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• HTML5 Canvas A* Star Path finding

  - by Veyha

  I am trying to learn A* Star Path finding. Library I am using this - https://github.com/qiao/PathFinding.js But I am don't understand one thing how to do. I am need find path from player.x/player.y (player.x and player.y is both 0) to 10/10 This code return array of where I am need to move - var path = finder.findPath(player.x, player.y, 10, 10, grid); I am get array where I am need to move, but how to apply this array to my player.x and player.y? Array structure like - 0: 0 1: 0 length: 2, 0: 1 1: 0 length: 2, ... I am very sorry for my bad English language. Thanks.

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• InputLayout handling

  - by Kikaimaru

  Where are you supposed to store InputLayout? Suppose i have some basic structure like. class Mesh { List<MeshPart> MeshParts } class MeshPart { Effect Effect; VertexBufferBinding VertexBuffer; ... } Where should I store input layout? It's a connection between vertex buffer and specific pass, i can live with just 1 pass but I still have diffferent techniques so i need at least an array with some connection to effecttechniques, but I would appriciate something not crazy like dictionary. I could also create wrapper for Effect and EffectTechnique, but there must be some normal solution.

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• Should I have link rel=next & prev on URLs which have query variables?

  - by user21100

  For example, I have link rel prev & next set up on these pages of products: site.com?page=2 site.com?page=3 (this is my preferred structure by the way and I'm trying to get all the ugly URLs which are littered with query variables deindexed as they are causing duplicate content). So the above URLs are fine but once a filter to narrow product results is selected, like "price", the URL shows like this: site.com?price[1000-1499]=on site.com?page=2&price[1000-1499]=on As of right now, I am having the link rel prev & next dynamically added to the header of these pages but since I am working on getting these query variable URLs pages deindexed, I am wondering if I should get rid of it on these pages? Any thoughts?

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• Where to prepare (legal) "embeded" documents for the web [on hold]

  - by WHITECOLOR

  Say I have to have terms of use on site, a place the text as marked up html. Where it is better to prepare this document initially if it is going to placed to the web? Considering that such documents are prepared and changed by lawyers, it is not very applicable for them to use text editor. And it is not very efficient to manually process content to prepare it for the web as it is changed. For now my solution is: Prepare document text in google docs keeping some simple structure (title, ordered lit of features, simple paragraphs), save as html (it will contain some unnecessary markup) and then use custom conversion tool (some script) to convert saved html from google docs to simple html and inject new version to the site. What is common practiceses for this problem? What is the workflow of preparing and publishing such documents.

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• How to design brain games [on hold]

  - by samesky

  I will wonder if anybody has some information about designing games for brain improvement. Recently lumosity is into a gear. I guess they research a lot or have experts. But is there any other research paper that is publicly available for designing the brain games ? Any equation or data that can help? Or what characteristics a brain game should have ? I am getting interested on this and search internet a lot, but unfortunately I could not find the core structure of it. It will really a helpful for me if somebody can give some information. Thank you.

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• Abstract skill/talent system implementation

  - by kiliki

  I've been making small 2D games for about 3 years now (XNA and more recently LWJGL/Slick2D). My latest idea would involve some form of "talent tree" system in a real time game. I've been wracking my brain but can't think of a structure to hold a talent. Something like "Your melee attack is an instant kill if behind the target" I'd like to come up with an abstract object rather than putting random conditionals into other methods. I've solved some relatively complex problems before but I don't even know where to begin with this one. Any help would be appreciated - Java, pseudocode or general concepts are all great.

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• Why do i keep forgetting things? [closed]

  - by Mr.Anubis

  I am currently learning many things at the same time in C++ and coded many data structures and algorithms and some small applications. When I suddenly try to remember something that I coded many months ago, my mind completely goes blank. It's like I'll have to re-learn the whole thing. For example, recently I was thinking to refactor my BST data structure, when I realized that I don't even remember how I coded it or how does it works internally. Does this happen with many others? Or is it me only? How do I overcome this problem?

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• Class Versus Struct

  - by Prometheus87

  In C++ and other influenced languages there is a construct called Structure (struct) and we all know the class. Both are capable of holding functions and variables. some differences are 1. Class is given memory in heap and struct is given memory in stack 2. in class variable are private by default and in struct thy are public My question is that struct was somehow abandoned for Class. Why? other that abstraction, a struct can do all the same stuff a class does. Then why abandon it?

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• Deleting Pages and SEO

  - by Lynda

  I am in the process of re-designing my website. I will be changing the URL structure of several pages and in some cases the pages are going to be deleted as they are no longer necessary or obsolete. My question is this: I do not want to effect any SEO by having a lot of 404 errors pop-up. For the pages that I am changing the URL I will set 301 redirects but how do I handle the pages that I am deleting outright and have no redirects? From my understanding if those pages start showing 404s it will hurt SEO. Is this correct? How do I handle deletion of pages?

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• how to have 'find' not return the current directory

  - by Pinpin

  I'm currently trying to find (and copy) all files and folder structure matching a specific pattern, in a specified directory and I'm so nearly there! Specifically, I want to recursively copy all folders not begining with a '_' character from a specified path. find /source/path/with/directories -maxdepth 1 -type d ! -name _\* -exec cp -R {} /destination/path \; In the /source/path/with/directories/ path are machine-specific directories beginning with '_' and others, and I'm only interested in copying the others. For a reason beyond me, the find command returns the /source/path/with/directories/ directory, and therefore copies its content, directories begining with '_' included. Anyone have a hint as to why that is? Thanks, Pascal

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• Ask the Readers: How Do You Organize a Messy Music Collection?

  - by Jason Fitzpatrick

  What do you do when you’re faced with a massive pile of MP3s with mismatched tags, poor directory structure, or worse? This week we want to hear your best tips and tricks for getting out from under a mismanaged music collection. Whether iTunes went nuts and poorly tagged your existing collection on import, it was never very tidy to begin with, or you’ve got a hot mess of mismashed music from your internet travels, we want to hear how you’ve rectified the situation. What tools, tips, and tricks do you use to turn your messy pile of MP3s into a neatly organized music collection? Sound off in the comments and check back on Friday for the What You Said roundup! How to Sync Your Media Across Your Entire House with XBMC How to Own Your Own Website (Even If You Can’t Build One) Pt 2 How to Own Your Own Website (Even If You Can’t Build One) Pt 1

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• How to implement Scrum in a company with three similar web-based products

  - by user1909034

  I am somewhat familiar with the concepts and benefits of Scrum. With that in mind, I am trying to improve the failing Scrum product management structure of a company I'm now working for that has three separate B2C products, catering to the same demographic and accessible on the same website. Each product has a product owner and a unique development team (5 - 9 people in each) behind it. Given that the target audiences are similar (not sure if it should matter) and the 3 web products are similar in nature, what are the potential benefits/risks associated with merging the teams and having just one product owner/scrum master/dev team? Some questions that come to mind are: does it make sense to have 3 product owners and three distinct backlogs if your website has three distinct products? Also, if you only have one product owner, what is the best metric off which to choose who that will be?

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• Stop myself from over-complicating applications

  - by stuartmclark

  Recently I worked on a fairly large project involving C# and MVVM. This application had around 160 projects in the solutions each seprarated into their own layers. As I have been working on this application for almost a year, building it from scratch as part of a team, I am now coming off that project and onto smaller more trivial projects. As I was beginning to develop a small in-house tool I found myself trying to mimic the larger applications structure and layering but in the end I just had a simple application with several DLLs which I know I wouldn't have done if I had not worked on that larger application before. I am just wondering if there are any techniques I can utilise to stop myself from turning a "code-behind" style trivial application into a full blown MVVM application? Or should I continue developing as I am and try to keep the unnecessary fluff out of the project?

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• understanding computers [closed]

  - by Ashwin

  Possible Duplicate: Good resources to understand how a program interacts with machine hardware I don't know if this is the correct StackExchange site to ask this question. But I could not find any other. I want to understand how a computer works from the software level to the internal structure. For example what happens when I press a button on keyboard. The OS interprets it and then what changes happen in the flip-flops. How is an operating system written? If it is written using some programming language, then how is that interpreter written. At some point it has to come down to the hardware, right? I know to program in c, c++ and java. But after all these years I am still not sure about what is happening inside. I would be grateful to anyone who points me to to a link or a video that explains this to the deep.

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• ASP.NET MVC Portable Areas - Can they communicate and be used as a plugin-like architecture?

  - by Beton

  I'll get straight to the point: I was wondering if there is a common pattern to use portable areas as a components of a plugin-like architecture. Example: We've got 3 plugins (portable areas) packaged and distributed via NuGet feed. Each of them is following the standard MVC structure (has it own Models, Views and Controllers). Lets say login form, header and footer. What I was wondering if there is a way to make them communicate. For example: when user logs on, login plugin executes it own logic, logs the user and then it updates the state of the header plugin with changes it state accordingly. Thanks in advance.

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• How to purge old links in google from an old domain.

  - by jbcurtin

  Hey all, Recently, I uploaded a new site to an existing domain and I'd like to figure out how I can forward all links to said domain to a new domain. I'm looking for a wordpress solution if possible, but in the end I I seem myself writing a small header script that I will paste into ever directory's index file saying header('Location:http://xxx.yyy.zzz') Is there a cleaner way to do this without having to resort to managing the whole file structure? No, I do not have access to the apache runtime. Unfortunately it is a shared-host server. Thanks in advance.

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• Is there any benefit to obsession with making code "look pretty"?

  - by TaylorOtwell

  Sometimes I spend ridiculous amounts of time (hours) agonizing over making code "look pretty". I mean making things look symmetrical. I will actually rapidly scroll through an entire class to see if anything jumps out as not looking "pretty" or "clean". Am I wasting my time? Is there any value in this kind of behavior? Sometimes the functionality or design of the code won't even change, I'll just re-structure it so it looks nicer. Am I just being totally OCD or is there some benefit hidden in this?

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• Microsoft publie deux outils open-source en rapport avec Outlook pour faciliter le développement d'a

  Mise à jour du 27/05/10 Microsoft publie deux outils open-source en rapport avec Outlook Pour permettre l'utilisation plus facile du format PST dans le développement d'applications Microsoft vient de publier deux outils open-source de développement en rapport avec Outlook. Le but affiché est de faciliter la création d'applications qui utiliseront le format de fichier des e-mails et des dossiers personnels de son client de messagerie : le format PST. Les deux outils en questions sont le « File Format Software Development Kit » et le « PST Data Structure View Tool ». Cette annonce est la suite logique...

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• Paren-free PHP? [on hold]

  - by Ivan Curdinjakovic

  I stumbled upon the idea for paren-free ecmascript (https://brendaneich.com/2010/11/paren-free/), which is inspired by Go language. And it's simple, clean and cool - if you make braces required instead of recommended (and they are recommended everywhere anyway: http://www.php-fig.org/psr/psr-2/), then parenthesis are unneeded around control structure “heads”. It would work exactly the same in PHP. So, a piece of PHP code could look like this: if $someVar == 42 { doSomething(); } or: foreach $someArray as $key => $value { echo "$key: $value"; } It's a small, but nice step towards a nicer, cleaner syntax and removing unnecessary parts. The question is - would PHP community be willing to see the languange move in that direction? Would it be considered an improvement by majority, or are we too used to typing those parenthesis and unwilling to see any change in PHP syntax?

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• Manage own framework

  - by Develman

  I have developed my own little framework for webpages. And for different websites I had to change some parts of the framework respectively developed new features / improvements. But in some cases I missed to copy the changes in the original framework code. How do you manage your frameworks? I copy the complete framework to a library folder in my projects folder structure. So I have a copy of the framework in every project. I would like to have it on one place in order to modify / improve / bugfix it once and then distribute it on the projects.

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• Can decoupling hurt maintainability in certain situations?

  - by Ceiling Gecko

  Can the fact that the business logic is mapped to interfaces instead of implementations actually hinder the maintenance of the application in certain situations? A naive example with the Java's Hibernate framework would be, that for example (provided I don't have the whole code-base in my head, the project structure is a mess and classes are named with arbitrary names) if I wish to see what's going on in a certain DAO, to see if it actually is doing what it's supposed to do, then instead of traversing backwards up the tree from the point where the data service is invoked (where the tree will end in an interface with no implementation details whatsoever apart from the signature) I have to for example go and look for a configuration XML file to see which class is mapped to said interface as the implementation before being able to access the actual implementation details. Are there any situations where having loose coupling can actually hurt maintainability?

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• Fast lookup for organization hierarchy

  - by Élodie Petit

  I need a way to implement a fast lookup algorithm / system to find users very quickly in a multi-level department and multi-level employee/manager relation organization structure. Departments can have any level of departments and users directly connected to departments. User are connected to departments and other users at the same time. What would be the best approach to implement such a system? There will be approximately 2000 users and 30 departments. Is there a good way to hold all of this information on memory?

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• DirectCompute information

  - by N0xus

  I've been trying to make use of the GPU as part of a project of mine. I've looked into both CUDA and OpenCL, but the lack of information showing you how to introduce these into a project is shocking. Even their dedicated forum groups are dead. So now, I'm looking into DirectCompute. From what I can tell, it's simply a new type of shader file that makes use of HLSL. My question is this, does my program (aside from being DirectX 10 / 11 ) need its structure changed? I mean, is it simply a case of creating the CS file, setting in the project like I would any other shader, and watch the magic happen? Any information on this would be appreciated.

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• Help comparing Cocos2d and Unity3d for this project [closed]

  - by Omega

  I will not go into details, but I would like to hear your opinions about this: Essentially, my project will be a 2d game, with lots of complex levels, where some might be simple and others might be a bit more deep, with physics, etc. We want to implement our very own online structure: logging in, leaderboards, achievements, friends etc with our own servers. This means no OpenFeint nor GameCenter at all. We expect this game to be very large in both graphics and audio. We wish to use in-app purchases. Now, we considered two options. Cocos2d and Unity3d. We need help deciding using the factors I mentioned before (networking, good performance even for a large game in terms of graphics and audio like this, in-app purchases, etc) which option would fit better this? Technically, both options can create 2d games. I'd like to hear your opinion.

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• PostgreSQL, Ubuntu, NetBeans IDE (Part 2)

  - by Geertjan

  Now let's create the start of a CRUD application on the NetBeans Platform, using Hibernate and PostgreSQL to do so. Here's what I see in NetBeans IDE after setting things up as outlined yesterday: The NetBeans Platform CRUD Tutorial should get you up and started creating the NetBeans Platform application. Open the generated "persistence.xml" in Design mode and then switch the persistence library to Hibernate. The Here's the application structure: The Hibernate module that you see above has this content: Here's the result: And here's the source code: http://java.net/projects/nb-api-samples/sources/api-samples/show/versions/7.3/misc/NBPostgreSQL

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