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  • how to draw rectangle around mouse cursor in java?

    - by Nitz
    hey guys i had made one module in my project, on which user can draw any thing using pencil now i want to create eraser for that drawing module so i need that as soon as user click on that eraser button then, around my mouse cursor i want little rectangle shape around it. so user can use it to erase the some parts in drawing. may be smilier kind of things happen in mspaint but i am doing this in java - swing. how to do this, any suggestion? thanks in advance... nitz.

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  • How do I import my first sprites?

    - by steven_desu
    Continuing from this question (new question - now unrelated) So I have a thorough background in programming already (algorithms, math, logic, graphing problems, etc.) however I've never attempted to code a game before. In fact, I've never had anything more than minimal input from a user during the execution of a program. Generally input was given from a file or passed through console, all necessary functions were performed, then the program terminated with an output. I decided to try and get in on the world of game development. From several posts I've seen around gamedev.stackexchange.com XNA seems to be a favorite, and it was recommended to me when I asked where to start. I've downloaded and installed Visual Studio 2010 along with the XNA Framework and now I can't seem to get moving in the right direction. I started out looking on Google for "xna game studio tutorial", "xna game development beginners", "my first xna game", etc. I found lots of crap. The official "Introduction to Game Studio 4.0" gave me this (plus my own train of thought happily pasted on top thanks to MSPaint): http://tinypic.com/r/2w1sgvq/7 The "Get Additional Help" link (my best guess, since there was no "Continue" or "Next" link) lead me to this page: http://tinypic.com/r/2qa0dgx/7 I tried every page. The forum was the only thing that seemed helpful, however searching for "beginner", "newbie", "getting started", "first project", and similar on the forums turned up many threads with specific questions that are a bit above my level ("beginner to collision detection", for instance) Disappointed I returned to the XNA Game Studio home page. Surely their own website would have some introduction, tutorial, or at least a useful link to a community. EVERYTHING on their website was about coding Windows Phone 7.... Everything. http://tinypic.com/r/10eit8i/7 http://tinypic.com/r/120m9gl/7 Giving up on any official documentation after a while, I went back to Google. I managed to locate www.xnadevelopment.com. The website is built around XNA Game Studio 3.0, but how different can 3.0 be from 4.0?.... Apparently different enough. http://tinypic.com/r/5d8mk9/7 http://tinypic.com/r/25hflli/7 Figuring that this was the correct folder, I right-clicked.... http://tinypic.com/r/24o94yu/7 Hmm... maybe by "Add Content Reference" they mean "Add a reference to an existing file (content)"? Let's try it (after all- it's my only option) http://tinypic.com/r/2417eqt/7 At this point I gave up. I'm back. My original goal in my last question was to create a keyboard-navigable 3D world (no physics necessary, no logic or real game necessary). After my recent failures my goal has been revised. I want to display an image on the screen. Hopefully in time I'll be able to move it with the keyboard.

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  • Why is there no /usr/bin/ in windows? Would it be dangerous to the entire Program Files to the path?

    - by dotancohen
    I am a Linux user spending some time in Windows and I'm trying to understand some of the Windows paradigms instead of fighting them. I notice that each program installed in the traditional manner (i.e. via orgasmic installers: Yes, Yes, Yes, Finish) adds the executables to C:/Program Files/foo/bar.exe and then adds a shortcut to the Desktop / Start Menu containing the entire path. However, there is no common directory with links to the software, i.e. C:/bin/bar.exe which would link to C:/Program Files/foo/bar.exe. Therefore, after installing an application the only way to use the application is via the clicky-clicky menus or by navigating to the executable in the filesystem. One cannot simply Win-R to open the run dialogue and then type bar or bar.exe as is possible with notepad or mspaint. I realize that Windows 8 improves on this with the otherwise horrendous Start Screen which does support typing the name of the app, but again this depends on the app having registered itself for such. Would I be doing any harm by adding C:/Program Files recursively to the Windows path? I do realize that there will be name collisions (i.e. uninstall.exe) but could there be other issues?

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  • Notepad and Regedit does not launch from C:\Windows or C:\Windows\System32, but will from C:\Windows\SysWOW64

    - by lordhog
    My work machine was recently updated from Windows XP 64-bit to Windows 7 64-bit. I have found a few odd things that I can not figure out why they are occurring. If I type in Notepad.exe or RegEdit.exe from the Run diaglog the applications will not launch. When executing RegEdit.exe from the Run dialog the UAC does display asking for admin privileges, but the application never launches. Also, if I go to the Start menu and click on Notepad from there, Notepad never launches either. Other programs seem to be okay, like mspaint, wordpad, etc. Now, if I launch Notepad or RegEdit from C:\Windows\SysWOW64 then these applications will run, though I think these are the 32-bit version and not the 64-bit version. I am not sure what is going on. Has anyone seen this behavior before and how to fix it? I have Windows 7 64-bit at home and I don't have this issue. I even copied Notepad.exe from home and place it in the C:\ folder and tried to launch it from there and it still doesn't work. Regards, Mark

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  • Winforms: How to speed up Invalidate()?

    - by Pedery
    I'm developing a retained mode drawing application in GDI+. The application can draw simple shapes to a canvas and perform basic editing. The math that does this is optimized to the last byte and is not an issue. I'm drawing on a panel that is using the built-in Controlstyles.DoubleBuffer. Now, my problem arises if I run my app maximized on a big monitor (HD in my case). If I try to draw a line from one corner of the (big) canvas to the diagonally oposite other, it will start to lag and the CPU goes high up. Each graphical object in my app has a boundingbox. Thus, when I invalidate the boundingbox of a line that goes from one corner of the maximized app to the oposite diagonal one, that boundingbox is virtually as big as the canvas. When a user is drawing a line, this invalidation of the boundingbox thus happens on the mousemove event, and there is a clear lag visible. This lag also exists if the line is the only object on the canvas. I've tried to optimize this in many ways. If I draw a shorter line, the CPU and the lag goes down. If I remove the Invalidate() and keep all other code, the app is quick. If I use a Region (that only spans the figure) to invalidate instead of the boundingbox, it is just as slow. If I split the boundingbox into a range of smaller boxes that lie back to back, thus reducing the invalidation area, no visible performance gain can be seen. Thus I'm at a loss here. How can I speed up the invalidation? On a side note, both Paint.Net and Mspaint suffers from the same shortcommings. Word and PowerPoint however, seem to be able to paint a line as described above with no lag and no CPU load at all. Thus it's possible to achieve the desired results, the question is how?

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  • Bizarre problem with WPF XAML file.

    - by paxdiablo
    I've just started a very simple WPF application which consists of a main large image and four smaller images. In order to assist with the layout, I created some JPEGs in MsPaint containing the images -2, -1, 0, +1 and +2 and just copied them into the top level of the project directory. The XAML segment contains, for the five images: <Image Grid.Column="1" Grid.Row="2" Grid.ColumnSpan="4" Grid.RowSpan="1" Margin="0,0,0,0" Name="imgPicture" Stretch="Fill" VerticalAlignment="Top" Source="file:///C:/DAndS/Pax/MyDocs/VS2008/Projects/MyProj/zero.jpg" <Image Grid.Column="1" Grid.Row="4" Grid.ColumnSpan="1" Grid.RowSpan="1" Margin="0,0,0,0" Name="imgPicMinus2" Stretch="Fill" VerticalAlignment="Top" Source="file:///C:/DAndS/Pax/MyDocs/VS2008/Projects/MyProj/minus2.jpg" <Image Grid.Column="2" Grid.Row="4" Grid.ColumnSpan="1" Grid.RowSpan="1" Margin="0,0,0,0" Name="imgPicMinus1" Stretch="Fill" VerticalAlignment="Top" Source="file:///C:/DAndS/Pax/MyDocs/VS2008/Projects/MyProj/minus1.jpg" <Image Grid.Column="3" Grid.Row="4" Grid.ColumnSpan="1" Grid.RowSpan="1" Margin="0,0,0,0" Name="imgPicPlus1" Stretch="Fill" VerticalAlignment="Top" Source="file:///C:/DAndS/Pax/MyDocs/VS2008/Projects/MyProj/plus1.jpg" <Image Grid.Column="4" Grid.Row="4" Grid.ColumnSpan="1" Grid.RowSpan="1" Margin="0,0,0,0" Name="imgPicPlus2" Stretch="Fill" VerticalAlignment="Top" Source="file:///C:/DAndS/Pax/MyDocs/VS2008/Projects/MyProj/plus2.jpg" When I try to set the source property for the plus2 image, it complains with a dialog box stating: Property value is not valid. Details | V The file plus2.jpg is not part of the project or its 'Build Action' property is not set to 'Resource'. Yet if I rename the file to plus3.jpg or plus2x.jpg, I don't have that problem. Why is it complaining about plus2.jpg specifically?

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  • Serialization of Mouse cursors over network

    - by Ehtsham
    hi I am working a client/server application in C#. My server Capture current Mouse Cursors and send these to client so that Cursor of the cleint also chage accordingly.I can detect windows Cursors and serialize them over binaryformatter. it works fine but but problem is there are many cursors that can not be detected like mspaint cursors so i have to take its handler and create the cursor and its x nad y hotspots and add them in an arraylist and serialize it over network but after 10 to 15 minute it thorws exception "Error HRESULT E_FAIL has been returned from a call to a COM Compeonet" and cleint throws the exception of "method of invocation" Can anybody guid me what going wrong ort some better way to do like this Some code is here IntPtr curInfo = GetCurrentCursor(); Cursor cur; Icon ic; byte cursor = 0; if (curInfo != null && curInfo.ToInt32() != 0) { cur = CheckForCusrors(curInfo); try { if (!isLinuxClient) { if (cur == null) { PlatformInvokeUSER32.GetIconInfo(curInfo, out temp); ic = Icon.FromHandle(curInfo); //bitmap = ic.ToBitmap(); ArrayList ar = new ArrayList(); ar.Add(ic); ar.Add(temp.xHotspot); ar.Add(temp.yHotspot); b.Serialize(stm, ar); } else { ArrayList ar = new ArrayList(); ar.Add(cur); b.Serialize(stm, ar); } } public Cursor CheckForCusrors(IntPtr hCur) { if (hCur == Cursors.AppStarting.Handle) return Cursors.AppStarting; else if (hCur == Cursors.Arrow.Handle) return Cursors.Arrow; . . . else if (hCur == Cursors.PanWest.Handle) return Cursors.PanWest; return null; } `

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  • WPF WrapPanel with some items having a height of *

    - by Aphex
    How do I make a WrapPanel with some items having a Height of *? A deceptively simple question that I have been trying to solve. I want a control (or some XAML layout magickry) that behaves similar to a Grid that has some rows with a Height of *, but supports wrapping of columns. Hell; call it a WrapGrid. :) Here's a mockup to visualize this. Imagine a grid defined as such: <Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="Window1" Height="400"> <Grid> <Grid.ColumnDefinitions> <ColumnDefinition Width="*"/> </Grid.ColumnDefinitions> <Grid.RowDefinitions> <RowDefinition Height="Auto"/> <RowDefinition Height="*"/> <RowDefinition Height="Auto"/> <RowDefinition Height="*"/> <RowDefinition Height="Auto"/> <RowDefinition Height="Auto"/> </Grid.RowDefinitions> <Button Grid.Row="0" MinHeight="30">I'm auto-sized.</Button> <Button Grid.Row="1" MinHeight="90">I'm star-sized.</Button> <Button Grid.Row="2" MinHeight="30">I'm auto-sized.</Button> <Button Grid.Row="3" MinHeight="90">I'm star-sized, too!</Button> <Button Grid.Row="4" MinHeight="30">I'm auto-sized.</Button> <Button Grid.Row="5" MinHeight="30">I'm auto-sized.</Button> </Grid> </Window> What I want this panel to do is wrap an item into an additional column when the item can not get any smaller than its minHeight. Here is a horrible MSPaint of some mockups I made detailing this process. Recall from the XAML that the auto-sized buttons have minHeights of 30, and the star-sized buttons have minHeights of 90. This mockup is just two grids side by side and I manually moved buttons around in the designer. Conceivably, this could be done programmatically and serve as a sort of convoluted solution to this. How can this be done? I will accept any solution whether it's through xaml or has some code-behind (though I would prefer pure XAML if possible since xaml code behind is tougher to implement in IronPython). Updated with a bounty

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  • Why won't my images align properly?

    I'm trying to make a dynamically sizable title banner, using fairly simple image tricks. I place the banner image in a table cell, and set the background-image of the table row to a one-pixel-wide repeat of the banner's right-most pixel column. Thus, the banner image appears to stretch to fit the screen width without stretching the logo. The code below is my entire page so far, and the problem is shown in a red circle in the screenshot. This is the transition where the main image ends and the one-pixel-wide background image begins. It appears that the one-pixel-wide bar at the end is compressed by one pixel - making the tops align properly, while the bottoms are one pixel off. I should add that I have checked the images more than once to make cure they the image data is correct. They are %100 accurate as far as MSPaint is concerned. <%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title></title> </head> <body bgcolor="#000000"> <form id="form1" runat="server"> <div> <table style="width:100%; "> <tr style="background-image: url('Images/Banners/WebBannerWideBar.png')"> <!--WebBannerWideBar is 1x100 px--> <td> <img alt="Angry Octopus" src="Images/Banners/WebBannerWide.png" /> <!--WebBannerWide is 760x100 px--> </td> </tr> </table> </div> </form> </body> </html>

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  • CodePlex Daily Summary for Wednesday, August 29, 2012

    CodePlex Daily Summary for Wednesday, August 29, 2012Popular ReleasesDiscuzViet: DzX2.5TV Stable Version: Discuz-X2.5-TV-StableMath.NET Numerics: Math.NET Numerics v2.2.1: Major linear algebra rework since v2.1, now available on Codeplex as well (previous versions were only available via NuGet). Since v2.2.0: Student-T density more robust for very large degrees of freedom Sparse Kronecker product much more efficient (now leverages sparsity) Direct access to raw matrix storage implementations for advanced extensibility Now also separate package for signed core library with a strong name (we dropped strong names in v2.2.0) Also available as NuGet packages...Microsoft SQL Server Product Samples: Database: AdventureWorks Databases – 2012, 2008R2 and 2008: About this release This release consolidates AdventureWorks databases for SQL Server 2012, 2008R2 and 2008 versions to one page. Each zip file contains an mdf database file and ldf log file. This should make it easier to find and download AdventureWorks databases since all OLTP versions are on one page. There are no database schema changes. For each release of the product, there is a light-weight and full version of the AdventureWorks sample database. The light-weight version is denoted by ...Smart Thread Pool: SmartThreadPool 2.2.3: Release Changes Added MaxStackSize option to threadsImageServer: v1.1: This is the first version releasedChristoc's DotNetNuke Module Development Template: DotNetNuke Project Templates V1.1 for VS2012: This release is specifically for Visual Studio 2012 Support, distributed through the Visual Studio Extensions gallery at http://visualstudiogallery.msdn.microsoft.com/ After you build in Release mode the installable packages (source/install) can be found in the INSTALL folder now, within your module's folder, not the packages folder anymore Check out the blog post for all of the details about this release. http://www.dotnetnuke.com/Resources/Blogs/EntryId/3471/New-Visual-Studio-2012-Projec...Home Access Plus+: v8.0: v8.0828.1800 RELEASE CHANGED TO BETA Any issues, please log them on http://www.edugeek.net/forums/home-access-plus/ This is full release, NO upgrade ZIP will be provided as most files require replacing. To upgrade from a previous version, delete everything but your AppData folder, extract all but the AppData folder and run your HAP+ install Documentation is supplied in the Web Zip The Quota Services require executing a script to register the service, this can be found in there install di...Phalanger - The PHP Language Compiler for the .NET Framework: 3.0.0.3391 (September 2012): New features: Extended ReflectionClass libxml error handling, constants TreatWarningsAsErrors MSBuild option OnlyPrecompiledCode configuration option; allows to use only compiled code Fixes: ArgsAware exception fix accessing .NET properties bug fix ASP.NET session handler fix for OutOfProc mode Phalanger Tools for Visual Studio: Visual Studio 2010 & 2012 New debugger engine, PHP-like debugging Lot of fixes of project files, formatting, smart indent, colorization etc. Improved ...MabiCommerce: MabiCommerce 1.0.1: What's NewSetup now creates shortcuts Fix spelling errors Minor enhancement to the Map window.ScintillaNET: ScintillaNET 2.5.2: This release has been built from the 2.5 branch. Version 2.5.2 is functionally identical to the 2.5.1 release but also includes the XML documentation comments file generated by Visual Studio. It is not 100% comprehensive but it will give you Visual Studio IntelliSense for a large part of the API. Just make sure the ScintillaNET.xml file is in the same folder as the ScintillaNET.dll reference you're using in your projects. (The XML file does not need to be distributed with your application)....WinRT XAML Toolkit: WinRT XAML Toolkit - 1.2.0: WinRT XAML Toolkit based on the Windows 8 RTM SDK. Download the latest source from the SOURCE CODE page. For compiled version use NuGet. You can add it to your project in Visual Studio by going to View/Other Windows/Package Manager Console and entering: PM> Install-Package winrtxamltoolkit Features AsyncUI extensions Controls and control extensions Converters Debugging helpers Imaging IO helpers VisualTree helpers Samples Recent changes NOTE: Namespace changes DebugConsol...BlackJumboDog: Ver5.7.1: 2012.08.25 Ver5.7.1 (1)?????·?????LING?????????????? (2)SMTP???(????)????、?????\?????????????????????Visual Studio Team Foundation Server Branching and Merging Guide: v2 - Visual Studio 2012: Welcome to the Branching and Merging Guide Quality-Bar Details Documentation has been reviewed by Visual Studio ALM Rangers Documentation has been through an independent technical review Documentation has been reviewed by the quality and recording team All critical bugs have been resolved Known Issues / Bugs Spelling, grammar and content revisions are in progress. Hotfix will be published.MakersEngine: MakersEngine BETA 0.1: First BETA build of MakersEngine Adding TrinityCore compiling support (this should run well on any system) SqlMgr will try to connect to your Database but it wont import anything.Win8GameKit: Windows 8 RTM Release: - Updated for Windows 8 RTM - Fixed Accelerometer Device Check. Gravity Pulse will not be available if no Accelerometer device is present. It will instead ignore any Power ups.SQL Server Keep Alive Service: SQL Server Keep Alive Service 1.0: This is the first official release. Please see the documentation for help https://sqlserverkeepalive.codeplex.com/documentation.ARSoft.Tools.Net - C#/.Net DNS client/server, SPF and SenderID Library: 1.7.0: New Features:Strong name for binary release LLMNR client One-shot Multicast DNS client Some new IPAddress extensions Response validation as described in draft-vixie-dnsext-dns0x20-00 Added support for Owner EDNS option (draft-cheshire-edns0-owner-option) Added support for LLQ EDNS option (draft-sekar-dns-llq) Added support for Update Lease EDNS option (draft-sekar-dns-ul) Changes:Updated to latest IANA parameters Adapted RFC6563 - Moving A6 to Historic Status Use IPv6 addre...7zbackup - PowerShell Script to Backup Files with 7zip: 7zBackup v. 1.8.1 Stable: Do you like this piece of software ? It took some time and effort to develop. Please consider a helping me with a donation Or please visit my blog Code : New work switch maxrecursionlevel to limit recursion depth while searching files to backup Code : rotate argument switch can now be set in selection file too Code : prefix argument switch can now be set in selection file too Code : prefix argument switch is checked against invalid file name chars Code : vars script file has now...Microsoft Ajax Minifier: Microsoft Ajax Minifier 4.62: Fix for issue #18525 - escaped characters in CSS identifiers get double-escaped if the character immediately after the backslash is not normally allowed in an identifier. fixed symbol problem with nuget package. 4.62 should have nuget symbols available again. Also want to highlight again the breaking change introduced in 4.61 regarding the renaming of the DLL from AjaxMin.dll to AjaxMinLibrary.dll to fix strong-name collisions between the DLL and the EXE. Please be aware of this change and...nopCommerce. Open source shopping cart (ASP.NET MVC): nopcommerce 2.65: As some of you may know we were planning to release version 2.70 much later (the end of September). But today we have to release this intermediate version (2.65). It fixes a critical issue caused by a third-party assembly when running nopCommerce on a server with .NET 4.5 installed. No major features have been introduced with this release as our development efforts were focused on further enhancements and fixing bugs. To see the full list of fixes and changes please visit the release notes p...New ProjectsAssociativy: Associativy aims to give a platform for building knowledge bases organized through associative connections. See: http://associativy.comAssociativy Administration: Administration module for the Associativy (http://associativy.com) Orchard graph platform.Associativy Core: Core module for the Associativy (http://associativy.com) Orchard graph platform.Associativy Frontend Engines: Frontend Engines module for the Associativy (http://associativy.com) Orchard graph platform.Associativy Notions Demo Instance: Notions Demo Instance module for the Associativy (http://associativy.com) Orchard graph platform.Associativy Tags Adapter: Tags Adapter module for the Associativy (http://associativy.com) Orchard graph platform.Associativy Tests: Tests module for the Associativy (http://associativy.com) Orchard graph platform.Associativy Web Services: Web Services module for the Associativy (http://associativy.com) Orchard graph platform.DotNMap: A type library that can be used to work with NMap scan results in .net.EFCompoundkeyWhere: ??????????, ??????????? ????????? ??????? Where ?? ?????????? ????? ? Entity FrameworkEntertainment Tools: These are tools for entertainment professionals.EntLib.com????????: ◆ 100% ??(Open Source - ?????); ◆ ??.Net Framework 4.0; ◆ ?? ASP.NET、C# ?? ? SQL Server ???; ◆ ????????????????????; ◆ ?????????,?????????????;ExpressProfiler: ExpressProfiler is a simple but good enough replacement for SQL Server Profiler Fancy Thumb: Fancy Thumb helps you decorating your thumb drives, giving them fancy icons and names longer than what FAT(32) allows.GEBestBetAdder: GEBestBetAdder is a SharePoint utility which helps with the exporting and importing of keywords and best bets.Ginger Graphics Library: 3D GraphicsImageServer: This is a high performance, high extensible web server writen in ASP.NET C# for image automative processing.jPaint: This is a copy of mspaint, written on pure js + html + css.ListOfTales: This is simple application for store infromation about book))Metro air hockey: metro air hockeyMetro graphcalc: metro graphcalcMetro speedtest: metro speedtestMetro ToDos: metro todosMVC4 Starter Kit: The MVC4 Starter Kit is designed as a bare bone application that covers many of the concerns to be addressed during the first stage of development.MyProject1: MyProject1npantarhei contribute: use the npantarhei flowruntime configured by mef and design your flows within visualstudio 2012 using an integrated designer...PBRX: Powerbuilder to Ruby toolkit.PE file reader: readpe, a tool which parses a PE formatted file and displays the requested information. People: PeoplePocket Calculator: This is POC project that implements a simple WinForms Pocket Calculator that uses a Microsoft .NET 4.0.1 State Machine Workflow in the back-end.ProjectZ: Project Z handles the difficulties with Mologs.PSMNTVIS: this is a blabla test for some blabla code practice.Santry DotNetNuke Lightbox Ad Module: Module allows for you to place a modal ad lightbox module on your DotNetNuke page. It integrates with the HTML provider, and cookie management for display.Sevens' Stories: An album for Class Seven of Pingtan No.1 High School.SIS-TRANSPORTES: Projeto em desenvolvimento...SmartSpace: SmartSpaceSO Chat Star Leaderboard: Scrapes stars from chat.stackoverflow.com and calculates statistics and a leaderboard.testdd08282012git01: dtestdd08282012hg01: uiotestddtfs08282012: kltesttom08282012git01: fdsfdstesttom08282012hg01: ftesttom08282012tfs01: bvcvTransportadoraToledo: Projeto Integrado de SistemasVisual Studio Watchers: Custom Visual Studio visualizers.XNC: XNC is an (in-progress) XNA Framework like library for the C programming language.???: ?

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