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  • Are there any .net classes/functions that are optimized for multiple cores?

    - by diamandiev
    I know that the developer is supposed to do this himself. But seeing how we are getting cpu's with more and more cores and there are still many developers who do not use multithreading, if we have this functionality built in, it could increase performance dramatically in some scenarios. One particular example where this could be quite useful is in image processing. I doubt that the built in GDI+ classes are multithreaded.

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  • Bizarre WHERE col = NULL behavior

    - by Kenneth
    This is a problem one of our developers brought to me. He stumbled across an old stored procedure which used 'WHERE col = NULL' several times. When the stored procedure is executed it returns data. If the query inside the stored procedure is executed manually it will not return data unless the 'WHERE col = NULL' references are changed to 'WHERE col IS NULL'. Can anyone explain this behavior?

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  • Implementing a virtual file system in .NET

    - by Charlie Somerville
    A while back a found a great-looking framework that allowed .net developers to implement a virtual file system. I thought I had bookmarked it, but it seems I haven't. Does anyone know any frameworks for doing this? EDIT: Here's a hint... It had a catchy, short name and it's own domain. Sorry, that's all I can remember :p

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  • facebook application testing

    - by Jacksta
    I am goign to start mucking around with a facebook app. You are spposed to be able to test code here http://developers.facebook.com/tools.php but that url is a 404. Does anyone know if the Test Console still exists?

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  • Are there any StatusNet toolkits for .NET?

    - by Broam
    There are plenty of projects out there that assist developers in posting things to Twitter; the one I can think of off the top of my head is Twitterizer. Are there any projects for posting to StatusNet? Given that StatusNet implements an API very similar to Twitter, I could probably modify/extend Twitterizer to do just that. However, I'd like to avoid reinventing the wheel if at all possible if something exists already.

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  • How do I turn off automatic saving of a vim file with a ~ suffix

    - by Leonard
    In my environment, I share vim configuration with other developers (and have my own configuration additions as well) in various .vimrc files. Some places in the environment, I edit a file in vim and automagically a copy of that file with a trailing tilde suffix appears. What vim options control this? I'd like to turn the feature off, as it just clutters up my directories and spoils auto-completion on the command line. Thanks.

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  • WPF - Transparency - Stream Desktop Content

    - by Niels Willems
    Greetings I'm in the process of making a Scoreboard for a game (Starcraft II). This scoreboard is being made as a WPF Application with a C# code-behind. I already have a version which works for 90% in WinForms but I lacked the support to easily make it look a lot nicer which are available in WPF. The point of this application will be to form a kind of overlay on top of a running game. This game is in Fulscreen(Windowed Mode) so when in WinForms I coded it so that it should always be on top. It would do so and that was no problem. Since the main look of the app in WPF is based on an image with a transparent background I have set most Background values to Transparent. However when I do this the entire application does not get registered by streaming software. For example it just shows my Desktop or the game I'm playing but not my application even though it IS there. I can see it with my own eyes but the audience on the stream cannot. Does anyone have any experience with this matter because it's really doing my head in. My entire application will be useless if it is not visible on streams. If I have to put the background on a color rather than transparent the UI will be completely demolished as well in terms of looks. I'm basically trying to make a game-overlay in C# & WPF. I have read you can do this on different ways as well but I have little to no knowledge of C++ nor do I know anything about DirectX Thank you for your time reading and your possible insights. Edit: The best solution would be an overlay similar to that one of Steam/Xfire/Dolby Axon. Edit 2: I've had no luck with all the suggestions so I basically made the transparent bits of my image non transparent and let the user decide which one to use depending on what streaming software they would be using.

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  • What is the technical skill degree of your co-workers?

    - by bonefisher
    For now it has been around 4 years that I work as developer. Most of my team mates, from their tech-skill, programming ability and code practices view, are somewhere between junior and senior. In all my previous jobs, there was a real geek who was brilliant at coding/analyzing/lead, but the others were just 'average' programmers. How would you rank your co-workers as good developers from rank 1 (best) - 5 (worst) ?

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  • What are some good usability guidelines an average developer should follow?

    - by Allain Lalonde
    I'm not a usability specialist, and I really don't care to be one. I just want a small set of rules of thumb that I can follow while coding my User Interfaces so that my product has decent usability. At first I thought that this question would be easy to answer "Use your common sense", but if it's so common among us developers we wouldn't, as a group, have a reputation for our horrible interfaces. Any Suggestions?

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  • What are the most active Ruby forums/blogs on the web?

    - by MOZILLA
    I have just spent 2 days with Ruby, and my observation in last two days is that it is very difficult (as compared to say .NET/Java) to find an active forum/blogs which are helpful for Ruby (or maybe I don't know them since I am new). Which are the most common forums/blogs developers visit when they need help with Ruby (other than Stack Overflow)?

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  • set validatorcontrol.setfocusonerror="true" for all validator controls in asp.net website

    - by Rohit
    We are about to release beta version of our website. Lately we have seen that developers have not set setfocusonerror on any of the validaor controls used.We have to set this property. Now, one solution is to open every page and put this property in place. I am looking for some othe way like some configuration in web.config or some other quick solution. I have usercontrols and pages. Page derive from base page.Please suggest.

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  • Tracking down slow managed DLL loading

    - by Alex K
    I am faced with the following issue and at this point I feel like I'm severely lacking some sort of tool, I just don't know what that tool is, or what exactly it should be doing. Here is the setup: I have a 3rd party DLL that has to be registered in GAC. This all works fine and good on pretty much every machine our software was deployed on before. But now we got 2 machines, seemingly identical to the ones we know work (they are cloned from the same image and stuffed with the same hardware, so pretty much the only difference is software settings, over which I went over and over, and they seem fine). Now the problem, the DLL in GAC takes a very long time to load. At least I believe this is the issue, what I can say definitively is that instantiating a single class from that DLL is the slow part. Once it is loaded, thing fly as they always have. But while on known-good machines the DLL loads so fast that a timestamp in the log doesn't even change, on these 2 machines it take over 1min to load. Knowns: I have no access to the source, so I can't debug through the DLL. Our app is the only one that uses it (so shouldn't be simultaneous access issues). There is only one version of this DLL in existance, so it shouldn't be a matter of version conflict. The GAC reference is being used (if I uninstall the DLL from GAC, an exception will be thrown about the missing GAC reference). Could someone with a greater skill in debug-fu suggest what I can do to track down the root cause of this issue?

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  • Displaying fancy routes in cloudmade based service

    - by Rob
    I look for a way to display a route in a fancy way using the Cloudmade service. Currently, I can see computed routes like on this tutorial http://developers.cloudmade.com/projects/web-maps-lite/examples/routing, but I look for a fancier way to do it -- without A and B tags, and with colors, etc. Is this possible ? Thanks for your help Rob

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  • Patterns / Solutions to complicated Feature Management

    - by yclian
    Hi all, My company develops CDN / Web-Hosting solution. We have a middleware that's served as a business logic layer and exposes web service for the front-end. I would like to seek for a clean solution to feature management - there're uncertainties and ugly workarounds/solutions in the software that the dev would say "when it happens or is broken, we will fix it". For example, here're the following features that a web publisher can have: Sites limit Bandwidth limit SSL feature + SSL configuration per site If we downgrade a web publisher, when he's having 10 sites, down to 5 sites, we can choose not to suspend the rest of the 5 sites, or we shall prompt for suspension before the downgrade. For the case of bandwidth limit, the downgrade is easy, when the bandwidth check happens, if the publisher has it exceeded, then we will suspend his account. For the case of SSL feature. Every SSL configuration is tied to a site, what shall happen to these configuration object when the SSL feature is downgraded from enabled to disabled? So as you can see, there're many different situations and there are different ways of handling it. I can make a system that examines the impacts and prompts the user to make changes before the downgrade/upgrade. Or a system that ignores the impacts and just upgrade/downgrade. Bad. Or a system designed in a way that the client code need to be aware of the complex feature matrix (or I can expose a helper to the client code to check if a feature is not DEFUNCT) There can be many ways that I am still thinking but puzzled. I am wondering, how would you tackle this issue and is there any recommended patterns or books or software that you think I can refer to? Appreciate your help.

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  • Scrum backlog sizing is taking forever

    - by zachary
    I work on a huge project. While we program we end up meeting for endless backlog sizing sessions where all the developers sit down with the team and size user stories. Scrum doubters are saying that this process is taking too long and development time is being wasted. My question is how long should it take to size a user story on average? And does anyone have any tips to make these sizing sessions go quicker?

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  • use Ghostscript to convert pcl to postscript

    - by Bryon
    So I want to use Ghostscript to convert files that are created in pcl format to postscript. That's the gist of my problem. I am simply trying to run it on the command line, but in the final stage it will have to be run on a lp command like lp -d < gs something something GPL Ghostscript 9.00 (2010-09-14) I will be running this on a solaris 10 server but I believe any unix system should work similar. bash-3.00# /usr/local/bin/gs -sDEVICE=pswrite -dLanguageLevel=1 -dNOPAUSE -dBATCH -dSAFER -sOutputFile=output.ps cms-form.pcl GPL Ghostscript 9.00 (2010-09-14) Copyright (C) 2010 Artifex Software, Inc. All rights reserved. This software comes with NO WARRANTY: see the file PUBLIC for details. Error: /undefined in &k2G-210z100u0l6d0e63fa0V Operand stack: Execution stack: %interp_exit .runexec2 --nostringval-- --nostringval-- --nostringval-- 2 %stopped_push --nostringval-- --nostringval-- --nostringval-- false 1 %stopped_push 1910 1 3 %oparray_pop 1909 1 3 %oparray_pop 1893 1 3 %oparray_pop 1787 1 3 %oparray_pop --nostringval-- %errorexec_pop .runexec2 --nostringval-- --nostringval-- --nostringval-- 2 %stopped_push --nostringval-- Dictionary stack: --dict:1154/1684(ro)(G)-- --dict:0/20(G)-- --dict:77/200(L)-- Current allocation mode is local Current file position is 30 GPL Ghostscript 9.00: Unrecoverable error, exit code 1

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  • Licences Team Foundation Server

    - by cpt.oneeye
    Hello, We are now 5 developers and want to use Team Foundation Server. What do we need? 1 Premium/Ultimate Licence and a Professional Version for each developer? Or does Ultimate already contains more than one licence? thx cpt.oneeye

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  • calling startActivity() inside of a instance method - causing a NullPointerException

    - by Cole
    Heya - I'm trying to call startActivity() from a class that extends AsyncTask in the onPostExecute(). Here's the flow: Class that extends AsyncTask: protected void onPostExecute() { Login login = new Login(); login.pushCreateNewOrChooseExistingFormActivity(); } Class that extends Activity: public void pushCreateNewOrChooseExistingFormActivity() { // start the CreateNewOrChooseExistingForm Activity Intent intent = new Intent(Intent.ACTION_VIEW); **ERROR_HERE*** intent.setClassName(this, CreateNewOrChooseExistingForm.class.getName()); startActivity(intent); } And I get this error… every time: 03-17 16:04:29.579: ERROR/AndroidRuntime(1503): FATAL EXCEPTION: main 03-17 16:04:29.579: ERROR/AndroidRuntime(1503): java.lang.NullPointerException 03-17 16:04:29.579: ERROR/AndroidRuntime(1503): at android.content.ContextWrapper.getPackageName(ContextWrapper.java:120) 03-17 16:04:29.579: ERROR/AndroidRuntime(1503): at android.content.ComponentName.(ComponentName.java:62) 03-17 16:04:29.579: ERROR/AndroidRuntime(1503): at android.content.Intent.setClassName(Intent.java:4850) 03-17 16:04:29.579: ERROR/AndroidRuntime(1503): at com.att.AppName.Login.pushCreateNewOrChooseExistingFormActivity(Login.java:47) For iOS developers - I'm just trying to push a new view controller on to a navigational controller's stack a la pushViewController:animated:. Which apparently - is hard to do on this platform. Any ideas? Thanks in advance! UPDATE - FIXED: per @Falmarri advice, i managed to resolve this issue. first of all, i'm no longer calling Login login = new Login(); to create a new login object. bad. bad. bad. no cookie. instead, when preparing to call .execute(), this tutorial suggests passing the applicationContext to the class the executes the AsyncTask, for my purposes, as shown below: CallWebServiceTask task = new CallWebServiceTask(); // pass the login object to the task task.applicationContext = login; // execute the task in the background, passing the required params task.execute(login); now, in onPostExecute(), i can get to my Login objects methods like so: ((Login) applicationContext).pushCreateNewOrChooseExistingFormActivity(); ((Login) applicationContext).showLoginFailedAlert(result.get("httpResponseCode").toString()); ... hope this helps someone else out there! especially iOS developers transistioning over to Android...

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  • Resources for Windows Phone 7 development

    - by geocoin
    Windows Phone 7 has just been unveiled and right now there is no publicly available information to non-privileged developers/partners. MS are announcing all details of the development chain at the Mix10 conference. So until then this could be a good starting point/collection of online resources as they appear EDIT: I've added the speculation tag so we can also accumulate speculation. Please mark speculative posts as such. once firm details are announced we can confirm or delete them

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  • I Cannot retrieve ARPINSTALLLOCATION so we know where to install a new version [WIX]

    - by Birkoff
    I am trying to retrieve the ARPINSTALLLOCATION during the installation of a Major Upgrade version of the software. Following this info I managed to set the ARPINSTALLLOCATION to the custom path. However, retrieving it again isn't working. I've tried many things over the past days but it keeps defaulting back to the default installation path instead of the custom one. <InstallUISequence> <AppSearch After="FindRelatedProducts"/> ... </InstallUISequence> <Property Id="WIXUI_INSTALLDIR" Value="APPROOTDIRECTORY"> <RegistrySearch Id="FindInstallLocation" Root="HKLM" Key="Software\Microsoft\Windows\CurrentVersion\Uninstall\[OLDERVERSIONBEINGUPGRADED]" Name="InstallLocation" Type="raw" /> </Property> In the custom WixUI_InstallDir UI I have this in the CustomInstallDirDlg <Control Id="Folder" Type="PathEdit" X="20" Y="90" Width="260" Height="18" Property="WIXUI_INSTALLDIR" Indirect="yes" /> The alternative install path is in the registry, but it isn't retrieved and shown in the control. What am I doing wrong here? -Birkoff

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  • Planning and coping with deadlines in SCRUM

    - by John
    From wikipedia: During each “sprint”, typically a two to four week period (with the length being decided by the team), the team creates a potentially shippable product increment (for example, working and tested software). The set of features that go into a sprint come from the product “backlog,” which is a prioritized set of high level requirements of work to be done. Which backlog items go into the sprint is determined during the sprint planning meeting. During this meeting, the Product Owner informs the team of the items in the product backlog that he or she wants completed. The team then determines how much of this they can commit to complete during the next sprint. During a sprint, no one is allowed to change the sprint backlog, which means that the requirements are frozen for that sprint. After a sprint is completed, the team demonstrates the use of the software. I was reading this and two questions immediately popped into my head: 1)If a sprint is only a couple of weeks, decided in a single meeting, how can you accurately plan what can be achieved? High-level tasks can't be estimated accurately in my experience, and can easily double what seems reasonable. As a developer, I hate being pushed into committing what I can deliver in the next month based on a set of customer requirements, this goes against everything I know about generating reliable estimates rather than having to roughly estimate and then double it! 2)Since the requirements are supposed to be locked and a deliverable product available at the end, what happens when something does take twice as long? What if this feature is only 1/2 done at the end of the sprint? The wiki article goes on to talk about Sprint planning, where things are broken down into much smaller tasks for estimation (<1 day) but this is after the Sprint features are already planned and the release agreed, isn't it? kind of like a salesman promising something without consulting the developers.

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