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  • Talend vs. SSIS: A Simple Performance Comparison

    With all of the ETL tools in the marketplace, which one is best? Jeff Singleton brings us simple performance comparison pitting SSIS against open source powerhouse Talend. Optimize SQL Server performance“With SQL Monitor, we can be proactive in our optimization process, instead of waiting until a customer reports a problem,” John Trumbul, Sr. Software Engineer. Optimize your servers with a free trial.

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  • C++ Programming: Implementation of the Licensing System For a Software Product

    This article is devoted to the development of the key licensing system for the applications. In the theoretical part of the article, we will examine the cryptography methods, which can be used while implementing the licensing system. Also we will discuss all pros and cons of these methods and select the possible ones for using in the application. In the practical part of the article, we will provide the implementation of the simplest licensing system, which guaranties the protection from cracking even if a hacker knows the source code of an algorithm.

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  • Excellent Windows Azure benchmarks

    - by Sarang
    The Extreme computing group has released a fairly comprehensive set of benchmarks  for almost all aspects of WA. They have also provided the source code to alleviate all doubts that may surface with the MSFT logo lurking around the top right of their homepage :) (Which also resides at a cloudapp.net url). The code is simple and the tests comprehensive enough to hold as data points for customer interactions. Add to it the clean no nonsense Silverlight charts to render the benchmarks and you are set to sell. Technorati Tags: Azure,Benchmark,Extreme Computing Group

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  • La version officielle d'Eclipse 4 annoncée pour juillet prochain, Eclipse SDK 4.0 Release build 0.9

    Eclipse SDK 4.0 disponible pour les testeurs volontaires La version officielle d'Eclipse 4 annoncée pour juillet prochain Eclipse 4 (e4), la prochaine génération de la plateforme d'outils de développement open-source, est prévu pour juillet prochain. L'annonce vient d'en être faite au EclipseCon 2010 qui se déroule actuellement en Californie. Connu sous le nom de Eclipse SDK 4.0, , la plateforme fournit aux développeurs une série d'outils leur permettant de développer des applications riches ou des outils fonctionnant sur Eclipse (typiquement des plugins).Par ailleurs, Eclipse 4 devrait également fournir un ensemble de composants améliorant encore l'EDI Eclipse.

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  • Why (not) logic programming?

    - by Anto
    I have not yet heard about any uses of a logical programming language (such as Prolog) in the software industry, nor do I know of usage of it in hobby programming or open source projects. It (Prolog) is used as an academic language to some extent, though (why is it used in academia?). This makes me wonder, why should you use logic programming, and why not? Why is it not getting any detectable industry usage?

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  • Innovation Java : 8ème édition du Duke's Choice Awards - Les candidatures sont ouvertes, quels sont

    Bonjour, Pour la 8ème année consécutive sont organisés les Duke's Choice Awards. Le principe : récompenser les innovations dans le monde Java (rapport innovation / moyens mis en oeuvre) dans différentes catégories. Quelques catégories présentes les années passées :Java Technology in Education Java Technology for the Environment Java Technology for the Open Source Community Java Everywhere! Java Technology Tools ... Les résultats seront probablement donnés lors de JavaOne du 19 au 23 septembre 2010. Des pronostics ? Voir également :

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  • Users Sound Off on Droid Android 2.1 Update Delay

    <b>Enterprise Mobile Today:</b> "The delayed Android 2.1 update for the Motorola Droid is starting to tarnish the successful launch of Verizon's first smartphone to run on Google's open source mobile operating system, according to posts at Motorola's Facebook page."

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  • Does GNC mean the death of Internet Explorer?

    - by Monika Michael
    From the wikipedia - Google Native Client (NaCl) is a sandboxing technology for running a subset of Intel x86 or ARM native code using software-based fault isolation. It is proposed for safely running native code from a web browser, allowing web-based applications to run at near-native speeds. (Emphasis mine) (Source) Compiled C++ code running in a browser? Are other companies working on a similar offering? What would it mean for the browser landscape?

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  • Silverlight Cream for April 22, 2010 -- #844

    - by Dave Campbell
    In this Issue: Miroslav Miroslavov, David Anson, Mike Snow, Jason Alderman, Denis Gladkikh, John Papa, Adam Kinney, and CrocusGirl. Shoutout: Mike Snow is moving his blog to Silverlight Tips of The Day... his first is a repeat of number 110 of the last list, but you'll want to bookmark the page. Falling in the 'too cool not to mention' category... Pete Brown posted another MIX10 interview: New Channel 9 Video: Josh Blake on NaturalShow Multi-touch in WPF Adam Kinney announced that the Upgrade to Expression Studio v4 for free – now in writing! From SilverlightCream.com: Visuals staring at the mouse cursor Miroslav Miroslavov at SilverlightShow has a first part post up on the design of the CompleteIT site... going through the 'follow the mouse' effect that is so cool on the main page... with source. Today's DataVisualizationDemos release includes new demos showing off stacked series behavior Falling squarly into the category of "when does he sleep"... David Anson has another Visualization post up today... adding a stacked series and Text-to-Chat sample. Silverlight: Unable to start Debugging. The Silverlight managed debugging package isn’t installed. Mike Snow has a tip up about what to do if you get an "Unable to start debugging" box when you crank up VS ... not a great solution, but it's a solution. Introducing Pillbox for Windows Phone The folks at Veracity definitely have way too much fun with technology :) ... check out the WP7 app that Jason Alderman blogged about... he has a link out to another page with screenshots... oh, AND the code... Export data to Excel from Silverlight/WPF DataGrid Denis Gladkikh demonstrates using COM Interop to export to Excel from both WPF and Silverlight. He discusses isses he had and has all the source for both platforms available. Silverlight TV 21: Silverlight 4 - A Customer's Perspective John Papa has Silverlight TV number 21 up and he's chatting with Franck Jeannin of Ormetis, Ward Bell of IdeaBlade, and Dave Wolf of Cynergy Systems, all presenters in the Keynote at DevConnections. Avatar Mosaic -Experimenting with the Artefact Animator Adam Kinney spent enough time with Artefact Animator to put up a lengthy post about it including his project. Artefact Animator itself is available on CodePlex, and Adam has the link... this looks like good stuff. Windows Phone 7 Design Notes – Part2: Metro + Adrian Frutiger CrocusGirl continues her WP7 Metro discussion with a great long post on background she's researched and some of her own work with typography... a great read. 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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  • Constraint-based expert systems design and development [on hold]

    - by Alex B.
    I would appreciate some recommendations & resources on design and development of expert systems, in particular, knowledge-based & constraint-based (not recommendation) systems. Ideally, your answers should consider the perspective (context) of using a SaaS business model and open source rules engine. How would you advise to address performance, scalability and other architectural criteria? Any other considerations on undertaking such project will be appreciated. Thanks much in advance!

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  • ArchBeat Link-o-Rama for 2012-07-10

    - by Bob Rhubart
    Free Event Today: Virtual Developer Day: Oracle Fusion Development This free event—another in the ongoing series of OTN Virtual Developer Days—focuses on Oracle Fusion development, and features three session tracks plus hands-on labs. Agenda and session abstracts are available now so you can be ready for the live event when it kicks off today, July 10, 9am to 1pm PST / 12pm to 4pm EST / 1pm to 5pm BRT. Podcast: The Role of the Cloud Architect - Part 1/3 In part one of this three-part conversation, cloud architects Ron Batra (AT&T) and James Baty (Oracle) talk about how cloud computing is driving the supply-chaining of IT and the "democratization of the activity of architecture." Middleware and Cloud Computing Book | Tom Laszewski Cloud migration expert Tom Laszewski describes Middleware and Cloud Computing by Frank Munz as "one of only a couple books that really discuss AWS and Oracle in depth." Cloud computing moves from fad to foundation | David Linthicum "When enterprises make cloud computing work, they view the application of the technology as a trade secret of sorts, so there are no press releases or white papers," says David Linthicum. "Indeed, if you see one presentation around a successful cloud computing case study, you can bet you're not hearing about 100 more." Oracle Real-Time Decisions: Combined Likelihood Models | Lukas Vermeer Lukas Vermeer concludes his extensive series of posts on decision models with a look "an advanced approach to amalgamate models, taking us to a whole new level of predictive modeling and analytical insights; combination models predicting likelihoods using multiple child models." Running Oracle BPM 11g PS5 Worklist Task Flow and Human Task Form on Non-SOA Domain | Andrejus Baranovskis "With a standard setup, both the BPM worklist application and the Human task form run on the same SOA domain, where the BPM process is running," says Oracle ACE Director Andrejus Baranovskis. "While this work fine, this is not what we want in the development, test and production environment." BAM design pointers | Kavitha Srinivasan "When using EMS (Enterprise Message Source) as a BAM feed, the best practice is to use one EMS to write to one Data Object," says Oracle Fusion Middleware A-Team blogger Kavitha Srinivasan. "There is a possibility of collisions and duplicates when multiple EMS write to the same row of a DO at the same time." Changes in SOA Human Task Flow (Run-Time) for Fusion Applications | Jack Desai Oracle Fusion Middleware A-Team blogger Jack Desai shares a troubleshooting tip. Thought for the Day "A program which perfectly meets a lousy specification is a lousy program." — Cem Kaner Source: SoftwareQuotes.com

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  • SQL SERVER What is Spatial Database? Developing with SQL Server Spatial and Deep Dive into Spatial

    What is Spatial Database?A spatial database is a database that is optimized to store and query data related to objects in space, including points, lines and polygons. While typical databases can understand various numeric and character types of data, additional functionality needs to be added for databases to process spatial data types. (Source: Wikipedia)Today [...]...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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  • Optimizing Memory Usage in a .NET Application with ANTS Memory Profiler

    Most people have encountered an OutOfMemory problem at some point or other, and these people know that tracking down the source of the problem is often a time-consuming and frustrating task. Florian Standhartinger gives us a walkthrough of how he used the ANTS Memory Profiler to help make an otherwise painful task that little bit less troublesome.

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  • Using LINQ Lambda Expressions to Design Customizable Generic Components

    LINQ makes code easier to write and maintain by abstracting the data source. It provides a uniform way to handle widely diverse data structures within an application. LINQ’s Lambda syntax is clever enough even to allow you to create generic building blocks with hooks into which you can inject arbitrary functions. Michael Sorens explains, and demonstrates with examples.

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  • Using LINQ Lambda Expressions to Design Customizable Generic Components

    LINQ makes code easier to write and maintain by abstracting the data source. It provides a uniform way to handle widely diverse data structures within an application. LINQ’s Lambda syntax is clever enough to even allow you to create generic building blocks with hooks, into which you can inject arbitrary functions. Michael Sorens explains, and demonstrates with examples. span.fullpost {display:none;}

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  • Stairway to XML: Level 8 - Deleting Data from an XML Instance

    in order to use the modify() method to delete data from typed and untyped XML instances, you must pass an XML DML expression as an argument to the method. That expression must include the delete keyword, along with an XQuery expression that defines the XML component to be deleted. Robert makes it seem simple, as usual. The best way to version control T-SQLSSMS plug-in SQL Source Control connects SVN, TFS, Git, Hg and all others to SQL Server. Learn more.

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  • Github Organization Repositories, Issues, Multiple Developers, and Forking - Best Workflow Practices

    - by Jim Rubenstein
    A weird title, yes, but I've got a bit of ground to cover I think. We have an organization account on github with private repositories. We want to use github's native issues/pull-requests features (pull requests are basically exactly what we want as far as code reviews and feature discussions). We found the tool hub by defunkt which has a cool little feature of being able to convert an existing issue to a pull request, and automatically associate your current branch with it. I'm wondering if it is best practice to have each developer in the organization fork the organization's repository to do their feature work/bug fixes/etc. This seems like a pretty solid work flow (as, it's basically what every open source project on github does) but we want to be sure that we can track issues and pull requests from ONE source, the organization's repository. So I have a few questions: Is a fork-per-developer approach appropriate in this case? It seems like it could be a little overkill. I'm not sure that we need a fork for every developer, unless we introduce developers who don't have direct push access and need all their code reviewed. In which case, we would want to institute a policy like that, for those developers only. So, which is better? All developers in a single repository, or a fork for everyone? Does anyone have experience with the hub tool, specifically the pull-request feature? If we do a fork-per-developer (or even for less-privileged devs) will the pull-request feature of hub operate on the pull requests from the upstream master repository (the organization's repository?) or does it have different behavior? EDIT I did some testing with issues, forks, and pull requests and found that. If you create an issue on your organization's repository, then fork the repository from your organization to your own github account, do some changes, merge to your fork's master branch. When you try to run hub -i <issue #> you get an error, User is not authorized to modify the issue. So, apparently that work flow won't work.

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  • Is extreme programming out of date?

    - by KingBabar
    I have stumbled across this graph and I wonder if someone would care to explain the results? As you can see, extreme programming (XP) is practically uninterested and has almost disappeared from searches. The legend is: Blue: Agile Red: Scrum Orange: extreme programming Green: Waterfall source: http://www.google.com/insights/search/#cat=0-5&q=agile%2Cscrum%2Cextreme%20programming%2Cwaterfall&cmpt=q

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  • What defines code readability?

    - by zxcdw
    It is often said that readability is perhaps the most important quality-defining measure of a given piece of code for reasons concerning maintainability, ease of understanding and use. What defines the word readable in context of program source code? What kind of definitive aspects are there to code readability? I would be grateful with code examples of readable code, along with reasoning why it is readable.

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  • What is meant by Scope of a variable?

    - by Appy
    I think of the scope of a variable as - "The scope of a particular variable is the range within a program's source code in which that variable is recognized by the compiler". That statement is from "Scope and Lifetime of Variables in C++", which I read many months ago. Recently I came across this in LeMoyne-Owen College courses: What exactly is the difference between the scope of variables in C# and (C99, C++, Java) when However a variable still must be declared before it can be used

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  • How you return to a code when you don't remember what you were doing?

    - by speeder
    Well, I have some problems with procrastination and whatnot, but those get infinitely worse, when I cannot remember what I should be doing. I mean, I know my project, I wrote 100% of the code so far, and I knew more or less what I was doing, but I don't remember exactly what, I don't remember what file I was editing and why. How I get back on track? (because right now my technique of opening the source code and staring at it is not working)

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