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• AceCypher is an Addictive Cypher Slide Puzzle Game

  - by Akemi Iwaya

  Are you ready for a game that will test your logical thinking skills while providing hours of fun? Then you may want to have a look at this awesome cypher slide puzzler! AceCypher is great puzzle game for those times when you only have a few minutes to play or want a fun way to pass the time while relaxing. The overall premise and style of game play for AceCypher is simple. You move individual rows (left, right) or columns (up, down) one space at a time in order to shift the positions of numbers on the game board through ’round-a-bout’ trading. The goal is to make the four numbers in the red square match the code shown in the upper right corner (including positions). Sounds simple so far, right? But the challenge comes from the random boards you will be given to work with…some will not be too hard to solve while others will tax your brain (and patience!) quite well.     

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• Ajax application: using SOAP vs REST ?

  - by coder

  I'm building an ajax heavy application (client-side strictly html/css/js) which will be getting all the data and using server business logic via webservices. I know REST seems to be the hot topic but I can't find any good arguments. The main argument seems to be its "light-weight". My impression so far is that wsdl/soap based services are more expressive and allow for more a more complex transfer of data. It appears that soap would be more useful in the application I'm building where the only code consuming the services will be the js downloaded in the client browser. REST on the other hand seems to have a smaller entry barrier and so can be more useful for services like twitter in allowing other developers to consume these services easily. Also, REST seems to Te better suited for simple data transfers. So in summary SOAP is useful for complex data transfer and REST is useful in simple data transfer. I'm currently under the impression that using SOAP would be best due to the complexity of the messages but perhaps there's other factors. What are your thoughts on the pros/cons of soap/rest for a heavy ajax web app? EDIT: While the wsdl is in xml, the data I'm transferring back and forth is actually in JSON. It just appears more natural to use wsdl/soap here due to the nature of the app. The verbs GET and POST may not be enough. I may want to say something like: processQueue, or executeTimer. This is why my conclusion has been wsdl/soap would be good for bridging a complex layer between two applications (client and server) whereas REST would be better (due to its simplicity) for allowing many developer-users to consume resources programmatically. So you could say the choice falls along two lines Will the app be verb-oriented (completing tasks: use soap) or noun-oriented (consuming resources: use REST) Will the api be consumed by few developers or many developers (REST is strong for many developers)? Since such an ajax heavy app would potentially use many verbs and would only be used by the client developer it appears soap/wsdl would be the best fit.

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• Friday Fun: Christmas Tree Light Up

  - by Asian Angel

  Another week has thankfully passed by, so it is time to take a break and have some fun. This week’s game tests your ability to light up the whole Christmas tree…can you figure out the correct wiring configuration? Christmas Tree Light Up The object of the game is simple…light up all of the bulbs on the Christmas tree. While the game may look quick and easy at first you will need to do some thinking and experimenting to come up with the correct wiring configuration. The instructions are very simple…just click on any of the wiring sections or bulbs to rotate them. Keep in mind that you may have to click a few times to line the wiring sections or bulbs up as desired since the rotation is always clockwise. Note: You will need use all of the wiring sections available to completely light the tree up. Each time you will be presented with a different starting setup coming from your power source. Time to hook up the lights! Note: It is recommended that you disable the sound for the game since the “rotation” sounds can be slightly irritating. A nice start but there are still a lot of bulbs to light up. Getting closer… Almost there…only two more bulbs to light up. Success! Have fun playing! Play Christmas Tree Light Up Latest Features How-To Geek ETC The 50 Best Registry Hacks that Make Windows Better The How-To Geek Holiday Gift Guide (Geeky Stuff We Like) LCD? LED? Plasma? The How-To Geek Guide to HDTV Technology The How-To Geek Guide to Learning Photoshop, Part 8: Filters Improve Digital Photography by Calibrating Your Monitor Our Favorite Tech: What We’re Thankful For at How-To Geek Settle into Orbit with the Voyage Theme for Chrome and Iron Awesome Safari Compass Icons Set Escape from the Exploding Planet Wallpaper Move Your Tumblr Blog to WordPress Pytask is an Easy to Use To-Do List Manager for Your Ubuntu System Snowy Christmas House Personas Theme for Firefox

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• Adventures in Scrum: Lesson 2 - For the record

  - by Martin Hinshelwood

  At SSW we have always done Agile. Recently we have started doing Scrum and we have nearly completed our first Sprint ever using Scrum. As you probably guessed from my previous post, it looks like it is going to be a “Failed Sprint”, but the Scrum Team (This includes the ScrumMaster and the Product Owner) has learned a huge amount about working in the Scrum Framework. We have been running with a “Proxy Product Owner” for the last two weeks, but a simple mistake occurred either during the “Product Planning Meeting” or the “Sprint Planning Meeting” that could have prevented this Sprint from failing. We has a heated discussion on the vision of someone not in the room which ended with the assertion that the Product Owner would be quizzed again on their vision. This did not happen and we ran with the “Proxy Product Owner’s vision for two weeks. Product Owner vision: Update Component A of Product A to Silverlight Proxy Product Owner vision: Update Product A to Silverlight Do you see the problem? Worse than that, as we had a lot of junior members of the Scrum Team and we are just feeling our way around how Scrum will work at SSW I missed implementing a fundamental rule. That’s right, it was me. It does not matter that I did not know about this rule, its on the site and I should have read it. Would a police officer let you off if you did not know that a red light meant stop? I think not… But, what is this amazing rule I hear you shout.. Its simple, as per our rule I should have sent the following email: “ Dear Proxy Product Owner, For the record, I disagree that the Product Owner wants us to ‘Update Product A to Silverlight’ as I still think that he wants us to ‘Update Component A of Product A to Silverlight’ and not the entire application. Regards Martin” - ‘For the record’ - Rules to being Software Consultants - Dealing with Clients This email should have been copied to the entire Scrum Team, which would have included the Product Owner, who would have nipped this misunderstanding in the bud and we would have had one less impediment. Technorati Tags: SSW,SSW Rules,SSW Standards,Scrum,Product Owner,ScrumMaster,Sprint,Sprint Planning Meeting,Product Planning Meeting

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• 2D soft-body physics engines?

  - by Griffin

  Hi so i've recently learned the SFML graphics library and would like to use or make a non-rigid body 2D physics system to use with it. I have three questions: The definition of rigid body in Box2d is A chunk of matter that is so strong that the distance between any two bits of matter on the chunk is completely constant. And this is exactly what i don't want as i would like to make elastic, deformable, breakable, and re-connection bodies. 1. Are there any simple 2D physics engines, but with these kinds of characteristics out there? preferably free or opensource? 2. If not could i use box2d and work off of it to create it even if it's based on rigid bodies? 3. Finally, if there is a simple physics engine like this, should i go through with the proccess of creating a new one anyway, simply for experience and to enhance physics math knowledge? I feel like it would help if i ever wanted to modify the code of an existing engine, or create a game with really unique physics. Thanks!

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• How do I setup sendmail, postfix, or dovecot so that perl can send emails?

  - by M. Tibbits

  Direct Question: I want to enable Perl to send emails. What package(s) should I install to setup a simplistic email server: no need for incoming, only outgoing. I can forward through gmail's SMTP if that's best? Background: I am programmer with a nightly build script written in Perl. I would like to email myself the results of my nightly builds (especially if there's an error). I've read about the perl package Mail::Sendmail briefly, but if something else is more appropriate, please tell me!! I tried the simple aptget install sendmail, but that doesn't seem to work. I get the following errors: Server said: 421 4.3.0 collect: Cannot write ./dfp1PFXl7W020719 (bfcommit, uid=0, gid=120): No such file or directory message transmission error (421 4.3.0 collect: Cannot write ./dfp1PFXl7W020719 (bfcommit, uid=0, gid=120): No such file or directory ) Server said: 421 4.3.0 collect: Cannot write ./dfp1PFXl7W020719 (bfcommit, uid=0, gid=120): No such file or directory I've googled this problem a bit and tried a few things -- adding my username to /etc/mail/trusted-users and such, but to no avail. In other words, I would be most grateful if you could provide simple instructions for setting up an outgoing mail server. I really don't understand the specifics, but as I understand, I need to forward the mail through an existing SMTP server -- so I can use my gmail account if need be (that's where I want to send the logs anyway). Any suggestions would be most greatly appreciated.

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• Final Man vs. Machine Round of Jeopardy Unfolds; Watson Dominates

  - by ETC

  The final round of IBM’s Watson against Ken Jenning and Brad Rutter ended last night with Watson coming out in a strong lead against its two human opponents. Read on to catch a video of the match and see just how quick Watson is on the draw. Watson tore through many of the answers, the little probability bar at the bottom of the screen denoting it was often 95%+ confident in its answers. Some of the more interesting stumbles were, like in the last matches, based on nuance. By far the biggest “What?” moment of the night, however, was when it answered the Daily Double question of “The New Yorker’s 1959 review of this said in its brevity and clarity, it is ‘unlike most such manuals, a book as well as a tool’”. Watson, inexplicably, answered “Dorothy Parker”. You can win them all, eh? Check out the video below to see Watson in action on its final day. Latest Features How-To Geek ETC How to Enable User-Specific Wireless Networks in Windows 7 How to Use Google Chrome as Your Default PDF Reader (the Easy Way) How To Remove People and Objects From Photographs In Photoshop Ask How-To Geek: How Can I Monitor My Bandwidth Usage? Internet Explorer 9 RC Now Available: Here’s the Most Interesting New Stuff Here’s a Super Simple Trick to Defeating Fake Anti-Virus Malware The Citroen GT – An Awesome Video Game Car Brought to Life [Video] Final Man vs. Machine Round of Jeopardy Unfolds; Watson Dominates Give Chromium-Based Browser Desktop Notifications a Native System Look in Ubuntu Chrome Time Track Is a Simple Task Time Tracker Google Sky Map Turns Your Android Phone into a Digital Telescope Walking Through a Seaside Village Wallpaper

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• First time application where to start?

  - by Nazariy

  After many years of searches and copy pasting, I'm still looking for simple solution that can transliterate text input on the fly from one key set to another. There are quite few online services that provide this feature but it still quite annoying to go online all the time. Unfortunately there is not that many applications left which are capable of doing so, and none of them supported by this day. I decided to make my own and at same time to learn something new for my self. The idea is quite simple: application should sit in system tray and wait until input language get changed, for example to Russian. If Russian language is activated, application should start to listen for user key strokes combination and replace them based on custom dictionary for example R = ?, SH = ? etc. I should be able to bind application to any installed language (Russian, Ukrainian, Bulgarian, Belarusian etc.) and customise dictionary for any of them. So my question is: Which language should I chose for this task C++, C# or might be something hardcore like Assembler, as application should work natively with Windows XP/Vista/7 or possibly Mac. (cross platform support is good but my main target is Windows) Due to nature of application behaviour how can I tell anti-virus software that it is not a "Key Logger" and basically not a virus? Where should I start and what should I be aware of? P.S. My current programming knowledge is quite basic, PHP and JavaScript with Object Oriented approach.

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• 2D Tile Map files for Platformer, JSON or DB?

  - by Stephen Tierney

  I'm developing a 2D platformer with some uni friends. We've based it upon the XNA Platformer Starter Kit which uses .txt files to store the tile map. While this is simple it does not give us enough control and flexibility with level design. Some examples: for multiple layers of content multiple files are required, each object is fixed onto the grid, doesn't allow for rotation of objects, limited number of characters etc. So I'm doing some research into how to store the level data and map file. Reasoning for DB: From my perspective I see less redundancy of data using a database to store the tile data. Tiles in the same x,y position with the same characteristics can be reused from level to level. It seems like it would simple enough to write a method to retrieve all the tiles that are used in a particular level from the database. Reasoning for JSON: Visually editable files, changes can be tracked via SVN a lot easier. But there is repeated content. Do either have any drawbacks (load times, access times, memory etc) compared to the other? And what is commonly used in the industry? Currently the file looks like this: .................... .................... .................... .................... .................... .................... .................... .........GGG........ .........###........ .................... ....GGG.......GGG... ....###.......###... .................... .1................X. #################### 1 - Player start point, X - Level Exit, . - Empty space, # - Platform, G - Gem

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• Should I swap from WCF to NserviceBus

  - by Matt Roberts

  We have a central server that sends and recieves messages from a number of PCs that are located on client networks in various locations. To facilitate this, currently I'm using WCF with TCPNetBindings, using duplex communication secured with certificates. Now, we have a number of issues with this - mainly that we are being asked to support "disconnected mode" (we need to be fault tolerant). From what I know, there is no simple way to do this using the WCF stack - we'd need to implement something and perhaps use msmq. I've been looking at NServiceBus lately, and from I can see it seems to fit the bill well - fault tolerance, messages can be sent over the internet via a simple http gateway, etc. I know it's well respected in the community, and I can see why from looking into it. So, my question is...Does employing NServiceBus sound like a sensible idea, or does anyone have any other suggestions / real world experience that relate to this? I guess I'm worried of introducing a new tech that I know relatively little about, and facing problems with things like securing it, setting everything up in a reliable way, gotchas along the way.. I'm also wary of "gold-plating" the architecture, and choosing something shiny that will end up bogging me down in implementation versus sticking with WCF and just making it work for me.. Thanks!

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• Different methods of ammo resupply

  - by Chris Mantle

  I'm writing a small game at the moment. Presently, I have one or two design elements that aren't locked down yet, and I wanted to ask for input on one of these. For dramatic effect, the player's character in my game is immobilised, alone and has a supposedly limited amount of ammo for their weapons. However, I would like to periodically resupply the player with ammo (for the purpose of balancing the level of difficulty and to allow the player to continue if they're doing well). I'm trying to think of a method of resupply that's different to the more familiar strategies of making ammo magically appear or having the antagonists drop some when they die. I'd like to emphasise the notion of the player's isolation as much as possible, and finding a way of 'sneaking' ammo to the player without removing too much of that emphasis is basically what I'm trying to think of (it's definitely a valid argument that resupplying the player removes it anyway) I have considered a sort of simple in-game 'store', where kills get you points that you can spend on ammo for your favourite weapon. This might work well, and may also be good for supporting a simple micro-transaction business model within the game. However, you'd have to pause the game often to make purchases, which would interrupt the action, and it works against the notion of isolation. Any thoughts?

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• Separation of development responsibilities in a new project

  - by dreza

  We have very recently started a new project (MVC 3.0) and some of our early discussion has been around how the work and development will be split amongst the team members to ensure we get the least amount of overlap of work and so help make it a bit easier for each developer to get on and do their work. The project is expected to take about 6 months - 1 year (although not all developers are likely to be on and might filter off towards the end), Our team is going to be small so this will help out a bit I believe. The team will essentially consist of: 3 x developers (All different levels i.e. more senior, intermediate and junior) 1 x project manager / product owner / tester An external company responsbile for doing our design work General project/development decisions so far have included: Develop in an Agile way using SCRUM techniques (We are still very much learning this approach as a company) Use MVVM archectecture Use Ninject and DI where possible Attempt to use as TDD as much as possible to drive development. Keep our controllers as skinny as possible Keep our views as simple as possible During our discussions two approaches have been broached as too how to seperate the workload given our objectives outlined above. OPTION 1: A framework seperation where each person is responsible for conceptual areas with overlap and discussion primarily in the integration areas. The integration areas would the responsibily of both developers as required. View prototypes (**Graphic designer**) | - Mockups | Views (Razor and view helpers etc) & Javascript (**Developer 1**) | - View models (Integration point) | Controllers and Application logic (**Developer 2**) | - Models (Integration point) | Domain model and persistence (**Developer 3**) OPTION 2: A more task orientated approach where each person is responsible for the completion of the entire task (story) from view - controller - model. QUESTION: For those who have worked in small teams developing MVC projects how have you managed the workload distribution in this situation. I can't imagine the junior would be responsible for building parts of the underlying architecture so would given them responsibility for the view make sense considering we are trying to keep it simple?

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• Functional programming and stateful algorithms

  - by bigstones

  I'm learning functional programming with Haskell. In the meantime I'm studying Automata theory and as the two seem to fit well together I'm writing a small library to play with automata. Here's the problem that made me ask the question. While studying a way to evaluate a state's reachability I got the idea that a simple recursive algorithm would be quite inefficient, because some paths might share some states and I might end up evaluating them more than once. For example, here, evaluating reachability of g from a, I'd have to exclude f both while checking the path through d and c: So my idea is that an algorithm working in parallel on many paths and updating a shared record of excluded states might be great, but that's too much for me. I've seen that in some simple recursion cases one can pass state as an argument, and that's what I have to do here, because I pass forward the list of states I've gone through to avoid loops. But is there a way to pass that list also backwards, like returning it in a tuple together with the boolean result of my canReach function? (although this feels a bit forced) Besides the validity of my example case, what other techniques are available to solve this kind of problems? I feel like these must be common enough that there have to be solutions like what happens with fold* or map. So far, reading learnyouahaskell.com I didn't find any, but consider I haven't touched monads yet. (if interested, I posted my code on codereview)

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• CodePlex Daily Summary for Saturday, June 09, 2012

  CodePlex Daily Summary for Saturday, June 09, 2012Popular ReleasesARCBots API Program: ARCBots API Program v3 STABLE: Stable Release, you can find the update notes in the source code.Microsoft SQL Server Product Samples: Database: AdventureWorks Sample Reports 2008 R2: AdventureWorks Sample Reports 2008 R2.zip contains several reports include Sales Reason Comparisons SQL2008R2.rdl which uses Adventure Works DW 2008R2 as a data source reference. For more information, go to Sales Reason Comparisons report.RULI Chain Code Image Generator: RULI Chain Code BW Image Generator v. 0.4: added features: - 3x3 bitmask support - 7x7 bitmask support - app icon added some refactoring for later library-creationThe Chronicles of Asku: Alpha Test v1.1: Welcome to the Chronicles of Asku alpha test. The current state of the game is 2 tomb floors, level 10 cap, and almost all core systems in the game, excluding a store that you buy armor in. This is just a test for downloading the game, and severe bug hunts... INSTRUCTIONS: When you download the folder, right click within the folder and select EXTRACT ALL Run Setup.exe Follow any on screen instructions DO NOT TRY TO LOAD A CHARACTER IF YOU HAVE NEVER SAVED ONE BEFORE Patch 1.1 -Added a...Json.NET: Json.NET 4.5 Release 7: Fix - Fixed Metro build to pass Windows Application Certification Kit on Windows 8 Release Preview Fix - Fixed Metro build error caused by an anonymous type Fix - Fixed ItemConverter not being used when serializing dictionaries Fix - Fixed an incorrect object being passed to the Error event when serializing dictionaries Fix - Fixed decimal properties not being correctly ignored with DefaultValueHandlingLINQ Extensions Library: 1.0.3.0: New to release 1.0.3.0:Combinatronics: Combinations (unique) Combinations (with repetition) Permutations (unique) Permutations (with repetition) Convert jagged arrays to fixed multidimensional arrays Convert fixed multidimensional arrays to jagged arrays ElementAtMax ElementAtMin ElementAtAverage New set of array extension (1.0.2.8):Rotate Flip Resize (maintaing data) Split Fuse Replace Append and Prepend extensions (1.0.2.7) IndexOf extensions (1.0.2.7) Ne...Audio Pitch & Shift: Audio Pitch And Shift 4.5.0: Added Instruments tab for modules Open folder content feature Some bug fixesPython Tools for Visual Studio: 1.5 Beta 1: We’re pleased to announce the release of Python Tools for Visual Studio 1.5 Beta. Python Tools for Visual Studio (PTVS) is an open-source plug-in for Visual Studio which supports programming with the Python language. PTVS supports a broad range of features including: • Supports CPython, IronPython, Jython and PyPy • Python editor with advanced member, signature intellisense and refactoring • Code navigation: “Find all refs”, goto definition, and object browser • Local and remote debugging •...Circuit Diagram: Circuit Diagram 2.0 Beta 1: New in this release: Automatically flip components when placing Delete components using keyboard delete key Resize document Document properties window Print document Recent files list Confirm when exiting with unsaved changes Thumbnail previews in Windows Explorer for CDDX files Show shortcut keys in toolbox Highlight selected item in toolbox Zoom using mouse scroll wheel while holding down ctrl key Plugin support for: Custom export formats Custom import formats Open...Umbraco CMS: Umbraco CMS 5.2 Beta: The future of Umbracov5 represents the future architecture of Umbraco, so please be aware that while it's technically superior to v4 it's not yet on a par feature or performance-wise. What's new? For full details see our http://progress.umbraco.org task tracking page showing all items complete for 5.2. In a nutshellPackage Builder Starter Kits Dynamic Extension Methods Querying / IsHelpers Friendly alt template URLs Localization Various bug fixes / performance enhancements Gett...JayData - The cross-platform HTML5 data-management library for JavaScript: JayData 1.0.5: JayData is a unified data access library for JavaScript developers to query and update data from different sources like WebSQL, IndexedDB, OData, Facebook or YQL. See it in action in this 6 minutes video New features in JayData 1.0.5http://jaydata.org/blog/jaydata-1.0.5-is-here-with-authentication-support-and-more http://jaydata.org/blog/release-notes Sencha Touch 2 module (read-only)This module can be used to bind data retrieved by JayData to Sencha Touch 2 generated user interface. (exam...32feet.NET: 3.5: This version changes the 32feet.NET library (both desktop and NETCF) to use .NET Framework version 3.5. Previously we compiled for .NET v2.0. There are no code changes from our version 3.4. See the 3.4 release for more information. Changes due to compiling for .NET 3.5Applications should be changed to use NET/NETCF v3.5. Removal of class InTheHand.Net.Bluetooth.AsyncCompletedEventArgs, which we provided on NETCF. We now just use the standard .NET System.ComponentModel.AsyncCompletedEvent...DotNetNuke® Links: 06.02.01: Added new DNN 6.2.0 beta social feature "friends" BugfixesApplication Architecture Guidelines: Application Architecture Guidelines 3.0.7: 3.0.7Jolt Environment: Jolt v2 Stable: Many new features. Follow development here for more information: http://www.rune-server.org/runescape-development/rs-503-client-server/projects/298763-jolt-environment-v2.html Setup instructions in downloadSharePoint Euro 2012 - UEFA European Football Predictor: havivi.euro2012.wsp (1.5): New fetures:Multilingual Support Max users property in Standings Web Part Games time zone change (UTC +1) bug fix - Version 1.4 locking problem http://euro2012.codeplex.com/discussions/358262 bug fix - Field Title not found (v.1.3) German SP http://euro2012.codeplex.com/discussions/358189#post844228 Bug fix - Access is denied.for users with contribute rights Bug fix - Installing on non-English version of SharePoint Bug fix - Title Rules Installing SharePoint Euro 2012 PredictorSharePoint E...myManga: myManga v1.0.0.4: ChangeLogUpdating from Previous Version: Extract contents of Release - myManga v1.0.0.4.zip to previous version's folder. Replaces: myManga.exe BakaBox.dll CoreMangaClasses.dll Manga.dll Plugins/MangaReader.manga.dll Plugins/MangaFox.manga.dll Plugins/MangaHere.manga.dll Plugins/MangaPanda.manga.dllMVVM Light Toolkit: V4RC (binaries only) including Windows 8 RP: This package contains all the latest DLLs for MVVM Light V4 RC. It includes the DLLs for Windows 8 Release Preview. An updated Nuget package is also available at http://nuget.org/packages/MvvmLightLibsPreviewExtAspNet: ExtAspNet v3.1.7: +2012-06-03 v3.1.7 -?????????BUG，??????RadioButtonList?，AJAX????????BUG（swtseaman、????）。 +?Grid?BoundField、HyperLinkField、LinkButtonField、WindowField??HtmlEncode?HtmlEncodeFormatString（TiDi）。 -HtmlEncode?HtmlEncodeFormatString??????true，??????HTML????????。 -??????Asp.Net??GridView?BoundField?????????。 -http://msdn.microsoft.com/en-us/library/system.web.ui.webcontrols.boundfield.htmlencode -?Grid?HyperLinkField、WindowField??UrlEncode??，????URL??（???true）。 -?????????????，?????????????...LiveChat Starter Kit: LCSK v1.5.2: New features: Visitor location (City - Country) from geo-location Pass configuration via javascript for the chat box New visitor identification (no more using the IP address as visitor identification) To update from 1.5.1 Run the /src/1.5.2-sql-updates.txt SQL script to update your database tables. If you have it installed via NuGet, simply update your package and the file will be included so you can run the update script. New installation The easiest way to add LCSK to your app is by...New ProjectsAdvanceWars: Advance Wars For NetARCBots API Program: This is a simple API program designed for quick use for the ARCBots API.AutoUpdaterdotNET: AutoUpdater.NET is a class library that allows .net developers to easily add auto update functionality to their project.C++ AMP Conformance Test Suite: C++ AMP Conformance Test Suite contains a set of tests to aid in verifying compiler, library, and runtime behaviors as specified in the C++ AMP open specification. DynamicObjectProxy: DOP (Dynamic Object Proxy) é uma biblioteca que permite que qualquer método de qualquer objeto possa ser interceptado através de um proxy dinâmico. Ao interceptar um método, pode-se decorar o objeto, alterando ou recuperando informações sobre o seu comportamento. Extremamente útil para logs, verificações de transações, etc. DOP (Dynamic Object Proxy) is a library that contains classes that makes it possible that any method of any object can be intercepted by a dynamic proxy. By interceptin...EAIP: ???????? Flatland: Artificial life, or A-Life, is a broad and ever emerging field that has found its applications in almost any field: economics, medicine, traffic planning, shopping habits, patterns in music. And it is evident that work with modelling logical life in artificial environments is a necessity for the future software developer. Abbots novella "Flatland: A Romance of Many Dimensions" describes the two dimensional world "Flatland", where life is geometrical shapes that have human-like emotions, but...GameAudioSystem: Simple Audio Game System written with OpenAL to be used with Ogre3D.HyperionSS2P - Simple scan to pdf solution: Simple scan to pdf solution.Issue Impala: Issue Impala is a powerful and elegant issue tracker.KoekyGL Wrapper: A .net wrapper for OpenGL aimed at making it easy to use OpenGL.Marik Sample Project: This is a sample by KitMongoDB Managment Client: Development MongoDB Web client. HTML 5 jQuery. One page web application. When Windows 8 metro is released then Metro style application To.MongoDB.Dynamic: MongoDB.Dynamic is a personal project that I’ve started when I was developing my first application targeting MongoDB as DBMS, using the “official driver” MongoDB.Driver, supported by 10gen. The objective is to provide a lightweight library with some interesting features that speed up development for desktop/web applications that accesses MongoDB databases. MongoDB.Dynamic is oriented to interfaces. You don’t need to create concrete classes of your entities, all you need to do is setup your...My Google Workspace: An easy way to create documents search at Google and read your emails and Much moreqzgfjava: git????，?android??“??”???SP Sticky Notes: SP Sticky Notes allows your users to add sticky notes to a page on your SharePoint site.Weather3: It's Metro Style AppXNA Scumm: This is a rewrite of the ScummVM engine using XNA. ScummVM is an engine that runs old school LucasArts graphical adventure games. It is written completely in C# and the first version will run on PC and Xbox 360. A Windows phone version will probably follow. Of course, you will need to own the original games in order to use it. I will start my work by The Secret of Monkey Island, more specifically the VGA CD version. Monkey Island 2: LeChuck's Revenge and Indiana Jones 4 and Fate of Atl...YoG Community Game: This project is a game, being developed by several members of the Yogscast Community Forums. It is a top-down shooter, based around the protagonist 'Joe', and his adventures through TV shows every day.

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• Examples of permission-based authorization systems in .Net?

  - by Rachel

  I'm trying to figure out how to do roles/permissions in our application, and I am wondering if anyone knows of a good place to get a list of different permission-based authorization systems (preferably with code samples) and perhaps a list of pros/cons for each method. I've seen examples using simple dictionaries, custom attributes, claims-based authorization, and custom frameworks, but I can't find a simple explanation of when to use one over another and what the pros/cons are to using each method. (I'm sure there's other ways than the ones I've listed....) I have never done anything complex with permissions/authorization before, so all of this seems a little overwhelming to me and I'm having trouble figuring out what what is useful information that I can use and what isn't. What I DO know is that this is for a Windows environment using C#/WPF and WCF services. Some permission checks are done on the WCF service and some on the client. Some are business rules, some are authorization checks, and others are UI-related (such as what forms a user can see). They can be very generic like boolean or numeric values, or they can be more complex such as a range of values or a list of database items to be checked/unchecked. Permissions can be set on the group-level, user-level, branch-level, or a custom level, so I do not want to use role-based authorization. Users can be in multiple groups, and users with the appropriate authorization are in charge of creating/maintaining these groups. It is not uncommon for new groups to be created, so they can't be hard-coded.

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• Inline Image in ASP.NET

  - by Ricardo Peres

  Inline images is a technique that, instead of referring to an external URL, includes all of the image’s content in the HTML itself, in the form of a Base64-encoded string. It avoids a second browser request, at the cost of making the HTML page slightly heavier and not using cache. Not all browsers support it, but current versions of IE, Firefox and Chrome do. In order to use inline images, you must write the img element’s src attribute like this: 1: <img src="data:image/gif;base64,R0lGODlhEAAOALMAAOazToeHh0tLS/7LZv/0jvb29t/f3//Ub/ 2: /ge8WSLf/rhf/3kdbW1mxsbP//mf///yH5BAAAAAAALAAAAAAQAA4AAARe8L1Ekyky67QZ1hLnjM5UUde0ECwLJoExKcpp 3: V0aCcGCmTIHEIUEqjgaORCMxIC6e0CcguWw6aFjsVMkkIr7g77ZKPJjPZqIyd7sJAgVGoEGv2xsBxqNgYPj/gAwXEQA7" 4: width="16" height="14" alt="embedded folder icon"/> The syntax is: data:[<mediatype>][;base64],<data> I developed a simple control that allows you to use inline images in your ASP.NET pages. Here it is: 1: public class InnerImage: Image 2: { 3: protected override void OnInit(EventArgs e) 4: { 5: String imagePath = this.Context.Server.MapPath(this.ImageUrl); 6: String extension = Path.GetExtension(imagePath).Substring(1); 7: Byte[] imageData = File.ReadAllBytes(imagePath); 8:  9: this.ImageUrl = String.Format("data:image/{0};base64,{1}", extension, Convert.ToBase64String(imageData)); 10:  11: base.OnInit(e); 12: } 13: } Simple, don’t you think?

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• Unit testing statically typed functional code

  - by back2dos

  I wanted to ask you people, in which cases it makes sense to unit test statically typed functional code, as written in haskell, scala, ocaml, nemerle, f# or haXe (the last is what I am really interested in, but I wanted to tap into the knowledge of the bigger communities). I ask this because from my understanding: One aspect of unit tests is to have the specs in runnable form. However when employing a declarative style, that directly maps the formalized specs to language semantics, is it even actually possible to express the specs in runnable form in a separate way, that adds value? The more obvious aspect of unit tests is to track down errors that cannot be revealed through static analysis. Given that type safe functional code is a good tool to code extremely close to what your static analyzer understands. However a simple mistake like using x instead of y (both being coordinates) in your code cannot be covered. However such a mistake could also arise while writing the test code, so I am not sure whether its worth the effort. Unit tests do introduce redundancy, which means that when requirements change, the code implementing them and the tests covering this code must both be changed. This overhead of course is about constant, so one could argue, that it doesn't really matter. In fact, in languages like Ruby it really doesn't compared to the benefits, but given how statically typed functional programming covers a lot of the ground unit tests are intended for, it feels like it's a constant overhead one can simply reduce without penalty. From this I'd deduce that unit tests are somewhat obsolete in this programming style. Of course such a claim can only lead to religious wars, so let me boil this down to a simple question: When you use such a programming style, to which extents do you use unit tests and why (what quality is it you hope to gain for your code)? Or the other way round: do you have criteria by which you can qualify a unit of statically typed functional code as covered by the static analyzer and hence needs no unit test coverage?

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• How to restrict paddle movement using Farseer Physics engine 3.2

  - by brainydexter

  I am new to using Farseer Physics Engine 3.2(FPE), so please bear with my questions. Also, since FPE 3.2 is based on Box2D, I have been reading Box2D manual and pieces of code scattered in samples to better understand terminology and usage. Pong is usually my testbed whenever I try to do something new. Here is one of the issue I am running into: How can I restrict paddles to move only along Y axis, because the ball comes in and knocks off the paddles and everything floats in space afterwards ? (Box = Rectangle and ball = circle) I know MKS is the unit system, but is there a recommendation for sizes/position to be used ? I know this is a very generic question, but it would be good to know a simple set of values that one could use for making a game as simple as pong. Between box2d and FPE, I have some doubts: what is the recommended way of making a body in FPE ? world.CreateBody() does not exist in FPE Box2d manual recommends never to "new" body(since Box2D uses Small Object allocators), so is there a recommended way in Farseer to create a body (apart from factories) ? In box2d, it is recommended to keep a track of the body object, since it is also the parent to fixture(s). Why is it that in most of the examples, the fixture object is tracked ? Is there a reason why body is not tracked ? Thanks

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• CodePlex Daily Summary for Sunday, February 27, 2011

  CodePlex Daily Summary for Sunday, February 27, 2011Popular ReleasesVidCoder: 0.8.2: Updated auto-naming to handle seconds and frames ranges as well. Deprecated the {chapters} token for auto-naming in favor of {range}. Allowing file drag to preview window and enabling main window shortcut keys to work no matter what window is focused. Added option in config to enable giving custom names to audio tracks. (Note that these names will only show up certain players like iTunes or on the iPod. Players that support custom track names normally may not show them.) Added tooltips ...DirectQ: Release 1.8.7 Beta 2: Beta 2 release to fix some early reported problems with the original 1.8.7 Beta.Chiave File Encryption: Chiave 0.9.2: Release Notes Application for file encryption and decryption using 512 Bit rijndael encyrption algorithm with simple to use UI. Its written in C# and compiled in .Net version 3.5. It incorporates features of Windows 7 like Jumplists, Taskbar progress and Aero Glass. Now with added support to Windows XP! Change Log from 0.9.1 to 0.9.2: ==================== Added: > Now it displays number of files added in the wizard to the Window Title bar. > Added support to Windows XP. > Minor UI tweaks. I...Claims Based Identity & Access Control Guide: Drop 1 - Claims Identity Guide V2: Highlights of drop #1 This is the first drop of the new "Claims Identity Guide" edition. In this release you will find: All previous samples updated and enhanced. All code upgraded to .NET 4 and Visual Studio 2010. Extensive cleanup. Refactored Simulated Issuers: each solution now gets its own issuers. This results in much cleaner and simpler to understand code. Added Single Sign Out support. Added first sample using ACS ("ACS as a Federation Provider"). This sample extends the ori...Simple Notify: Simple Notify Beta 2011-02-25: Feature: host the service with a single click in console Feature: host the service as a windows service Feature: notification cient application Feature: push client application Feature: push notifications from your powershell script Feature: C# wrapper libraries for your applicationsMono.Addins: Mono.Addins 0.6: The 0.6 release of Mono.Addins includes many improvements, bug fixes and new features: Add-in engine Add-in name and description can now be localized. There are new custom attributes for defining them, and can also be specified as xml elements in an add-in manifest instead of attributes. Support for custom add-in properties. It is now possible to specify arbitrary properties in add-ins, which can be queried at install time (using the Mono.Addins.Setup API) or at run-time. Custom extensio...patterns & practices: Project Silk: Project Silk Community Drop 3 - 25 Feb 2011: IntroductionWelcome to the third community drop of Project Silk. For this drop we are requesting feedback on overall application architecture, code review of the JavaScript Conductor and Widgets, and general direction of the application. Project Silk provides guidance and sample implementations that describe and illustrate recommended practices for building modern web applications using technologies such as HTML5, jQuery, CSS3 and Internet Explorer 9. This guidance is intended for experien...PhoneyTools: Initial Release (0.1): This is the 0.1 version for preview of the features.Minemapper: Minemapper v0.1.5: Now supports new Minecraft beta v1.3 map format, thanks to updated mcmap. Disabled biomes, until Minecraft Biome Extractor supports new format.Smartkernel: Smartkernel: ????，??????Coding4Fun Tools: Coding4Fun.Phone.Toolkit v1.2: New control, Toast Prompt! Removed progress bar since Silverlight Toolkit Feb 2010 has it.Umbraco CMS: Umbraco 4.7: Service release fixing 31 issues. A full changelog will be available with the final stable release of 4.7 Important when upgradingUpgrade as if it was a patch release (update /bin, /umbraco and /umbraco_client). For general upgrade information follow the guide found at http://our.umbraco.org/wiki/install-and-setup/upgrading-an-umbraco-installation 4.7 requires the .NET 4.0 framework Web.Config changes Update the web web.config to include the 4 changes found in (they're clearly marked in...HubbleDotNet - Open source full-text search engine: V1.1.0.0: Add Sqlite3 DBAdapter Add App Report when Query Cache is Collecting. Improve the performance of index through Synchronize. Add top 0 feature so that we can only get count of the result. Improve the score calculating algorithm of match. Let the score of the record that match all items large then others. Add MySql DBAdapter Improve performance for multi-fields sort . Using hash table to access the Payload data. The version before used bin search. Using heap sort instead of qui...DJME - The jQuery extensions for ASP.NET MVC: DJME2 -The jQuery extensions for ASP.NET MVC beta3: Grid jQuery Mvc extension is added,the Grid extension support data binding, server / client (ajax) mode, master/detail view, scrolling, paging, filtering, grouping and sorting. For more product info you can goto http://www.dotnetage.com/djme.htmlSilverlight????[???]: silverlight????[???]2.0: ???????，?????，????????silverlight??????。DBSourceTools: DBSourceTools_1.3.0.0: Release 1.3.0.0 Changed editors from FireEdit to ICSharpCode.TextEditor. Complete re-vamp of Intellisense ( further testing needed). Hightlight Field and Table Names in sql scripts. Added field dropdown on all tables and views in DBExplorer. Added data option for viewing data in Tables. Fixed comment / uncomment bug as reported by tareq. Included Synonyms in scripting engine ( nickt_ch ).IronPython: 2.7 Release Candidate 1: We are pleased to announce the first Release Candidate for IronPython 2.7. This release contains over two dozen bugs fixed in preparation for 2.7 Final. See the release notes for 60193 for details and what has already been fixed in the earlier 2.7 prereleases. - IronPython TeamCaliburn Micro: A Micro-Framework for WPF, Silverlight and WP7: Caliburn.Micro 1.0 RC: This is the official Release Candicate for Caliburn.Micro 1.0. The download contains the binaries, samples and VS templates. VS Templates The templates included are designed for situations where the Caliburn.Micro source needs to be embedded within a single project solution. This was targeted at government and other organizations that expressed specific requirements around using an open source project like this. NuGet This release does not have a corresponding NuGet package. The NuGet pack...Rawr: Rawr 4.0.20 Beta: Rawr is now web-based. The link to use Rawr4 is: http://elitistjerks.com/rawr.phpThis is the Cataclysm Beta Release. More details can be found at the following link http://rawr.codeplex.com/Thread/View.aspx?ThreadId=237262 As of the 4.0.16 release, you can now also begin using the new Downloadable WPF version of Rawr!This is a pre-alpha release of the WPF version, there are likely to be a lot of issues. If you have a problem, please follow the Posting Guidelines and put it into the Issue Trac...PowerGUI Visual Studio Extension: PowerGUI VSX 1.3.2: New FeaturesPowerGUI Console Tool Window PowerShell Project Type PowerGUI 2.4 SupportNew ProjectsAppology SugarSync API: A SugarSync API for Windows Desktop, Silverlight, and Windows Phone 7.CodeField - collection of sample code on algorithms: Collection of sample code on algorithms. It's contributed by myself. There's no plan to release them as a single product or part of it.Donsole: A live debugger console for windows client applications.F# AlgoLib: F# Algorithm Library - fully open source - under constructionFileShred: An easy-to-use secure File ShredderHyperlinked Validation System for WinForms: A very small system for validating complex forms in WinForms. It´s simple to use and takes a massive piece of work.KFtpClient - Ftp client (core et helper): <project name>kFtpClientmanagedCUDA: managedCUDA makes the CUDA Driver API available in .net. It also includes classes for an easy handling and interop with CUDA, i.e. build-in CUDA types like float3, but also classes for thread safe CUDA-context handling.Mini Dots: A simplified dots game with two remote playersMovieCollection: Programm to manage movie filesMSForge NextGen: MSForge NextGen je projekat izrade novog web sajta za MIcrosoft Community u Srbiji, što obuhvata izradu nekoliko wireframe-ova, dizajn Orchard CMS tema, alata za migraciu sadržaja sa starog sajta...OdeToFood: For people who love food ... and code. This is a sample application for ASP.NET MVC 3 using C# and Razor. PanzerTemplate: PanzerTemplate ????? http://zsharedcode.googlecode.com/ ???，??? zsharedcode ? panzer ?????????，??? DataWindowCore，IEBrowser ?，?? panzer ?????，??????????????。 ??????????????，???????????????。Sanal bildirimler: Sanal bildirisilverlight123_Shreous_Internal: This an project developed for internal purposeSkyper: TODOThai Airway & Nok Air WP7 App.: Flight Booking, Flight Info, Flight Check In.TicketValidator: A .net CF application to validate tickets with a barcode. A Denso BHT-420BW is used in my case.Toggl Time Traking for Windows Phone 7: Toggl is a web application that provides an easy way to track time spent on projects. It works well for both teams and freelancers. Unida Gestão Acadêmica: Sistema de Gestão Acadêmica

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• Resolution Independence in libGDX

  - by ashes999

  How do I make my libGDX game resolution/density independent? Is there a way to specify image sizes as "absolute" regardless of the underlying density? I'm making a very simple kids game; just a bunch of sprites displayed on-screen, and some text for menus (options menu primarily). What I want to know is: how do I make my sprites/fonts resolution independent? (I have wrapped them in my own classes to make things easier.) Since it's a simple kids game, I don't need to worry about the "playable area" of the game; I want to use as much of the screen space as possible. What I'm doing right now, which seems super incorrect, is to simply create images suitable for large resolutions, and then scale down (or rarely, up) to fit the screen size. This seems to work okay (in the desktop version), even with linear mapping on my textures, but the smaller resolutions look ugly. Also, this seems to fly in the face of Android's "device independent pixels" (DPs). Or maybe I'm missing something and libGDX already takes care of this somehow? What's the best way to tackle this? I found this link; is this a good way of solving the problem?: http://www.dandeliongamestudio.com/2011/09/12/android-fragmentation-density-independent-pixel-dip/ It mentions how to control the images, but it doesn't mention how to specify font/image sizes regardless of density.

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• Rasbperry Pi Mod Offers One Button Audiobook Playback

  - by Jason Fitzpatrick

  How do you design an audiobook player for an elderly book lover who doesn’t want to wrestle with new technology? Simple and with a single button interface is a great place to start. This clever and thoughtful build comes to us courtesy of tinker Michael Clemens. His wife’s grandmother, in her 90s, is visually impaired but still loves to take in books via audiobooks. In an effort to make modern MP3 audiobooks accessible to her, Michael built a dedicated audiobook reader based off Rasbperry Pi and programmed it to use a single button. The system boots, loads the audiobook it finds on the attached USB drive, and loads up its track position from memory. Press the button to resume play or, for a refresher, hold the button for four seconds to start the track over. While you may not be in the market for a one-button audiobook player for an elderly relative, the same simple design could be easily adopted, via new scripts, to another function. Hit up the link below to read more about the build. The One Button Audiobook Player [via Hack A Day] How To Play DVDs on Windows 8 6 Start Menu Replacements for Windows 8 What Is the Purpose of the “Do Not Cover This Hole” Hole on Hard Drives?

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• Alert for Forms customers running Oracle Forms 10g

  - by Grant Ronald

  Doesn’t time fly!  While you might have been happily running your Forms 10g applications for about 5 years or so now, the end of premier support is creeping up and you need to start planning for a move to Oracle Forms 11g. The premier support end date in December 31st 2011 and this is documented in Note: 1290974.1 available from MOS. So how much of an impact is this going to be?  Maybe not as much as you think.  While Forms 11g is based on WebLogic Server (WLS),10g was based  on OC4J.  That in itself doesn’t impact Forms much.  In most case it will simply be a recompile of your Forms source files and redeploy on WLS 11g. The Forms builder is the same in 11g as in 10g although its currently not available as a separate download from the main middleware bundle.  You can also look at a WLS Basic license option which means you shouldn’t have to shell out on upgrading to a WLS Suite license option. So what’s the proof in this being a relatively straightforward upgrade?  Well, we’ve had a big uptake of Forms 11g already (which has itself been out for over 2 years).  Read about BT Expedite’s upgrade where “The upgrade of Forms from Oracle Forms 10g to Oracle Forms 11g was relatively simple and on the whole, was just a recompilation”.  Or AMEC where “This has been one of the easiest Forms conversions we’ve ever done and it was a simple recompile in all cases” So if you are on 10g (or even earlier versions) I’d strongly consider starting your planning for an upgrade to 11g now. As always, if you have any questions about this you can post on the OTN forums.

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• Need help understanding XNA 4.0 BoundingBox vs BoundingSphere Intersection

  - by nerdherd

  I am new to both game programming and XNA, so I apologize if I'm missing a simple concept or something. I have created a simple 3D game with a player and a crate and I'm working on getting my collision detection working properly. Right now I am using a BoundingSphere for my player, and a BoundingBox for the crate. For some reason, XNA only detects a collision when my player's sphere touches the front face of the crate. I'm rendering all the BoundingSpheres and BoundingBoxes as wire frames so I can see what's going on, and everything visually appears to be correct, but I can't figure out this behavior. I have tried these checks: playerSphere.Intersects(crate.getBoundingBox()) playerSphere.Contains(crate.getBoundingBox(), ContainmentType.Intersects) playerSphere.Contains(crate.getBoundingBox()) != ContainmentType.Disjoint But they all seem to produce the same behavior (in other words, they are only true when I hit the front face of the crate). The interesting thing is that when I use a BoundingSphere for my crate the collision is detected as I would expect, but of course this makes the edges less accurate. Any thoughts or ideas? Have I missed something about how BoundingSpheres and BoundingBoxes compute their intersections? I'd be happy to post more code or screenshots to clarify if needed. Thanks!

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• Traffic estimation for a multiplayer flash game

  - by Steve Addington

  hey, i want to know if my rough traffic estimations are right, it would be for a pretty simple realtime flashgame in the style of haxball (but not as a soccer game) heres a video of it http://www.youtube.com/watch?v=z_xBdFg1RcI So here comes my estimation, i dont know if they are realistic! i hope someone can help me. consider the packet attached as a typical one sent every 200ms, its 148bytes + 64 bytes of header will make around a 200bytes packet. The server will receive 200bytes x 6 players x 5 times a sec=6000bytes/s=5.85Kbytes/s=46.9kbit/s plus he has to send all back to the players, so at this point are 94Kbit/s.The server received all the information, perform the definitive calculation and send the new position to all players, in a bigger packet of around 900bytes that have to be delivered to the others 6, which makes 900bytes x 6 players x 5 times a sec=27000bytes/s=26Kbytes/s=210kbit/s. overall that would be 26kbyte per second. thats like 130mb traffic per hour for a 6player room. but somehow i think the numbers are too high? that would be really much traffic for such a simple game. did i calculate something wrong?

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• Catch Me If You Can

  - by Knut Vatsendvik

  Suppose you have a Proxy based Web Service using Oracle Service Bus. In a stage in the request pipeline,  you are using a Publish action to publish the incoming message to a JMS queue using a Business Service. What if the outbound transport provider throws an exception (outside of your pipeline)? Is your pipeline able to catch the error with an error handler?? This situation could occur because of a faulty connection, suspended queue, or some other reason. Here is the Request Pipeline in our simple test case. With an Error Handler added to the message flow containing a simple Log action. By default, the Publish action will invoke the service in a fire and forget fashion. Therefore any exception that occurs in the outbound transport will go unnoticed as shown in the following Invocation Trace. So what now? In a message flow, you can apply a Routing Options action to modify any or all of the following properties in the outbound request: URI, Quality of Service, Mode, Retry parameters, Message Priority. Now add the Routing Options action to the Request Action as shown below. Click the Routing Options to display its properties in the Properties View. Select the QoS option to set the Quality of Service element. Select Exactly Once to override the default setting, and Republish the project. The invocation will now block until the message is completely processed. Trying the same test case as earlier generates the following Invocation Trace showing that the Error Handler is now triggered.

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