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  • For Programmers familiar with ACM API? Drawing Initials

    - by user71992
    I came across an exercise (in the book "The Art and Science of Java" by Eric Roberts) that requires using only GArc and GLine classes to create a lettering library which draws your initials on the canvas. This should be made independent of the GLabel class. I'd like to know the correct approach to use in solving this problem. I'm not sure what I have so far is good enough (I'm thinking it's too long). The questions requires that I use a good Top-Down approach.

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  • Silverlight Cream for February 10, 2011 -- #1045

    - by Dave Campbell
    In this Issue: Mark Monster, Jaime Rodriguez, Mark Hopkins, WindowsPhoneGeek, David Anson, Jesse Liberty, Jeremy Likness, Martin Krüger(-2-), Beth Massi, Joost van Schaik, Laurent Bugnion, and Arik Poznanski. Above the Fold: Silverlight: "Parsing the Visual Tree with LINQ" Jeremy Likness WP7: "Silverlight-ready PNG encoder implementation shows one way to use .NET IEnumerables effectively" David Anson Lightswitch: "How to Send Automated Appointments from a LightSwitch Application" Beth Massi Shoutouts: Be sure to visit SilverlightShow... check out their top hits last week: SilverlightShow for Jan 31- Feb 06, 2011 Jaime Rodriguez has a post up that all the WP7 folks will be interested in: FAQ about copy paste functionality in upcoming release From SilverlightCream.com: Make use of WCF FaultContracts in Silverlight clients Mark Monster takes a shot at answering “The remote server returned an error: NotFound” while connecting to a WCF Service problem we all see. Communication between HTML in WebBrowser and Silverlight app Jaime Rodriguez responds to questions he received about communication between HTML and SIlverlight with this post about the bi-directional communication between the control and HTML. WP7 - Real Apps, Real Code Mark Hopkins has a post up about some WP7 starter kits that you can get all the source for and actually download the app from the Marketplace first to see if it interests you! WP7 AboutPrompt in depth WindowsPhoneGeek has this cool post up about the AboutPrompt from the Coding4Fun toolkit in detail... great diagrams showing where all the elements are and code examples with images. Silverlight-ready PNG encoder implementation shows one way to use .NET IEnumerables effectively David Anson describes why he took it upon himself to write his own png encoder for Silverlight... and we all thank him for doing so and providing us with the code! Navigation 101–Cancelling Navigation Jesse Liberty's latest WP7 From Scratch episode is up (number 32), and he's talking about Navigation and how to cancel it if you need to. Parsing the Visual Tree with LINQ Jeremy Likness demonstrates using LINQ to rat out information in the visual tree of your XAML. To Quote Jeremy: "you can easily check for intersections between elements and find any type of element no matter how deep within the tree it is". SpriteAnimationBehavior Martin Krüger has a couple more fun things in the Expression Gallery that I haven't discussed. First up is a behavior that animates up to 999 images and lets you control the FramesPerSecond... great demo on the ExpressionGallery to play with. Second alternative: Storyboard should not start before the Silverlight application is loaded Martin Krüger's latest is a way to programmatically wait for the Loaded event so that you know you can let your animations fly. How to Send Automated Appointments from a LightSwitch Application Beth Massi's latest Lightswitch post follows up her Outlook automation one with sending appointments using the standard iCalendar format... all the code included of course. The case for the Bindable Application Bar for Windows Phone 7 Joost van Schaik posts about a bindable Application Bar for your WP7 apps... grab the code and don't leave home without it :) MVVM Light V4 preview (BL0014) release notes Laurent Bugnion posted an update to MVVMLight to Codeplex a couple days ago. This is an early preview of what he plans on having in version 4, so check out the post for what's new and fun. Search Digg on Windows Phone 7 Arik Poznanski followed up his RSS post from last week with this one on searching Digg on WP7... and he's discussing and providing a utility class for doing it. Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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  • LexisNexis and Oracle Join Forces to Prevent Fraud and Identity Abuse

    - by Tanu Sood
    Author: Mark Karlstrand About the Writer:Mark Karlstrand is a Senior Product Manager at Oracle focused on innovative security for enterprise web and mobile applications. Over the last sixteen years Mark has served as director in a number of tech startups before joining Oracle in 2007. Working with a team of talented architects and engineers Mark developed Oracle Adaptive Access Manager, a best of breed access security solution.The world’s top enterprise software company and the world leader in data driven solutions have teamed up to provide a new integrated security solution to prevent fraud and misuse of identities. LexisNexis Risk Solutions, a Gold level member of Oracle PartnerNetwork (OPN), today announced it has achieved Oracle Validated Integration of its Instant Authenticate product with Oracle Identity Management.Oracle provides the most complete Identity and Access Management platform. The only identity management provider to offer advanced capabilities including device fingerprinting, location intelligence, real-time risk analysis, context-aware authentication and authorization makes the Oracle offering unique in the industry. LexisNexis Risk Solutions provides the industry leading Instant Authenticate dynamic knowledge based authentication (KBA) service which offers customers a secure and cost effective means to authenticate new user or prove authentication for password resets, lockouts and such scenarios. Oracle and LexisNexis now offer an integrated solution that combines the power of the most advanced identity management platform and superior data driven user authentication to stop identity fraud in its tracks and, in turn, offer significant operational cost savings. The solution offers the ability to challenge users with dynamic knowledge based authentication based on the risk of an access request or transaction thereby offering an additional level to other authentication methods such as static challenge questions or one-time password when needed. For example, with Oracle Identity Management self-service, the forgotten password reset workflow utilizes advanced capabilities including device fingerprinting, location intelligence, risk analysis and one-time password (OTP) via short message service (SMS) to secure this sensitive flow. Even when a user has lost or misplaced his/her mobile phone and, therefore, cannot receive the SMS, the new integrated solution eliminates the need to contact the help desk. The Oracle Identity Management platform dynamically switches to use the LexisNexis Instant Authenticate service for authentication if the user is not able to authenticate via OTP. The advanced Oracle and LexisNexis integrated solution, thus, both improves user experience and saves money by avoiding unnecessary help desk calls. Oracle Identity and Access Management secures applications, Juniper SSL VPN and other web resources with a thoroughly modern layered and context-aware platform. Users don't gain access just because they happen to have a valid username and password. An enterprise utilizing the Oracle solution has the ability to predicate access based on the specific context of the current situation. The device, location, temporal data, and any number of other attributes are evaluated in real-time to determine the specific risk at that moment. If the risk is elevated a user can be challenged for additional authentication, refused access or allowed access with limited privileges. The LexisNexis Instant Authenticate dynamic KBA service plugs into the Oracle platform to provide an additional layer of security by validating a user's identity in high risk access or transactions. The large and varied pool of data the LexisNexis solution utilizes to quiz a user makes this challenge mechanism even more robust. This strong combination of Oracle and LexisNexis user authentication capabilities greatly mitigates the risk of exposing sensitive applications and services on the Internet which helps an enterprise grow their business with confidence.Resources:Press release: LexisNexis® Achieves Oracle Validated Integration with Oracle Identity Management Oracle Access Management (HTML)Oracle Adaptive Access Manager (pdf)

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  • ArchBeat Link-o-Rama for October 14-20, 2012

    - by Bob Rhubart
    The Top 10 items shared on the OTN ArchBeat Facebook page for the week of October 14-21, 2012. Panel: On the Impact of Software | InfoQ Les Hatton (Oakwood Computing Associates), Clive King (Oracle), Paul Good (Shell), Mike Andrews (Microsoft) and Michiel van Genuchten (moderator) discuss the impact of software engineering on our lives in this panel discussion recorded at the Computer Society Software Experts Summit 2012. ResCare Solves Content Lifecycle Challenges with Oracle WebCenter Learn how ResCare solves content lifecycle challenges with Oracle WebCenter. Speakers: Joe Lichtefeld, VP of Application Services & PMO, ResCare Wayne Boerger, Product Manager, TEAM Informatics Doug Thompson, EVP Global Development, TEAM Informatics Date: Tuesday, October 30, 2012 Time: 10:00 a.m. PT / 1:00 p.m. ET WebLogic Server 11gR1 Interactive Quick Reference "The WebLogic Server 11gR1 Administration interactive quick reference," explains Juergen Kress, "is a multimedia tool for various terms and concepts used in WebLogic Server architecture. This tool is available for administrators for online or offline use. This is built as a multimedia web page which provides descriptions of WebLogic Server Architectural components, and references to relevant documentation. This tool offers valuable reference information for any complex concept or product in an intuitive and useful manner." Oracle ACE Directors Nordic Tour 2012 : Venues and BI Presentations | Mark Rittman Oracle ACE Director Mark Rittman shares information on the Oracle ACE Director Tour, as the community leaders make their way through the land of the midnight sun, with events in Copenhagen, Stockholm, Oslo and Helsinki. Mobile Apps for EBS | Capgemini Oracle Blog Capgemini solution architect Satish Iyer breifly describes how Oracle ADF and Oracle SOA Suite can be used to fill the gap in mobile applications for Oracle EBS. Introducing the New Face of Fusion Applications | Misha Vaughan Oracle ACE Directors Debra Lilly and Floyd Teter have already blogged about the the new face of Oracle Fusion Applications. Now Applications User Experience Architect Misha Vaughan shares a brief overview of how the Oracle Applications User Experience (UX) team developed the new look. BPM 11g - Dynamic Task Assignment with Multi-level Organization Units | Mark Foster "I've seen several requirements to have a more granular level of task assignment in BPM 11g based on some value in the data passed to the process," says Fusion Middleware A-Team architect Mark Foster. "Parametric Roles is normally the first port of call to try to satisfy this requirement, but in this blog we will show how a lot of use-cases can be satisfied by the easier to implement and flexible Organization Unit." OTN Architect Day Los Angeles - Oct 25 Oracle Technology Network Architect Day in Los Angeles happens in one week. Register now to make sure you don't miss out on a rich schedule of expert technical sessions and peer interaction covering the use of Oracle technologies in cloud computing, SOA, and more. Even better: it's all free. When: October 25, 2012, 8:30am - 5:00pm. Where: Sofitel Los Angeles, 8555 Beverly Boulevard, Los Angeles, CA 90048. Oracle VM VirtualBox 4.2.2 released | Oracle's Virtualization Blog The Fat Bloke weighs in with a short post with information on where you can find information and the download for the latest VirtualBox release. Advanced Oracle SOA Suite #OOW 2012 SOA Presentations The Oracle SOA Product Management team has compiled a complete list of all twelve of their Oracle SOA Suite presentations from Oracle OpenWorld 2012, with links to the slide decks. Thought for the Day "Software: do you write it like a book, grow it like a plant, accrete it like a pearl, or construct it like a building?" — Jeff Atwood Source: softwarequotes.com

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  • ArchBeat Link-o-Rama Top 10 for October 21-27, 2012

    - by Bob Rhubart
    The Top 10 most popular items shared on the OTN ArchBeat Facebook Page for the week of October 21-27, 2012. OTN Architect Day: Los Angeles This is your brain on IT architecture. Stuff your cranium with architecture by attending Oracle Technology Network Architect Day in Los Angeles, October 25, 2012, at the Sofitel Los Angeles, 8555 Beverly Boulevard, Los Angeles, CA 90048. Technical sessions, panel Q&A, and peer roundtables—plus a free lunch. [NOTE: The event was last week, of course. Big thanks to the session presenters and especially to those Angelinos who came out for the event.] WebLogic Server 11gR1 Interactive Quick Reference"The WebLogic Server 11gR1 Administration interactive quick reference," explains Juergen Kress, "is a multimedia tool for various terms and concepts used in WebLogic Server architecture. This tool is available for administrators for online or offline use. This is built as a multimedia web page which provides descriptions of WebLogic Server Architectural components, and references to relevant documentation. This tool offers valuable reference information for any complex concept or product in an intuitive and useful manner." Podcast: Are You Future Proof? The latest OTN ArchBeat Podcast series features Oracle ACE Directors Ron Batra, Basheer Khan, and Ronald van Luttikhuizen, three practicing architects in an open discussion about how changes in enterprise IT are raising the bar for success for software architects and developers. Play Oracle Vanquisher Here's a little respite from whatever it is you normally spend your time on. Oracle Vanquisher is an online diversion that makes a game of data center optimization. According to the description: "Armed with a cool Oracle vacuum pack suit and a strategic IT roadmap, you will thwart threats and optimize your data center to increase your company’s stock price and boost your company’s position." Mainly you avoid electric shock and killer birds. The current high score belongs to someone identified as 'TEN." My score? Never mind. Advanced Oracle SOA Suite OOW 2012 PresentationsThe Oracle SOA Product Management team has compiled a complete list of all twelve of their Oracle SOA Suite presentations from Oracle OpenWorld 2012, with links to the slide decks. OAM and OIM 11g Academies Looking for technical how-to content covering Oracle Access Manager and Oracle Identity Manager? The people behind the Oracle Middleware Security blog have indexed relevant blog posts into what they call "Academies." "These indexes contain the articles we’ve written that we believe provide long lasting guidance on OAM and OIM. Posts covered in these series include articles on key aspects of OAM and OIM 11g, best practice architectural guidance, integrations, and customizations." Oracle’s Analytics, Engineered Systems, and Big Data Strategy | Mark Rittman Part 1 of 3 in Oracle ACE Director Mark Rittman's series on Oracle Exalytics, Oracle R Enterprise and Endeca. Oracle ACE Directors Nordic Tour 2012 : Venues and BI Presentations | Mark RittmanOracle ACE Director Mark Rittman shares information on the Oracle ACE Director Tour, as the community leaders make their way through the land of the midnight sun, with events in Copenhagen, Stockholm, Oslo and Helsinki. Following the Thread in OSB | Antony Reynolds Antony Reynolds recently led an Oracle Service Bus POC in which his team needed to get high throughput from an OSB pipeline. "Imagine our surprise when, on stressing the system, we saw it lock up, with large numbers of blocked threads." He shares the details of the problem and the solution in this extensive technical post. OW12: Oracle Business Process Management/Oracle ADF Integration Best Practices | Andrejus Baranovskis The Oracle OpenWorld presentations keep coming! Oracle ACE Director Andrejus Baranovskis shares the slides from "Oracle Business Process Management/Oracle ADF Integration Best Practices," co-presented with Danilo Schmiedel from Opitz Consulting. Thought for the Day "Not everything that can be counted counts, and not everything that counts can be counted." — Albert Einstein (March 14, 1879 – April 18, 1955) Source: Quotes For Software Engineers

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  • Is there a way to hide the Primefaces fileUpload progress bar and buttons in advanced mode and auto mode?

    - by Joe Roberts
    Is there a way to hide the Primefaces fileUpload progress bar and buttons in advanced mode and auto mode? Here is the code that I am using: <p:fileUpload id="scriptUpload" widgetVar="importDevicesWidget" fileUploadListener="#{scriptUploadBean.handleFileUpload}" auto="true" label="Choose.." mode="advanced" update=":infoMessages" sizeLimit="8192" allowTypes="/(\.|\/)(txt)$/" onstart="clearInvalidFileMsg();$('#progress').show();" oncomplete="clearInvalidFileMsg();$('#progress').hide();importDevicesDialogWidget.hide()"/> The problem is that it makes no sense for the buttons that appear next to the progress bar for each file to be there as the mode is auto so the upload already started! Here is a screen shot:

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  • AuthSub token from Google/YouTube API is always returned as invalid

    - by Miriam Raphael Roberts
    Anyone out there have experience with the YouTube/Google API? I am trying to login to Google/Youtube using clientLogin, retrieve an AuthSub token, exchange it for a multi-session token and then use it in our upload form. Just a note that we are not going to have other users logging into our (secure) website, this is for our use only (no multi-users). We just want a way to upload videos to our YT account via our own website without having to login/upload to YouTube. Ultimately, everything is dependent on the first step. My AuthSub token is always being returned as invalid (Error '403'). All the steps I used are below with username/password changed. Anyone have an insight on why my AuthSub is always invalid? I am spending an enormous amount of time trying to get this to work. STEP 1: Getting the authsub token from Youtube/Google POST /youtube/accounts/ClientLogin HTTP/1.1 User-Agent: curl/7.10.6 (i386-redhat-linux-gnu) libcurl/7.10.6 OpenSSL/0.9.7a ipv6 zlib/1.1.4 Host: www.google.com Pragma: no-cache Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, */* Content-Type:application/x-www-form-urlencoded Content-Length: 86 Email=MyGoogleUsername&Passwd=MyGooglePasswd&accountType=GOOGLE&service=youtube&source=Test RESPONSE RECEIVED: Auth=AIwbFAR99f3iACfkT-5PXCB-1tN4vlyP_1CiNZ8JOn6P-......yv4d4zeGRemNm4il1e-M6czgfDXAR0w9fQ YouTubeUser=MyYouTubeUsername CURL COMMAND USED: /usr/bin/curl -S -v --location https://www.google.com/youtube/accounts/ClientLogin --data Email=MyGoogleUsername&Passwd=MyGooglePasswd&accountType=GOOGLE&service=youtube&source=Test --header Content-Type:application/x-www-form-urlencoded STEP 2: Exchanging the AuthSub token for a multi-use token GET /accounts/AuthSubSessionToken HTTP/1.1 User-Agent: curl/7.10.6 (i386-redhat-linux-gnu) libcurl/7.10.6 OpenSSL/0.9.7a ipv6 zlib/1.1.4 Host: www.google.com Pragma: no-cache Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, */* Content-Type:application/x-www-form-urlencoded Authorization: AuthSub token="AIwbFASiRR3XDKs......p5Oy_VA_9U2yV1enxJoVGSgMlZqTcjKw9mS861vlc9GWTH9D9sQ" Response received: 403 Invalid AuthSub token. curl command used: /usr/bin/curl -S -v --location https://www.google.com/accounts/AuthSubSessionToken --header Content-Type:application/x-www-form-urlencoded -H Authorization: AuthSub token="AIwbFAQR_4xG2g.....vp3BQZW5XEMyIj_wFozHSTEQ-BQRfYuIY-1CyqLeQ" STEP 3: Checking to see if the token is good/valid GET /accounts/AuthSubTokenInfo HTTP/1.1 User-Agent: curl/7.10.6 (i386-redhat-linux-gnu) libcurl/7.10.6 OpenSSL/0.9.7a ipv6 zlib/1.1.4 Host: www.google.com Pragma: no-cache Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, */* Content-Type:application/x-www-form-urlencoded Authorization: AuthSub token="AIwbFASiRR3XDKsNkaIoPaujN5RQhKs3u.....A_9U2yV1enxJoVGSgMlZqTcjKw9mS861vlc9GWTH9D9sQ" Received response: 403 Invalid AuthSub token. curl command used: /usr/bin/curl -S -v --location https://www.google.com/accounts/AuthSubTokenInfo --header Content-Type:application/x-www-form-urlencoded -H Authorization: AuthSub token="AIwbFAQR_4xG2gHoAKDsNdFqdZdwWjGeNquOLpvp3BQZW5XEMyIj_wFozHSTEQ-BQRfYuIY-1CyqLeQ" STEP 4: Trying to get the upload token using the authsub token POST /action/GetUploadToken HTTP/1.1 User-Agent: curl/7.10.6 (i386-redhat-linux-gnu) libcurl/7.10.6 OpenSSL/0.9.7a ipv6 zlib/1.1.4 Host: gdata.youtube.com Pragma: no-cache Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, */* Content-Type:application/atom+xml Authorization: AuthSub token="AIwbFASiRR3XDKsNkaIoPaujN5RQhp5Oy_VA_9U2yV1enxJoVGSgMlZqTcjKw9mS861vlc9GWTH9D9sQ" X-Gdata-Key:key="AI39si5EQyo-TZPFAnmGjxJGFKpxd_7a6hEERh_3......R82AShoQ" Content-Length:0 GData-Version:2 Recevied Response: 401 Token invalid - Invalid AuthSub token. Curl command used: /usr/bin/curl -S -v --location http://gdata.youtube.com/action/GetUploadToken -H Content-Type:application/atom+xml -H Authorization: AuthSub token="AIwbFASiRR3XDKs....sYDp5Oy_VA_9U2yV1enxJoVGSgMlZqTcjKw9mS861vlc9GWTH9D9sQ" -H X-Gdata-Key:key="AI39si5EQyo-TZPFAnmGjxJGF......Kpxd6dN2J1oHFQYTj_7a6hEERh_3E48R82AShoQ" -H Content-Length:0 -H GData-Version:2

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  • In Asp.Net MVC 2 is there a better way to return 401 status codes without getting an auth redirect

    - by Greg Roberts
    I have a portion of my site that has a lightweight xml/json REST API. Most of my site is behind forms auth but only some of my API actions require authentication. I have a custom AuthorizeAttribute for my API that I use to check for certain permissions and when it fails it results in a 401. All is good, except since I'm using forms auth, Asp.net conveniently converts that into a 302 redirect to my login page. I've seen some previous questions that seem a bit hackish to either return a 403 instead or to put some logic in the global.asax protected void Application_EndRequest() that will essentially convert 302 to 401 where it meets whatever criteria. Previous Question Previous Question 2 What I'm doing now is sort of like one of the questions, but instead of checking the Application_EndRequest() for a 302 I make my authorize attribute return 666 which indicates to me that I need to set this to a 401. Here is my code: protected void Application_EndRequest() { if (Context.Response.StatusCode == MyAuthAttribute.AUTHORIZATION_FAILED_STATUS) { //check for 666 - status code of hidden 401 Context.Response.StatusCode = 401; } } Even though this works, my question is there something in Asp.net MVC 2 that would prevent me from having to do this? Or, in general is there a better way? I would think this would come up a lot for anyone doing REST api's or just people that do ajax requests in their controllers. The last thing you want is to do a request and get the content of a login page instead of json.

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  • Unable to find standard libraries when compiling Objective-C using GNUstep on Windows

    - by Jason Roberts
    I just installed GNUstep on my Windows XP machine and I'm attempting to compile the following Objective-C Hello World program from the command line: #import <Foundation/Foundation.h> int main(int argc, const char *argv[]) { NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; NSLog(@"Hello world\n"); [pool drain]; return 0; } When I try to compile the program from the command line like so gcc hello.m -o hello I end up getting the following error hello.m:1:34: Foundation/Foundation.h: No such file or directory Is there something I need to do order to inform the compiler of where the standard Objective-C libraries are located?

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  • Printing PDFs Server-side using Acrobat Reader from ASP.NET

    - by Chris Roberts
    Hi, I have been presented with a problem which requires me to print PDF files from a server as part of an ASP.NET web service. The problem is further complicated by the fact that the PDF files I have to print can ONLY be printed using Adobe Reader (they were created using Adobe LiveCycle and have some strange protection in them). This piece of code seems to do the trick in the Visual Studio development web server, but doesn't do anything when the site's running in IIS. I'm assuming this is probably some sort of permissions issue!? I know this is a FAR from ideal thing to be trying to do, but I haven't really got much choice! Any ideas would be greatly appreciated! Dim starter As ProcessStartInfo Dim Prc As Process ' Pass File Path And Arguments starter = New ProcessStartInfo("c:\program files\...\AcroRd32.exe", "/t ""test.pdf"" ""Printer""") starter.CreateNoWindow = True starter.RedirectStandardOutput = True starter.UseShellExecute = False ' Start Adobe Process Prc = New Process() Prc.StartInfo = starter Prc.Start()

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  • "Quoted-printable line longer than 76 chars" warning when sending HTML E-Mail

    - by Chris Roberts
    Hi, I have written some code in my VB.NET application to send an HTML e-mail (in this case, a lost password reminder). When I test the e-mail, it gets eaten by my spam filter. One of the things that it's scoring badly on is because of the following problem: MIME_QP_LONG_LINE RAW: Quoted-printable line longer than 76 chars I've been through the source of the e-mail, and I've broken each line longer than 76 characters into two lines with a CR+LF in between, but that hasn't fixed the problem. Can anyone point me in the right direction? Thanks!

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  • racket scheme get-argb-pixels

    - by Giles Roberts
    I have a 32 by 32 pixel png file. I'm trying to read the values within it using get-argb-pixels. My code is as follows: #lang racket/gui (require racket/gui/base) (define floor (make-object bitmap% "C:\\floortile.png")) (define pixels (make-bytes (* 32 32 4))) (send floor get-argb-pixels 0 0 32 32 pixels) After executing the code I was expecting a series of 8 bit values to be contained within pixels. Examining pixels gives me the following output: > pixels #"\377\2148\30\377\214<\30\377\234E\30\377\245I\30\377\245I\30\377\234E\30\377\234A\30\377\224A\30\377\224A\30\377\234A\30\377\245E\30\377\255M\30\377\224A\30\377\234E\30\377\245I\30\377\224A\30\377\234E\30\377\234E\30\377\255I\30\377\245I\30\377\245E\30\377\234A\30\377\234E\30\377\234A\30\377\245I\30\377\265Q\30\377\306]\30\377\306Y\30\377\275U\30\377\265Q\30\377\306a!\377\306]!\377\214<\30\377\224A\30\377\224A\30\377\245I\30\377\255M\30\377\255M\30\377\245I\30\377\234E\30\377\234E\30\377\245I\30\377\245I\30\377\255M\30\377\234A\30\377\245E\30\377\265M\30\377\234A\30\377\245I\30\377\245E\30\377\245E\30\377\255M\30\377\245I\30\377\245E\30\377\234A\30\377\234E\30\377\255I\30\377\275U\30\377\306]\30\377\326e!\377\336e!\377\265Q\30\377\326e!\377\326a!\377{8\30\377\224E\30\377\224A\30\377\245I\30\377\245I\30\377\255M\30\377\255M\30\377\255I\30\377\245I\30\377\245I\30\377\245I\30\377\265Q\30\377\214<\30\377\245I\30\377\255M\30\377\265M\30\377\255M\30\377\265M\30\377\265M\30\377\245I\30\377\234E\30\377\234E\30\377\234E\30\377\245E\30\377\275Q\30\377\306]!\377\316a!\377\336i!\377\357q!\377\275Y\30\377\316e!\377\347i!\377k0\20\377\2048\30\377\224A\30\377\265U!\377\234E\30\377\234E\30\377\245M\30\377\255M\30\377\255M\30\377\255I\30\377\255M\30\377\265M\30\377\2048\20\377\245I\30\377\245I\30\377\306Y!\377\265Q\30\377\255M\30\377\265Q\30\377\265M\30\377\265M\30\377\255I\30\377\265Q\30\377\265M\30\377\275U\30\377\316a!\377\326i!\377\347m!\377\367\216)\377\347y)\377\336m)\377\326]!\377s0\20\377{8\30\377{4\20\377\2048\30\377s4\20\377\2048\30\377{4\20\377\214<\30\377\224A\30\377\234A\30\377\224A\30\377\224A\30\377\214<\30\377\2148\30\377\224<\30\377\234A\30\377\214<\30\377\234E\30\377\245I\30\377\265Q\30\377\255M\30\377\265U\30\377\306Y\30\377\265Q\30\377\275U\30\377\326a!\377\336i!\377\347u!\377\357\206)\377\326q)\377\326i)\377\347i!\377s0\20\377{4\20\377{4\30\377\214<\30\377s4\20\377\2048\30\377s4\20\377\224A\30\377\224A\30\377\224<\30\377\234A\30\377\245E\30\377\234E\30\377\234I\30\377\234E\30\377\245I\30\377\245I\30\377\245I\30\377\265Q\30\377\306]\30\377\255M\30\377\255M\30\377\255M\30\377\255M\30\377\275U\30\377\255M\30\377\275U\30\377\316a!\377\306]!\377\326i!\377\367\206)\377\377})\377s4\30\377k,\20\377k,\20\377s4\30\377{4\20\377\2048\30\377c(\20\377\2048\20\377\234A\30\377\245E\30\377\245E\30\377\255I\30\377\245I\30\377\245I\30\377\245I\30\377\265Q\30\377\275U!\377\255M\30\377\255M\30\377\255M\30\377\255M\30\377\275U\30\377\306]!\377\275U\30\377\255M\30\377\306Y!\377\306]!\377\316e!\377\316a!\377\326i!\377\347y)\377\367y)\377c(\20\377c,\20\377k,\20\377s0\20\377s4\20\377\2048\30\377\214<\30\377{4\20\377\214<\30\377\234E\30\377\234A\30\377\245I\30\377\255M\30\377\255M\30\377\255M\30\377\265Q\30\377\265M\30\377\265Q\30\377\265Q\30\377\255M\30\377\265U\30\377\255M\30\377\265Q\30\377\265U\30\377\265U\30\377\265Q\30\377\306Y\30\377\316a!\377\306a!\377\326i!\377\347y)\377\367\202)\377c,\20\377k,\20\377s0\20\377s0\20\377{8\30\377\214<\30\377s,\20\377s0\20\377\214<\30\377\234A\30\377\245E\30\377\255M\30\377\255M\30\377\245I\30\377\255M\30\377\275U\30\377\265U\30\377\265Q\30\377\265Q\30\377\275Y\30\377\255M\30\377\255I\30\377\275U\30\377\275Y!\377\275Y\30\377\265U\30\377\306Y!\377\326e!\377\336m!\377\336q!\377\347})\377\357\202)\377s0\20\377s4\30\377s4\30\377\2048\30\377\234E\30\377\2048\20\377\2148\30\377c(\20\377\2048\30\377\214<\30\377\234E\30\377\265Q\30\377\265Q\30\377\255M\30\377\265M\30\377\316a!\377\275U\30\377\275Y\30\377\265Q\30\377\265Q\30\377\265Q\30\377\265Q\30\377\255M\30\377\275Y\30\377\275Y!\377\275Y\30\377\275U\30\377\316a!\377\347q)\377\367\202)\377\357})\377\347y)\377k0\20\377\2048\30\377{4\30\377\2048\30\377\214A\30\377\2048\30\377\2044\30\377s4\20\377k,\20\377\2048\30\377\224A\30\377\245I\30\377\234A\30\377\234E\30\377\255Q\30\377\275U\30\377\306Y!\377\265Q\30\377\255Q\30\377\265U\30\377\265U\30\377\265Q\30\377\265Q\30\377\316e!\377\316a!\377\306]!\377\275Y!\377\306]!\377\336i!\377\357})\377\367\202)\377\336u)\377k0\20\377s0\30\377\2048\30\377\204<\30\377\204<\30\377\2048\30\377\2048\30\377\214<\30\377s4\20\377\2048\30\377\214A\30\377\224A\30\377\224E\30\377\234E\30\377\265Q\30\377\275U\30\377\306Y\30\377\255M\30\377\265Q\30\377\265Q\30\377\316]!\377\326e!\377\316]!\377\336m)\377\336i)\377\316e!\377\306a!\377\326e!\377\367y)\377\367})\377\367\2061\377\367\2061\377s4\30\377{8\30\377{8\30\377\214<\30\377\214<\30\377\204<\30\377{4\20\377\214<\30\377\214<\30\377\214<\30\377\234E\30\377\234E\30\377\224E\30\377\234E\30\377\245M\30\377\275U\30\377\275U!\377\275U\30\377\306]!\377\306]!\377\316a!\377\326i)\377\347u)\377\326e!\377\347q)\377\336q)\377\326i)\377\326i)\377\347q)\377\367\202)\377\367})\377\367\2061\377{8\30\377s4\30\377{8\30\377\214<\30\377\224A\30\377\234E\30\377\214<\30\377\214<\30\377\224A\30\377\224<\30\377\234E\30\377\255M\30\377\245I\30\377\245I\30\377\255M\30\377\265U\30\377\306]!\377\306]!\377\316a!\377\316e!\377\326e!\377\347m)\377\316e!\377\306]!\377\347u)\377\347u)\377\336m)\377\316e)\377\336q)\377\357y)\377\367\202)\377\367\2021\377{4\30\377s4\30\377\2048\30\377\214A\30\377\224A\30\377\224A\30\377\224E\30\377\214<\30\377\214<\30\377\245I\30\377\234A\30\377\255M\30\377\255M\30\377\245I\30\377\255M\30\377\255Q\30\377\306]!\377\306]!\377\316a!\377\316a!\377\316a!\377\347u)\377\326e!\377\275Y!\377\265Y!\377\336m)\377\306a)\377\336m)\377\336m)\377\326e)\377\347q)\377\336q)\377s0\30\377s0\30\377\204<\30\377\224A\30\377\224E\30\377\234I\30\377\234E\30\377\234E\30\377\255M\30\377\234E\30\377{4\30\377\224<\30\377\245M\30\377\255I\30\377\234A\30\377\255M\30\377\245E\30\377\255M\30\377\265Q\30\377\245I\30\377\275U\30\377\255I\30\377\234A\30\377\224E\30\377\265U\30\377\234I\30\377\224E\30\377\245M\30\377\234M!\377\224A\30\377\234I\30\377\224E\30\377k0\20\377s0\20\377{4\30\377\214<\30\377\224E\30\377\234E\30\377\245I\30\377\234I\30\377\245I\30\377\214<\30\377\214<\30\377\255M\30\377\265Q!\377\265Q!\377\255M\30\377\306]!\377\316a)\377\326e)\377\326a!\377\316]!\377\265Q\30\377\326a!\377\255M\30\377\204<\20\377\245M\30\377\234I\30\377\245M\30\377\275]!\377\234I\30\377\255U!\377\265Y!\377\245M!\377c(\20\377k,\20\377k0\20\377\2048\30\377\224A\30\377\224E\30\377\234I\30\377\245I\30\377\275Y!\377\234E\30\377\245I\30\377\245I\30\377\265U!\377\265Q!\377\265Q!\377\306]!\377\306]!\377\316a!\377\316a!\377\336e)\377\326a!\377\316]!\377\265Q\30\377\224A\30\377\234I\30\377\275]!\377\265Y!\377\275Y!\377\275Y!\377\265U!\377\265])\377\275])\377s4\30\377c(\20\377k,\20\377s0\20\377\214A\30\377\224E\30\377\234E\30\377\306]!\377\234I\30\377\224A\30\377\265U!\377\245I\30\377\265Q!\377\265Q!\377\265M!\377\255M\30\377\306]!\377\306Y!\377\306]!\377\306]!\377\326a)\377\336i)\377\275U!\377\224A\30\377\224A\30\377\306a!\377\275]!\377\275Y!\377\275]!\377\275])\377\275Y!\377\275Y!\377s0\20\377k,\20\377s0\20\377\2048\30\377\214<\30\377\224E\30\377\234E\30\377\245M\30\377\224A\30\377\214A\30\377\245M\30\377\265Q!\377\275U!\377\255I\30\377\245I\30\377\245I\30\377\275U!\377\306Y!\377\275Y!\377\306]!\377\306]!\377\265Q\30\377\255M\30\377\224A\30\377\204<\30\377\255Q\30\377\245M\30\377\255Q!\377\265Y!\377\275]!\377\265Y!\377\275Y!\377s0\20\377k0\20\377{0\20\377\2048\30\377\204<\30\377\204<\30\377\214<\30\377\224A\30\377\316a!\377\245I\30\377\234E\30\377\245I\30\377\265U!\377\265Q!\377\265Q!\377\255M!\377\275U!\377\275U!\377\275U!\377\275Q!\377\255I\30\377\255M\30\377\255Q\30\377\234E\30\377{4\30\377\224A\30\377\214<\30\377\275Y!\377\275Y!\377\275]!\377\255Q!\377\255Q!\377k,\20\377k,\20\377s0\20\377\2044\30\377{4\20\377{4\30\377\2048\30\377\245M\30\377\265U!\377\245I\30\377\214A\30\377\275Y!\377\234A\30\377\255M\30\377\265Q!\377\245M!\377\265U!\377\275Q!\377\245I\30\377\245I\30\377\245M\30\377\265Q!\377\255Q!\377\255M\30\377\214<\30\377\245I\30\377\255Q!\377\306]!\377\306]!\377\275U!\377\265U!\377\255Q!\377c(\20\377Z(\20\377c(\20\377k,\20\377{8\30\377{4\30\377\214<\30\377\214A\30\377\234E\30\377\245I\30\377\245M\30\377\214<\30\377s0\30\377\255M!\377\255I!\377\255M!\377\255M!\377\265Q!\377\265Q!\377\255M!\377\265Q\30\377\245I\30\377\255I\30\377\306Y!\377\275Y!\377\214A\30\377\255Q\30\377\275]!\377\306])\377\306]!\377\255U!\377\255Q!\377k0\30\377k0\20\377k,\20\377s0\20\377s0\20\377s4\30\377{4\30\377\214<\30\377\245I\30\377\224A\30\377\306Y!\377\234A\30\377s0\20\377\245I\30\377\255M!\377\255M!\377\255M!\377\255M!\377\255Q!\377\265M!\377\316]!\377\245E\30\377\316]!\377\306Y!\377\275U!\377{8\30\377\255Q!\377\265Y!\377\275]!\377\275Y!\377\275Y!\377\255Q!\377k0\20\377c,\20\377k,\20\377s0\20\377{4\30\377s0\20\377{4\30\377{4\30\377\2048\30\377\245I\30\377\234E\30\377\234E\30\377k,\20\377\214<\30\377\224A\30\377\245M\30\377\214<\30\377\224E\30\377\214<\30\377\214<\30\377\214<\30\377\245I\30\377\234E\30\377\224A\30\377\224A\30\377k,\20\377\224A\30\377\265Q!\377\265Y!\377\265U!\377\265Y!\377\275Y!\377c(\20\377c,\20\377k,\20\377s0\20\377k,\20\377k0\20\377\2048\30\377\234A\30\377\214<\30\377\224A\30\377\245I\30\377\245I\30\377k0\20\377{4\20\377\214<\30\377\214A\30\377\214<\30\377\204<\30\377\2048\30\377\234I\30\377\224A\30\377\214<\30\377\234E\30\377\234E\30\377\255M\30\377\224A\30\377{8\30\377\255Q!\377\265U!\377\255U!\377\255U!\377\265U!\377c(\20\377k,\20\377s0\20\377s0\20\377{4\20\377\2048\30\377\2048\30\377\2048\30\377\224A\30\377\245M\30\377\245E\30\377\234E\30\377{4\20\377Z(\20\377k0\30\377{8\30\377\2048\30\377\214A\30\377\224A\30\377\234I\30\377\214<\30\377\224A\30\377\224A\30\377\234E\30\377\245I\30\377\255M\30\377{8\30\377\214A\30\377\255U!\377\255U!\377\245Q!\377\265U!\377c,\20\377c(\20\377k,\20\377Z$\20\377Z$\20\377Z(\20\377c(\20\377k,\20\377k,\20\377c(\20\377c(\20\377c,\20\377k0\20\377R \20\377c,\20\377s4\30\377{4\30\377\204<\30\377\2048\30\377\214A\30\377\224A\30\377\224A\30\377\234I\30\377\234I\30\377\224A\30\377\245I\30\377\224E\30\377\2048\30\377\255U!\377\255Q!\377\265U!\377\265Y)\377J \20\377J\34\20\377Z(\20\377k,\20\377k(\20\377c(\20\377R \20\377c(\20\377k,\20\377s0\20\377k0\20\377k0\20\377c,\20\377Z(\20\377c,\20\377s4\20\377s4\20\377\2048\30\377\2048\20\377\2048\30\377\224A\30\377\214A\30\377\234I\30\377\245I\30\377\234I\30\377\245M!\377\245M\30\377\204<\30\377\234M!\377\245Q!\377\265U!\377\255U!\377c,\20\377c,\20\377c(\20\377c(\20\377c(\20\377c(\20\377c(\20\377k,\20\377k,\20\377k,\20\377k0\20\377s4\20\377s0\30\377\204<\30\377c(\20\377s4\20\377s4\30\377{4\20\377{4\30\377\204<\30\377\224A\30\377\234E\30\377\234E\30\377\234E\30\377\234E\30\377\245I\30\377\245I\30\377\224E\30\377\204<\30\377\245Q!\377\255Q!\377\347\327\326\377R$\20\377k,\20\377c(\20\377c(\20\377c(\20\377c(\20\377Z$\20\377c(\20\377c(\20\377k,\20\377k,\20\377k,\20\377s0\20\377{4\30\377\204<\30\377k,\20\377s4\20\377s4\20\377{8\30\377\2048\20\377\214<\30\377\214<\30\377\214A\30\377\234E\30\377\234E\30\377\224A\30\377\224E\30\377\224E\30\377s4\30\377\214A\30\377\265\206s\377\377\377\377\377c,\20\377k,\30\377k0\20\377k,\20\377c(\20\377Z$\20\377Z(\20\377Z$\20\377c(\20\377c(\20\377c(\20\377k,\20\377k0\20\377{4\30\377{8\30\377k,\20\377c,\20\377k0\20\377s0\20\377{8\30\377\2048\30\377\2048\30\377\214<\30\377\224A\30\377\224E\30\377\214<\30\377\214A\30\377\234I\30\377{8!\377\214M1\377\377\373\377\377\377\377\377" This doesn't look like a series of 8 bit values to me. Have I done something wrong or am I misinterpreting the results?

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  • Real-time wmv video encoding in C#

    - by Greg Roberts
    How to encode video on the fly and send it trough the network from C#? Can't find a suitable library. I need to encode in WMV and don't mind if the actual encoding is made in C++ as long as the library has a .NET assembly available. Thanks

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  • Will OpenGL give me any FPS improvement over CoreAnimation for scrolling a large image?

    - by Ben Roberts
    Hi, I'm considering re-writing the menu system of my iPhone app to use Open GL just to improve the smoothness of scrolling a big image (480x1900px) across the screen. I'm looking at doing this as a way to improve on using the method/solution as described here (http://stackoverflow.com/questions/1443140/smoother-uiview). This solution was a big improvement over the previous implementation but it's still not perfect and as this is the first thing the user will see I'd like it to be as flawless as possible. Will switching to OpenGL give me the sort of smooth scrolling I'm looking for? I've stayed clear of OpenGL until now as this is my first app and core animation has handled everything else I've thrown at it well enough, would be good to know if this alternative implementation is likely to work! thanks

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  • functional-style datatypes in Python

    - by Danny Roberts
    For anyone who's spent some time with sml, ocaml, haskell, etc. when you go back to using C, Python, Java, etc. you start to notice things you never knew were missing. I'm doing some stuff in Python and I realized what I really want is a functional-style datatype like (for example) datatype phoneme = Vowel of string | Consonant of voice * place * manner datatype voice = Voiced | Voiceless datatype place = Labial | Dental | Retroflex | Palatal | Velar | Glottal datatype manner = Stop | Affricate | Fricative | Nasal | Lateral type syllable = phoneme list Does anyone have a particular way that they like to simulate this in Python?

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  • Masking FLV video in AS3 with PNG alpha channel.

    - by James Roberts
    Hey there, I'm trying to mask an FLV with a PNG alpha channel. I'm using BitmapData (from a PNG) but it's not working. Is there anything I'm missing? Cut up code below: var musclesLoader:Loader = new Loader(); var musclesContainer:Sprite = new Sprite(); var musclesImage:Bitmap = new Bitmap(); var musclesBitmapData:BitmapData; var musclesVideo:Video = new Video(752, 451.2); var connection:NetConnection = new NetConnection(); var stream:NetStream; function loadMuscles():void { musclesLoader.load(new URLRequest('img/muscles.png')); musclesLoader.contentLoaderInfo.addEventListener(Event.COMPLETE, musclesComplete); } function musclesComplete():void { musclesBitmapData = new BitmapData(musclesLoader.content.width, musclesLoader.content.height, true, 0x000000); musclesImage.bitmapData = musclesBitmapData; musclesImage.smoothing = true; musclesContainer.addChild(musclesImage); contentContainer.addChild(musclesContainer); } function loadMusclesVideo():void { connection.connect(null); stream = new NetStream(connection); stream.client = this; musclesVideo.mask = musclesBitmapData; stage.addChild(musclesVideo); musclesVideo.attachNetStream(stream); stream.bufferTime = 1; stream.receiveAudio(true); stream.receiveVideo(true); stream.play("vid/muscles.flv"); } Outside this code I have a function that adds the containers to the stage, etc and places the objects in the appropriate spots. It sort of works - the mask applies, but in a square (the size of the boundaries of musclesBitmapData) rather than with the shape of the alpha channel. Is this the right way to go about this?

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  • forward/strong enum in VS2010

    - by Noah Roberts
    At http://blogs.msdn.com/vcblog/archive/2010/04/06/c-0x-core-language-features-in-vc10-the-table.aspx there is a table showing C++0x features that are implemented in 2010 RC. Among them are listed forwarding enums and strongly typed enums but they are listed as "partial". The main text of the article says that this means they are either incomplete or implemented in some non-standard way. So I've got VS2010RC and am playing around with the C++0x features. I can't figure these ones out and can't find any documentation on these two features. Not even the simplest attempts compile. enum class E { test }; int main() {} fails with: 1e:\dev_workspace\experimental\2010_feature_assessment\2010_feature_assessment\main.cpp(518): error C2332: 'enum' : missing tag name 1e:\dev_workspace\experimental\2010_feature_assessment\2010_feature_assessment\main.cpp(518): error C2236: unexpected 'class' 'E'. Did you forget a ';'? 1e:\dev_workspace\experimental\2010_feature_assessment\2010_feature_assessment\main.cpp(518): error C3381: 'E' : assembly access specifiers are only available in code compiled with a /clr option 1e:\dev_workspace\experimental\2010_feature_assessment\2010_feature_assessment\main.cpp(518): error C2143: syntax error : missing ';' before '}' 1e:\dev_workspace\experimental\2010_feature_assessment\2010_feature_assessment\main.cpp(518): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int ========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ========== int main() { enum E : short; } Fails with: 1e:\dev_workspace\experimental\2010_feature_assessment\2010_feature_assessment\main.cpp(513): warning C4480: nonstandard extension used: specifying underlying type for enum 'main::E' 1e:\dev_workspace\experimental\2010_feature_assessment\2010_feature_assessment\main.cpp(513): error C2059: syntax error : ';' ========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ========== So it seems it must be some totally non-standard implementation that has allowed them to justify calling this feature "partially" done. How would I rewrite that code to access the forwarding and strong type feature?

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  • Subsonic SimpleRepository upload image

    - by Dusty Roberts
    Hi There I have been using SimpleRepository for months now, and for the first time i have to upload and store an Image/Document in the database My Class looks as follow: public class Document: ObjectMetaData { public string FileName { get; set; } public Guid UserId { get; set; } public DocumentType DocumentType { get; set; } public string DocumentLocation { get; set; } public byte[] DocumentData { get; set; } } public enum DocumentType { EmploymentContractSigned = 1, EmploymentContractUnSigned = 2 } When i persist the data to the db, subsonic just ignore's the "DocumentData" how do i save the file to db then? DocumantData = File.ReadAllBytes("somefile.doc")

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  • VS2010 .filter files and SVN

    - by Noah Roberts
    Since we've switched to VS2010 we've noticed a new .filters file that apparently contains the filter structure of the project. We're also using subversion as our source control. Unfortunately, every time we check in now we end up with merge conflicts if anyone's added a file or filter to the project. SVN seems absolutely incapable of merging this file type correctly even though it's text based. It's getting rather frustrating. Is anyone else dealing with this problem? Has anyone found a solution?

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  • VS2010 + Resharper 5 performance issues

    - by Jeremy Roberts
    I have been using VS2010 with Resharper 5 for several weeks and am having a performance issue. Sometimes when typing, the cursor will lag and the keystrokes won't show instantaneously. Also, scrolling will lag at times. There is a forum thread started and JetBrains has been responding. Several people (including myself) have added their voice and uploaded some performance profiles. If anyone here has has this issue, I would encourage you to visit the thread and let JetBrains know about it. Has anyone had this problem and have a suggestion to restore performance?

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  • Spreadsheet ML Text Color (Colour) Rendering

    - by Chris Roberts
    Hi All, I am writing a tool which generates some Spreadsheet ML (XML) to create an Excel spreadsheet for my users. I have defined a style as follows: <Style ss:ID="GreenText"> <Font ss:FontName="Arial" ss:Size="9" ss:Color="#8CBE50" /> </Style> This works to an extent, but when I open it in Excel the colour rendered for the text isn't the one I specified - it's a brighter version. I can use the same colour reference for a cell border and the colour is rendered correctly. Can anyone shed any light on why the text colour isn't rendered correctly? Thanks!

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  • VS2010 profiler/leak detection

    - by Noah Roberts
    Anyone know of a profiler and leak detector that will work with VS2010 code? Preferably one that runs on Win7. I've searched here and in google. I've found one leak detector that works (Memory Validator) but I'm not too impressed. For one thing it shows a bunch of menu leaks and stuff which I'm fairly confident are not real. I also tried GlowCode but it's JUST a profiler and refuses to install on win7. I used to use AQtime. It had everything I needed, memory/resource leak detection, profiling various things, static analysis, etc. Unfortunately it gives bogus results now. My main immediate issue is that VS2010 is saying there are leaks in a program that had none in VS2005. I'm almost certain it's false positives but I can't seem to find a good tool to verify this. Memory Validator doesn't show the same ones and the reporting of leaks from VS doesn't seem rational.

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  • Qt, MSVC, and /Zc:wchar_t- == I want to blow up the world

    - by Noah Roberts
    So Qt is compiled with /Zc:wchar_t- on windows. What this means is that instead of wchar_t being a typedef for some internal type (__wchar_t I think) it becomes a typedef for unsigned short. The really cool thing about this is that the default for MSVC is the opposite, which of course means that the libraries you're using are likely compiled with wchar_t being a different type than Qt's wchar_t. This doesn't become an issue of course until you try to use something like std::wstring in your code; especially when one or more libraries have functions that accept it as parameters. What effectively happens is that your code happily compiles but then fails to link because it's looking for definitions using std::wstring<unsigned short...> but they only contain definitions expecting std::wstring<__wchar_t...> (or whatever). So I did some web searching and ran into this link: http://bugreports.qt.nokia.com/browse/QTBUG-6345 Based on the statement by Thiago Macieira, "Sorry, we will not support building Qt like this," I've been worried that fixing Qt to work like everything else might cause some problem and have been trying to avoid it. We recompiled all of our support libraries with the /Zc:wchar_t- flag and have been fairly content with that until a couple days ago when we started trying to port over (we're in the process of switching from Wx to Qt) some serialization code. Because of how win32 works, and because Wx just wraps win32, we've been using std::wstring to represent string data with the intent of making our product as i18n ready as possible. We did some testing and Wx did not work with multibyte characters when trying to print special stuff (even not so special stuff like the degree symbol was an issue). I'm not so sure that Qt has this problem since QString isn't just a wrapper to the underlying _TCHAR type but is a Unicode monster of some sort. At any rate, the serialization library in boost has compiled parts. We've attempted to recompile boost with /Zc:wchar_t- but so far our attempts to tell bjam to do this have gone unheeded. We're at an impasse. From where I'm sitting I have three options: Recompile Qt and hope it works with /Zc:wchar_t. There's some evidence around the web that others have done this but I have no way of predicting what will happen. All attempts to ask Qt people on forums and such have gone unanswered. Hell, even in that very bug report someone asks why and it just sat there for a year. Keep fighting with bjam until it listens. Right now I've got someone under me doing that and I have more experience fighting with things to get what I want but I do have to admit to getting rather tired of it. I'm also concerned that I'll KEEP running into this issue just because Qt wants to be a c**t. Stop using wchar_t for anything. Unfortunately my i18n experience is pretty much 0 but it seems to me that I just need to find the right to/from function in QString (it has a BUNCH) to encode the Unicode into 8-bytes and visa-versa. UTF8 functions look promising but I really want to be sure that no data will be lost if someone from Zimbabfuckegypt starts writing in their own language and the documentation in QString frightens me a little into thinking that could happen. Of course, I could always run into some library that insists I use wchar_t and then I'm back to 1 or 2 but I rather doubt that would happen. So, what's my question... Which of these options is my best bet? Is Qt going to eventually cause me to gouge out my own eyes because I decided to compile it with /Zc:wchar_t anyway? What's the magic incantation to get boost to build with /Zc:wchar_t- and will THAT cause permanent mental damage? Can I get away with just using the standard 8-bit (well, 'common' anyway) character classes and be i18n compliant/ready? How do other Qt developers deal with this mess?

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  • Windows Login Integration

    - by Dusty Roberts
    Hi Peeps. I am building facial recognition software for a certain purpose, however, as a spin-off i would like to use that same software / concept, to automatically recognize me when i sit in front of the PC, and log me in. recognition is handled.. however, i need to incorporate this into windows, the same way fingerprint logins work. where can i go to get some more info on the doing this?

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