effort from the app developer.
I still can't believe people are paying this much attention to a glorified text editor.
How is slapping a new UI on top of email 'revolutionary' and lead to the 'future of email'?

I think a lot of us are living under the delusion that we can fix any problem with a new UI.
> due to high-speed filming

The laggy footage starting at 0:28 looks like real-time to me. You can see the crosshair falling behind at 0:35 too, and that's clearly normal speed unless the guy can do handwriting in slow-motion. And I can't think of any way a high framerate would affect the perception of lag when played in realtime.
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These lists always miss the point.

For example, the list is most likely right about sleep. However, if you're not sleeping enough you'll most likely say "It's ok man, it's under control".

Only when experiencing personally the damages of sleep deprivation you'll say "I should sleep more". Not because you read it on a list or your friend tells you.

As for six packs, yes, it's important, because it will insulate you from 95% of back pain. But who's going to do stomach crunches after reading such list?

Céline said it better than me: Experience is a lantern that lights only the carrier (L'expérience est une lanterne qui n'éclaire que celui qui la porte).
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So?

That's a limitation of the license, not of the app store. Why should the app store have to accommodate all sorts of licenses?

Nobody reads license info anyway - I, and probably everyone else except Richard Stallman himself just click on OK and hope for applicable laws to protect me in case the license should contain unacceptable terms.

iOS got this right, and the GPL got it wrong.
I totally agree. I would not write web services in C++ unless I have only one computer and million users.
There's an extension[1] that does this. I'm now tempted to install it, at least until I find a way to back out the SCREAMING new menus. With that said, I've been using the beta for a couple months and it seems both snappier and more stable than 2010.

[1] http://visualstudiogallery.msdn.microsoft.com/bdbcffca-32a6-...
I like the page - it's unconventional but very clean.

If I had an iPhone (and hadn't already life-hacked my inbox) I'd give you feedback on the app too. ;)
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3 months of programming and already had a glimpse of Haskell, I'm really impressed.
I'm struggling to find time to learn it a little, and during the last 10 years since I first heard about it I hadn't had enought time (the only haskell code I "do" is xmonad.hs :)
That sounds pretty interesting. Do you happen to have the full list of code-word's available?
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The stuff you mention about muscle/movement artifact for the NeuroSky device is not entirely accurate.

Check the April edition of the journal Clinical EEG and Neuroscience http://eeg.sagepub.com/ (out soon) it has a paper about the validity of the NeuroSky device.

Happy to talk about this more if you're interested.

sjohnsto@uow.edu.au

Dr J.
Does this make anyone worry that Facebook's reaching for some really desperate (and scary) ideas of generating ad revenue/recognition?
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I am becoming a big fan of the free to play model. I think it serves a lot of players well:

* When you're a kid, money is a scarcity. I would have loved to have had a bunch of quality F2P games when I was a kid. (Of course, these games tend to be online-based and the commercial Internet wasn't around back then, kids today don't know how good they have it, off my lawn, etc etc)

* When you're a working adult, it's free time that's the scarcity. I'm happy to throw some coin at Tribes: Ascend to give me some of the equipment that I wouldn't have the time to grind and unlock.

* If you're my wife, it's interest level that's the scarcity. She finds game here and there that really grab her interest, but everything else just gets a "meh". F2P means the ability to sample, no sunken cost besides a little bandwidth usage. It's better than demos were, because if the game is a winner, there's no transition hassle from demo to full product - you just keep on playing.
Did you try Play? IMHO, Java sucks less with Play framework. When you have Java Play, there is no advantage in using Scala. (Personal experience)
If I could do it over, I'd read O'Brian's novels with several months to a year between each one (perhaps one every winter and summer solstice). There's really something to be said about savoring such an authentically detailed, nuanced, and intellectual universe.

As it is, I find my recollections of the Aubrey-Maturin adventures muddled and vague, since I burned through the first 20 at an addict's pace. Not recommended.
> If you get people hooked on the gameplay they'll pay for silly extravagances.

Some part of me is picturing them becoming the most successful virtual haberdasher ever.

http://wiki.teamfortress.com/wiki/Hats
r0fl what a joke of an article.

desire, desire, desire
:-) looking forward to meeting your guys later
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I really don't get what you mean by that last statement. iOS like OSX is a UNIX operating system hence contains hundreds of libraries.

And developers are more than able to use libraries in iOS. They can create them, use shared libraries or frameworks. None of which stops you from releasing apps.
The statutory penalty for the test files and rangeCheck is $150k per incident or $300k (which is nowhere near the $50 million estimated cost of the litigation for each party to date).

However, Oracle has elected to go after "infringer's profits" instead of taking statutory damages, so it is very possible that they will end up with less. It's very unlikely that they'd end up with more as the judge understands how trivial both parts are (and Oracle and Google have agreed to let him decide damages).
Obama Order Sped Up Wave of Cyberattacks Against Iran
As an app developer I find lots of useful code online - most of it is licensed under the MIT license, meaning do with it whatever you want (by and large)

If you want to make it so other people may use your stuff, just put it under such a license. That's what I do - please, share and use, here you go. There are no strings attached.

If I see the words GPL, or even LGPL, I stay far away from it. I don't want some nutcase to sue me years down the road when my software has become popular, just because I wanted to save an hour of coding time for the 1.0 release.
I've always thought it would be cool to have a backend environment similar to labVIEW (but faster!). I use labview in my research and it is the best solution I've found for encouraging / allowing for code re-use. This Google Blockly, to some extent, seems to be heading that way - I'm looking forward to seeing how it develops.
Good luck. Hope to see you soon!

-Roman
Do you have the exact pages or passages proving that I'm wrong? I'm not saying that I'm not wrong, but I'm really curious to see the proof since I've been told time and again that it's relatively easy to pierce the corporate veil for LLCs in California.
I can see how this would benefit the user, you get to reserve your preferred name, but how is this good for developers?

Having users auto sign up would ruin any value in there uptake / usage data. How many of those users are interested in the product and how many are just squatting on the username?

Maybe this is over my head =/
I am quite sure that Apple is okay with neglecting the handful of people who are missing package managers.
So true. For certain books that I found insightful, I have found myself re-reading some parts later and discover nuances that I missed the first time.
Some investors have very poor judgement, that's true, but Andreessen Horowitz is hardly one of them.
Or even better just download the app:

http://itunes.apple.com/us/app/tex-touch/id377627321?mt=8
I think Diablo 3 simply deserves the backslash. The developers are full of themselves and live in a bubble. Lots of people are unable to play the game they've paid $60 (or 60 EUR !!!) money for. "Always online" was supposedly for security, but people trying to play "single player" are getting their accounts hacked. The story and its presentation is an insult to intelligence. Bosses are extremely talkative, and not in the amusing way like in Realm of the Mad God. Cutscenes are used as interruptions. It is also the least random and most linear Diablo game. Low replayability is a big deal because difficulty level (difficulty, no skill level like they were called in Quake)
And all this took more than 10 years to make ? It resembles Diablo Nukem Forever.

There is a lot to complain about. But it's not surprising considering the founders work elsewhere, especially at Runic Games. Torchlight 2 is also very colorful and cartoony, but it's not pretending to be something it's not (a grim, gothic game). TL2 is playful and doesn't treat itself very seriously.

My favorite action RPG game is Nox, though. This video does a good job explaining it:
http://www.youtube.com/watch?v=H4NU3u9sSjE
But I feel obligated to add a few highlights
- no random loot (!!!!!!!!)
- no hit chance. You hit if you aim well and enemy is in range.
- no dodge chance. You dodge if you move out of the way.
- no shield block chance. You block if you raise your shield in time (and in correct direction :-)
- no random levels, but levels very well done and non-linear unlike Diablo 3. Also, some chapters are unique to one of 3 classes.
- very unimportant resists: very few arbitrary decisions "You can't use weapon/spell X against monster Y".
- as a result, combat is so fun that multiplayer had modes like Capture the Flag, Deathmatch, and Team Deathmatch, where everyone was always on the same level.
- huge variety and creativity in Conjurer and Wizard classes.

See the pattern ? It was a highly skill-based game. It's a tragedy that it was labeled as a Diablo 2 clone, because it had fundamental differences. Nox can be purchased very cheaply today.
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Yes, but snark was part of the point --just as "sneer" seems to be part of the point on a lot of comments I read about 37 Signals or "lifestyle businesses". I wanter to counter than a little.

I find the very term "lifestyle businesses" condescending. They are bona fide businesses, nothing "lifestyle" about them. Not every business has to be on the stock market or cash-out for big bucks --or even make "billions"

You know what's cooler than a billion dollars? Doing what you like, making a living and employing as many people you can, without turning into a money making monster where what exactly you're making is not as important as ever increasing your revenues and finding new cash-cows.

Pivot, for me, is another word for "my goal is to make money, not to build something specific".
I love the model there using here!

Best aspect for me (and them i guess) is the need to spend an average to get Bastion, arguably the best game in that line up.

Already have 2 of the 6 but ill throw good developers money to take the rest and encourage the model.

Well done to the humble bundle!
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Indeed you can do much better, flipping boolean + cmp if you only need two states, and integer + array if you need three or more - main thing is, even the "stupid" string comparison is much cheaper than a modulus, and it's a very logical basic approach that says " if the previous row was odd, this one must be even ".

My idea with that is that it's extremely important to reach that conclusion, as it matches the problem perfectly and thus is much more efficient than our (often natural) standard approach of mod(x,2).

When you've reached that step, you can further improve by using a boolean instead of a short string, but that steps clearly into optimization, as it's not "formulating the problem correctly" but "finding a better way to implement the same solution".

There is major cost in not formulating the problem correctly (even odd is an approach to alternating colors, not the problem itself), and mod for table rows is a prime example of that.
$8 hr... haha.. seriously?
Ask HN: What will be next generation entertainment medium?
Hi, i am excited to know where entertainment medium will go in future ?
Till now we have Youtube, Live steams like justin.tv etc and one thing which is getting attention is Socialize TVs.

What are other milestones entertainment industry can achieve in coming years ?
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Either Penultimate or Paper are fit for the task. Paper has slightly better tracking allowing for more detail, and the pencil simulation is great. The only thing missing is real pressure sensitivity.
Most large companies (and even mid-sized ones) have some kind of "technological environment of choice" that sort of given (three languages is already not so bad). It does not means it cannot change or be lifted for a specific project, just that it is "what you are supposed to use", and that you are expected to provide heavy arguments to be allowed deviate from it.

In most situations, this is actually wise : behind development, you have a whole process (deploy, quality control, etc), and they will have the required tools and expertise for the languages they use on a regular basis. And when you start a project at a large company, you know that other people will take it after, so it is easier if it is close to the company technical standards.

Having written an application in Ruby in a Java shop, I remember protesting on the "rewrite in Java" that happened just after the prototype phase. With some distance, I think I understand the decision.
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How about PyPy? It's a Python JIT compiler written in Python.

There are thousands of other examples. Managing memory and low level system is not the difficult part, it's just tedious - algorithms and mapping a problem correctly is the difficult part.
Love this idea for teaching kids. Reminds me of the visual programming in Click N Create / Multimedia Fusion / Games factory which was/is very advanced and powerful.

Given sufficient resource and polish something like this could be awesome.
extra relevance. it's a valuable datapoint to see what someone who is actually affected by the censorship thinks of google's new measure.
I don't know. Maybe it's because I've been mostly looking at Haskell and OCaml recently, but most of the more "researchy" features and languages I've seen aim to be easier to reason about.

Unlike most languages (including Go, I believe), researchy languages tend to have very well defined semantics based on well-understood math--really going out of the way to be easy to reason about!
Yes, and what's this Internet thing exactly, if not glorified information exchange?

Or the universe, if not glorified matter?
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The relevant point being that Google didn't want to license Java under the standard terms because they wanted control over the platform, and certainly partially because they saw what happened to Microsoft.

It certainly wasn't just the technical matter of reproducing "166 APIs", there was the whole political angle of putting Android under control of Sun/Oracle's committees.

(And just on a trivial note, Microsoft eventually created their own 'clean-room' Java called "J#". It died in obscurity, but Google wasn't the first.)
crunches have nothing to do with a six pack. follow the link he provided.
interesting attempt; things on my mind; what if I colorize my python code based on block depth or what if we do a 3D version of this; and what if we do a game of "angry blocks" to program.
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Another thought to the difference in email and news aggregators; If I want to read a blog post later (but am busy now) I need to mark it in some way to remember to get back to it later. My email inbox, on the other hand, keeps it there for me till I read it.
That's if you have a university degree w/ high GPA and a "chill" personality.
An asterisk got eaten in your post. You should start lines of code with a couple of spaces to make HN stop doing that.

Set(1,2,3,4).map{ _ * 2 } // Set[Int] = Set(2, 4, 6, 8)

BitSet(1,2,3,4).map{ _ * 2 } // BitSet = BitSet(2, 4, 6, 8)
If you started off facing a wall your code would just not do anything. You can both simplify it and fix this bug by reorganizing the loop.

while true:
turn left
while wall(AHEAD):
turn right
move forward

However, while this algorithm happens to work on this maze, it will not work against other mazes (if you care).

Imagine a 5x5 square race track, with spokes coming from the outside of the wheel to the center, where there was a flag. Your algorithm (and my modified one) would just spin clockwise around the track without ever realizing it should take a right towards the center.
you have no appreciation for subtlety. google are pretty clearly saying "look, china is censoring these searches", but they are doing it in such a way that the chinese government can't object without looking vaguely foolish. they're both making a show of sticking to the letter of the law (after all they havent said anything other than "there's a technical issue we can't figure out, here's a workaround in the meantime") and playing to the global audience.
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Nice. Now to figure out how to restore the ordinary window chrome, as the "active" and "inactive" states of the new title bar are identical. Try as I may, I can think of no conceivable rationale for this. Metro notwithstanding, this makes about as much sense as replacing project "files" with "friends"...
^^^ Troll of the century.

In all seriousness though, it's incredible what Fetchnotes has accomplished, especially considering that every member of the team is still in college. Dropping out isn't always the answer!
Discussion: State of mobile application development
Fun fact: the technical term is "seven-segment display character representations."
See, I read it differently. I think his point there is about being passive, as in, "I don't have to go out and get knowledge, because it is my school's job to install knowledge into me." He didn't explicitly use the word "passive", but he mentions "faith", and relying on the institution "to educate you."

Right on the money -- even if you're in forced schooling, you need to go out and get knowledge.

Plus, think about all the programming curricula out there. How many are just mediocre Java certification programs? If you want really outstanding programming skills, you're going to have to go get them ... possibly using a university along the way (possibly not).

So his point # 2 resonated strongly with me.
I feel it's a legit idea. Some of us are really interested in new services. Most importantly, a service should not judge it's success by the number of sign ups (like G+ does) but on the number of interactions/service calls that it's users do over a period of time (twitter way of accounting itself).
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I think it's a pretty decent list. Can't understand all the negativity.