Looking at 10 first pages on stack overflow about a-frame : so few answers.
Is there a better place to find useful information ?
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Hello stack overflow community. I have some questions about community detection in social networks.
I searched about it here in stack overflow which helped but now I have some questions that I couldn't find answers for.
1- would you please tell me what exactly "ground truth" is? I saw it here in one of the topics but couldn't find the explanation.
2- where can I find a list of datasets used in this field?
3- programing languages and any other tools for community detection and evaluating metrics?
4- where can I find about machine learning/ deep learning techniques used for community detection?
5- what is quality function? do we have to necessarily use it or we can just use evaluation measures?
sorry if my questions are very simple, but I've just started and it would really help me if someone answers them.
and sorry if anything is wrong with text, it's because I'm not good at English.
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I am looking to download the trial version for Adobe After Effects CS6. I am trying to learn how to use the software, but i can't seem to find the trial version for CS6. Is there a trial version available for this software?
The problem with this request is that Adobe has moved on to a newer software version than CS6 namely Adobe Creative Cloud (cc). Any trial downloads that you find on the adobe site will now be for After Effects cc.
AEcc seems to be pretty similar to AEcs6. CC has some updates from cs6 that may lead to faster workflow. Here's a pretty good explanation of the improvements:
http://www.adobe.com/products/aftereffects/features.html
If you still want to try to find AEcs6, here are some links from Adobe that may or may not allow you to download AEcs6 as a trial.
This link may not have any trial option. It is for customers who have lost their DVD of AE to re-download it:
http://helpx.adobe.com/x-productkb/policy-pricing/cs6-product-downloads.html
This link may just be an update and not the full file:
http://www.adobe.com/support/downloads/thankyou.jsp?ftpID=5387&fileID=5012
There are other methods of finding AEcs6 if you need that specific version, but many of them are improper to list on SO.
I hope this helps.
Go here: https://creative.adobe.com/products/aftereffects and click the download button. You will download it through their creative cloud solution and will get 30 days of trial use.
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Are there any websites or blogs with programming challenges specifically for R users?
I don't know of any specifically for R users. But you'll find a good number of R entries on the Project Euler challenge. See this blog, for example:
http://www.theresearchkitchen.com/blog/archives/category/project-euler
I don't know about any specific to R, but there are quite a few questions tagged code-golf, here on Stack Overflow. Many of them are language agnostic, but not all.
Another area of the site that I like to visit are the questions tagged rosetta-stone. Those questions specifically ask for answers from every programming language.
I haven't heard of any, but you could visit some math-oriented challenges, where you can solve problems in any programming language you wish. One I know is http://projecteuler.net
Bah, someone was faster ;). A thing to be added: after you solve a riddle there, you can see others posts on it, many people submit they code, I saw some R code there afair.
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I am looking for a tutorial which will show me how to do simple 2d physics like the ones in this (http://www.teagames.com/games/tgmotocross/play.php). The part that I am most interested in is how the collision detection is done between the character / player and the terrain, as well as how to store / generate the terrain.
The language of the tutorial doesn't matter - I am just interested in how to do this in general.
Many thanks.
EDIT: To clarify, I already know how to perform collision detection between two sprites, and enough physics to write a 2d game - I am looking specifically for a tutorial / example on how to implement the smooth terrain which can be collided with (I understand how destroyable landscapes are done, and I presume that this would be related somehow). Also, I am aware of the N tutorials but that uses discrete shapes whereas I am interested in a smooth landscape.
I suggest that you take a look at the Farseer Physics Engine which is a 2d engine for .NET written in C#. You can look here for some examples of this package in use. Very easy to use and understand. A great place to get started understanding such things. Also, the people making the product are very easy to get ahold of and chat with if you have questions!
I have found that this link is somewhat helpful (mostly for a worms type game) - at the bottom it says that if you want to find the normal at the collision point (which would probably be needed to orientate a vehicle correctly) you have to scan the area around the collision point and create a plane for further maths.
I assume that you already:
understand Vectors
understand Physics
Take a look at this.
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It's very difficult to find this kind of document online.
I found one in JAVAWORLD, but this one does not cover the jjTree and visitor one.
Does anybody happen to have some links to the tutorials?
Its been a while, but I found this tutorial very helpful
on a previous project. I was able to create a query language
for our application in a few days with basically no previous
experience with javacc.
I've not read it but while looking for the other tutorial I
also found this one.
You can find a bunch of blog posts I've made regarding various JavaCC/JJTree topics on my JavaCC book's web site. There's a bunch of stuff there - using JavaCC to parse binary data, a JavaCC-based syntax highlighter, parsing fixed-width data with JavaCC, etc.
I found an awesome tutorial!!! It starts you off making a simple adder, then calculator. It definitely helps you understand the structure and syntax of JavaCC!
http://www.engr.mun.ca/~theo/JavaCC-Tutorial
There is a list of books, articles and tutorials in the FAQ.
This is the main reason why I didn't end up liking a class that used javacc, even the staff couldn't figure some of the bugs/messages out. It seems anyone would be much better off using something more standard, like flex & bison.