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  • Cartoon Games and Arcade Games SEO Part 2

    Now students, today we will be talking about SEO. But not just some regular, plain, old SEO. I'm talking arcades here, and that means we gotta put a little spin on it and change things up just a bit. Isn't that exciting! Learning new techniques are great, so let's start.

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  • links for 2010-04-28

    - by Bob Rhubart
    Guido Schmutz: Oracle BPM11g available! Oracle ACE Director Guido Schmutz shares his impressions after attending a hands-on workshop conducted by Masons of SOA member Clemens Utschig-Utschig. (tags: oracle otn oracleace bpm soa soasuite) Elena Zannoni : 2010 Collaboration Summit Impressions Elena Zannoni has collected her thoughts on #C10 and shares them in this great blog post. (tags: oracle otn linux architecture collaborate2010) Hajo Normann: BPMN 2.0 in Oracle BPM Suite: The future of BPM starts now "The BPM Studio sets itself apart from pure play BPMN 2.0 tools by being seamlessly integrated inside a holistic SOA / BPM toolset: BPMN models are placed in SCA-Composites in SOA Suite 11g. This allows to abstract away the complexities of SOA integration aspects from business process aspects. For UIs in BPMN tasks, you have the richness of ADF 11g based Frontends." -- Oracle ACE Director and Masons of SOA member Hajo Normann (tags: oracle otn oracleace bpm soa sca) Brain Dirking: AIIM Best Practice Awards to Two Oracle Customers Brian Dirking's great write-up of the AIIM Awards Banquet, at which the Bureau of Indian Affairs and the Charles Town Police Department were among the winners of the 2010 Carl E. Nelson Best Practices Awards. (tags: oracle otn aiim bpm ecm enterprise2.0) Mark Wilcox: Upcoming Directory Services Live Webcast - Improve Time-to-Market and Reduce Cost with Oracle Directory Services Live Webcast: Improve Time-to-Market and Reduce Cost with Oracle Directory Services Event Date: Thursday, May 27, 2010 Event Time: 10:00 AM Pacific Standard Time / 1:00 Eastern Standard Time (tags: oracle otn webcast security identitymanagement) Celine Beck: Introducing AutoVue Document Print Service Celine Beck offers a detailed overview of Oracle AutoVue. (tags: oracle otn enatarch visualization printing) Vikas Jain: What's new in OWSM 11gR1 PS2 (11.1.1.3.0) ? Vikas Jain shares links to resources relevant to the recently releases patch set for Oracle Web Services Manager 11gR1. (tags: oracle otn soa webservices oswm) @theovanarem: Oracle SOA Suite 11g Release 1 Patch Set 2 Theo Van Arem shares links to several resources relevant to the release of the latest patch set for Oracle SOA Suite 11g. (tags: oracle otn soa soasuite middleware) @vambenepe: Analyzing the VMforce announcement "The new thing is that force.com now supports an additional runtime, in addition to Apex. That new runtime uses the Java language, with the constraint that it is used via the Spring framework. Which is familiar territory to many developers. That’s it." -- William Vambenepe (tags: oracle otn cloud paas)

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  • 7 Habits of Highly Effective Media Queries - by Brad Frost

    - by ihaynes
    Originally posted on: http://geekswithblogs.net/ihaynes/archive/2013/10/11/7-habits-of-highly-effective-media-queries---by-brad.aspxBrad Frost, one of the original proponents of responsive design, has written a great article on the "7 Habits of Highly Effective Media Queries".Let content determine breakpointsTreat layout as an enhancementUse major and minor breakpointsUse relative unitsGo beyond widthUse media queries for conditional loadingDon't go overboardGot you wondering? Read Brad's full article.Oh, and if you haven't read Steven Covey's original "7 Habits of Highly Effective People" book, it's a valuable read too, and might just change the way you relate to others and the world around you.

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  • The Battle of Helm’s Deep in LEGO [Video]

    - by Jason Fitzpatrick
    Not only is this an impressive rendering of the Lord of the Ring’s series Battle of Helm’s Deep, but the animator threw in some great cameos and jokes along the way. LEGO The Battle of Helm’s Deep [via Geeks Are Sexy] Our Geek Trivia App for Windows 8 is Now Available Everywhere How To Boot Your Android Phone or Tablet Into Safe Mode HTG Explains: Does Your Android Phone Need an Antivirus?

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  • A wee bit exhausted… time to reenergize

    - by drsql
    I admit it. I am tired and I have not blogged nearly enough. This has been a crazy year, with the book I finished writing , the pre-cons I have done (teaching is NOT my primary profession so I do a lot more prep than some others probably do), lots of training on Data Warehousing topics (from Ralph Kimball, Bob Becker, and Stacia Misner, to name three of the great teachers I have had), SQL Rally, SQL PASS, SQL Saturdays and I have gotten a lot more regular with my simple-talk blog as well… Add to...(read more)

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  • NHibernate Tools

    - by Ricardo Peres
    Felice Pollano is the author of a two great new tools for working with NHibernate: NH Workbench: an IDE for writing HQL queries against a model db2hbm: generation of .hbm.xml files from a database (currently only SQL Server, more to come) I suggest you give them a try and give Felix your feedback!

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  • Configure Windows Firewall for SQL Server 2008 Database Engine in Windows Server 2008 R2

    I have installed SQL Server 2008 Developer Edition on Windows Server 2008 R2 and I am unable to get connect to SQL Server 2008 Instance from SQL Server 2008 Management Studio which is installed on another remote server. As I am new to Windows Server 2008 R2 it would be great if you can let me know the step by step approach to enable the default port of SQL Server 2008 in Windows Firewall for user connectivity.

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  • Silverlight Cream for December 18, 2010 - 2 -- #1013

    - by Dave Campbell
    In this Issue: Michael Washington, Pete Brown, Robby Ingebretsen, Bill Reiss, Jordan Knight, Mike Taulty, Justin Angel, Jeff Blankenburg. Above the Fold: Silverlight: "Creating the Silverlight View Model (MVVM) Control: Calendar Icon" Michael Washington WP7: "United Nations News for Windows Phone 7" Justin Angel Silverlight, WP7/WPF: "CameraPanel: A Parallax Panel for Silverlight, WP7 or WPF" Robby Ingebretsen Shoutouts: Michael Scherotter produced a Silverlight Webcam photo app that he's providing as a free install: A Free Webcam Photo Application in Silverlight From SilverlightCream.com: Creating the Silverlight View Model (MVVM) Control: Calendar Icon Michael Washington has a stunning Calendar Control/Icon up on his blog... walking through how he built it and how you can easily use it in your Silverlight or WP7 app. Strategies for Improving INotifyPropertyChanged in WPF and Silverlight Pete Brown takes a look at INPC and some of the ways this is dealt with to avoid some of the tedius code-reuse errors we all make. CameraPanel: A Parallax Panel for Silverlight, WP7 or WPF Robby Ingebretsen gives up the code for that cool panel he's got on his homepage where the small panels move about seemingly in space. Writing a Windows Phone 7 game? Have a fallback plan Bill Reiss, who has a great WP7 game up - Popper 2 - has a very well-thought-out post up about WP7 'indie' games and the future thereof... great comments from reader/authors as well Automatic template selection – marrying a view to a view model Jordan Knight has the 2nd post of his series on MVVM up... he's talking about it in context of their XamlingCore, but concepts are all good. Rebuilding the PDC 2010 Silverlight Application (Part 5) Mike Taulty's next episode in describing the development of the PDC10 app he wrote is up ... again lots of Blend goodness in this one where he's adding buttons to let the user (us) download whatever is available for the chosen session. United Nations News for Windows Phone 7 In a munificent gesture, Justin Angel not only made his United Nation News app free on the marketplace, but he's posted the source to CodePlex! Justin had sent me a XAP a couple weeks ago, but for some reason, I can no longer sideload so wasn't able to try it until now... too cool, Justin! What I Learned In WP7 – Issue #6 Jeff Blankenburg has his latest "What I learned in WP7" tip up ... and this is one about the marketplace written by someone that's been there and back a few times... 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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  • Top tweets SOA Partner Community – October 2012

    - by JuergenKress
    Send your tweets @soacommunity #soacommunity and follow us at http://twitter.com/soacommunity SOA Community Deploying Fusion Order Demo on 11.1.1.6 by Antony Reynolds http://wp.me/p10C8u-vA leonsmiers ?Cant wait to test it >> 't waiRT @OracleSOA: Case Management patterns, session coverage from #OOW #OracleBPM #ACM #BPM http://bit.ly/OdcZL6 Danilo Schmiedel Bye bye San Francisco. #oow was a great conference in a wonderful city! Thanks! @soacommunity pic.twitter.com/lcYSe9xC OPITZ CONSULTING ?The Journey towards #Oracle #BPM @OpenWorld 2012 - Slides by @t_winterberg & H. Normann: http://ow.ly/edkWE #oow demed Full house at the SOA Customer Advisory Board! #oow12 http://instagr.am/p/QX9B8eLMLS/ Danilo Schmiedel "@whitehorsesnl: Had some great talks with the BPM guys at the DEMOgrounds. It is one of the best things at #oow" -> I agree!! @soacommunity Mark Simpson ?Fusion Middleware Global Innovation Awards: nice to pick up a soa and bpm with our customer. #oow Mark Simpson ?RT @SOASimone: #oraclesoa #oow hands on lab fully booked pic.twitter.com/pwI94Ew7 <--quick, provision some more compute power on the cloud! Oracle SOA ?Join us for BPM and Analytics: Process Dashboards. BAM, and Intelligent OptimizationMoscone South - 308#OracleBPM #OOW Oracle SOA ?Real-time public safety demo! License plate recognition and processing in London via Oracle Event Processing. #oow pic.twitter.com/WufesDBq Marc ?Nice session on customer success stories on #SOA11g on with @SOASimone Pro and cons and architectural overview. #oow pic.twitter.com/bzuhsujm Lucas Jellema Full length Keynote on Middleware #oow : http://medianetwork.oracle.com/video/player/1873556035001 … #oow_amis OracleBlogs ?Why Fusion Middleware matters to Oracle Applications and Fusion Applications customers? http://ow.ly/2stVQ0 OracleBlogs ?Open World Session - BPM, SOA and ADF Combined:Patterns learned from Fusion Applications http://ow.ly/2suhzf Ronald Luttikhuizen ?VENNSTER BLOG | Presentations at OpenWorld 2012 | http://blog.vennster.nl/2012/10/presentations-at-openworld-2012.html … Andrejus Baranovskis @dschmied @soacommunity next OOW for sure, and may be SOA community event ! @soacommunity Danilo Schmiedel ?@andrejusb Thanks Andrejus - I really enjoyed having a session with you at #oow. When is next time :-) ? @soacommunity Lionel Dubreuil ?@soacommunity #oow12 Today-1:15pm-Marriott Marquis Salon 7 Jump-starting Integration with Oracle Foundation Pack http://bit.ly/QKKJzF Ronald Luttikhuizen ?Impression from our fault handling session in OSB and SOA Suite from the audience @soacommunity @gschmutz #oow pic.twitter.com/WSg1Z89E Marc Nice session on Oracle Virtual Assembly for #SOA11g, @soacommunity Works with #exalogic but not required SOA Community ?Send your #soacommunity #oow pictures and blog posts @soacommunity or http://www.facebook.com/soacommunity Enjoy OOW ;-) Jon petter hjulstad Oracle BPM- Big leap forward in 11.1.1.7 ! Whitehorses ?Common BPM Use Cases from Oracle #bpm #oow pic.twitter.com/ofOv04EF Whitehorses ?Oracle BPM 11.1.1.7 top new features. Interesting #oow #oowbenelux pic.twitter.com/HY9QN5un SOA Community Industrialized SOA - topic of Business Technology Magazine http://wp.me/p10C8u-vi orclateamsoa ?A-Team Blog #ateam: The curious case of SOA Human tasks' automatic completion http://ow.ly/1mq6YU Simone Geib Look for this sign #oow #oraclesoa pic.twitter.com/MJsPV4PO Lucas Jellema My summary of Larry Ellison's keynote at #oow on the AMIS Blog: http://technology.amis.nl/2012/10/01/oow-2012-larry-ellisons-keynote-announcements-exa-cloud-database/ … #oow_amis gschmutz ?Join my #oow session "Five Cool Use Cases for the Spring Component" to see the power of Spring and SOA Suite combined! Moscone 310 - 3:15 PM Ronald Luttikhuizen Thanks to @soacommunity for great SOA/BPM dinner event yesterday night! #oow pic.twitter.com/v7x3i0DC OracleBlogs ?OSB, Service Callouts and OQL http://ow.ly/2sq6B2 OracleBlogs ?Cloud and On-Premises Applications Integration using Oracle Integration Adapters http://ow.ly/2sqiDy OracleBlogs ?Adapters, SOA Suite and More @Openworld 2012 http://ow.ly/2srdTg Eric Elzinga ?OSB, Service Callouts and OQL - Part 3, http://see.sc/JodzEx #oracleservicebus Donatas Valys interesting articles about soa industrialization to read #soa #industrialization http://it-republik.de/business-technology/bt-magazin-ausgaben/Industrialized-SOA-000516.html … gschmutz ?“@techsymp: 2012 Symposium Presentation Download Page Now Available! 75% of presentations published. http://www.servicetechsymposium.com ” find mine there.. Oracle BPM Customer Experience and BPM – From Efficiency to Engagement #bpm #oraclebpm #processmanagement #socialbpm http://pub.vitrue.com/Tahi SOA Community ?@soacommunity SOA Community Newsletter September 2012 http://wp.me/p10C8u-wa SOA Community again again again.... it is Oracle Open World 2012 http://wp.me/p10C8u-wk OracleBlogs ?SOA Proactive support http://ow.ly/2smrSJ demed ?@gschmutz on NoSQL at @techsymp http://lockerz.com/s/247601661 demed ?Just finished "#BigData and its impact on #SOA" talk @techsymp. Really enjoyed getting out of beaten path. #london #oep http://lockerz.com/s/247636974 OTNArchBeat ?Need help selling SOA to business stakeholders? Give them this free eBook. #soasuite http://pub.vitrue.com/hsQY SOA Community top Tweets SOA Partner Community &ndash; September 2012 http://wp.me/p10C8u-vc SOA Community Move Data into the grid for scalable, predictable response times http://wp.me/p10C8u-vv ServiceTechSymposium ?The September issue of the Service Technology Magazine is now published with six new items! Read them at http://www.servicetechmag.com Marc ?Reviewed @Packt_OracleFMW new book on SOA11g administration! Very good ! http://tinyurl.com/8pzd5ww SOA Community ?BPM Solution Catalogue&ndash;promote your process templates http://wp.me/p10C8u-vt OTNArchBeat ?BPM ADF Task forms: Checking whether the current user is in a BPM Swimlane | @ChrisKarlChan http://pub.vitrue.com/aPMG OTNArchBeat ?Cloud, automation drive new growth in SOA governance market | @JoeMcKendrick http://pub.vitrue.com/hNPv Simon Haslam ?Looking for "oak style"(!) advanced content but you're a middleware specialist? See #ukoug2012 #middlewaresunday http://2012.ukoug.org/default.asp?p=9355 … Simon Haslam ?The #ukoug2012 agenda is "go, go, go!" (as Murray would say!) http://2012.ukoug.org/agendagrid Germán Gazzoni SOA Spezial II verfügbar – Industralized SOA: Die überarbeitete und ergänzte Neuauflage des SOA Spezial Sonderhe... http://bit.ly/PAWwN9 Oracle SOA ?Flip thru new interactive "Oracle SOA Suite eBook-In the Customers Words" #middleware #soa #oraclesoa http://pub.vitrue.com/NzFZ SOA Community Follow SOA Community on Facebook http://www.facebook.com/soacommunity #soacommunity #opn SOA & BPM Partner Community For regular information on Oracle SOA Suite become a member in the SOA & BPM Partner Community for registration please visit  www.oracle.com/goto/emea/soa (OPN account required) If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Mix Forum Technorati Tags: SOA Community twitter,SOA Community,Oracle SOA,Oracle BPM,BPM Community,OPN,Jürgen Kress

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  • ODBC and Excel (2 replies)

    Hello, I am using the following connection to Query and Excel Spreadsheet: AConnectionString &quot;Driver {Microsoft Excel Driver (*.xls)};DriverId 790;Dbq &quot; &amp; ofdSelectFile.FileName &amp; &quot;;DefaultDir c:\;&quot; ASourceConnection New Odbc.OdbcConnection(AConnectionString) Dim ADataAdapter as new odbc.odbcDataAdapter(&quot;SELECT * FROM $Sheet1&quot;, ASourceConnection) ADataAdapter.Fill(MyDataset) This works Great, howe...

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  • Back from Russia

    - by Latest Microsoft Blogs
    Thanks everyone who came to my talks on ASP.NET Web Forms and MVC in Moscow last week! Here are the slide decks and demo code for the two talks (You need Visual Studio 2010): What’s New in ASP.NET MVC 2? What’s New in ASP.NET 4 Web Forms? I had a great Read More......(read more)

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  • E 2.0 Value Metaphors

    - by Tom Tonkin
    I guess I have been doing this too long. I can easily see the value of Enterprise 2.0 technology for an organization, but find it a challenge at times to convey that same value to others. I also know that I'm not the only one that has that issue. Others, that have that same passion, also suffer from being, perhaps, too close to the market. I was having this same discussion with a few colleagues when one of them suggested that metaphors might be a good vehicle to communicate the value to those that are not as familiar.  One such metaphor was discussed.Apparently,back in the early 50's, there was a great Air Force aviator and military strategist by the name of John Boyd.  Without going into a ton of detail (you can search him on the internet), what made Colonel Boyd great was that he never lost a dog fight.  As a matter of fact, they called him 'Forty-Second Boyd' since he claimed to be able to beat anyone in any type of aircraft in less than forty seconds, even if his aircraft was inferior to his opponents.His approach as was unique.  He observed over time that there was a pattern on how aviators  engaged in a dogfight.  He called this method OODA.   It describes how a person or, in our case, an organization, would react to an event.  OODA is an acrostic for Observation, Orientation, Decision and Action.  Again, there is a lot more on the internet about this.A pilot would go through this loop several times during a dogfight and Boyd would try to predict this loop and interrupt it by changing the landscape of the actual dogfight.  This would give Boyd an advantage and be able to predict what his opponent would do and then counterattack.Boyd went on to say that many companies have a similar reaction loop and that by understanding that loop, organizations would be able to adjust better to market conditions, predict what the competition is doing and reposition themselves to gain competitive advantages. So, our metaphor would be that Enterprise 2.0 provides companies greater visibility of their business by connecting to employees, customers and partners in a collaborative fashion.  This, in turn, helps them navigate through the tough times and provide lines of sight to more innovative ideas.  Innovation is that last tool for companies to achieve competitive advantage (maybe a discusion for another post).Perhaps this is more wordy than some other metaphor, but it does allow for an interesting  dialogue to start and maybe even a framwork to fullfill the promise of E 2.0. So, I'm sure there are many more metaphors for the value that E 2.0 brings to organzaitons. Do you have one to share? Please comment below and thanks for stopping by.

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  • ODBC and Excel (2 replies)

    Hello, I am using the following connection to Query and Excel Spreadsheet: AConnectionString &quot;Driver {Microsoft Excel Driver (*.xls)};DriverId 790;Dbq &quot; &amp; ofdSelectFile.FileName &amp; &quot;;DefaultDir c:\;&quot; ASourceConnection New Odbc.OdbcConnection(AConnectionString) Dim ADataAdapter as new odbc.odbcDataAdapter(&quot;SELECT * FROM $Sheet1&quot;, ASourceConnection) ADataAdapter.Fill(MyDataset) This works Great, howe...

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  • Cartoon Games and Arcade Games SEO Part 2

    Now students, today we will be talking about SEO. But not just some regular, plain, old SEO. I'm talking arcades here, and that means we gotta put a little spin on it and change things up just a bit. Isn't that exciting! Learning new techniques are great, so let's start.

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  • Too Many Kittens To Juggle At Once

    - by Bil Simser
    Ahh, the Internet. That crazy, mixed up place where one tweet turns into a conversation between dozens of people and spawns a blogpost. This is the direct result of such an event this morning. It started innocently enough, with this: Then followed up by a blog post by Joel here. In the post, Joel introduces us to the term Business Solutions Architect with mad skillz like InfoPath, Access Services, Excel Services, building Workflows, and SSRS report creation, all while meeting the business needs of users in a SharePoint environment. I somewhat disagreed with Joel that this really wasn’t a new role (at least IMHO) and that a good Architect or BA should really be doing this job. As Joel pointed out when you’re building a SharePoint team this kind of role is often overlooked. Engineers might be able to build workflows but is the right workflow for the right problem? Michael Pisarek wrote about a SharePoint Business Architect a few months ago and it’s a pretty solid assessment. Again, I argue you really shouldn’t be looking for roles that don’t exist and I don’t suggest anyone create roles to hire people to fill them. That’s basically creating a solution looking for problems. Michael’s article does have some great points if you’re lost in the quagmire of SharePoint duties though (and I especially like John Ross’ quote “The coolest shit is worthless if it doesn’t meet business needs”). SharePoinTony summed it up nicely with “SharePoint Solutions knowledge is both lacking and underrated in most environments. Roles help”. Having someone on the team who can dance between a business user and a coder can be difficult. Remember the idea of telling something to someone and them passing it on to the next person. By the time the story comes round the circle it’s a shadow of it’s former self with little resemblance to the original tale. This is very much business requirements as they’re told by the user to a business analyst, written down on paper, read by an architect, tuned into a solution plan, and implemented by a developer. Transformations between what was said, what was heard, what was written down, and what was developed can be distant cousins. Not everyone has the skill of communication and even less have negotiation skills to suit the SharePoint platform. Negotiation is important because not everything can be (or should be) done in SharePoint. Sometimes it’s just not appropriate to build it on the SharePoint platform but someone needs to know enough about the platform and what limitations it might have, then communicate that (and/or negotiate) with a customer or user so it’s not about “You can’t have this” to “Let’s try it this way”. Visualize the possible instead of denying the impossible. So what is the right SharePoint team? My cromag brain came with a fairly simpleton answer (and I’m sure people will just say this is a cop-out). The perfect SharePoint team is just enough people to do the job that know the technology and business problem they’re solving. Bridge the gap between business need and technology platform and you have an architect. Communicate the needs of the business effectively so the entire team understands it and you have a business analyst. Can you get this with full time workers? Maybe but don’t expect miracles out of the gate. Also don’t take a consultant’s word as gospel. Some consultants just don’t have the diversity of the SharePoint platform to be worth their value so be careful. You really need someone who knows enough about SharePoint to be able to validate a consultants knowledge level. This is basically try for any consultant, not just a SharePoint one. Specialization is good and needed. A good, well-balanced SharePoint team is one of people that can solve problems with work with the technology, not against it. Having a top developer is great, but don’t rely on them to solve world hunger if they can’t communicate very well with users. An expert business analyst might be great at gathering requirements so the entire team can understand them, but if it means building 100% custom solutions because they don’t fit inside the SharePoint boundaries isn’t of much value. Just repeat. There is no silver bullet. There is no silver bullet. There is no silver bullet. A few people pointed out Nick Inglis’ article Excluding The Information Professional In SharePoint. It’s a good read too and hits home that maybe some developers and IT pros need some extra help in the information space. If you’re in an organization that needs labels on people, come up with something everyone understands and go with it. If that’s Business Solutions Architect, SharePoint Advisor, or Guy Who Knows A Lot About Portals, make it work for you. We all wish that one person could master all that is SharePoint but we also know that doesn’t scale very well and you quickly get into the hit-by-a-bus syndrome (with the organization coming to a full crawl when the guy or girl goes on vacation, gets sick, or pops out a baby). There are too many gaps in SharePoint knowledge to have any one person know it all and too many kittens to juggle all at once. We like to consider ourselves experts in our field, but trying to tackle too many roles at once and we end up being mediocre jack of all trades, master of none. Don't fall into this pit. It's a deep, dark hole you don't want to try to claw your way out of. Trust me. Been there. Done that. Got the t-shirt. In the end I don’t disagree with Joel. SharePoint is a beast and not something that should be taken on by newbies. If you just read “Teach Yourself SharePoint in 24 Hours” and want to go build your corporate intranet or the next killer business solution with all your new found knowledge plan to pony up consultant dollars a few months later when everything goes to Hell in a handbasket and falls over. I’m not saying don’t build solutions in SharePoint. I’m just saying that building effective ones takes skill like any craft and not something you can just cobble together with a little bit of cursory knowledge. Thanks to *everyone* who participated in this tweet rush. It was fun and educational.

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  • Robotic Arm &ndash; Hardware

    - by Szymon Kobalczyk
    This is first in series of articles about project I've been building  in my spare time since last Summer. Actually it all began when I was researching a topic of modeling human motion kinematics in order to create gesture recognition library for Kinect. This ties heavily into motion theory of robotic manipulators so I also glanced at some designs of robotic arms. Somehow I stumbled upon this cool looking open source robotic arm: It was featured on Thingiverse and published by user jjshortcut (Jan-Jaap). Since for some time I got hooked on toying with microcontrollers, robots and other electronics, I decided to give it a try and build it myself. In this post I will describe the hardware build of the arm and in later posts I will be writing about the software to control it. Another reason to build the arm myself was the cost factor. Even small commercial robotic arms are quite expensive – products from Lynxmotion and Dagu look great but both cost around USD $300 (actually there is one cheap arm available but it looks more like a toy to me). In comparison this design is quite cheap. It uses seven hobby grade servos and even the cheapest ones should work fine. The structure is build from a set of laser cut parts connected with few metal spacers (15mm and 47mm) and lots of M3 screws. Other than that you’d only need a microcontroller board to drive the servos. So in total it comes a lot cheaper to build it yourself than buy an of the shelf robotic arm. Oh, and if you don’t like this one there are few more robotic arm projects at Thingiverse (including one by oomlout). Laser cut parts Some time ago I’ve build another robot using laser cut parts so I knew the process already. You can grab the design files in both DXF and EPS format from Thingiverse, and there are also 3D models of each part in STL. Actually the design is split into a second project for the mini servo gripper (there is also a standard servo version available but it won’t fit this arm).  I wanted to make some small adjustments, layout, and add measurements to the parts before sending it for cutting. I’ve looked at some free 2D CAD programs, and finally did all this work using QCad 3 Beta with worked great for me (I also tried LibreCAD but it didn’t work that well). All parts are cut from 4 mm thick material. Because I was worried that acrylic is too fragile and might break, I also ordered another set cut from plywood. In the end I build it from plywood because it was easier to glue (I was told acrylic requires a special glue). Btw. I found a great laser cutter service in Kraków and highly recommend it (www.ebbox.com.pl). It cost me only USD $26 for both sets ($16 acrylic + $10 plywood). Metal parts I bought all the M3 screws and nuts at local hardware store. Make sure to look for nylon lock (nyloc) nuts for the gripper because otherwise it unscrews and comes apart quickly. I couldn’t find local store with metal spacers and had to order them online (you’d need 11 x 47mm and 3 x 15mm). I think I paid less than USD $10 for all metal parts. Servos This arm uses five standards size servos to drive the arm itself, and two micro servos are used on the gripper. Author of the project used Modelcraft RS-2 Servo and Modelcraft ES-05 HT Servo. I had two Futaba S3001 servos laying around, and ordered additional TowerPro SG-5010 standard size servos and TowerPro SG90 micro servos. However it turned out that the SG90 won’t fit in the gripper so I had to replace it with a slightly smaller E-Sky EK2-0508 micro servo. Later it also turned out that Futaba servos make some strange noise while working so I swapped one with TowerPro SG-5010 which has higher torque (8kg / cm). I’ve also bought three servo extension cables. All servos cost me USD $45. Assembly The build process is not difficult but you need to think carefully about order of assembling it. You can do the base and upper arm first. Because two servos in the base are close together you need to put first with one piece of lower arm already connected before you put the second servo. Then you connect the upper arm and finally put the second piece of lower arm to hold it together. Gripper and base require some gluing so think it through too. Make sure to look closely at all the photos on Thingiverse (also other people copies) and read additional posts on jjshortcust’s blog: My mini servo grippers and completed robotic arm  Multiply the robotic arm and electronics Here is also Rob’s copy cut from aluminum My assembled arm looks like this – I think it turned out really nice: Servo controller board The last piece of hardware I needed was an electronic board that would take command from PC and drive all seven servos. I could probably use Arduino for this task, and in fact there are several Arduino servo shields available (for example from Adafruit or Renbotics).  However one problem is that most support only up to six servos, and second that their accuracy is limited by Arduino’s timer frequency. So instead I looked for dedicated servo controller and found a series of Maestro boards from Pololu. I picked the Pololu Mini Maestro 12-Channel USB Servo Controller. It has many nice features including native USB connection, high resolution pulses (0.25µs) with no jitter, built-in speed and acceleration control, and even scripting capability. Another cool feature is that besides servo control, each channel can be configured as either general input or output. So far I’m using seven channels so I still have five available to connect some sensors (for example distance sensor mounted on gripper might be useful). And last but important factor was that they have SDK in .NET – what more I could wish for! The board itself is very small – half of the size of Tic-Tac box. I picked one for about USD $35 in this store. Perhaps another good alternative would be the Phidgets Advanced Servo 8-Motor – but it is significantly more expensive at USD $87.30. The Maestro Controller Driver and Software package includes Maestro Control Center program with lets you immediately configure the board. For each servo I first figured out their move range and set the min/max limits. I played with setting the speed an acceleration values as well. Big issue for me was that there are two servos that control position of lower arm (shoulder joint), and both have to be moved at the same time. This is where the scripting feature of Pololu board turned out very helpful. I wrote a script that synchronizes position of second servo with first one – so now I only need to move one servo and other will follow automatically. This turned out tricky because I couldn’t find simple offset mapping of the move range for each servo – I had to divide it into several sub-ranges and map each individually. The scripting language is bit assembler-like but gets the job done. And there is even a runtime debugging and stack view available. Altogether I’m very happy with the Pololu Mini Maestro Servo Controller, and with this final piece I completed the build and was able to move my arm from the Meastro Control program.   The total cost of my robotic arm was: $10 laser cut parts $10 metal parts $45 servos $35 servo controller ----------------------- $100 total So here you have all the information about the hardware. In next post I’ll start talking about the software that I wrote in Microsoft Robotics Developer Studio 4. Stay tuned!

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  • Silverlight Death Trolls Dancing on XAML&rsquo;s Grave

    - by D'Arcy Lussier
    I’m starting to see a whole bunch of tweets and blog posts on how Silverlight/WPF is dead, or how the XAML team has been disbanded at Microsoft, or how someone predicted Silverlight would die, blah blah blah. They all have a similar ring to it though: “Told ya so!” “They were stupid ideas anyway!” “Serves Microsoft right, boy are they dumb!” Let me tell you something, all those that are gleefully raving about Silverlight/WPF’s demise are nothing more than death trolls. Let’s assume that everything out there is true. Microsoft is obviously moving towards HTML 5 in a huge way (TechCrunch pointed out that SkyDrive has replaced its Silverlight based version with an HTML 5 one), and not just on the web as we’ve seen with recent announcements about how HTML 5 apps will be natively supported on Windows 8. WPF never caught on in the marketplace, regardless of its superior technology offering to Winforms. And Silverlight…well, it gave Flash a good run for its money, but plug-in based web applications are becoming passé in light of HTML 5. (It’s interesting that at a developer conference I put on just a few weeks ago, only 1 out of 60+ sessions included Silverlight. 5 focussed on HTML 5.) So what does this *death* of Silverlight/WPF/XAML mean then in the grand scheme of things (again, assuming that they truly *are* dying/dead)? Well, nothing really…at least nothing bad. Silverlight has given us some fantastic applications and experiences (Vancouver Olympics anyone?), and WP7 couldn’t have launched without Silverlight as its development platform. And WPF, although it had putrid adoption, has had some great success stories. A Canadian company that I talked to recently showed me how they re-wrote their point-of-sale application entirely in WPF, and the product is a huge success providing features their competitors aren’t. Arguably (and I say that only because I know I’m going to get WTF comments for this), VS.NET 2010 is a great example of what a WPF app can provide over previous C++ based applications. Technologies evolve. In a decade we’ve had 5 versions of the .NET framework, seen languages like J# come and go, seen F# appear, see communications layers change with WCF, seen EF go through multiple evolutions and traditional ADO.NET Datasets go extinct (from actual use anyway), and ASP.NET Webforms be replaced with ASP.NET MVC as a preferred web platform. Is Silverlight and WPF done? Maybe…probably?…thing is, it doesn’t really affect me personally in any way, or you…so why would we care if its gets replaced with something better and more robust that we can build better solutions with? Just remember the golden rule: don’t feed the trolls.

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  • Silverlight Cream for May 17, 2010 -- #863

    - by Dave Campbell
    In this Issue: Christian Schormann, Vladimir Bodurov, Pete Brown, Justin Angel, John Papa(-2-), Fons Sonnemans, Miroslav Miroslavov, and Jeremy Likness. Shoutouts: Jeff Brand has been doing WP7 presentations and posted Windows Phone 7 Presentation and Sample Code Mark Tucker posted about his Windows Phone 7 Presentation at Desert Code Camp 2010 John Allwright discusses 4 New case Studies on Silverlight at the Winter Olympics From SilverlightCream.com: New Video by Jon Harris: Blend 4 for Windows Phone in 90 Seconds Christian Schormann is discussing a second 90-second Expression Blend video tutorial by Jon Harris... this second one is about Blend 4 for WP7. XmlCodeEditor – Silverlight 4 control for editing XML and HTML on the browser Vladimir Bodurov has a post up extending the RichTextBox control to add coloring for HTML and XAML ... it colors as you type, and he plans on adding Intellisense! Creating a Simple Report Writer in Silverlight 4 While working on his book, Pete Brown decided to share some Silverlight 'Report Writer' work with us... check out that list of goals near the top that are all met... looks great to me! Windows Phone 7 - Unlocked ROMs Justin Angel has a good long post about a subject I've stayed away from until now that someone of Justin's level of knowledge has approached it: WP7 ROMs. Silverlight 4 Tools for Visual Studio 2010 Launch: New Designer Capabilities (Silverlight TV 27) John Papa has Silverlight TV 27 up today and is talking about the Silverlight 4 Tools for VS2010 launch with Mark Wilson-Thomas ... the video would be a great place to pick up some of the new features (hint, hint) WCF RIA Services v1.0 Launch! (Silverlight TV 28) John Papa also has Silverlight TV 28 up, talking with Nikhil Kothari and Dinesh Kulkarni about the v 1.0 release of WCF RIA Services. RightMouseTrigger Fons Sonnemans updated his MineSweeper game and has it posted at Silver Arcade, this version supports right mouse click via RightMouseTrigger code that he is sharing. Smoke effect The 'Smoke Effect' menus at the CompleteIT site are awesome, and this time out, Miroslav Miroslavov discusses how that was done and gives up the code...! WebClient and DeploymentCatalog gotchas in Silverlight OOB Jeremy Likness has a post up to give you some relief if you hit the same MEF/Silverlight gotcha he did when running OOB... like not running in OOB for instance. 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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  • Awesome Serenity (Firefly) – My Little Pony Movie Trailer Mashup [Video]

    - by Asian Angel
    Recently we featured an awesome Watchmen – My Little Pony mashup and today we are back with another great movie trailer mixer. This latest mashup video from BronyVids once again features the ever popular ponies and the movie trailer from the 2005 movie Serenity. Just for fun here is the original Serenity trailer that the video above is based on. My Little Serenity [via Geeks are Sexy] Serenity (2005) Trailer 1080p HD [YouTube] How To Encrypt Your Cloud-Based Drive with BoxcryptorHTG Explains: Photography with Film-Based CamerasHow to Clean Your Dirty Smartphone (Without Breaking Something)

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  • Emulation of windows sucks on Linux

    <b>Technology & Life Integration:</b> "Nevertheless there are a great many windows programs which run quite well, sometimes better, using the WINE developed libraries. Yet I sometimes wonder if it is too little too late."

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  • Introduction to Lean Software Development and Kanban Systems – Defer Commitment and Decide As Late A

    - by Ben Griswold
    In this post, we’ll continue the series by concentrating on Principle #4: Defer Commitment and Decide As Late As Possible.   In the next part of the series, we’ll dive into Principle #5: Deliver As Fast As Possible. And I am going to be a little obnoxious about listing my Lean and Kanban references with every series post.  The references are great and they deserve this sort of attention.  

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  • Service Broker Solutions - Don't Forget the Basics

    - by AllenMWhite
    After finally getting a Service Broker solution implemented successfully, I'm really impressed with the technology, and frustrated how difficult it can be to implement and get it really working as expected. First, understand the technology. There are some great resources out there to help you get started. The first place to go is Klaus Aschenbrenner's book, the one that Greg Low reviewed this past week. It's an amazing resource and played a large part in my success. (I bought it for my Kindle, and...(read more)

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