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  • TopComponent, Node, Lookup, Palette, and Visual Library

    - by Geertjan
    Here's a small example that puts together several pieces in the context of a NetBeans Platform application, i.e., TopComponent, Node, Lookup, Palette, and Visual Library: http://java.net/projects/nb-api-samples/sources/api-samples/show/versions/7.2/misc/CensusDesigner The result is a drag-and-drop user interface, i.e., drag items from the palette and drop them onto the window, that's all it does, nothing too fancy, just puts the basic NetBeans Platform pieces together in a pretty standard combination:

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  • Read about Interface-Based Programming in C#

    - by Editor
    Learn to program using interfaces by reading C# Online.NET articles like Interfaces and Abstract Classes. And, here is an excerpt from a VSLive! article on Interface-Based Programming in C#. "Interfaces help define a contract, or agreement, between your application and other objects. This agreement indicates what sort of methods, properties and events are exposed by an object. [...]

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  • Silverlight - Creating Image Map with Hotspots

    Recently, I was working on a Silverlight application and one of the pages contained a graphic. One of the requirements was that the graphic should contain clickable regions (Hotspots) and display a dynamic navigation menu when clicked on. An image that contains one or more Hotspots or clickable areas is called an image map. I have put together a simple tutorial on how to get this done.

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  • Thuzi, Outback and Azure: Tapping the Power of Facebook and the Cloud

    So you've decided to leverage social media with an application you hope will go viral. Are you prepared to log signups at a rate of 20 per minute, 1,200 per hour and 670,000 in five weeks? Can you handle 50,000 signups in one day? Here's how the Outback Steakhouse restaurant chain, in cahoots with Florida ISV Thuzi and Windows Azure, turned a free appetizer offer into a Bloomin' success--and how others are following suit.

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  • Determine Better Coding Practice

    - by footprint.
    As a new programmer, it has always been hard to create applications, because I am still at the learning stage. I understand that to achieve a particular affect or function in an application, there will be numerous ways to achieve the same result. However, should I just purely create a function to it's working state, which means that as long as it works, just as the way I want it to, then it should be fine. Can any fellow programmers of a higher level kindly let me know the right way of doing things?

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  • Nvidia R310 Drivers break Starcraft

    - by user19192
    I was originally using the latest proprietary Nvidia drivers from nvidia-current, after upgrading the new R310 drivers my system works fine, but Starcraft 2 won't run anymore. (I'm running it through play-on-linux) I get that the application has attempted to load the C runtime library incorrectly and that DirectX failed to initialize. Previously, executing echo 0|sudo tee /proc/sys/kernel/yama/ptrace_scope would fix the problem, but does no longer work. Any ideas? Or do I have to downgrade back to nvidia-current drivers.

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  • Libreoffice 3.5 won't launch from Desktop Shortcut: Ubuntu 11.10 Unity

    - by Aivard
    I've upgraded my Libreoffice to the recent 3.5 version. Before, I was using LO 3.45 and it had no problems on launching from the Desktop Shortcut. Anyways, when I upgraded and tried to create a shortcut from the launcher it reported this, "The application launcher "libreoffice3.5-base.desktop" has not been marked as trusted. If you do not know the source of this file, launching it may be unsafe." Any ideas of fixing this. Thanks in advance: Regards

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  • Most common Apache and PHP configuration for portable Web Applications

    - by Mahan
    I always create web application using PHP but I always distribute and deploy my works to different kinds of server platforms and web server configurations. Thus I always encounter problems in deployment because some features are enabled and others are disabled. And my question, is there a standard web server configuration that is commonly used by most of web servers worldwide? covering the aspects of reliability, security and maintainability?

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  • Performance Tuning Re-indexing and Update Statistics – A Case Study

    Recently we started experiencing a very strange issue in our production reporting environment where the Re-indexing and Update Statistics operation suddenly began taking more than 2 days to complete and was thus causing blockage in the database which in turn caused impairment in application performance. NEW! Take the stress out of .NET deploymentEliminate the risk in deploying manually to live systems using Deployment Manager, the new tool from Red Gate. Try it now.

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  • Database Continuous Integration 101

    We talk a lot about continuous integration here on the Atlassian Dev Tools blog, and many readers are bonafide CI gurus. Now that you are integrating your application code, test code, config files and deploy scripts, are you ready to take it to the next level? An increasing number of engineering shops are starting to bring the continuous integration discipline into their database development. Get smart with SQL Backup ProGet faster, smaller backups with integrated verification.Quickly and easily DBCC CHECKDB your backups. Learn more.

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  • Archiving SQL Server Data Using Partitioning

    Many companies now have a requirement to keep data for long periods of time. While this data does have to be available if requested, it usually does not need to be accessible by the application for any current transactions. Data that falls into this category are a good candidate for archival. Is your SQL Database under Version Control?SSMS plug-in SQL Source Control connects SVN, TFS, Git, Hg and all others to SQL Server. Learn more.

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  • Building Enterprise Smartphone App &ndash; Part 3: Key Concerns

    - by Tim Murphy
    This is part 3 in a series of posts based on a talk I gave recently at the Chicago Information Technology Architects Group.  Feel free to leave feedback. Keys Concerns Of Smartphones In The Enterprise These are the factors that you need to be aware of and address in order to build successful enterprise smartphone applications.  Most of them have nothing to do with the application itself as you will see here. Managing Devices Managing devices is a factor that is going to effect how much your company will have to spend outside of developing the applications.  How will you track the devices within the corporation?  How often will you have to replace phones and as a consequence have to upgrade your applications to support new phones?  The devices can represent a significant investment of capital.  If these questions are not addressed you will find a number of hidden costs throughout the life of your solution. Purchase or BYOD We have seen the trend of Bring Your Own Device (BYOD) lately within the enterprise.  How many meetings have you been in where someone is on their personal iPad, iPhone, Android phone or Windows Phone?  The issue is if you can afford to support everyone's choice in device? That is a lot to take on even if you only support the current release of each platform. Do you go with the most popular device or do you pick a platform that best matches your current ecosystem and distribute company owned devices?  There is no easy answer here, but you should be able give some dollar value to both hardware and development costs related to platform coverage. Asset Tracking/Insurance Smartphones are devices that are easier to lose or have stolen than laptops and desktops. Not only do you have your normal asset management concerns but also assignment of financial responsibility. You also will need to insure them against damage and theft and add legal documents that spell out the responsibilities of the employees that use these devices. Personal vs. Corporate Data What happens when you terminate an employee?  How do you recover the device?  What happens when they have put personal data on the device?  These are all situation that can cause possible loss of corporate intellectual property or legal repercussions of reclaiming a device with personal data on it.  Policies need to be put in place that protect the company from being exposed to type of loss.  This can mean significant legal and procedural cost that you need to consider. Coming Up In the last installment of this series I will cover application development considerations. del.icio.us Tags: Smartphones,Enterprise Smartphone Apps,Architecture

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  • Silverlight 4 SDK Release Candidate Is Available

    Microsoft has unveiled the Release Candidate of the Silverlight 4 SDK. This latest version delivers hundreds of features and controls that present the leading edge in rapid, powerful application development. Note: this is a developer release only that does not have "go-live" licensing available or an end-user runtime....Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • No sound on Dell Inspiron 6400n

    - by yanski
    After a clean install of Ubuntu 12.04 on my Dell Inspiron 6400n Laptop there is no sound on any application I use apart from the log in screen ready noise. If I click on the speaker icon on the top panel then sound settings it tells me that the default playback device is S/PDIF. In alsamixer the slider is set to zero. I am sure it should be HDA intel or similar. How can I get the sound working please...?

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  • Quel EDI utilisez-vous pour vos développements Android ? Quels en sont les principaux atouts ?

    Quel EDI utilisez-vous pour vos développements Android ? Quels en sont les principaux atouts ?L'écosystème mobile est en plein essor et de nombreux développeurs se sont déjà lancés dans la création d'applications pour plateformes mobiles.Android, de part son positionnement comme OS mobile dominant, bénéficie d'une attention particulière des développeurs.Si vous avez déjà développé une application Android (ou envisagez de le faire), quel environnement de développement intégré (EDI) avez-vous utilisé...

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  • How do I not show files on the main screen

    - by ChuckMcM
    Ok, so I upgraded to 12.10 and have been trying out Unity, my screen has become a complete mess of folders and files. "Back in the day" the folders that were on my screen were the ones shown in the .Desktop directory now it seems like all the files in my login directory are there (that is a lot of files) Is there some way to set the files being diplayed to come from a specific directory? if so how? I think I've gone through every panel of the system settings application.

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  • Mozilla : le projet d'écosystème d'applications Web se concrétise, la fondation sort une première version avec une API stable

    Mozilla : le projet d'écosystème d'applications Web se concrétise La fondation sort une première version avec une API stable Mise à jour du 04/03/11 par Idelways La fondation Mozilla vient d'annoncer la disponibilité d'une première version du projet «*Mozilla Web Application*». Un projet très ambitieux, destiné à créer un écosystème de boutiques d'applications Web (gratuites ou payantes), ouvert à tous les navigateurs modernes et à tous les périphériques (lire ci-devant). Des applications écrites, bien entendu, avec les standards Web : HTML5, JavaScript, etc. Ce premier Build du projet embarque une API stable, des utilitaires pou...

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  • How to change the icon of an aplicatication at the LxPanel on Lubuntu?

    - by Zignd
    After installing Lubuntu 12.10, I decided to install IDLE 3 (from the official Ubuntu repository), but something unexpected happened, its icon gets bigger then the LxPanel and all the another aplications icos, the same happens at the menu when I select it from Menu Programming IDLE 3 Check the image: Note: Wasn't possible to take a printscreen from IDLE at the Menu because the printscreen action ignore the menu when it is opened. Knowing that I'd like to know how to change the icon of an application? Or better, if possible, how to resize this specific icon to normal size?

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  • Is there a more efficient way to filter large arrays than preg_match()?

    - by hozza
    I have a log that our web application builds. Each month it contains around 16,000 entries of a string with about the average sentence worth of text. To filter/search through these in our admin panel the script uses preg_match() but this seems to be taking ages and timing out on the 30sec limit. I have isolated that it is indeed the preg_match() that causes the time out. Is there a more efficient way to search through values in a large array for a users input?

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  • Implenting ActiveRecord with inheritance?

    - by King
    I recently converted an old application that was using XML files as the data store to use SQL instead. To avoid a lot of changes I basically created ActiveRecord style classes that inherited from the original business objects. For example SomeClassRecord :SomeClass //ID Property //Save method I then used this new class in place of the other one, because of polymorphism I didn't need to change any methods that took SomeClass as a parameter. Would this be considered 'Bad'? What would be a better alternative?

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  • Should I use scaffolding or not in Ruby on Rails?

    - by dpacmittal
    I'm learning Ruby on Rails for a new project of mine. I am referring the book 'Agile Web Development with Rails' which shows how to build a shopping cart and they use scaffolding. I'm pretty familiar with MVC architecture and have used several frameworks in PHP to build applications. I've never used scaffolding and I'm not sure if that's the best way to start building an application. Experienced users, please suggest if I should be using scaffolding or should I code manually.

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