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• What is the best way to start building a Web 2.0 / Start up?

  - by spyhunterx

  I'm planning on developing my own web 2.0 application from scratch, using Yii Framework, JQuery, and HTML5 Boilerplate or Boots Strap. But I have huge dilemma. To begin this web 2.0, where is it best to start ? I've already completed flowcharts, diagrams and descriptions sheets for my project; However, i'm stuck programming and design wise. Should I start with the CSS of the the website, Photoshop, or functionality ( Php ) ? Where should I start ? I would really love this start up to be a success. I will greatly appreciate some responses.

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• How to completely remove MySQL from a windows 7 machine

  - by Jazibobs

  I'm new to MySQL struggling to find a version and workbench which works stably on my 64 bit windows 7 machine. I've decided to attempt to completely remove MySQL from my machine and to restart the installation process from scratch. However, after uninstalling all software linked with MySQL using conventional control panel uninstalling means some MySQL windows services still remain on my machine. I can't see any obvious method to remove these and they have since been causing me difficulties when trying to install different versions of MySQL. Could anyone please advise?

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• Is drupal cms suitable for this?

  - by Folle

  My aim is to create a website where I can add some test content along with pictures. Then, what exactly I need is an easy way to add those into the site. Say, I have designed (in photoshop) a certain theme for this purpose, and now I am wondering if I could use drupal for the matter? Or should I create a website from scratch? Which route is the easiest? Apply the theme to the drupal? I've just never used no CMS, that's why I ask.

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• Javascript, jQuery - how signed actions to just created object?

  - by sebap123

  I am trying to make simple list with ability to add and delete elements. For now I am working on adding and performing a simple action on each of list elements object (existing and added). Unfortunately I have met some difficulties with that. I am able to modify objects that are created at the beginning, but not one added during "webpage working". First of all my idea was to add AJAX to this, but I don't think it is the easiest way. I think that some time ago (I don't remember where) I read how to make this work, but now I don't know. I would be really glad if someone would help me with this or at least give a link to good explanation of this. There is what I have done so far (well this is mostly just a scratch, but the main idea is in it): http://jsfiddle.net/sebap123/pAZ7H/ Thank you for all responses.

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• Cant handle it (jQuery hanlder understanding needed)

  - by chainwork

  I'm embarrassed to even ask BUT could someone help me understand what a "handler" is. I am new to jQuery and the API constantly has references similar to the following: toggle( handler(eventObject), handler(eventObject), [ handler(eventObject) ] ) I scratch my head and say to myself "what the hell is a handler". Then I check my 2 jquery books and don't really see anything specific there. I get what an event handler does, it handles an event. But the word handler in the above context confuses me including "eventObject". I tried to google it but could not really find a really clear definition of what exactly a handler is as it relates to jquery. Thanks for your help =]

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• JavaScript Data Binding Frameworks

  - by dwahlin

  Data binding is where it’s at now days when it comes to building client-centric Web applications. Developers experienced with desktop frameworks like WPF or web frameworks like ASP.NET, Silverlight, or others are used to being able to take model objects containing data and bind them to UI controls quickly and easily. When moving to client-side Web development the data binding story hasn’t been great since neither HTML nor JavaScript natively support data binding. This means that you have to write code to place data in a control and write code to extract it. Although it’s certainly feasible to do it from scratch (many of us have done it this way for years), it’s definitely tedious and not exactly the best solution when it comes to maintenance and re-use. Over the last few years several different script libraries have been released to simply the process of binding data to HTML controls. In fact, the subject of data binding is becoming so popular that it seems like a new script library is being released nearly every week. Many of the libraries provide MVC/MVVM pattern support in client-side JavaScript apps and some even integrate directly with server frameworks like Node.js. Here’s a quick list of a few of the available libraries that support data binding (if you like any others please add a comment and I’ll try to keep the list updated): AngularJS MVC framework for data binding (although closely follows the MVVM pattern). Backbone.js MVC framework with support for models, key/value binding, custom events, and more. Derby Provides a real-time environment that runs in the browser an in Node.js. The library supports data binding and templates. Ember Provides support for templates that automatically update as data changes. JsViews Data binding framework that provides “interactive data-driven views built on top of JsRender templates”. jQXB Expression Binder Lightweight jQuery plugin that supports bi-directional data binding support. KnockoutJS MVVM framework with robust support for data binding. For an excellent look at using KnockoutJS check out John Papa’s course on Pluralsight. Meteor End to end framework that uses Node.js on the server and provides support for data binding on  the client. Simpli5 JavaScript framework that provides support for two-way data binding. WinRT with HTML5/JavaScript If you’re building Windows 8 applications using HTML5 and JavaScript there’s built-in support for data binding in the WinJS library.   I won’t have time to write about each of these frameworks, but in the next post I’m going to talk about my (current) favorite when it comes to client-side JavaScript data binding libraries which is AngularJS. AngularJS provides an extremely clean way – in my opinion - to extend HTML syntax to support data binding while keeping model objects (the objects that hold the data) free from custom framework method calls or other weirdness. While I’m writing up the next post, feel free to visit the AngularJS developer guide if you’d like additional details about the API and want to get started using it.

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• Oracle SQL Developer is for Oracle Database

  - by thatjeffsmith

  What is Oracle SQL Developer? Well, according to this document on OTN… What is SQL Developer? Date: May 2014 Oracle SQL Developer is the Oracle Database IDE. A free graphical user interface, Oracle SQL Developer allows database users and administrators to do their database tasks in fewer clicks and keystrokes. A productivity tool, SQL Developer’s main objective is to help the end user save time and maximize the return on investment in the Oracle Database technology stack. Ok, sounds pretty straightforward. Where does the confusion lie then? Some People Use SQL Developer to Connect to 3rd Party Databases SQL Developer allows you to register 3rd party database JDBC drivers. The 3rd party being a company OTHER than Oracle that makes a database product. You know who they are (SAP, MSFT, IBM, etc.) Registering 3rd party JDBC drivers in SQL Developer But maybe you don’t understand why we support these types of connections? It’s for one driving reason. To Help You Migrate to Oracle Database Yes, you get a worksheet and a tree to query and browse those systems. But, the real meat and bones there are around our migration projects and our translation scratch editor. At the end of the day, it’s there so you can move your data from say Sybase ASE to Oracle Database. On a side note, the migration technology was previously available in a separate application, the Migration Workbench. The technology and the awesome people behind it were folded into SQL Developer. So when asked what SQL Developer is, I say it’s the Database IDE and the official 3rd party database migration to Oracle platform. So anyways, when you ask for better support for another 3rd party provider, we deliver that support based on that business driver. If another 3rd party database jdbc driver is introduced, it’s because we have a lot of customers migrating from that platform. We’re not adding it to make it easier for you to work with SQL Server on your Mac. But, if you find that useful – that is cool. It’s just not why we’ve got the support for SQL Server connections in SQL Developer.

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• Kernel Error during upgrade or update commands

  - by Ashesh

  I am getting these errors during sudo apt-get update and upgrade... I tried all possible options no success. I recently upgraded to 13.04 and had problems with Broadcom WiFi. Fixed tat issues using the clean script... but looks like it did not install the Kernel properly.. Here is the o/p of the few scripts I ran: ashesh@ashesh-HPdv4:~$ sudo dpkg -r bcmwl-kernel-source (Reading database ... 175338 files and directories currently installed.) Removing bcmwl-kernel-source ... Removing all DKMS Modules Done. update-initramfs: deferring update (trigger activated) Processing triggers for initramfs-tools ... update-initramfs: Generating /boot/initrd.img-3.8.0-25-generic cp: reading ‘/lib/modules/3.8.0-25-generic/kernel/drivers/mtd/mtd.ko’: Input/output error cp: failed to extend ‘/tmp/mkinitramfs_8gjKwQ//lib/modules/3.8.0-25-generic/kernel/drivers/mtd/mtd.ko’: Input/output error cp: reading ‘/lib/modules/3.8.0-25-generic/kernel/drivers/net/ethernet/sfc/sfc.ko’: Input/output error cp: failed to extend ‘/tmp/mkinitramfs_8gjKwQ//lib/modules/3.8.0-25-generic/kernel/drivers/net/ethernet/sfc/sfc.ko’: Input/output error cp: reading ‘/lib/modules/3.8.0-25-generic/kernel/drivers/net/ethernet/mellanox/mlx4/mlx4_core.ko’: Input/output error cp: failed to extend ‘/tmp/mkinitramfs_8gjKwQ//lib/modules/3.8.0-25-generic/kernel/drivers/net/ethernet/mellanox/mlx4/mlx4_core.ko’: Input/output error cp: reading ‘/lib/modules/3.8.0-25-generic/kernel/drivers/net/ethernet/broadcom/bnx2x/bnx2x.ko’: Input/output error cp: failed to extend ‘/tmp/mkinitramfs_8gjKwQ//lib/modules/3.8.0-25-generic/kernel/drivers/net/ethernet/broadcom/bnx2x/bnx2x.ko’: Input/output error cp: reading ‘/lib/modules/3.8.0-25-generic/kernel/drivers/net/ethernet/broadcom/cnic.ko’: Input/output error cp: failed to extend ‘/tmp/mkinitramfs_8gjKwQ//lib/modules/3.8.0-25-generic/kernel/drivers/net/ethernet/broadcom/cnic.ko’: Input/output error cp: reading ‘/lib/modules/3.8.0-25-generic/kernel/drivers/net/ethernet/qlogic/netxen/netxen_nic.ko’: Input/output error cp: failed to extend ‘/tmp/mkinitramfs_8gjKwQ//lib/modules/3.8.0-25-generic/kernel/drivers/net/ethernet/qlogic/netxen/netxen_nic.ko’: Input/output error cp: reading ‘/lib/modules/3.8.0-25-generic/kernel/drivers/net/ethernet/brocade/bna/bna.ko’: Input/output error cp: failed to extend ‘/tmp/mkinitramfs_8gjKwQ//lib/modules/3.8.0-25-generic/kernel/drivers/net/ethernet/brocade/bna/bna.ko’: Input/output error cp: reading ‘/lib/modules/3.8.0-25-generic/kernel/drivers/scsi/libfc/libfc.ko’: Input/output error cp: failed to extend ‘/tmp/mkinitramfs_8gjKwQ//lib/modules/3.8.0-25-generic/kernel/drivers/scsi/libfc/libfc.ko’: Input/output error cp: reading ‘/lib/modules/3.8.0-25-generic/kernel/drivers/scsi/advansys.ko’: Input/output error cp: failed to extend ‘/tmp/mkinitramfs_8gjKwQ//lib/modules/3.8.0-25-generic/kernel/drivers/scsi/advansys.ko’: Input/output error cp: reading ‘/lib/modules/3.8.0-25-generic/kernel/drivers/scsi/be2iscsi/be2iscsi.ko’: Input/output error cp: failed to extend ‘/tmp/mkinitramfs_8gjKwQ//lib/modules/3.8.0-25-generic/kernel/drivers/scsi/be2iscsi/be2iscsi.ko’: Input/output error cp: reading ‘/lib/modules/3.8.0-25-generic/kernel/drivers/scsi/bnx2i/bnx2i.ko’: Input/output error cp: failed to extend ‘/tmp/mkinitramfs_8gjKwQ//lib/modules/3.8.0-25-generic/kernel/drivers/scsi/bnx2i/bnx2i.ko’: Input/output error Bus error (core dumped) depmod: ../libkmod/libkmod-elf.c:207: elf_get_mem: Assertion `offset < elf->size' failed. Aborted (core dumped) I am not a techie but I need your support to resolve this without re-installation from scratch....

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• JavaOne in Brazil

  - by janice.heiss(at)oracle.com

  JavaOne in Brazil, currently taking place in Sao Paolo, is one event I'd love to attend. I once heard "father of Java" James Gosling talk about Java developers throughout the world. He observed that there were good developers everywhere. It was not the case, he said, that that the really good developers are in one place and the not-so-good developers are in another. He encountered excellent developers everywhere. Then he paused and said that the craziest developers were definitely the Brazilians. As anyone who knows James would realize, this was meant as high praise. He said the Brazilians would work through the night on projects and were very enthusiastic and spontaneous - features that Brazilian culture is known for. Brazilian developers are responsible for creating one of the most impressive uses of Java ever - the applications that run the Brazilian health services. Starting from scratch they created a system that enables an expert doctor in Rio to look at an X-Ray of a patient near the Amazon and offer advice. One of the main architects of this was Java Champion Fabinane Nardon the distinguished Brazilian Java architect and open-source evangelist. As she writes in her blog:"In 2003, I was invited to assemble a team and architect a Public Healthcare Information System for the city of São Paulo, the largest in Latin America, with 14 million inhabitants. The resulting software had 2.5 million of lines of code and it was created, from specification to production, in only 10 months. At the time, the software was considered the largest J2EE application in the world and was featured in several articles, as this one. As a result, we won the Duke's Choice Award in 2005 during JavaOne, the largest development conference in the world. At the time, Sun Microsystems make a short documentary about our work." "In 2007, a lightning struck twice and I was again invited to assemble a new team and architect an even larger information system for healthcare. And thus I became CTO and one of the founders of Zilics Healthcare Information Systems. "In 2010, I started to research and work on Cloud Computing technology and became leader of the LSI-TEC Cloud Computing group. LSI-TEC is a research laboratory in the University of Sao Paulo, one of the best in Brazil. Thus, I became one of the ghost writers behind the popular Cloud Computing Twitter @the_cloud."You can see and hear Nardon in a 4 minute documentary on Java and the Brazilian health care system produced by Sun Microsystems. And you can listen to a September 2010 podcast with Nardon and her fellow Brazilian Java Champion Bruno Souza (known in Brazil as "Java Man") here at 11:10 minutes into the podcast.Next year, I'll hope to be reporting in Brazil at JavaOne!

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• DevConnections jQuery Session Slides and Samples posted

  - by Rick Strahl

  I’ve posted all of my slides and samples from the DevConnections VS 2010 Launch event last week in Vegas. All three sessions are contained in a single zip file which contains all slide decks and samples in one place: www.west-wind.com/files/conferences/jquery.zip There were 3 separate sessions: Using jQuery with ASP.NET Starting with an overview of jQuery client features via many short and fun examples, you'll find out about core features like the power of selectors to select document elements, manipulate these elements with jQuery's wrapped set methods in a browser independent way, how to hook up and handle events easily and generally apply concepts of unobtrusive JavaScript principles to client scripting. The session also covers AJAX interaction between jQuery and the .NET server side code using several different approaches including sending HTML and JSON data and how to avoid user interface duplication by using client side templating. This session relies heavily on live examples and walk-throughs. jQuery Extensibility and Integration with ASP.NET Server Controls One of the great strengths of the jQuery Javascript framework is its simple, yet powerful extensibility model that has resulted in an explosion of plug-ins available for jQuery. You need it - chances are there's a plug-in for it! In this session we'll look at a few plug-ins to demonstrate the power of the jQuery plug-in model before diving in and creating our own custom jQuery plug-ins. We'll look at how to create a plug-in from scratch as well as discussing when it makes sense to do so. Once you have a plug-in it can also be useful to integrate it more seamlessly with ASP.NET by creating server controls that coordinate both server side and jQuery client side behavior. I'll demonstrate a host of custom components that utilize a combination of client side jQuery functionality and server side ASP.NET server controls that provide smooth integration in the user interface development process. This topic focuses on component development both for pure client side plug-ins and mixed mode controls. jQuery Tips and Tricks This session was kind of a last minute substitution for an ASP.NET AJAX talk. Nothing too radical here :-), but I focused on things that have been most productive for myself. Look at the slide deck for individual points and some of the specific samples.   It was interesting to see that unlike in previous conferences this time around all the session were fairly packed – interest in jQuery is definitely getting more pronounced especially with microsoft’s recent announcement of focusing on jQuery integration rather than continuing on the path of ASP.NET AJAX – which is a welcome change. Most of the samples also use the West Wind Web & Ajax Toolkit and the support tools contained within it – a snapshot version of the toolkit is included in the samples download. Specicifically a number of the samples use functionality in the ww.jquery.js support file which contains a fairly large set of plug-ins and helper functionality – most of these pieces while contained in the single file are self-contained and can be lifted out of this file (several people asked). Hopefully you'll find something useful in these slides and samples.© Rick Strahl, West Wind Technologies, 2005-2010Posted in ASP.NET  jQuery  

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• Silverlight Cream for March 15, 2011 -- #1061

  - by Dave Campbell

  In this Issue: Peter Kuhn, Emil Stoychev, Viktor Larsson(-2-), Kevin Hoffman, Rudi Grobler, WindowsPhoneGeek, Jesse Liberty(-2-), and Martin Krüger. Above the Fold: Silverlight: "Image comparison using a GridSplitter" Martin Krüger WP7: "Using WP7 accent color effectively" Viktor Larsson XNA: "XNA for Silverlight developers: Part 7 - Collision detection" Peter Kuhn From SilverlightCream.com: XNA for Silverlight developers: Part 7 - Collision detection Peter Kuhn has part 7 of his XNA for Silverlight devs tutorial series up at SilverlightShow... discussing Collision detection... something you need to get your head around if you're going to do a game. Interview with John Papa about the upcoming MIX11 event and the Open Source Fest Emil Stoychev of SilverlightShow reverses the roles with John Papa and interviews John on this MIX11 and Open Source Fest discussion they had at the MVP Summit Debugging Videos or Camera in WP7 Viktor Larsson has a quick post up on the 3 ways of debugging a WP7 app and why and under what circumstances you should change debug method. Using WP7 accent color effectively Viktor Larsson's next post is about the 10 accent colors available on WP7 devices. He shows how to make best use of that capability in XAML and runtime code. WP7 for iPhone and Android Developers - Hardware and Device Services Kevin Hoffman's part 4 of a 12-part tutorial series at SilverlightShow on WP7 for iPhone/Android devs is up ... this oe concentrates on Hardware and Device Services... Launchers/Choosers/Sensors. How to publish WP7 applications if you live in the Middle-east & Africa region Rudi Grobler has a short post up on a legit way to publish WP7 apps if you are in the MEA region. Creating WP7 Custom Theme – Sample Theme Implementation WindowsPhoneGeek has a new post up and he's starting a series of 3 articles on Creating Wp7 Custom Themes... first up is this tutorial on Basic Theme Implementation... and use it as well. From Android to Windows Phone For "Windows Phone from Scratch #43", Jesse Liberty begins a series on moving apps from Android to WP7, beginning with a tip calculating program. Yet Another Podcast #28–Jeremy Likness Jesse Liberty's next post is his "Yet Another Podcast #28" with Jeremy Likness this time around... the list of all things fun that Jeremy's involved in is getting long... should be a good podcast! Image comparison using a GridSplitter Martin Krüger posted a cool 'Clip Splitter' for comparing images, and what a great set of example images he's using... pretty darn cool lining them up with a grid-splitter. 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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• Silverlight Cream for January 14, 2011 -- #1027

  - by Dave Campbell

  In this Issue: Sigurd Snørteland, Yochay Kiriaty, WindowsPhoneGeek(-2-), Jesse Liberty(-2-), Kunal Chowdhury, Martin Krüger(-2-), Jonathan Cardy. Above the Fold: Silverlight: "Image Viewer using a GridSplitter control" Martin Krüger WP7: "Implementing WP7 ToggleImageControl from the ground up: Part1" WindowsPhoneGeek VS2010 Templates: "MVVM Project Templates for Visual Studio 2010" Jonathan Cardy From SilverlightCream.com: BabySmash7 - a WP7 children's game (source code included) Sigurd Snørteland not only brings Scott Hanselman's Baby Smash to WP7, but he's delivering the source to us as well as discussion of the app. Windows Push Notification Server Side Helper Library Yochay Kiriaty has a tutorial up on Push Notification... not explaining them, but a discussion of a WP7 Push Recipe that provides an easy way for sending all 3 kinds of push notification messages currently supported. Implementing WP7 ToggleImageControl from the ground up: Part1 WindowsPhoneGeek has a great 2-part series up on building a useful WP7 custom control -- a ToggleImage control... this part 1 is definition, deciding on Visual states, etc... buckle up... this is good stuff Implementing WP7 ToggleImageControl from the ground up: Part2 Part 2 in WindowsPhoneGeek's series is also up and where the real fun lives -- implementing the behavior of the control... and the source is available at the end of this post. The Full Stack #5 – Entity Framework Code First Jesse Liberty has episode 5 of the "Full Stack" series he and Jon Galloway are doing and are discussing Entity Framework Code First. Windows Phone From Scratch #18 – MVVM Light Toolkit Soup To Nuts 3 Jesse Liberty also has part 3 of his MVVMLight and WP7 post up and is digging into messaging in this one... for example view <--> ViewModel communication. Exploring Ribbon Control for Silverlight (Part - 1) Kunal Chowdhury has part 1 of a series up on using the Silverlight Ribbon Control from DevComponents... lots of information and a great intro to a great control. Image Viewer using a GridSplitter control Martin Krüger has a very nice picture viewer up as a demo and code available that simply uses the GridSplitter to implement tha aperture... check it out. How to: Gentle animation of a magnify effect Martin Krüger's latest is a take-off on a prior post he links to called 'just for fun' in which he smoothly animates a magnify effect... just very cool animation... explanation and source. MVVM Project Templates for Visual Studio 2010 Jonathan Cardy has a couple resources you probably wanna grab... two MVVM project templates for VS2010... one WPF and one Silverlight 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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• Deploying an ADF Secure Application using WLS Console

  - by juan.ruiz

  Last week I worked on a requirement from a customer that wanted to understand how to deploy to WLS an application with ADF Security without using JDeveloper. The main question was, what steps where needed in order to set up Enterprise Roles, Security Policies and Application Credentials. In this entry I will explain the steps taken using JDeveloper 11.1.1.2. 0 Requirements: Instead of building a sample application from scratch, we can use Andrejus 's sample application that contains all the security pieces that we need. Open and migrate the project. Also make sure you adjust the database settings accordingly. Creating the EAR file Review the Security settings of the application by going into the Application -> Secure menu and see that there are two enterprise roles as well as the ADF Policies enforcing security on the main page. Make sure the Application Module uses the Data Source instead of JDBC URL for its connection type, also take note of the data source name - in my case I have: java:comp/env/jdbc/HrDS To facilitate the access to this application once we deploy it. Go to your ViewController project properties select the Java EE Application category and give it a meaningful name to the context root as well to the Application Name Go to the ADFSecurityWL Application properties -> Deployment  and create a new EAR deployment profile. Uncheck the Auto generate and Synchronize weblogic-jdbc.xml Descriptors During Deployment Deploy the application as an EAR file. Deploying the Application to WLS using the WLS Console On the WLS console create a JNDI data source. This is the part that I found more tricky of the hole exercise given that the name should match the AM's data source name, however the naming convention that worked for me was jdbc.HrDS Now, deploy the application manually by selecting deployments ->Install look for the EAR and follow the default steps. If this is the firs time you deploy the application, once the deployment finishes you will be asked to Activate Changes on the domain, these changes contain all the security policies and application roles insertion into the WLS instance. Creating Roles and User Groups for the Application To finish the after-deployment set up, we need to create the groups that are the equivalent of the Enterprise Roles of ADF Security. For our sample we have two Enterprise Roles employeesApplication and managersApplication. After that, we create the application users and assign them into their respective groups. Now we can run the application and test the security constraints

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• Is SugarCRM really adequate for custom development?

  - by dukeofgaming

  I used SugarCRM for a project about two years ago, I ran into errors from the very installation, having to hack the actual installation file to deploy the software in the server... and other erros that I can't recall now. Two years after, I'm picking it up for a project once again... oh dear, I'm feeling like I should have developed the whole thing from scratch myself. Some examples: I couldn't install it in the server (again)... I had to install it locally, then copy the files and database over to the server and manually edit the config file. Constantly getting deployment errors from the module builder... one reason is SugarCRM keeps creating a record in the upgrade_history table for a file that does not exist, I keep deleting such record and it keeps coming back corrupt. I get other deployment errors, but have not figured them out... then I have to rollback all files and database to try again. I deleted a custom module with relationships, the relationships stayed in the other modules and cannot be deleted anymore, PHP warnings all over the place. Quick create for custom modules does not appear, hack needed. Its whole cache directory is a joke, permanent data/files are stored there. The module builder interface disappears required fields. Edit the wrong thing, module builder won't deploy again... then pray Quick Repair and/or Rebuild Relationships do the trick. My impression of SugarCRM now is that, regardless of its pretty exterior and apparent functionality, it is a very low quality piece of software. This even scared me more: http://amplicate.com/hate/sugarcrm; a quote: I wis this info had been available when I tried to implement it 2 years ago... I searched high and low and the only info I found was positive. Yes, it's a piece of crap. The community edition was full of bugs... nothing worked. Essentially I got fired for implementing it. I'm glad though, because now I work for myself, am much happier and make more money... so, I should really thank SugarCRM for sucking so much I guess! I figured that perhaps some of you have had similar experiences, and have either sticked with SugarCRM or moved on to another solution. I'm very interested in knowing what your resolutions were -or your current situations are- to make up my own mind, since the project I'm working on is long term and I'm feeling SugarCRM will be more an obstacle than an aid. Thanks in advance.

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• Incremental Statistics Maintenance – what statistics will be gathered after DML occurs on the table?

  - by Maria Colgan

  Incremental statistics maintenance was introduced in Oracle Database 11g to improve the performance of gathering statistics on large partitioned table. When incremental statistics maintenance is enabled for a partitioned table, oracle accurately generated global level  statistics by aggregating partition level statistics. As more people begin to adopt this functionality we have gotten more questions around how they expected incremental statistics to behave in a given scenario. For example, last week we got a question around what partitions should have statistics gathered on them after DML has occurred on the table? The person who asked the question assumed that statistics would only be gathered on partitions that had stale statistics (10% of the rows in the partition had changed). However, what they actually saw when they did a DBMS_STATS.GATHER_TABLE_STATS was all of the partitions that had been affected by the DML had statistics re-gathered on them. This is the expected behavior, incremental statistics maintenance is suppose to yield the same statistics as gathering table statistics from scratch, just faster. This means incremental statistics maintenance needs to gather statistics on any partition that will change the global or table level statistics. For instance, the min or max value for a column could change after just one row is inserted or updated in the table. It might easier to demonstrate this using an example. Let’s take the ORDERS2 table, which is partitioned by month on order_date.  We will begin by enabling incremental statistics for the table and gathering statistics on the table. After the statistics gather the last_analyzed date for the table and all of the partitions now show 13-Mar-12. And we now have the following column statistics for the ORDERS2 table. We can also confirm that we really did use incremental statistics by querying the dictionary table sys.HIST_HEAD$, which should have an entry for each column in the ORDERS2 table. So, now that we have established a good baseline, let’s move on to the DML. Information is loaded into the latest partition of the ORDERS2 table once a month. Existing orders maybe also be update to reflect changes in their status. Let’s assume the following transactions take place on the ORDERS2 table this month. After these transactions have occurred we need to re-gather statistic since the partition ORDERS_MAR_2012 now has rows in it and the number of distinct values and the maximum value for the STATUS column have also changed. Now if we look at the last_analyzed date for the table and the partitions, we will see that the global statistics and the statistics on the partitions where rows have changed due to the update (ORDERS_FEB_2012) and the data load (ORDERS_MAR_2012) have been updated. The column statistics also reflect the changes with the number of distinct values in the status column increase to reflect the update. So, incremental statistics maintenance will gather statistics on any partition, whose data has changed and that change will impact the global level statistics.

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• A* navigational mesh path finding

  - by theguywholikeslinux

  So I've been making this top down 2D java game in this framework called Greenfoot [1] and I've been working on the AI for the guys you are gonna fight. I want them to be able to move around the world realistically so I soon realized, amongst a couple of other things, I would need some kind of pathfinding. I have made two A* prototypes. One is grid based and then I made one that works with waypoints so now I need to work out a way to get from a 2d "map" of the obstacles/buildings to a graph of nodes that I can make a path from. The actual pathfinding seems fine, just my open and closed lists could use a more efficient data structure, but I'll get to that if and when I need to. I intend to use a navigational mesh for all the reasons out lined in this post on ai-blog.net [2]. However, the problem I have faced is that what A* thinks is the shortest path from the polygon centres/edges is not necessarily the shortest path if you travel through any part of the node. To get a better idea you can see the question I asked on stackoverflow [3]. I got a good answer concerning a visibility graph. I have since purchased the book (Computational Geometry: Algorithms and Applications [4]) and read further into the topic, however I am still in favour of a navigational mesh (See "Managing Complexity" [5] from Amit’s Notes about Path-Finding [6]). (As a side note, maybe I could possibly use Theta* to convert multiple waypoints into one straight line if the first and last are not obscured. Or each time I move back check to the waypoint before last to see if I can go straight from that to this) So basically what I want is a navigational mesh where once I have put it through a funnel algorithm (e.g. this one from Digesting Duck [7]) I will get the true shortest path, rather than get one that is the shortest path following node to node only, but not the actual shortest given that you can go through some polygons and skip nodes/edges. Oh and I also want to know how you suggest storing the information concerning the polygons. For the waypoint prototype example I made I just had each node as an object and stored a list of all the other nodes you could travel to from that node, I'm guessing that won't work with polygons? and how to I tell if a polygon is open/traversable or if it is a solid object? How do I store which nodes make up the polygon? Finally, for the record: I do want to programme this by myself from scratch even though there are already other solutions available and I don't intend to be (re) using this code in anything other than this game so it does not matter that it will inevitably be poor quality. http://greenfoot.org http://www.ai-blog.net/archives/000152.html http://stackoverflow.com/q/7585515/ http://www.cs.uu.nl/geobook/ http://theory.stanford.edu/~amitp/GameProgramming/MapRepresentations.html http://theory.stanford.edu/~amitp/GameProgramming/ http://digestingduck.blogspot.com/2010/03/simple-stupid-funnel-algorithm.html

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• [MINI HOW-TO] Redeem Pre-paid Zune Card Points for Zune Marketplace Media

  - by Mysticgeek

  If you don’t want to pay the monthly fee for a Zune Pass, one option is buying a pre-paid Zune card. Here we take a look at how to redeem the Zune card points so you can get music for your Zune or Zune HD. Of course the first thing you will need to do is buy a Zune card. You can find them for different amounts at most retail locations that sell Zune’s like Walmart, Best Buy…etc. When you purchase the card make sure the cashier activates it.   Now open up your Zune desktop software and sign in if you aren’t already. Go into Settings \ Account and under Microsoft Points click on Redeem Code. Now enter the code from the back of the card that you scratch off and hit Next. After entering in your code successfully it asks for your contact information, which seems odd considering you’re using a prepaid card. You may want to enter in a fictitious address and phone number if concerned about privacy…then click Next. The only thing you might want to enter in legitimately is your email address to get a confirmation email. You’re given a Thank you message… And back in your Account Settings you’ll see the points have been added. Now you can go shopping for music, videos, TV shows, and more at the Zune Marketplace. If you don’t want to give up your credit card info and pay the monthly fee for the Zune Pass, using prepaid card to purchase music as you go is a good alternative. Similar Articles Productive Geek Tips Update Your Zune Player SoftwareUnofficial Windows XP Themes Created by MicrosoftSweet Black Theme for Windows XPMake Windows XP Use a Custom Theme for the Classic Logon ScreenListen to Local FM Radio in Windows 7 Media Center TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips Revo Uninstaller Pro Registry Mechanic 9 for Windows PC Tools Internet Security Suite 2010 PCmover Professional Easily Sync Files & Folders with Friends & Family Amazon Free Kindle for PC Download Stretch popurls.com with a Stylish Script (Firefox) OldTvShows.org – Find episodes of Hitchcock, Soaps, Game Shows and more Download Microsoft Office Help tab The Growth of Citibank

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• Silverlight Cream for June 10, 2010 -- #879

  - by Dave Campbell

  In this Issue: Emiel Jongerius, Nokola, Christian Schormann, Tim Heuer, David Poll, Mike Snow(-2-), John Papa, and Charles Petzold. Shoutout: Viktor Larsson has a frank look at WP7 based on information from MIX10 and what was said this week in his post: Licking Windows Phone 7... yeah licking, not liking :) .. my guess is even that didn't allow him to keep it! If you haven't already noticed, the CodeProject reader's choice awards are out this week and Telerik won for their RadColorPicker and RadCalendar for Silverlight Telerik also needs congratulations for winning Telerik wins “Best of TechEd” award in the “Components and Middleware” category... check out that trophy... Steven Forte has a picture up of the Telerikers after getting the award. Koen Zwikstra has a new release of Silverlight Spy up that supports the latest release: Silverlight Spy 3.0.0.12 From SilverlightCream.com: Localization of XAML files in Silverlight Emiel Jongerius is back with another post, this time discussing Localizing XAM files... external links and source included. Coolest Silverlight Sound Library for Games I've Seen Yet Nokola talks up a Sound Library for Silverlight 4 Games ... and has links to a great demo, plus the source. SketchFlow: Firing Actions when a Storyboard is Complete Christian Schormann responded to some Twitter questions and demonstrates using the StoryboardCompleted trigger with a Navigate action. Hosting cross-domain Silverlight applications (XAP) Tim Heuer responds to a question from a reader and demonstrates how to host a XAP from a domain other than the one you're working on. Taking Microsoft Silverlight 4 Applications Beyond the Browser (TechEd WEB313) David Poll has all his material up from his TechEd presentation earlier this week on Silverlight OOB... and he covered some pretty extensive material ... check it out! Silverlight Tip of the Day #29 – Configuring Service Reference to Back to LocalHost Mike Snow has a couple new tips up... this first one is quick, but very useful... how to switch your service reference back to localhost without pulling out your hair. Silverlight Tip of the Day #30 – Sending Email from Silverlight In Mike Snow's latest tip, he shows how to send email from your Silverlight app... using a WCF service... and a step-by-step set of instructions. Creating Rich Interactions Using Blend 4: Transition Effects, Fluid Layout and Layout States (Silverlight TV #32) John Papa has Silverlight TV #32 up, and he's talking with Kenny Young of the Expression Blend team while Kenny uses some built-om effects and also creates some impressive examples from scratch -- code included. Simulating Touch Inertia on Windows Phone 7 Charles Petzold has a post up on simulating inertia on WP7... demos in WPF and then moves into WP7... math, source, and external links. 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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• Book &ldquo;Team Foundation Server 2012 Starter&rdquo; published

  - by terje

  During the summer and fall this year, me and my colleague Jakob Ehn has worked together on a book project that has now finally hit the stores! The title of the book is Team Foundation Server 2012 Starter and is published by Packt Publishing. Get it from http://www.packtpub.com/team-foundation-server-2012-starter/book or from Amazon http://www.amazon.com/dp/1849688389                     The book is part of a concept that Packt have with starter-books, intended for people new to Team Foundation Server 2012 and who want a quick guideline to get it up and working.  It covers the fundamentals, from installing and configuring it, and how to use it with source control, work items and builds. It is done as a step-by-step guide, but also includes best practices advice in the different areas. It covers the use of both the on-premises and the TFS Services version. It also has a list of links and references in the end to the most relevant Visual Studio 2012 ALM sites. Our good friend and fellow ALM MVP Mathias Olausson have done the review of the book, thanks again Mathias! We hope the book fills the gap between the different online guide sites and the more advanced books that are out. Book Description Your quick start guide to TFS 2012, top features, and best practices with hands on examples Overview Install TFS 2012 from scratch Get up and running with your first project Streamline release cycles for maximum productivity In Detail Team Foundation Server 2012 is Microsoft's leading ALM tool, integrating source control, work item and process handling, build automation, and testing. This practical "Team Foundation Server 2012 Starter Guide" will provide you with clear step-by-step exercises covering all major aspects of the product. This is essential reading for anyone wishing to set up, organize, and use TFS server. This hands-on guide looks at the top features in Team Foundation Server 2012, starting with a quick installation guide and then moving into using it for your software development projects. Manage your team projects with Team Explorer, one of the many new features for 2012. Covering all the main features in source control to help you work more efficiently, including tools for branching and merging, we will delve into the Agile Planning Tools for planning your product and sprint backlogs. Learn to set up build automation, allowing your team to become faster, more streamlined, and ultimately more productive with this "Team Foundation Server 2012 Starter Guide". What you will learn from this book Install TFS 2012 on premise Access TFS Services in the cloud Quickly get started with a new project with product backlogs, source control, and build automation Work efficiently with source control using the top features Understand how the tools for branching and merging in TFS 2012 help you isolate work and teams Learn about the existing process templates, such as Visual Studio Scrum 2.0 Manage your product and sprint backlogs using the Agile planning tools Approach This Starter guide is a short, sharp introduction to Team Foundation Server 2012, covering everything you need to get up and running. Who this book is written for If you are a developer, project lead, tester, or IT administrator working with Team Foundation Server 2012 this guide will get you up to speed quickly and with minimal effort.

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• Is there a better term than "smoothness" or "granularity" to describe this language feature?

  - by Chris Stevens

  One of the best things about programming is the abundance of different languages. There are general purpose languages like C++ and Java, as well as little languages like XSLT and AWK. When comparing languages, people often use things like speed, power, expressiveness, and portability as the important distinguishing features. There is one characteristic of languages I consider to be important that, so far, I haven't heard [or been able to come up with] a good term for: how well a language scales from writing tiny programs to writing huge programs. Some languages make it easy and painless to write programs that only require a few lines of code, e.g. task automation. But those languages often don't have enough power to solve large problems, e.g. GUI programming. Conversely, languages that are powerful enough for big problems often require far too much overhead for small problems. This characteristic is important because problems that look small at first frequently grow in scope in unexpected ways. If a programmer chooses a language appropriate only for small tasks, scope changes can require rewriting code from scratch in a new language. And if the programmer chooses a language with lots of overhead and friction to solve a problem that stays small, it will be harder for other people to use and understand than necessary. Rewriting code that works fine is the single most wasteful thing a programmer can do with their time, but using a bazooka to kill a mosquito instead of a flyswatter isn't good either. Here are some of the ways this characteristic presents itself. Can be used interactively - there is some environment where programmers can enter commands one by one Requires no more than one file - neither project files nor makefiles are required for running in batch mode Can easily split code across multiple files - files can refeence each other, or there is some support for modules Has good support for data structures - supports structures like arrays, lists, and especially classes Supports a wide variety of features - features like networking, serialization, XML, and database connectivity are supported by standard libraries Here's my take on how C#, Python, and shell scripting measure up. Python scores highest. Feature C# Python shell scripting --------------- --------- --------- --------------- Interactive poor strong strong One file poor strong strong Multiple files strong strong moderate Data structures strong strong poor Features strong strong strong Is there a term that captures this idea? If not, what term should I use? Here are some candidates. Scalability - already used to decribe language performance, so it's not a good idea to overload it in the context of language syntax Granularity - expresses the idea of being good just for big tasks versus being good for big and small tasks, but doesn't express anything about data structures Smoothness - expresses the idea of low friction, but doesn't express anything about strength of data structures or features Note: Some of these properties are more correctly described as belonging to a compiler or IDE than the language itself. Please consider these tools collectively as the language environment. My question is about how easy or difficult languages are to use, which depends on the environment as well as the language.

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• TFS Rant *WARNING* negative opinions are being expressed.

  - by ryanabr

  It has happened several times now where I end up installing TFS "over the shoulder" of the system admin guy whose job it will be to "own" the server when I am gone. TFS is challenging enough to stand up when doing it myself on a completely open platform, but at these locations, networks are locked down, machines are locked down, and the unexpected always seems to pop up. I personally have the tolerance for these things as a software developer, but as we are installing I have to listen to all of 'colorful' remarks being made about: "why is it like this" or "this is a piece of crap". Generally the issues center around SharePoint integration. TFS on it's own is straightforward, but the last flavor in everyone's mouth is the SharePoint piece. As a product I like SharePoint, but installation is a nightmare. In this particular case, we are going to use WSS since the customer would like this separate from their corp SharePoint 2010 installations since there dev team is really small (1 developer) and it is being used as a VSS replacement, more than a full blown ALM tool. The server where it is being installed as a Cisco Security Agent on it that seems to block 'suspicious' activity, and as far as I can tell is preventing WSS from installing properly. The most confounding thing we can find no meaningful log entries to help diagnose the issue. it didn't help matters that when we tried to contact Microsoft for support, because we mentioned TFS in the list of things that we were trying to install, that after waiting 2 hours that we got a TFS support person NOT the SharePoint person that we really needed, so after another 2 hours the SharePoint support that we did get managed to corrupt the registry sufficiently with his 'tools' that we ended up starting over from scratch the next day anyway after going home at midnight. My point to this is: The System Administrator who is going to own this, now thinks it is a piece of crap because SharePoint wouldn't install properly. Perception is everything.  Everyone today is conditioned that software installs and works in a very simple matter. When looking at the different options to install TFS with the different "modes" there is inconsistency in the information being presented which leads to choices that causes headaches and this bad perception before the product is even installed. I am highlighting this because I love TFS as a product, but I HATE installing it, and would like it to install as simply and elegantly as the product operates once it is installed.

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• How can I get my progress reviewed as a solo junior developer

  - by Oliver Hyde

  I am currently working for a 2 person company, as the solo primary developer. My boss gets the clients, mocks up some png design templates and hands them over to me. This system has been working fine and i'm really enjoying it. The types of projects I work on are for small - medium sized businesses and they usually want a CMS system. Developed from scratch i'll build a customised backend for the client to add/edit/remove categories, tags, products etc and then output them to the front end according to the design template handed to me. As time has gone on, the projects have increased in complexity, with shopping cart / ordering features and other common e-commerce type features. Again, this system has been working fine and i'm really enjoying it. My issue is my personal development as a programmer. I spend a lot of my spare time reading programming blogs, checking through stackexchange, reading suggested programming books (currently on 'The Pragmatic Programmer', really good so far), doing brain exercises (lumosity.com and khanacademy math problems), doing lots of physical exercise and other personal development type activities. I can't help but feel though, that I'm missing out on feedback, critique. My boss is great and never holds back on praise in regards to my work, but he unfortunately is either to busy to check my code, or to be honest, I don't think it's one of his specialties and so can't provide feedback. I want to know what i'm doing wrong and what i'm doing right. Should I be putting that much logic in the controller, am I modulating my code enough etc. So what I have done is developed a little 'Family Budgeting' app and tried to do it as cleanly and effectively as I currently know how. What i'm wanting to know is, is there somewhere I can submit this app, and have some seasoned developers provide feedback. It's not just a subsection of my code like 'codereview.stackexchange' appears to require, it's my entire workflow that I want critiqued. I know this is a lot to ask, and I expect the main advice given will be to look for a job within a team, which is certainly something I will look into later down the track, but for now I want to persist with my current employment situation, but just don't want to develop too many bad habits. Let me know if I can provide any further information to help clarify, or if this isn't the right place for this type of question I apologise in advance. Didn't want to use reddit as I felt this community fosters more well thought out responses.

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• Architecture strategies for a complex competition scoring system

  - by mikewassmer

  Competition description: There are about 10 teams competing against each other over a 6-week period. Each team's total score (out of a 1000 total available points) is based on the total of its scores in about 25,000 different scoring elements. Most scoring elements are worth a small fraction of a point and there will about 10 X 25,000 = 250,000 total raw input data points. The points for some scoring elements are awarded at frequent regular time intervals during the competition. The points for other scoring elements are awarded at either irregular time intervals or at just one moment in time. There are about 20 different types of scoring elements. Each of the 20 types of scoring elements has a different set of inputs, a different algorithm for calculating the earned score from the raw inputs, and a different number of total available points. The simplest algorithms require one input and one simple calculation. The most complex algorithms consist of hundreds or thousands of raw inputs and a more complicated calculation. Some types of raw inputs are automatically generated. Other types of raw inputs are manually entered. All raw inputs are subject to possible manual retroactive adjustments by competition officials. Primary requirements: The scoring system UI for competitors and other competition followers will show current and historical total team scores, team standings, team scores by scoring element, raw input data (at several levels of aggregation, e.g. daily, weekly, etc.), and other metrics. There will be charts, tables, and other widgets for displaying historical raw data inputs and scores. There will be a quasi-real-time dashboard that will show current scores and raw data inputs. Aggregate scores should be updated/refreshed whenever new raw data inputs arrive or existing raw data inputs are adjusted. There will be a "scorekeeper UI" for manually entering new inputs, manually adjusting existing inputs, and manually adjusting calculated scores. Decisions: Should the scoring calculations be performed on the database layer (T-SQL/SQL Server, in my case) or on the application layer (C#/ASP.NET MVC, in my case)? What are some recommended approaches for calculating updated total team scores whenever new raw inputs arrives? Calculating each of the teams' total scores from scratch every time a new input arrives will probably slow the system to a crawl. I've considered some kind of "diff" approach, but that approach may pose problems for ad-hoc queries and some aggegates. I'm trying draw some sports analogies, but it's tough because most games consist of no more than 20 or 30 scoring elements per game (I'm thinking of a high-scoring baseball game; football and soccer have fewer scoring events per game). Perhaps a financial balance sheet analogy makes more sense because financial "bottom line" calcs may be calculated from 250,000 or more transactions. Should I be making heavy use of caching for this application? Are there any obvious approaches or similar case studies that I may be overlooking?

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• Silverlight Cream for March 13, 2011 -- #1059

  - by Dave Campbell

  In this Issue: András Velvárt, WIndowsPhoneGeek(-2-), Jesse Liberty(-2-), Victor Gaudioso, Kunal Chowdhury, Jeremy Likness, Michael Crump, and Dhananjay Kumar. Above the Fold: Silverlight: "Application Library Caching in Silverlight 4" Kunal Chowdhury WP7: "Handling WP7 orientation changes via Visual States" András Velvárt Shoutouts: Joe McBride gave a MEF Head User Group presentation and has posted How to Become a MEF Head – Slides & Code From SilverlightCream.com: Handling WP7 orientation changes via Visual States András Velvárt has an Expression Blend/WP7 post up discussing WP7 orientation changes and handling them via Visual States ... see an example from his SurfCube app, and a behavior to handle the control... with source. WP7 PerformanceProgressBar in depth WIndowsPhoneGeek has a post up discussing the WP7 Performance bar from the Windows Phone Toolkit. This is an update on the Toolkit based on the Feb 2011 release. Great explanation of the PerformanceProgressBar, external links, and sample code. Getting data out of WP7 WMAppManifest is easy with Coding4Fun PhoneHelper Next WindowsPhoneGeek has a post up about the PhoneHelper in the Coding4Fun TOolkit, and using it to get data out of the WMAppManifest easily. Good discussion, Links, and code as always Silverlight Unit Test For Phone In Jesse Liberty's "Windows Phone From Scratch" number 41, he's discussing Unit Testing for WP7... he gives some good external links and some good examples. Yet Another Podcast #27–Paul Betts Jesse Liberty's next post is his "Yet Another Podcast" number 27, and an interview with Paul Betts, the creator of Reactive UI... check out the podcast and also the good links listed. New Silverlight Video Tutorial: How to use the Fluid Move Behavior Victor Gaudioso has a new video tutorial up on using the Fluid Move Behavior... making a selected item animate from a ListBox to a Master Details Grid. Application Library Caching in Silverlight 4 Kunal Chowdhury takes a break from SilverlightZone long enough to write a post about Application Library Caching... for example on-demand loading of a 3rd-party XAP. Jounce Part 13: Navigation Parameters Jeremy Likness has his 13th post of a series in understanding his Jounce MVVM framework up. This episode surrounds a new release and what it contains, the primary focus being navigation parameters... that is you can raise a navigation event with a payload. Profiling Silverlight Applications after installing Visual Studio 2010 Service Pack 1 Michael Crump digs into the performance wizard for Silverlight that we get with VS2010 SP1. He shows how to get and read a profile... great intro to a new tool. Binding XML File to Data Grid in Silverlight Dhananjay Kumar demonstrates reading an XML file using LINQ to XML and binding the result to a Silverlight DataGrid 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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• Installing Canon LBP6000 in Ubuntu 12.04

  - by MMA

  This is really frustrating. I am trying to install LBP6000 in Ubuntu 12.04 without any success. (Well, I had success about a week back when I first bought the printer and finally printed pages after a struggle of several hours. Then today it suddenly stopped working and I uninstalled everything and started from scratch. Now, I seem to have lost the way.) My steps Downloaded the latest Canon driver from Canon site. File Linux_CAPT_PrinterDriver_V240_uk_EN.tar.gz Got the radu script (I am allowed only two hyperlinks, so can not put the link here. You can Google radu Canon) Changed the /etc/modprobe.d/blacklist-cups-usblp.conf file as instructed in, Official Documentation. (See the section Ubuntu 12.04 Install). Now this file looks like, # cups talks to the raw USB devices, so we need to blacklist usblp to avoid # grabbing them # blacklist usblp Rebooted my machine Changed the port in radu script to 59787 as instructed in the link at step 3. (Again see the section Ubuntu 12.04 Install, or see the comment at How to Install Canon LBP Printers in Ubuntu. Also put the latest deb files from step 1 in the appropriate directory of this script. Ran the radu script. A printer, LBP6000 got added. Not two printers, one to be disabled, as appeared in the message on the terminal after running the script. sudo /etc/init.d/ccpd status shows, Canon Printer Daemon for CUPS: ccpd: 3142 3139 Results The printer does not print. Printer state (from System Setting-Printing, or at cups http interface localhost:631/printers/LBP6000) goes from Idle to Processing, a job appears in print queue, and then the job disappears and the printer state goes back to Idle. The actual printer does not even blink. Diagnostics (got help from the link in step 3, Troubleshooting) captstatusui -P LBP6000 shows communication error lsmod | grep usblp did not show anything. After running, sudo modprobe usblp, shows usblp 17885 0 However, ls -l /dev/usb/lp0 gives, ls: cannot access /dev/usb/lp0: No such file or directory /var/ccpd did not exist, created, sudo mkdir /var/ccpd sudo mkfifo /var/ccpd/fifo0 sudo chown -R lp:lp /var/ccpd Any suggestion will be appreciated. Do not know what to do.

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