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I'm looking for a specific programming/software development lecture that the speaker talks about realtime feedback from the code to the result.
He shows how he changes the code and the result (A generated tree) changes in realtime.
He also changes variables values in the code using the mouse scroll wheel.
He showed a software that he wrote about editing animations (A leaf falling)
He also showed a software that he wrote, a visualizing the "predator prey formula"
I also know that he used to work for Apple
Anything?
I think you're talking about Bret Victor's "Inventing on principle". Maybe off topic for stack overflow, but it's really interesting:
http://vimeo.com/36579366
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I'm trying to plan out a simple web app. A user is presented with a question that has two or three possible answers. Depending on their answer, they're taken to another question.
i.e.
ChoiceC
ChoiceA ---> Question 2 ---> ChoiceD
Question 1 -->
ChoiceB ---> Question 3 ---> ChoiceE
ChoiceF
This seems to me a like a tree, where each question and answer is a node, and depending on what path you go down, you're exposed to a specific set of other questions/answers.
I'm trying to figure out how to implement this with reusable React components. I could potentially create a component for each question, but that doesn't seem like good practice. Does anyone have any experience building these sorts of 'choose-your-own-adventure' style questionnaires?
You can use a map that saves for every answer what the next question is.
In your case an entry could be [ChoiceA, Question2]. In your program you can then story a variable current_question that gets updated based on your map.
This solution may only be insufficient if the same answer can arise in different contexts and lead to different outcomes. In this case maybe should be a question/answer-pair that determines what comes next.
If you really want to overkill your problem, you can implement a directed labeled graph. The questions would be the nodes in this case and the edge-labels are your answers which lead to the next question/node.
The most pragmatic solution would of course be to don't use a datastructure at all and just stack if-else. This is not scalable though.
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This page gets a 404
https://github.com/novus/nvd3
This page is blank
http://nvd3.com/
Did something happen to NVD3 or is this just a temporary problem?
Well #bobmonteverde tweeted yesterday that Novus Partners, his employer took the project down and he is going to comply with their decision as heartbroken as it left him.
Today the tweets are gone, so we can assume the project's dead. If you want the latest version, the most recent fork is here.
UPDATE: from the comments of this post, most active discussion on this is currently taking place at
https://groups.google.com/d/msg/d3-js/lxtnWUUnIxo/Z1vt7adPOYUJ
UPDATE 2: It's back at http://nvd3.org. Novus released a statement about NVD3.
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I am creating my own website. I was wondering if we can put live (moving) pictures in its background.
If yes, can anyone suggest me some good sites from which I can get an idea on how to make my website stand better than other websites?
Thank you in advance.
For god's sake, forget about moving background. Do your newspaper background moves when you read it? No? Then save our eyes by not doing so on the Internet.
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When i like a certain Javascript (for menu highlighting or so) used by some website, it would be pretty easy to copy this script from that site's source-code and use it in mine.
I would consider doing so as unauthorized use of intellectual property, since I have been granted the right to use this javascript in my browser, but certainly not to copy it and use it for my own purposes, even though it is so deceptivly easy to reuse other people's work without asking for permission.
I don't know much about online-copyright law, but is my stomach feeling right in this case?
Yes. You don't have a license to use it elsewhere.
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I made a website that does absolutely nothing, and I've proven to myself that people like to stay there - I've already logged 11+ hours worth of cumulative time on the page.
My question is whether it would be possible (or practical) to use the website as a distributed computing site.
My first impulse was to find out if there were any JavaScript distributed computing projects already active, so that I could put a piece of code on the page and be done. Unfortunately, all I could find was a big list of websites that thought it might be a cool idea.
I'm thinking that I might want to start with something like integer factorization - in this case, RSA numbers. It would be easy for the server to check if an answer was correct (simply test for modulus equals zero), and also easy to implement.
Is my idea feasible? Is there already a project out there that I can use?
Take a look at http://www.igvita.com/2009/03/03/collaborative-map-reduce-in-the-browser/ and http://www.igvita.com/2009/03/07/collaborative-swarm-computing-notes/