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• Designing persistence schema for BigTable on AppEngine

  - by Vitalij Zadneprovskij

  I have tried to design the datastore schema for a very small application. That schema would have been very simple, if not trivial, using a relational database with foreign keys, many-to-many relations, joins, etc. But the problem was that my application was targeted for Google App Engine and I had to design for a database that was not relational. At the end I gave up. Is there a book or an article that describes design principles for applications that are meant for such databases? The books that I have found are about programming for App Engine and they don't spend many words about database design principles.

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• Advice for Storing and Displaying Dates and Times Across Different Time Zones

  A common question I receive from clients, colleagues, and 4Guys readers is for recommendations on how best to store and display dates and times in a data-driven web application. One of the challenges in storing and displaying dates in a web application is that it is quite likely that the visitors arriving at your site are not in the same time zone as your web server; moreover, it's very likely that your site attracts visitors from many different time zones from around the world.Consider an online messageboard site, like <a href="http://www.aspmessageboard.com/">ASPMessageboard.com</a>, where each of 1,000,000+ posts includes the date and time it was made. Imagine a user from New York leaves a post on April 7th at 4:30 PM and that the web server hosting the site

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• Advice for Storing and Displaying Dates and Times Across Different Time Zones

  This ASP.NET tutorial discusses different techniques for storing dates and times in a web application and displaying them accurately across different time zones.

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• Nucleus Research Note: Oracle's Focus on Usability in Fusion Applications

  - by mvaughan

  By Misha Vaughan, Applications User Experience I recently noticed that Nucleus Research Inc. released a research note summarizing their findings on Oracle Fusion Applications. It's always nice when an outside firm is savvy enough to acknowledge the value of a user experience strategy. When it is applied to what Oracle has done with Fusion Applications,  it's even more satisfying.  In the note, Nucleus states: "Based on the demos and testimonials from early adopters Nucleus has reviewed, Oracle has clearly focused on usability with in-application analytics and other smart application features.  "In Oracle Fusion Applications, Oracle has built not just transactional corporate applications where users enter and extract data, but smarter applications that driver user productivity." Read it for yourself here. Read more about the story behind Oracle's Fusion Applications User Experience here.

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• Using Qt to open external game appplication

  - by RandomGuy

  I have a windows qt application and I'm trying to open an external game, but I'm not having success. Application is in C:\games\Oni\Edition\ and is called Oni.exe, the code I'm using right now is the follow: void MainWindow::on_toolButton_clicked() { qint64 test=1; if(!QProcess::startDetached("Oni.exe",QStringList(),"C:\\games\\Oni\\Edition\\",&test)){ QMessageBox msgBox; msgBox.setText("Oni couln't be started!"); msgBox.exec(); } } I don't know if I'm forgetting something? The game runs fine if I double click it. Thanks.

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• How to unicode Myanmar texts on Java? [closed]

  - by Spacez Ly Wang

  I'm just beginner of Java. I'm trying to unicode (display) correctly Myanmar texts on Java GUI ( Swing/Awt ). I have four TrueType fonts which support Myanmar unicode texts. There are Myanmar3, Padauk, Tharlon, Myanmar Text ( Window 8 built-in ). You may need the fonts before the code. Google the fonts, please. Each of the fonts display on Java GUI differently and incorrectly. Here is the code for GUI Label displaying myanmar texts: ++++++++++++++++++++++++ package javaapplication1; import javax.swing.JFrame; import javax.swing.JTextField; public class CusFrom { private static void createAndShowGUI() { JFrame frame = new JFrame("Hello World Swing"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); String s = "\u1015\u102F \u103C\u1015\u102F"; JLabel label = new JLabel(s); label.setFont(new java.awt.Font("Myanmar3", 0, 20));// font insert here, Myanmar Text, Padauk, Myanmar3, Tharlon frame.getContentPane().add(label); frame.pack(); frame.setVisible(true); } public static void main(String[] args) { javax.swing.SwingUtilities.invokeLater(new Runnable() { public void run() { createAndShowGUI(); } }); } } ++++++++++++++++++++++++ Outputs vary. See the pictures: Myanmar3 IMG Padauk IMG Tharlon IMG Myanmar Text IMG What is the correct form? (on notepad) Well, next is the code for GUI Textfield inputting Myanmar texts: ++++++++++++++++++++++++ package javaapplication1; import javax.swing.JFrame; import javax.swing.JTextField; public class XusForm { private static void createAndShowGUI() { JFrame frame = new JFrame("Frame Title"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); JTextField textfield = new JTextField(); textfield.setFont(new java.awt.Font("Myanmar3", 0, 20)); frame.getContentPane().add(textfield); frame.pack(); frame.setVisible(true); } public static void main(String[] args) { javax.swing.SwingUtilities.invokeLater(new Runnable() { public void run() { createAndShowGUI(); } }); } } ++++++++++++++++++++++++ Outputs vary when I input keys( unicode text ) on keyboards. Myanmar Text Output IMG Padauk Output IMG Myanmar3 Output IMG Tharlon Output IMG Those fonts work well on Linux when opening text files with Text Editor application. My Question is how to unicode Myanmar texts on Java GUI. Do I need additional codes left to display well? Or Does Java still have errors? The fonts display well on Web Application (HTML, CSS) but I'm not sure about displaying on Java Web Application.

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• Accessing Repositories from Domain

  - by Paul T Davies

  Say we have a task logging system, when a task is logged, the user specifies a category and the task defaults to a status of 'Outstanding'. Assume in this instance that Category and Status have to be implemented as entities. Normally I would do this: Application Layer: public class TaskService { //... public void Add(Guid categoryId, string description) { var category = _categoryRepository.GetById(categoryId); var status = _statusRepository.GetById(Constants.Status.OutstandingId); var task = Task.Create(category, status, description); _taskRepository.Save(task); } } Entity: public class Task { //... public static void Create(Category category, Status status, string description) { return new Task { Category = category, Status = status, Description = descrtiption }; } } I do it like this because I am consistently told that entities should not access the repositories, but it would make much more sense to me if I did this: Entity: public class Task { //... public static void Create(Category category, string description) { return new Task { Category = category, Status = _statusRepository.GetById(Constants.Status.OutstandingId), Description = descrtiption }; } } The status repository is dependecy injected anyway, so there is no real dependency, and this feels more to me thike it is the domain that is making thedecision that a task defaults to outstanding. The previous version feels like it is the application layeer making that decision. Any why are repository contracts often in the domain if this should not be a posibility? Here is a more extreme example, here the domain decides urgency: Entity: public class Task { //... public static void Create(Category category, string description) { var task = new Task { Category = category, Status = _statusRepository.GetById(Constants.Status.OutstandingId), Description = descrtiption }; if(someCondition) { if(someValue > anotherValue) { task.Urgency = _urgencyRepository.GetById (Constants.Urgency.UrgentId); } else { task.Urgency = _urgencyRepository.GetById (Constants.Urgency.SemiUrgentId); } } else { task.Urgency = _urgencyRepository.GetById (Constants.Urgency.NotId); } return task; } } There is no way you would want to pass in all possible versions of Urgency, and no way you would want to calculate this business logic in the application layer, so surely this would be the most appropriate way? So is this a valid reason to access repositories from the domain?

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• How can I open an .xps file in Evince?

  - by Jakob

  On projects.gnome.org I read that evince/Document Viewer supports xps-files. But when I try to open an xps-file I get the error message Unable to open documentFile type Zip archive (application/zip) is not supported Reading "the full list of supported document formats" on live.gnome.org I can't find xps there. Now I ask myself (and you): Isn't Document Viewer able to open xps-files, or is there something wrong with that xps-file I try to open? I specifically want to do this with Ubuntu 11.10 Oneiric. The PPA ppa:medigeek/evince-xps has no solution for 11.10, and the xpstopdf utility mixes up the letters from my xps file totally - the new pdf then isn't usable. I want to see a solution for Evince or Gnome in general, not get a recommendation for a KDE application like here.

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• Using Oracle BPM to Extend Oracle Applications

  - by Michelle Kimihira

  Author: Srikant Subramaniam, Senior Principal Product Manager, Oracle Fusion Middleware Customers often modify applications to meet their specific business needs - varying regulatory requirements, unique business processes, product mix transition, etc. Traditional implementation practices for such modifications are typically invasive in nature and introduce risk into projects, affect time-to-market and ease of use, and ultimately increase the costs of running and maintaining the applications. Another downside of these traditional implementation practices is that they literally cast the application in stone, making it difficult for end-users to tailor their individual work environments to meet specific needs, without getting IT involved. For many businesses, however, IT lacks the capacity to support such rapid business changes. As a result, adopting innovative solutions to change the economics of customization becomes an imperative rather than a choice. Let's look at a banking process in Siebel Financial Services and Oracle Policy Automation (OPA) using Oracle Business Process Management. This approach makes modifications simple, quick to implement and easy to maintain/upgrade. The process model is based on the Loan Origination Process Accelerator, i.e., a set of ready to deploy business solutions developed by Oracle using Business Process Management (BPM) 11g, containing customizable and extensible pre-built processes to fit specific customer requirements. This use case is a branch-based loan origination process. Origination includes a number of steps ranging from accepting a loan application, applicant identity and background verification (Know Your Customer), credit assessment, risk evaluation and the eventual disbursal of funds (or rejection of the application). We use BPM to model all of these individual tasks and integrate (via web services) with: Siebel Financial Services and (simulated) backend applications: FLEXCUBE for loan management, Background Verification and Credit Rating. The process flow starts in Siebel when a customer applies for loan, switches to OPA for eligibility verification and product recommendations, before handing it off to BPM for approvals. OPA Connector for Siebel simplifies integration with Siebel’s web services framework by saving directly into Siebel the results from the self-service interview. This combination of user input and product recommendation invokes the BPM process for loan origination. At the end of the approval process, we update Siebel and the financial app to complete the loop. We use BPM Process Spaces to display role-specific data via dashboards, including the ability to track the status of a given process (flow trace). Loan Underwriters have visibility into the product mix (loan categories), status of loan applications (count of approved/rejected/pending), volume and values of loans approved per processing center, processing times, requested vs. approved amount and other relevant business metrics. Summary Oracle recommends the use of Fusion Middleware as an extensions platform for applications. This approach makes modifications simple, quick to implement and easy to maintain/upgrade applications (by moving customizations away from applications to the process layer). It is also easier to manage processes that span multiple applications by using Oracle BPM. Additional Information Product Information on Oracle.com: Oracle Fusion Middleware Follow us on Twitter and Facebook Subscribe to our regular Fusion Middleware Newsletter

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• How to ensure apache2 reads htaccess for custom expiry?

  - by tzot

  I have a site with Apache 2.2.22 . I have enabled the mod-expires and mod-headers modules seemingly correctly: $ apachectl -t -D DUMP_MODULES … expires_module (shared) headers_module (shared) … Settings include: ExpiresActive On ExpiresDefault "access plus 10 minutes" ExpiresByType application/xml "access plus 1 minute" Checking the headers of requests, I see that max-age is set correctly both for the generic case and for xml files (which are auto-generated, but mostly static). I would like to have different expiries for xml files in a directory (e.g. /data), so http://site/data/sample.xml expires 24 hours later. I enter the following in data/.htaccess: ExpiresByType application/xml "access plus 24 hours" Header set Cache-control "max-age=86400, public" but it seems that apache ignores this. How can I ensure apache2 uses the .htaccess directives? I can provide further information if requested.

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• CodePlex Daily Summary for Monday, June 24, 2013

  CodePlex Daily Summary for Monday, June 24, 2013Popular ReleasesVG-Ripper & PG-Ripper: VG-Ripper 2.9.43: changes NEW: Added Support for "ImageJumbo.com" links NEW: Added Support for "ImgTiger.com" links NEW: Added Support for "ImageDax.net" links NEW: Added Support for "HosterBin.com" links FIXED: "ImgServe.net" linksWPF Composites: Version 4.3.0: In this Beta release, I broke my code out into two separate projects. There is a core FasterWPF.dll with the minimal required functionality. This can run with only the Aero.dll and the Rx .dll's. Then, I have a FasterWPFExtras .dll that requires and supports the Extended WPF Toolkit™ Community Edition V 1.9.0 (including Xceed DataGrid) and the Thriple .dll. This is for developers who want more . . . Finally, you may notice the other OPTIONAL .dll's available in the download such as the Dyn...Windows.Forms.Controls Revisited (SSTA.WinForms): SSTA.WinForms 1.0.0: Latest stable releaseAscend 3D: Ascend 2.0: Release notes: Implemented bone/armature animation Refactored class hierarchy and naming Addressed high CPU usage issue during animation Updated the Blender exporter and Ascend model format (now XML) Created AscendViewer, a tool for viewing Ascend modelsIndent Guides for Visual Studio: Indent Guides v13: ImportantThis release does not support Visual Studio 2010. The latest stable release for VS 2010 is v12.1. Version History Changed in v13 Added page width guide lines Added guide highlighting options Fixed guides appearing over collapsed blocks Fixed guides not appearing in newly opened files Fixed some potential crashes Fixed lines going through pragma statements Various updates for VS 2012 and VS 2013 Removed VS 2010 support Changed in v12.1: Fixed crash when unable to start...Fluent Ribbon Control Suite: Fluent Ribbon Control Suite 2.1.0 - Prerelease d: Fluent Ribbon Control Suite 2.1.0 - Prerelease d(supports .NET 3.5, 4.0 and 4.5) Includes: Fluent.dll (with .pdb and .xml) Showcase Application Samples (not for .NET 3.5) Foundation (Tabs, Groups, Contextual Tabs, Quick Access Toolbar, Backstage) Resizing (ribbon reducing & enlarging principles) Galleries (Gallery in ContextMenu, InRibbonGallery) MVVM (shows how to use this library with Model-View-ViewModel pattern) KeyTips ScreenTips Toolbars ColorGallery *Walkthrough (do...Magick.NET: Magick.NET 6.8.5.1001: Magick.NET compiled against ImageMagick 6.8.5.10. Breaking changes: - MagickNET.Initialize has been made obsolete because the ImageMagick files in the directory are no longer necessary. - MagickGeometry is no longer IDisposable. - Renamed dll's so they include the platform name. - Image profiles can now only be accessed and modified with ImageProfile classes. - Renamed DrawableBase to Drawable. - Removed Args part of PathArc/PathCurvetoArgs/PathQuadraticCurvetoArgs classes. The...Three-Dimensional Maneuver Gear for Minecraft: TDMG 1.1.0.0 for 1.5.2: CodePlex???(????????) ?????????(???1/4) ??????????? ?????????? ???????????(??????????) ??????????????????????? ↑????、?????????????????????(???????) ???、??????????、?????????????????????、????????1.5?????????? Shift+W(????)??????????????????10°、?10°(?????????)???Hyper-V Management Pack Extensions 2012: HyperVMPE2012 (v1.0.1.126): Hyper-V Management Pack Extensions 2012 Beta ReleaseOutlook 2013 Add-In: Email appointments: This new version includes the following changes: - Ability to drag emails to the calendar to create appointments. Will gather all the recipients from all the emails and create an appointment on the day you drop the emails, with the text and subject of the last selected email (if more than one selected). - Increased maximum of numbers to display appointments to 30. You will have to uninstall the previous version (add/remove programs) if you had installed it before. Before unzipping the file...Caliburn Micro: WPF, Silverlight, WP7 and WinRT/Metro made easy.: Caliburn.Micro v1.5.2: v1.5.2 - This is a service release. We've fixed a number of issues with Tasks and IoC. We've made some consistency improvements across platforms and fixed a number of minor bugs. See changes.txt for details. Packages Available on Nuget Caliburn.Micro – The full framework compiled into an assembly. Caliburn.Micro.Start - Includes Caliburn.Micro plus a starting bootstrapper, view model and view. Caliburn.Micro.Container – The Caliburn.Micro inversion of control container (IoC); source code...SQL Compact Query Analyzer: 1.0.1.1511: Beta build of SQL Compact Query Analyzer Bug fixes: - Resolved issue where the application crashes when loading a database that contains tables without a primary key Features: - Displays database information (database version, filename, size, creation date) - Displays schema summary (number of tables, columns, primary keys, identity fields, nullable fields) - Displays the information schema views - Displays column information (database type, clr type, max length, allows null, etc) - Support...CODE Framework: 4.0.30618.0: See change notes in the documentation section for details on what's new. Note: If you download the class reference help file with, you have to right-click the file, pick "Properties", and then unblock the file, as many browsers flag the file as blocked during download (for security reasons) and thus hides all content.Toolbox for Dynamics CRM 2011: XrmToolBox (v1.2013.6.18): XrmToolbox improvement Use new connection controls (use of Microsoft.Xrm.Client.dll) New display capabilities for tools (size, image and colors) Added prerequisites check Added Most Used Tools feature Tools improvementNew toolSolution Transfer Tool (v1.0.0.0) developed by DamSim Updated toolView Layout Replicator (v1.2013.6.17) Double click on source view to display its layoutXml All tools list Access Checker (v1.2013.6.17) Attribute Bulk Updater (v1.2013.6.18) FetchXml Tester (v1.2013.6.1...Media Companion: Media Companion MC3.570b: New* Movie - using XBMC TMDB - now renames movies if option selected. * Movie - using Xbmc Tmdb - Actor images saved from TMDb if option selected. Fixed* Movie - Checks for poster.jpg against missing poster filter * Movie - Fixed continual scraping of vob movie file (not DVD structure) * Both - Correctly display audio channels * Both - Correctly populate audio info in nfo's if multiple audio tracks. * Both - added icons and checked for DTS ES and Dolby TrueHD audio tracks. * Both - Stream d...Document.Editor: 2013.24: What's new for Document.Editor 2013.24: Improved Video Editing support Improved Link Editing support Minor Bug Fix's, improvements and speed upsExtJS based ASP.NET Controls: FineUI v3.3.0: ??FineUI ?? ExtJS ??? ASP.NET ???。 FineUI??? ?? No JavaScript，No CSS，No UpdatePanel，No ViewState，No WebServices ???????。 ?????? IE 7.0、Firefox 3.6、Chrome 3.0、Opera 10.5、Safari 3.0+ ???? Apache License v2.0 ?：ExtJS ?? GPL v3 ?????(http://www.sencha.com/license)。 ???? ??：http://fineui.com/bbs/ ??：http://fineui.com/demo/ ??：http://fineui.com/doc/ ??：http://fineui.codeplex.com/ FineUI???? ExtJS ?????????，???? ExtJS ?。 ????? FineUI ? ExtJS ?：http://fineui.com/bbs/forum.php?mod=viewthrea...BarbaTunnel: BarbaTunnel 8.0: Check Version History for more information about this release.ExpressProfiler: ExpressProfiler v1.5: [+] added Start time, End time event columns [+] added SP:StmtStarting, SP:StmtCompleted events [*] fixed bug with Audit:Logout eventpatterns & practices: Data Access Guidance: Data Access Guidance Drop4 2013.06.17: Drop 4New ProjectsActivity Injector: Activity Injector is mainly used in unit testing workflow activities.Application Starter Tremens: Application for starting ApplicationaAudiwikiREF: This project is created to finish my referral assignment because i faced many problems with the previous one where i couldn't connect the project and commit. AVTS GLUCK ANTIVIRUS SYSTEM: AVTS Gluck AntiVirus System - the best antivirus made by young developers from Ukraine. It was writed in C#, C++, VB.NET, Excutable files, PHP DS, .and more....Base64 File Converter: File converting tool that converts any file into Base64 TXT file and vice versa just by drag-and-drop gesture.Basket Builders Umbraco bootstrap packages: Our umbraco packages to speed up project Bugzy Bug Tracking and Work Management: Creating Bug Tracking and Work Managment system while helping the JSON-RPC standard become as strong as the Bloated XML-RPC(SOAP)Dalmatian Build Script: Dalmatian allows you to automate your build using C# of VB.NETDécouverte Majeure MISN Chrono-courses: Chronocourses projectDocToolTip Library: DocToolTip library allows creating screenshots of winform forms with the name and type of component controls.DotaPick: SummaryHiUpdateTools - easy publish and update your app: HiUpdateTools is a easy tools to use publish new version of your application Kinect Skeleton Recorder: Records and shows XBox 360 Kinect skeleton data using windows forms. Saves the data as XML that can be read by other applications for use in animation.MARIT (BETA): MARIT is a simple drawing app for Android. More features are on the todo-list so stay tuned! Feedback and requests are appreciated. MvcToolbox: MVC Toolbox is a library which contains lots of usefull methods which will help developer to write less code and to be more productive.PrototypeRef: list of testing toolsSmartPlay: SmartPlaySolid Geometry Simulation: Implements a simple fur/hair dynamic engine using physBAM. This package includes a semi-implicit solver for hair simulation and plugins for maya/houdini.Windows.Forms.Controls Revisited (SSTA.WinForms): SearchableListBox control built on the Window,Form.ListBox renders a list box items with multiple search terms highlighted.YiLeSystem: This is a dining system.

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• Announcing the New Virtual Briefing Center

  - by Theresa Hickman

  Do you want to hear about real-world customer success stories? Or listen to Oracle Application leaders discuss the value in the latest releases of Oracle Application products? Do you want one place to download up-to-date content, including white papers, podcasts, webcasts and presentations? Did you miss the Virtual Trade Show at the beginning of 2011? If you answered yes to any of these questions, then the Virtual Briefing Center is the place to get up-to-date Oracle product information for Oracle E-Business Suite, PeopleSoft, JD Edwards, Fusion, Siebel and Hyperion across multiple product areas from financials, procurement, supply chain, CRM, Performance Management, and more. Every month we will have "Monthly Spotlights" to showcase new content. The following lists the upcoming live webcasts in July 2011: Weds. July 6, 2011 at 9:00 a.m. PST/12:00 p.m. EST: Hear about Amway’s upgrade to Oracle E-Business Suite 12.1 and how they stabilized financial modules, especially the month-end close processes. Thurs. July 14, 2011 at 9:00 a.m. PST/12:00 p.m. EST: Hear West Corporation share their PeopleSoft 9.1 upgrade, resulting in improved self-service, more robust reporting capabilities and new workflow and processes. Thurs. July 21, 2011 at 9:00 a.m. PST/12:00 p.m. EST: Learn how MFlex improved their operations, saved manpower and reduced time to close with their upgrade to JD Edwards EnterpriseOne 9.0. Thurs. July 28, 2011 at 9:00 a.m. PST/12:00 p.m. EST: IEEE discusses their upgrade to Siebel 8.1 using open web service architecture for faster SOA enablement allowing them to scale their membership capacity by 250%. If you cannot attend any of the above live events, that's OK because each of the webcasts in this series will be recorded and available on demand. And for you Financials folks who may have missed the webcasts from the Virtual Trade Show earlier this year, you can view them on demand by Visiting the Resource Library: Planning Your Successful Upgrade to Oracle E-Business Suite Financials 12.1. In this session, Bryant and Stratton College talk about their upgrade. Planning Your Successful Upgrade to PeopleSoft Financials 9.1. In this session, the University of Central Florida share their upgrade story. Fusion Financials: The New Standard for Finance. In this session, Terrance Wampler, the VP of Financial Application Strategy discusses the business value of Oracle's next generation financial applications and how customers can take advantage of Fusion Financials alongside their existing investments. What are you waiting for? Register now!

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• "Developer Nation", Oracle Magazine, May/June 2008, Cover Feature

  The choice of architecture, standards, and tools unites the Oracle enterprise application developer community.

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• How can I remove gradients from Elementary theme?

  - by John

  I really don't like the gradients in the Elementary theme and I was wondering if there is a way to remove them from applications like Nautilus-Elementary, Postler, Dexter, etc. I've tried commenting out the Apps/[Application].rc in /usr/share/themes/elementary/gtk-2.0/gtkrc but it doesn't work. It still leaves the gradients in their place. I'm a big fan of the other controls in the theme: the scroll bar, the way it borders gedit and the buttons, and I'd like to keep these features, but I don't like the way it styles its windows. EDIT: The gradients I'm talking about are the ones at the top of the window. Some examples: Nautilus-Elementary: Postler: Rhythmbbox: Transmission: I'd like to create a sort of matte look, similar to this, which was done using Orta: Nautilus-Elementary: Postler: Rhythmbox: Transmission: I'd like a flat color, preferably without the line separating the top part of the application with the bottom.

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• Installing, Configuring, and Testing WebLogic Server 12c Developer Zip Distribution in NetBeans

  - by JuergenKress

  This tutorial covers how to install Oracle WebLogic Server 12c (12.1.1) developer zip file distribution on Windows and configure it as a Java EE Application Server in NetBeans. Also covers how to test the WebLogic Server installation by deploying a Web application based on JSF and JPA entities. WebLogic Partner Community For regular information become a member in the WebLogic Partner Community please visit: http://www.oracle.com/partners/goto/wls-emea ( OPN account required). If you need support with your account please contact the Oracle Partner Business Center. BlogTwitterLinkedInMixForumWiki Technorati Tags: WebLogic installation,Netbeans,Developer zip,WebLogic Community,Oracle,OPN,Jürgen Kress

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• Calling PowerShell from .NET

  I have been working with Windows Server AppFabric caching lately and have found it to be very impressive.  The more that I work with it the more that I can see areas that it can be utilized.  One of the things that will become quite evident as you start using it is that much of the setup and configuration is done through PowerShell cmdlets. I am in the process of putting together an application and I want the application to be able to create and pre-populate the cache.  As I looked...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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• Spring MVC vs raw servlets and template engine?

  - by Gigatron

  I've read numerous articles about the Spring MVC framework, and I still can't see the benefits of using it. It looks like writing even a simple application with it requires creating a big hodgepodge of XML files and annotations and other reams of code to conform to what the framework wants, a whole bunch of moving parts to accomplish a simple single task. Any time I look at a Spring example, I can see how I can write something with the same functionality using a simple servlet and template engine (e.g. FreeMarker, StringTemplate), in half the lines of code and little or no XML files and other artifacts. Just grab the data from the session and request, call the application domain objects if necessary, pass the results to the template engine to generate the resulting web page, done. What am I missing? Can you describe even one example of something that is actually made simpler with Spring than using a combination of raw servlets with a template engine? Or is Spring MVC just one of those overly complicated things that people use only because their boss tells them to use it?

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• Unit testing time-bound code

  - by maasg

  I'm currently working on an application that does a lot of time-bound operations. That is, based on long now = System.currentTimeMillis();, and combined with an scheduler, it will calculate periods of time that parametrize the execution of some operations. e.g.: public void execute(...) { // executed by an scheduler each x minutes final int now = (int) TimeUnit.MILLISECONDS.toSeconds(System.currentTimeMillis()); final int alignedTime = now - now % getFrequency() ; final int startTime = alignedTime - 2 * getFrequency(); final int endTimeSecs = alignedTime - getFrequency(); uploadData(target, startTime, endTimeSecs); } Most parts of the application are unit-tested independently of time (in this case, uploadData has a natural unit test), but I was wondering about best practices for testing time-bound parts that rely on System.currentTimeMillis() ?

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• Removing hard-coded values and defensive design vs YAGNI

  - by Ben Scott

  First a bit of background. I'm coding a lookup from Age - Rate. There are 7 age brackets so the lookup table is 3 columns (From|To|Rate) with 7 rows. The values rarely change - they are legislated rates (first and third columns) that have stayed the same for 3 years. I figured that the easiest way to store this table without hard-coding it is in the database in a global configuration table, as a single text value containing a CSV (so "65,69,0.05,70,74,0.06" is how the 65-69 and 70-74 tiers would be stored). Relatively easy to parse then use. Then I realised that to implement this I would have to create a new table, a repository to wrap around it, data layer tests for the repo, unit tests around the code that unflattens the CSV into the table, and tests around the lookup itself. The only benefit of all this work is avoiding hard-coding the lookup table. When talking to the users (who currently use the lookup table directly - by looking at a hard copy) the opinion is pretty much that "the rates never change." Obviously that isn't actually correct - the rates were only created three years ago and in the past things that "never change" have had a habit of changing - so for me to defensively program this I definitely shouldn't store the lookup table in the application. Except when I think YAGNI. The feature I am implementing doesn't specify that the rates will change. If the rates do change, they will still change so rarely that maintenance isn't even a consideration, and the feature isn't actually critical enough that anything would be affected if there was a delay between the rate change and the updated application. I've pretty much decided that nothing of value will be lost if I hard-code the lookup, and I'm not too concerned about my approach to this particular feature. My question is, as a professional have I properly justified that decision? Hard-coding values is bad design, but going to the trouble of removing the values from the application seems to violate the YAGNI principle. EDIT To clarify the question, I'm not concerned about the actual implementation. I'm concerned that I can either do a quick, bad thing, and justify it by saying YAGNI, or I can take a more defensive, high-effort approach, that even in the best case ultimately has low benefits. As a professional programmer does my decision to implement a design that I know is flawed simply come down to a cost/benefit analysis?

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• CodePlex Daily Summary for Wednesday, October 09, 2013

  CodePlex Daily Summary for Wednesday, October 09, 2013Popular ReleasesxFunc: xFunc 2.7.3: Fixed memory leak. Small fixes.SmartStore.NET - Free ASP.NET MVC Ecommerce Shopping Cart Solution: SmartStore.NET 1.2.0: HighlightsMulti-store support "Trusted Shops" plugins Highly improved SmartStore.biz Importer plugin Add custom HTML content to pages Performance optimization New FeaturesMulti-store-support: now multiple stores can be managed within a single application instance (e.g. for building different catalogs, brands, landing pages etc.) Added 3 new Trusted Shops plugins: Seal, Buyer Protection, Store Reviews Added Display as HTML Widget to CMS Topics (store owner now can add arbitrary HT...Wrangle for Windows: Wrangle Beta 0.1.0.6: + Various Bugs Fixes + Notification are now available + Many small features added - Does not contain user profiles yet - Conclusions not available yetAD ACL Scanner: 1.3: New features:Effective rights, select a security principal and match it agains the permissions in AD. Color coded permissions based on criticality when using effective rights scan. Search levels : Base, One Level, Subtree. List you domains and select one from the list. Get the size of the security descriptor (bytes). Rerporting on disabled inheritance . Better search functianlity; you can use wildcards on Trustee. Get all inherited permissions in report.MoreTerra (Terraria World Viewer): MoreTerra 1.11.2: Release 1.11.2 Full 1.2 Support =========== =Bug Fixes= =========== We have all markers solsund made sure the tile and background colors are correct. (map looks correct with no missing pink) Added better error tracking for those having trouble.Fast YouTube Downloader: Youtube Downloader 2.1: Youtube Downloader 2.1MSCRM ToolKit: MSCRMToolKit 0.5.5: Increased MaxStringContextLength property in the Reference Data Transporter in response of the Issue: https://mscrmtoolkit.codeplex.com/workitem/1520NuGet: NuGet 2.7.1: Released October 07, 2013. Release notes: http://docs.nuget.org/docs/release-notes/nuget-2.7.1 Important note: After downloading the signed build of NuGet.exe, if you perform an update using the "nuget.exe update -self" command, it will revert back to the unsigned build.Mugen MVVM Toolkit: Mugen MVVM Toolkit 2.0: IntroductionMugen MVVM Toolkit makes it easier to develop Silverlight, WPF, WinRT and WP applications using the Model-View-ViewModel design pattern. The purpose of the toolkit is to provide a simple framework and set of tools for getting up to speed quickly with applications based on the MVVM design pattern. The core of Toolkit contains a navigation system, windows management system, models, validation, etc. Mugen MVVM Toolkit contains all the MVVM classes such as ViewModelBase, RelayCommand,...Office Ribbon Project (under active development): Ribbon (07. Oct. 2013): Fixed Scrollbar Bug if DropDown Button is bigger than screen Added Office 2013 Theme Fixed closing the Ribbon caused a null reference exception in the RibbonButton.Dispose if the DropDown was not created yet Fixed Memory leak fix (unhooked events after Dispose) Fixed ToolStrip Selected Text 2013 and 2007 for Blue and Standard themesGhostscript.NET: Ghostscript.NET v.1.1.0.: v.1.1.0. added GhostscriptViewer state handling (SaveState, RestoreState) GhostscriptRasterizer constructor is extended in order to support usage of the existing GhostscriptViewer instance. fixed problem while using a 32-bit assembly with 32-bit version of Ghostscript on 64-bit Windows: It couldn't find a registry key of installed Ghostscript. Reported and fixed by "r0land". v.1.0.9. implemented EPS (Encapsulated PostScript) support for the GhostscriptViewer. added GhostscriptRasterize...Ghostscript Studio: Ghostscript.Studio v.1.0.2: Ghostscript Studio is easy to use Ghostscript IDE, a tool that facilitates the use of the Ghostscript interpreter by providing you with a graphical interface for postscript editing and file conversions. Ghostscript Studio allows you to preview postscript files, edit the code and execute them in order to convert PDF documents and other formats. The program allows you to convert between PDF, Postscript, EPS, TIFF, JPG and PNG by using the Ghostscript.NET Processor. v.1.0.2. added custom -c s...cmdradio: v0.1.1 binary: Default download in win32. For other OS see here. This is alpha version. Please report all bugs.Squiggle - A free open source LAN Messenger: Squiggle 3.3 Alpha: Allow using environment variables in configuration file (history db connection string, download folder location, display name, group and message) Fix for history viewer to show the correct history entries History saved with UTC timestamp This is alpha release and not recommended for use in productionMedia Companion: Media Companion MC3.579b: Fixed IMDB actor scraping for Movies and TV. Note: there are a couple of new functions that are not active, as this release needed to be done due to IMDB change. New* TV - context menu for rescrapeing Poster image/Banner image Fixed* Both - Fixed actor scraping from IMDB * Movie - Fixed Tableview if Movie's movieset was not in MC's list of moviesets * Movie - Rename with mediainfo now lowercase. * Both - added ignore "A " in titles. Separate option in General Preferences. * Tv - Changing ...VidCoder: 1.5.7 Beta: Updated HandBrake core to SVN 4819. About dialog now pulls down HandBrake version from the DLL. Added a confirmation dialog to Stop if the encode has been going on for more than 5 minutes. Fixed handling of unicode characters for input and output filenames. We now encode to UTF-8 before passing to HandBrake. Fixed a crash in the queue multiple titles dialog. Added code to rescue tool windows which get placed outside of the visible screen area.Wsus Package Publisher: Release v1.3.1310.05: Enhance the "Reboot Remote Computers", by adding a timer before the reboot occure. So that remote users can save their documents and close applications. You can also add a message to be display. In 'Tools'->'Settings'-> Misc Tab, you can set a default message. Enhance the "Compare Computers against AD", by choosing OUs to include in the comparison.Pulse: Pulse 0.6.7.3: Pulse is now accepting donations. To donate by Bitcoin or PayPal see https://pulse.codeplex.com/wikipage?title=Donations Lots of updates in v0.6.7.3: (Feature) New option allows you to disable wallpaper changing when a full screen application is running. This way Pulse doesn't slow down/lag your videos and games :) (Fix) Some users were getting Wallbase errors when logging in. This has been fixed. (Feature) Right click a provider and you can now make a copy of it by selecting the "Dupl...VG-Ripper & PG-Ripper: PG-Ripper 1.4.19: NEW: Added Option to login as Guest NEW: Added Menu Option to delete an Forum Account NEW: Added Support for "ImageTeam.org links FIXED: Fixed Ripping of http://forum.babeunion.com ForumsSimpleExcelReportMaker: Serm 0.03: SourceCode and Sample .Net Framework 3.5 AnyCPU compile.New ProjectsA library of helpers to augment InfoPath code behind development.: A library providing useful helpers to augment and speed up deveopment of complex InfoPath forms requiring code behind.A Simple Online Document Management System Using Asp.net MVC 3: A system to manage documents on-line.ASP.NET Testing: ASP.NET testingAutoSPUpdater: Automated Updating for SharePoint Server 2010/2013Currency Calculator for Microsoft Dynamics AX: The Currency calculator is a tool for calculating amounts between currencies which uses the rates as setup in the Exchange rates of Microsoft Dynamics AX.Daystate Configuration Manager: To be filled later.Djikstra's Algorithm SGGW: It's university student project presenting Djikstra algorithm usage in finding the shortest path between two points in single graph.eCommMongo: eCommMongoFast YouTube Downloader: Fast Youtube Downloader downloads video from YouTube. You could choose different video formats and qualities, and download multiple videos at the same time.FirebirdWars: Firebird Wars online strategy game.FlowSimulation: ???????????? ????????????? ???????????? ?????????Guild Wars 2 VALORUS Command and Control System: The VALORUS Command and Control System is a tool to help track and manage large numbers of people on Guild Wars 2. Useful for WvW and Guild Missions.IntelliCommand: Visual Studio Extension. Helps to remember shortcut keys. This extension is supported for Visual Studio 2010/2012/2013... Professional and higher.myonlyle: gaoOnline War Game: aOracle Portal to SharePoint Migration Scripts: These scripts will assit you in moving from Oracle Portal 10g to SharePoint!OrderingPlatform: OrderingPlatform ?? ??PSEncrypt: Powershell cmdlets to do common encryption\decryption stuffReorderListBox: ReorderListBox is an enhancement to the standard ListBox control for Windows Phone apps that allows users to drag-and-drop list items to reorder the list.SampleTileAnimation: The Windows store application targets to create a Image to appear as a tile and Animate it using StoryBoard feature using C# /Xaml code. SharePoint Friends: Open source SharePoint app library projectSharing memory between user and kernel mode processes- WinCE 6/WEC7/2013: This is a sample driver that explain how to share a block of memory between Kernel mode driver and user mode application in Windows CE 6.0/ WEC7 and WEC2013.SharpHadoop: SharpHadoop facilitates access to WebHDFS from .Net. The library can easily be dependencies and solely relies on the .net standard library Features: 1) UploaSSRS Admin Tasks: Admin GUI Tool for SQL Server Reporting ServicesTimeWatcher: TimeWatcher is an application allowing you keep track of the time passed on tasks, even across multiple working sessions. A good tool for developers who need toTinyMIS: TinyMistmask: tmaskVitaliyPianykhStuff: Here I'll publish handy code snippets.World Simulator: Will the universe expand or will it collapse? Hundreds of experts are about to discuss this question and this program was designed to give an answer... :-)WSccTravel: This is the project created during class WScc 2013

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• Cool Cleaner for Android Makes Cache and History Wiping a Snap

  - by Jason Fitzpatrick

  Cool Cleaner for Android is a free application that consolidates the process of clearing the varies caches and histories on your Android dead-simple wiping. If you frequently clear the cache and history files for applications on your phone, Cool Cleaner will save you a ton of time. Rather than navigating to various applications and sub-menus to clear out the cache and the history, Cool Cleaner acts as a dashboard for all your apps. From the History and Cache tabs in the app you can wipe everything from your outgoing call log to your Market search history and more. If the app has a history file or cache you can wipe it from Cool Cleaner–including non-stock apps like Facebook, TweetDeck, game apps, etc. Cool Cleaner is a free ad-supported application. Hit up the link below to read more and grab a copy. Cool Cleaner [Android Market via Addictive Tips] How To Make a Youtube Video Into an Animated GIFHTG Explains: What Are Character Encodings and How Do They Differ?How To Make Disposable Sleeves for Your In-Ear Monitors

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• When is an object oriented program truly object oriented?

  - by Syed Aslam

  Let me try to explain what I mean: Say, I present a list of objects and I need to get back a selected object by a user. The following are the classes I can think of right now: ListViewer Item App [Calling class] In case of a GUI application, usually click on a particular item is selection of the item and in case of a command line, some input, say an integer representing that item. Let us go with command line application here. A function lists all the items and waits for the choice of object, an integer. So here, I get the choice, is choice going to conceived as an object? And based on the choice, return back the object in the list. Does writing this program like the way explained above make it truly object oriented? If yes, how? If not, why? Or is the question itself wrong and I shouldn't be thinking along those lines?

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• How to choose the right web development language for my app without much programming experience?

  - by twinbornJoint

  I have my own idea for a web application, and I am not a programmer. The application will work similar to Facebook and Twitter, profiles and feeds. I have learned some computer science theory, all the way up to OOP, but have no practical experience. Without any experience, is there a way I can evaluate the different language and platform choices available to me? What kind of things should I be looking at? Ease of setup? How many followers it has? How can I evaluate whether a language will have the capabilities I need?

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• Oracle BPM: Adding an attachment during the Human Task Initialization

  - by kyap

  Recently I had the requirement from a customer to instantiate a Human Task, which can accept a payload containing a binary attribute (base64) representing an actual document. According to the same requirement, this attribute should be shown as a hyperlink in the Worklist UI to the assignee(s), from which the assignees can download the document on the local machine for review. Multiple options have been leverage, but most required heavy customization.  In order to leverage as much as possible Oracle BPM out-of-the box functionalities, I decided to add this document as a readonly attachment. We can easily achieve this operation within Worklist Application, but it is a bit more challenging when we want to attach the document during the Human Task initialization.  After some investigations (on BPM 11g PS4FP and PS5), here's the way to go: 1. Create an asynchronous BPM process, and use this xsd to create 2 Business Objects FullPayload and PartialPayload : 2. Create 2 process variables 'vFullPayload' and 'vPartialPayload' using this Business Objects created above 3. Implement the Start Event with the initial Data Association, with an input argument using 'FullPayload' Business Object type 4. Drag in an User Task into the process. Implement the User Task as usual by using 'vPartialPayload' type as the input type and assign the task to your favorite tester (mine is jcooper) 5. Here's the main course - Start the Data Association and map the payload into 'execData' as follow: FROM TO  vFullPayload.attachment.mimetype  execData.attachment[1].mimeType  vFullPayload.attachment.filename  execData.attachment[1].name  bpmn:getDataObject('vFullPayload')/ns:attachment/ns:content  execData.attachment[1].content  'BPM'  execData.attachment[1].attachmentScope false()  execData.attachment[1].doesBelongToParent 'weblogic'  execData.attachment[1].updateBy  xp20:current-dateTime()  execData.attachment[1].updateDate (Note: Check the <Humantask>WorkflowTask.xsd file in your project xsd folder to discover the different options for attachmentScope & storageType) 6. Your process is completed. Just build a standard ADF UI and deploy the process/UI onto your BPM Server for the testing. Here's an example, with a base64 encoded pdf file: application-pdf.txt 7. Finally, go to the BPM Worklist application to check the result ! Please note that Oracle BPM, by default, limits the attachment document size to 2Mb. If you are planning to have bigger attachments in your process, it is recommended to store your documents in a Content Management server (such as Oracle UCM) and pass the reference instead. It is possible to configure Oracle BPM to store attachment directly into Oracle UCM too, and I believe we can use the storageType, ucmMetadataItem attributes for this purpose.... I will confirm once I have access onto an Oracle UCM for the testing :)

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• Unidata and RDB migrations to Oracle

  - by llaszews

  Have a couple of unique migrations that don't come along to often. They are Unidata and RDB migrations. The top three things that make these migration more challenging are: 1. No automated data migration tools - Because these migration don't happen that often, there are no tools in the market place to automated the data migration. 2. Application is tied to database - The application needs to be re-architected/re-engineered. Unidata Basic and COBOL for RDB. TSRI can migrate Basic to Java and PL/SQL. Transoft can migrate DEC COBOL to Java. 3. New client hardware potentially involved - Many Unidata and RDB based systems use 'green screens' as the front end. These are character based screens that will run on very old dumb terminals such as: Wyse and DEC 5250 terminals. The user interface can be replicated in a web browser but many times these old terminals do not support web browsers.

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