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• Webcast: Extreme Analytics Without Limits

  - by Rob Reynolds

  Event Date: November 8, 2012 Event Time: 1 p.m. PT / 4 p.m. ET If you are a current Oracle Business Intelligence Applications customer, or thinking about implementing the BI Apps, please join us for this Webcast to learn how the combination of Oracle Exalytics In- Memory Machine and Oracle’s market leading analytic applications enables you to go beyond the traditional boundaries of data analysis and get the insight you need from massive volumes of data – all at the speed of thought. See how you can benefit from running your analytic applications on Oracle Exalytics to: Lower TCO Improve Operational Decision Making and Enhance Competitive Advantage Deliver Speed-of-thought Analysis – Anytime, Anywhere Click here to register.

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• What is the ideal file size for a web page? [closed]

  - by Rob

  Possible Duplicate: Is there a maximum size that web pages should be kept under? What is the ideal file size for a web page? Specifically when it comes to image sizes, what's the total file size for a webpage which includes several images. I tend to compress images down as much as possible before it starts to visually lose quality. We run several CMS website's and the clients tend to ask this question a lot! I'd love to hear another view on it.

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• No Mouse Pointer - ubuntu 13.10

  - by Paul

  just installed 13.10 on my HP Envy M6 laptop and have no mouse pointer. My USB mouse does not work and neither does the track pad. When I booted from a USB key everything worked OK but once installed it seems to have broken the mouse. Unlike other posts, there is no flicker, it simply doesn't work at all. My laptop is an i5 with 6gb and dual Intel and AMD radeon graphics. Any help would be gratefully received as I really can't stand Windows 8 any longer. Thanks.

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• Good places to submit a business profile?

  - by Rob

  We have a new graphic/web design site that we've created and we'd like to give it a boost in terms of back links. What are the obvious places to submit a website to achieve some good back links? And what would be the recurring work load (if any) that those back links would need? Are there any good industry specific websites we could submit a profile to? E.g Twitter, would need constant interaction and new content with back links to the website. UPDATE: I've always felt it's worth it but after several years trying to submit different websites, I've never successfully managed to get a site into DMOZ!!

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• Cookie Settings Storage Method

  - by Paul

  I've got an web app that needs to store some non-sensitive preferences for the user. Right now I'm storing their language preference and what mode they want a window opened in by default in two cookies: "lang" can be "en" or "de" "mode" can be "design" or "view" I might add a few more in the future. I'm not sure how many, but probably never more than a dozen. Language is parsed on every request, whereas the mode cookie is only used occasionally. I saw a recommendation that made sense I shouldn't try to do what I was originally planning to do and strongly type a user settings class deserialized on each request because of the overhead involved. I see three options here and I'm not sure which is the best overall. Keep things as they are, add a new cookie for each new setting Combine the cookies into a single settings cookie and add future values to it Change the mode cookie to settings (leaving language alone), add new user settings values to the settings cookie All would work obviously. I'm leaning toward option three, but I'm not sure if there's a best practice for this?

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• ASIHttpRequest problems. "unrecognized selector sent to instance"

  - by Paul Peelen

  Hi, I am experiencing problems using ASIHttpRequst. This is the error I get: 2010-04-11 20:47:08.176 citybikesPlus[5885:207] *** -[CALayer rackDone:]: unrecognized selector sent to instance 0x464a890 2010-04-11 20:47:08.176 citybikesPlus[5885:207] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** -[CALayer rackDone:]: unrecognized selector sent to instance 0x464a890' 2010-04-11 20:47:08.176 citybikesPlus[5885:207] Stack: ( 33936475, 2546353417, 34318395, 33887862, 33740482, 126399, 445238, 33720545, 33717320, 40085013, 40085210, 3108783, 11168, 11022 ) And this is my code (Part of it): // Implement viewDidLoad to do additional setup after loading the view, typically from a nib. - (void)viewDidLoad { [image setImage:[UIImage imageNamed:@"bullet_rack.png"]]; BikeAnnotation *bike = [[annotationView annotation] retain]; bike._sub = @""; [super viewDidLoad]; NSString *newUrl = [[NSString alloc] initWithFormat:rackUrl, bike._id]; NSString *fetchUrl = [newUrl stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]; [networkQueue cancelAllOperations]; [networkQueue setRequestDidFinishSelector:@selector(rackDone:)]; [networkQueue setRequestDidFailSelector:@selector(processFailed:)]; [networkQueue setDelegate:self]; ASIFormDataRequest *request = [[[ASIFormDataRequest alloc] initWithURL:[NSURL URLWithString:fetchUrl]] retain]; [request setDefaultResponseEncoding:NSUTF8StringEncoding]; [networkQueue addOperation:request]; [networkQueue go]; } - (void)rackDone:(ASIHTTPRequest *)request { NSString *resultSearch = [request responseString]; NSData *data = [resultSearch dataUsingEncoding:NSUTF8StringEncoding]; NSString *errorDesc = nil; NSPropertyListFormat format; NSDictionary * dict = (NSDictionary*)[NSPropertyListSerialization propertyListFromData:data mutabilityOption:NSPropertyListMutableContainersAndLeaves format:&format errorDescription:&errorDesc]; rackXmlResult* fileResult = [[[rackXmlResult alloc] initWithDictionary:dict] autorelease]; rackXmlSet *rackSet = [fileResult getRackResult]; NSString *subString = [[NSString alloc] initWithFormat:@"Cyklar tillgängligt: %@ -- Lediga platser: %@", rackSet._ready_bikes, rackSet._empty_locks]; [activity setHidden:YES]; [image setHidden:NO]; BikeAnnotation *bike = [annotationView annotation]; bike._sub = subString; } - (void) processFailed:(ASIHTTPRequest *)request { UIAlertView *errorView; NSError *error = [request error]; NSString *errorString = [error localizedDescription]; errorView = [[UIAlertView alloc] initWithTitle: NSLocalizedString(@"Network error", @"Network error") message: errorString delegate: self cancelButtonTitle: NSLocalizedString(@"Close", @"Network error") otherButtonTitles: nil]; [errorView show]; [errorView autorelease]; } The process is loaded as LeftCalloutView in the callout bubble when annotations are loaded in my mapview, so quite a lot (80 times or so). It is meant to retrieve a XML Plist from a server, parse it and use the data... but it dies at the rackDone: Does anybody have any ideas? Regards, Paul Peelen

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• Potential issues using member's "from" address and the "sender" header

  - by Paul Burney

  Hi all, A major component of our application sends email to members on behalf of other members. Currently we set the "From" address to our system address and use a "Reply-to" header with the member's address. The issue is that replies from some email clients (and auto-replies/bounces) don't respect the "Reply-to" header so get sent to our system address, effectively sending them to a black hole. We're considering setting the "From" address to our member's address, and the "Sender" address to our system address. It appears this way would pass SPF and Sender-ID checks. Are there any reasons not to switch to this method? Are there any other potential issues? Thanks in advance, -Paul Here are way more details than you probably need: When the application was first developed, we just changed the "from" address to be that of the sending member as that was the common practice at the time (this was many years ago). We later changed that to have the "from" address be the member's name and our address, i.e., From: "Mary Smith" <[email protected]> With a "reply-to" header set to the member's address: Reply-To: "Mary Smith" <[email protected]> This helped with messages being mis-categorized as spam. As SPF became more popular, we added an additional header that would work in conjunction with our SPF records: Sender: <[email protected]> Things work OK, but it turns out that, in practice, some email clients and most MTA's don't respect the "Reply-To" header. Because of this, many members send messages to [email protected] instead of the desired member. So, I started envisioning various schemes to add data about the sender to the email headers or encode it in the "from" email address so that we could process the response and redirect appropriately. For example, From: "Mary Smith" <[email protected]> where the string after "messages" is a hash representing Mary Smith's member in our system. Of course, that path could lead to a lot of pain as we need to develop MTA functionality for our system address. I was looking again at the SPF documentation and found this page interesting: http://www.openspf.org/Best_Practices/Webgenerated They show two examples, that of evite.com and that of egreetings.com. Basically, evite.com is doing it the way we're doing it. The egreetings.com example uses the member's from address with an added "Sender" header. So the question is, are there any potential issues with using the egreetings method of the member's from address with a sender header? That would eliminate the replies that bad clients send to the system address. I don't believe that it solves the bounce/vacation/whitelist issue since those often send to the MAIL FROM even if Return Path is specified.

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• asp.net Multiple Page_Load events for a user control when using URL Routing

  - by Paul Hutson

  Hello, I've recently set up an ASP.net site (not using MVC.net) to use URL Routing (more on the code below) - when using user controls on the site (i.e I've created a "menu" user control to hold menu information) the page_load event for that control will fire twice when URLs have more than one variable passed over. i.e. pageName/VAR1 : will only fire the page_load event once. while pageName/VAR1/VAR2 : will fire the page_load event twice. *Multiple extra VARs added on the end will still only fire the page_load event twice*. Below are the code snippits from the files, the first is the MapPageRoute, located in the Global.asax : // Register a route for the Example page, with the NodeID and also the Test123 variables allowed. // This demonstrates how to have several items linked with the page routes. routes.MapPageRoute( "Multiple Data Example", // Route name "Example/{NodeID}/{test123}/{variable}", // Route URL - note the NodeID bit "~/Example.aspx", // Web page to handle route true, // Check for physical access new System.Web.Routing.RouteValueDictionary { { "NodeID", "1" }, // Default Node ID { "test123", "1" }, // Default addtional variable value { "variable", "hello"} // Default test variable value } ); Next is the way I've directed to the page in the menu item, this is a list item within a UL tag : <li class="TopMenu_ListItem"><a href="<%= Page.GetRouteUrl("Multiple Data Example", new System.Web.Routing.RouteValueDictionary { { "NodeID", "4855" }, { "test123", "2" } }) %>">Example 2</a></li> And finally the control that gets hit multiple times on a page load : // For use when the page loads. protected void Page_Load(object sender, EventArgs e) { // Handle the routing variables. // this handles the route data value for NodeID - if the page was reached using URL Routing. if (Page.RouteData.Values["NodeID"] != null) { nodeID = Page.RouteData.Values["NodeID"] as string; }; // this handles the route data value for Test123 - if the page was reached using URL Routing. if (Page.RouteData.Values["Test123"] != null) { ExampleOutput2.Text = "I am the output of the third variable : " + Page.RouteData.Values["Test123"] as string; }; // this handles the route data value for variable - if the page was reached using URL Routing. if (Page.RouteData.Values["variable"] != null) { ExampleOutput3.Text = "I say " + Page.RouteData.Values["variable"] as string; }; } Note, that when I'm just hitting the page and it uses the default values for items, the reloads do not happen. Any help or guidance that anyone can offer would be very much appreciated! EDIT : The User Control is only added to the page once. I've tested the load sequence by putting a breakpoint in the page_load event - it only hits twice when the extra routes are added. Thanks in Advance, Paul Hutson

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• Silverlight Cream for February 09, 2011 -- #1044

  - by Dave Campbell

  In this Issue: Vikas, Tony Champion, Peter Kuhn, Ollie Riches, Rich Griffin, Rob Eisenberg, Andrea Boschin, Rudi Grobler(-2-), Jesse Liberty, Dan Wahlin, Roberto Sonnino, Deborah Kurata. Above the Fold: Silverlight: "Silverlight double click event" Vikas WP7: "Logging in Silverlight and WP7 with MVVM Light" Tony Champion XNA: "XNA for Silverlight developers: Part 3 - Animation (transforms)" Peter Kuhn Shoutouts: Vikas deserves congratulations for passing the beta Silverlight 4 exam, but in the process he has a great list of resources to help you do the same: Exam 70-506 ( TS: Silverlight 4, Development ) From SilverlightCream.com: Silverlight double click event Vikas demonstrates 3 ways to come up with a double-click in Silverlight: Timer, Rx Framework, and Behavior with code for each. Logging in Silverlight and WP7 with MVVM Light Tony Champion is discussing logging... and since he finds himself doing it in every project, he's setting up an extensible solution he can reuse and is doing so with MVVMLight XNA for Silverlight developers: Part 3 - Animation (transforms) Peter Kuhn has part 3 of his XNA for WP7 series up at SilverlightShow. In this 3rd tutorial, Peter is discussing animation with Transformations.... remember... this is XNA! WP7Contrib: Location Push Model Ollie Riches posts from the WP7C and discusses how they provide an interface for location service by abstracting away the GeoCoordinateWatcher class and provide a clean push model using the IObservable as the return types for all variants. WP7 Contrib – When messaging becomes messy and services shine Rich Griffin pulls another post up from WP7C where he discusses swapping out using Service Styles rather than Messenger Styles... in his words "when we start getting friction trying to bend the framework api to do something that it was not really meant for its time to use something [that] solves the problem better" Herding Code 104: Rob Eisenberg on Caliburn Micro Rob Eisenberg is interviewed on the latest Herding Code, talking about his baby, Caliburn Micro, and tons of other stuff as well... just check out the list of links generated for this show. Windows Phone 7 - Part #4: The application lifecycle Andrea Boschin has part 4 of his WP7 tutorial series up at SilverlightShow... In this tutorial he does a complete run-down the the WP7 Application Life-Cycle Simple Error Reporting on WP7 Rudi Grobler has a code snippet up that, with the end-user's permission of course, emails problem reports back to you... very cool idea. Simple Error Reporting on WP7 REDUX Rudi Grobler demonstrates using the Coding4Fun toolkit to display an exception prompt to the user... and then possibly email the report to you..see Rudi's other post on that. Creating An Application Bar–Don’t Panic In his latest (number 31) WP7 From Scratch episode, Jesse Liberty takes on the ApplicationBar, and uses Blend to get the job done easier. Syncing Data with a Server using Silverlight and HTTP Polling Duplex Dan Wahlin revisits some older posts of his about Push technologies in Silverlight, and provides some great insight (and code) into Http Polling Duplex Quick WPF/Silverlight tips to make great videos of your apps Roberto Sonnino has some great tips on making awesome videos of your WPF or Silverlight app. Simple Silverlight MVVM Base Class Deborah Kurata has her take at a good MVVM base class as the subject of her latest post... good points and good code. 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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• SQLUG Events - London/Edinburgh/Cardiff/Reading - Masterclass, NoSQL, TSQL Gotcha's, Replication, BI

  - by tonyrogerson

  We have acquired two additional tickets to attend the SQL Server Master Class with Paul Randal and Kimberly Tripp next Thurs (17th June), for a chance to win these coveted tickets email us ([email protected]) before 9pm this Sunday with the subject "MasterClass" - people previously entered need not worry - your still in with a chance. The winners will be announced Monday morning.As ever plenty going on physically, we've got dates for a stack of events in Manchester and Leeds, I'm looking at Birmingham if anybody has ideas? We are growing our online community with the Cuppa Corner section, to participate online remember to use the #sqlfaq twitter tag; for those wanting to get more involved in presenting and fancy trying it out we are always after people to do 1 - 5 minute SQL nuggets or Cuppa Corners (short presentations) at any of these User Group events - just email us [email protected] removing from this email list? Then just reply with remove please on the subject line.Kimberly Tripp and Paul Randal Master Class - Thurs, 17th June - LondonREGISTER NOW AND GET A SECOND REGISTRATION FREE*The top things YOU need to know about managing SQL Server - in one place, on one day - presented by two of the best SQL Server industry trainers!This one-day MasterClass will focus on many of the top issues companies face when implementing and maintaining a SQL Server-based solution. In the case where a company has no dedicated DBA, IT managers sometimes struggle to keep the data tier performing well and the data available. This can be especially troublesome when the development team is unfamiliar with the affect application design choices have on database performance.The Microsoft SQL Server MasterClass 2010 is presented by Paul S. Randal and Kimberly L. Tripp, two of the most experienced and respected people in the SQL Server world. Together they have over 30 years combined experience working with SQL Server in the field, and on the SQL Server product team itself. This is a unique opportunity to hear them present at a UK event which will:>> Debunk many of the ingrained misconceptions around SQL Server's behaviour >> Show you disaster recovery techniques critical to preserving your company's life-blood - the data >> Explain how a common application design pattern can wreak havoc in the database >> Walk through the top-10 points to follow around operations and maintenance for a well-performing and available data tier! Where: Radisson Edwardian Heathrow Hotel, LondonWhen: Thursday 17th June 2010*REGISTER TODAY AT www.regonline.co.uk/kimtrippsql on the registration form simply quote discount code: BOGOF for both yourself and your colleague and you will save 50% off each registration – that’s a 249 GBP saving! This offer is limited, book early to avoid disappointment.Wed, 23 JunREADINGEvening Meeting, More info and registerIntroduction to NoSQL (Not Only SQL) - Gavin Payne; T-SQL Gotcha's and how to avoid them - Ashwani Roy; Introduction to Recency Frequency - Tony Rogerson; Reporting Services - Tim LeungThu, 24 JunCARDIFFEvening Meeting, More info and registerAlex Whittles of Purple Frog Systems talks about Data warehouse design case studies, Other BI related session TBC Mon, 28 JunEDINBURGHEvening Meeting, More info and registerReplication (Components, Adminstration, Performance and Troubleshooting) - Neil Hambly Server Upgrades (Notes and Best practice from the field) - Satya Jayanty Wed, 14 JulLONDONEvening Meeting, More info and registerMeeting is being sponsored by DBSophic (http://www.dbsophic.com/download), database optimisation software. Physical Join Operators in SQL Server - Ami LevinWorkload Tuning - Ami LevinSQL Server and Disk IO (File Groups/Files, SSD's, Fusion-IO, In-RAM DB's, Fragmentation) - Tony RogersonComplex Event Processing - Allan MitchellMany thanks,Tony Rogerson, SQL Server MVPUK SQL Server User Grouphttp://sqlserverfaq.com"

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• Silverlight Cream for January 08, 2011 -- #1023

  - by Dave Campbell

  In this Heavy and yet incomplete Issue: Mike Wolf, Walter Ferrari, Colin Eberhardt, Mathew Charles, Don Burnett, Senthil Kumar, cherylws, Rob Miles, Derik Whittaker, Thomas Martinsen(-2-), Jason Ginchereau, Vishal Nayan, and WindowsPhoneGeek. Above the Fold: Silverlight: "Automatically Showing ToolTips on a Trimmed TextBlock (Silverlight)" Colin Eberhardt WP7: "Windows Phone Blue Book Pdf" Rob Miles Sharepoint/Silverlight: "Discover Sharepoint with Silverlight - Part 1" Walter Ferrari Shoutouts: Dave Isbitski has announced a WP7 Firestarter, check for your local MS office: Announcing the “Light up your Silverlight Applications for Windows 7 Firestarter” From SilverlightCream.com: Leveraging Silverlight in the USA TODAY Windows 7-Based Slate App Mike Wolf has a post up about Cynergy's release of the new USA TODAY software for Windows 7 Slate devices, and gives a great rundown of all the resources, and how specific Silverlight features were used... tons of outstanding external links here! Discover Sharepoint with Silverlight - Part 1 Walter Ferrari has tutorial up at SilverlightShow... looks like the first in a series on Silverlight and Sharepoint... lots of low-level info about the internals and using them. Automatically Showing ToolTips on a Trimmed TextBlock (Silverlight) Colin Eberhardt has a really cool AutoTooltip attached behavior that gives a tooltip of the actual text if text is trimmed ... and has an active demo on the post... very cool. RIA Services Output Caching Mathew Charles digs into a RIA feature that hasn't gotten any blog love: output caching, describing all the ins and outs of improving the performance of your app using caching. Emailing your Files to Box.net Cloud Storage with WP7 Don Burnett details out everything you need to do to get Box.Net and your WP7 setup to talk to each other. Shortcuts keys for Developing on Windows Phone 7 Emulator Senthil Kumar has some good WP7 posts up ... this one is a cheatsheet list of Function-key assignements for the WP7 emulator... another sidebar listint Windows Phone 7 Design Guidelines – Cheat Sheet cherylws has a great Guideline list/Cheat Sheet up for reference while building a WP7 app... this is a great reference... I'm adding it to the Right-hand sidebar of WynApse.com Windows Phone Blue Book Pdf Rob Miles has added another book and color to his collection of both -- Windows Phone Programming in C#, also known as the Windows Phone Blue Book... get a copy from the links he gives, and check out his other free books as well. Navigating to an external URL using the HyperlinkButton Derik Whittaker has a post up discussing the woes (and error messages) of trying to navigate to an external URL with the Hyperlink button in WP7, plus his MVVM-friendly solution that you can download. Set Source on Image from code in Silverlight Thomas Martinsen has a couple posts up... first is this quick one on the code required to set an image source. Show UI element based on authentication Thomas Martinsen's latest is one on a BoolToVisibilityConverter allowing a boolean indicator of Authentication to be used to control the visibility of a button (in the sample) WP7 ReorderListBox improvements: rearrange animations and more Jason Ginchereau has updated his ReorderListBox from last week to add some animations (fading/sliding) during the rearrangement. Navigation in Silverlight Without Using Navigation Framework Vishal Nayan has a post that attracted my attention... Navigation by manipulating RootVisual content... I've been knee-deep in similar code in Prism this week (and why my blogging is off) ... Creating a WP7 Custom Control in 7 Steps WindowsPhoneGeek creates a simple custom control for WP7 before your very eyes in his latest post, focusing on the minimum requirements necessary for writing a Custom Control. 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 12, 2011 -- #1025

  - by Dave Campbell

  In this Issue: Amyo Kabir, Rob Eisenberg, Doug Rathbone, John Papa, Jeff Blankenburg(-2-), Mike Taulty, Peter Kuhn, Laurent Bugnion, Vangos Pterneas, and Senthil Kumar. Above the Fold: Silverlight: "Silverlight Popup sample" Amyo Kabir WP7: "Navigation in a #WP7 application with MVVM Light" Laurent Bugnion XNA: "XNA for Silverlight developers: Part 0 - Why should I care?" Peter Kuhn Shoutouts: Mohamed Mosallem posted a video of an Expression Blend demo he gave recently: Expression Blend Demo Rob Eisenberg posted the winners of the Caliburn.Micro Contest he was running .. and a nice bunch of swag too! Announcing the Caliburn.Micro Contest Winners! Dan Moyer is a LightSwitch enthusiast and writes Why I Believe Visual Studio LightSwitch will be a Win... good well-thought-out and written take on Lightswitch. From SilverlightCream.com: Silverlight Popup sample Amyo Kabir has a post up that is short on description but long on demo and the code is available... put this in the 'a picture is worth 1,000 words category' :) Caliburn.Micro Soup to Nuts Part 7 - All About Conventions The 7th episode of Rob Eisenberg's tutorial series on Caliburn.Micro is up. This episode about some of the conventions that you get out-of-the-box with Caliburn.Micro, what it'll do for you, and how you can modify the behavior of the convention to suit your own taste/style. Two little tips for working with Silverlight chart DateTime Axes Doug Rathbone has been working with the Toolkit Charts for WP7 and finding it difficult to get the info he needs, and now that he's worked it out... he's sharing... particularly information about DateTimeAxis. Silverlight TV 56: WCF RIA Services and Azure The first Silverlight TV of 2011 was John Papa discussing WCF RIA Services and Azure with Saurabh Plant. What I Learned In WP7 – Issue 14 As usual, Jeff Blankenburg is a couple ahead of me... his Issue 14 is about some panorama trickery... like navigating to a specific place in one, or preventing wrapping. What I Learned In WP7 – Issue 15 In Jeff Blankenburg's latest WP7 post, he's sharing some interesting insight into Trial Mode and app sales... from the standpoint of someone selling apps. Blend Bits 20–Group Into Mike Taulty has Part 20 of his Blend Bits series up. This one is demonstrating grouping, and what all can be accomplished (or not) with grouping in Blend. XNA for Silverlight developers: Part 0 - Why should I care? Peter Kuhn has the beginning of a series on WP7 and XNA up at SilverlightShow... this looks to be a good intro and way to get your head wrapped around XNA on the phone. Navigation in a #WP7 application with MVVM Light Laurent Bugnion discusses WP7 navigation via MVVM Light, resolving many of the communication/navigation complexities you can get involved in without a tool like his. Motion detection in Silverlight Vangos Pterneas has a followup postto the one on facial detection... this one is on Motion Detection in Silverlight. If you've got a webcam hooked up, you can give a demo app a dance via a link he has in the post. Adding ApplicationBar in Windows Phone 7 using Expression Blend Senthil Kumar follows up a post about using VS to add an application bar to a WP7 app with this one using Expression Blend 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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• What 5 things should SQL Server get rid of?

  - by BuckWoody

  I’ve been “tagged” by my friend Paul Randal. It’s a high-tech way of making someone else do what you want, but since it’s Paul, well, I guess I’m OK with that. He’s asked in his recent blog entry “What five things would you get rid of in SQL Server if you were in charge?” This is, of course, a delicate issue. After all, I work at Microsoft, so anything I say here might be taken as a criticism that would require action – but of course it really doesn’t. Interestingly, you may have more to do with what goes in to SQL Server than I did even as a Program Manager where I “owned” a feature. Unlike many places I’ve worked, Microsoft really does drive its products by what its users want – not every time, and not every user request, mind you, but overall I think we hit the mark pretty well. So, with all of that said, and of course the obligatory statement of “these are my own opinions, and have nothing to do with any official Microsoft position in any way, and do not reflect the opinions of other Microsoft employees or management”, here goes. 1. Get rid of SQL Server Management Studio Does that surprise you? After all, when I was a Program Manager, I actually owned the general architecture for SSMS. But those on my team probably would have been able to guess this one for you. I think that SSMS is a fine development tool. But I think that it does less of a good job for managing a system. It’s based on Visual Studio, probably one of the best development IDE’s around. And when I develop code, I really like it. But for a monitoring/management tool, I prefer a snap-in to the Microsoft Management Console (MMC). I know, the old one (prior to 3.0) was kludgy, difficult to use and program in. But that’s changed. Of course, when I bring this up, you’ll probably immediately say “But I don’t have that in XP.” And that’s one of the reasons we didn’t go there. (But I still don’t like SSMS for management.) 2. ShrinkDB I think this discussion has been done to death, so I’ll leave it at that. 3. SQL Server Agent Does that one surprise you as well? In my mind, since we ALWAYS ride on Windows, just use the task scheduler there, along with PowerShell. You could log the results in Windows logs, files, back into SQL Server, whatever. It’s just a complexity we don’t need in SQL Server. 4. SQL Server Error Logs We have a full logging setup in Windows. They’re well done, easy to understand and ubiquitous. We should just use that. 5. Several SKU’s I won’t say which, but we have a few SKU’s of SQL Server that need to go. And we need to figure out how to help you understand clearly where you need to go to Enterprise or Data Center.  Most folks are trying to push Standard edition to do things it isn’t designed to do, and then they think SQL Server won’t scale. I think we can do a better job of showing you where Standard Edition will hit the wall, and I think with fewer choices it would be pretty simple for you to pick the right one. Well, once again I’ve probably puzzled some folks and angered others. I think my work here is done. :) Back to you, Paul. Share this post: email it! | bookmark it! | digg it! | reddit! | kick it! | live it!

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• SQL Syntax to count unique users completing a task

  - by Belliez

  I have the following code which shows me what users has completed ticket and this lists each user and the date they close a ticket. i.e. Paul Matt Matt Bob Matt Paul Matt Matt At the moment I manually count each user myself to see their totals for the day. EDIT: Changed output as columns instead of rows: What I have been trying to do is get SQL Server to do this for me i.e. the final result to look like: Paul | 2 Matt | 5 Bob | 1 My code I am currently using is and I would be greatful if someone can help me change this so I can get it outputting something similar to above? DECLARE @StartDate DateTime; DECLARE @EndDate DateTime; -- Date format: YYYY-MM-DD SET @StartDate = '2013-11-06 00:00:00' SET @EndDate = GETDATE() -- Today SELECT (select Username from Membership where UserId = Ticket.CompletedBy) as TicketStatusChangedBy FROM Ticket INNER JOIN TicketStatus ON Ticket.TicketStatusID = TicketStatus.TicketStatusID INNER JOIN Membership ON Ticket.CheckedInBy = Membership.UserId WHERE TicketStatus.TicketStatusName = 'Completed' and Ticket.ClosedDate >= @StartDate --(GETDATE() - 1) and Ticket.ClosedDate <= @EndDate --(GETDATE()-0) ORDER BY Ticket.CompletedBy ASC, Ticket.ClosedDate ASC Thank you for your help and time.

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• Aggregate survey results recursively by manager

  - by Ian Roke

  I have a StaffLookup table which looks like this. UserSrn | UserName | ManagerSrn =============================== ABC1 | Jerome | NULL ABC2 | Joe | ABC1 ABC3 | Paul | ABC2 ABC4 | Jack | ABC3 ABC5 | Daniel | ABC3 ABC6 | David | ABC2 ABC7 | Ian | ABC6 ABC8 | Helen | ABC6 The staff structure looks like this. |- Jerome | |- Joe || ||- Paul ||| |||- Jack ||| |||- Daniel || ||- David ||| |||- Ian ||| |||- Helen I have a list of SurveyResponses that looks like this. UserSrn | QuestionId | ResponseScore ==================================== ABC2 | 1 | 5 ABC2 | 3 | 4 ABC4 | 16 | 3 ... What I am trying to do sounds pretty simple but I am struggling to find a neat, quick way of doing it. I want to create a sproc that takes an Srn and returns back all the staff under that Srn in the structure. If there is a score for QuestionId of 16 then that indicates a completed survey. I would like to return a line for the Srn entered (The top manager) with a count of completed surveys for the direct reports under that manager. Under that I would like each manager under the original manager with a count of completed surveys for each of their direct reports and so on. I would like to see the data as such below when I set the top manager to be Joe (ABC2). UserName | Completed | Total ============================ Joe | 2 | 2 Paul | 1 | 2 David | 0 | 2 TOTAL | 3 | 6

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• SQL View with Data from two tables

  - by Alex

  Hello! I can't seem to crack this - I have two tables (Persons and Companies), and I'm trying to create a view that: 1) shows all persons 2) also returns companies by themselves once, regardless of how many persons are related to it 3) orders by name across both tables To clarify, some sample data: (Table: Companies) Id Name 1 Banana 2 ABC Inc. 3 Microsoft 4 Bigwig (Table: Persons) Id Name RelatedCompanyId 1 Joe Smith 3 2 Justin 3 Paul Rudd 4 4 Anjolie 5 Dustin 4 The output I'm looking for is something like this: Name PersonName CompanyName RelatedCompanyId ABC Inc. NULL ABC Inc. NULL Anjolie Anjolie NULL NULL Banana NULL Banana NULL Bigwig NULL Bigwig NULL Dustin Dustin Bigwig 4 Joe Smith Joe Smith Microsoft 3 Justin Justin NULL NULL Microsoft NULL Microsoft NULL Paul Rudd Paul Rudd Bigwig 4 As you can see, the new "Name" column is ordered across both tables (the company names appear correctly in between the person names), and each company appears exactly once, regardless of how many people are related to it. Can this even be done in SQL?! P.S. I'm trying to create a view so I can use this later for easy data retrieval, fulltext indexing and make the programming side simpler by just querying the view.

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• Ruby Debug IDE error : ruby-debug-ide-0.4.9/lib/ruby-debug-ide.rb:109:in `debug_load'

  - by Paul

  I hope someone can assist me. I have RubyMine 2.0.2 installed on Windows 7 32 bit computer. Since a week ago (I presume it must have been after I have update some gems) I cant seem to debug form the IDE. I am trying to debug a rake task which I could before. Running the rake task normally works perfect, just debug doesnt. Its not just limited to the rake, I cant debug any ruby files. I've tried installing older versions of debug-ide and debug-base but to no success. I've tried it with ruby 1.8.7 and 1.8.6 on different computers but nothing. Trying to search the web gave some information, which I've tried, but also no success. Im desperate to get this working. Below are the full error and my current settings: Error: C:\InstantRails\ruby\bin\ruby.exe -e STDOUT.sync=true;STDERR.sync=true;load($0=ARGV.shift) C:\InstantRails\ruby\bin/rdebug-ide --port 57167 -- C:/InstantRails/rails_apps/paperserve/lib/tasks/poll_snmp.rake Fast Debugger (ruby-debug-ide 0.4.9) listens on :57167 C:/InstantRails/rails_apps/paperserve/lib/tasks/poll_snmp.rake:5 C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/ruby-debug-ide-0.4.9/lib/ruby-debug ide.rb:109:in `debug_load' C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/ruby-debug-ide-0.4.9/lib/ruby-debug ide.rb:109:in `debug_program' C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/ruby-debug-ide-0.4.9/bin/rdebug-ide:87 C:\InstantRails\ruby\bin/rdebug-ide:19:in `load' C:\InstantRails\ruby\bin/rdebug-ide:19 -e:1:in `load' -e:1 Uncaught exception: undefined method `namespace' for main:Object Process finished with exit code 1 Code snippet (It fails at the start of namespace. If I remove this, it fails on the next line, etc, etc) #This script should run every 15 minutes require 'snmp' require 'yaml' namespace :cdeweb do RubyGems Environment: RUBYGEMS VERSION: 1.3.7 RUBY VERSION: 1.8.6 (2007-09-24 patchlevel 111) [i386-mswin32] INSTALLATION DIRECTORY: C:/InstantRails/ruby/lib/ruby/gems/1.8 RUBY EXECUTABLE: C:/InstantRails/ruby/bin/ruby.exe EXECUTABLE DIRECTORY: C:/InstantRails/ruby/bin RUBYGEMS PLATFORMS: ruby x86-mswin32-60 GEM PATHS: C:/InstantRails/ruby/lib/ruby/gems/1.8 C:/Users/Paul.LPFSYSTEMS/.gem/ruby/1.8 GEM CONFIGURATION: :update_sources = true :verbose = true :benchmark = false :backtrace = false :bulk_threshold = 1000 REMOTE SOURCES: http://rubygems.org/ * LOCAL GEMS * actionmailer (2.3.5, 2.0.2) actionpack (2.3.5, 2.0.2) activerecord (2.3.5, 2.0.2) activeresource (2.3.5, 2.0.2) activesupport (2.3.5, 2.0.2) capistrano (2.5.18, 2.1.0) cgi_multipart_eof_fix (2.5.0) cmdparse (2.0.2) columnize (0.3.1) fxri (0.3.7, 0.3.6) fxruby (1.6.12 mswin32) gem_plugin (0.2.3) highline(1.5.2, 1.4.0) hpricot (0.8.2 x86-mswin32, 0.6 mswin32) inaction_mailer (0.6) json (1.4.2 x86-mswin32) json_pure (1.4.2) linecache (0.43 mswin32) log4r (1.1.7, 1.0.5) mongrel (1.1.5 x86-mswin32-60, 1.1.2 mswin32) mysql(2.8.1 x86-mswin32, 2.7.3 mswin32) needle (1.3.0) net-scp (1.0.2) net-sftp (2.0.4, 1.1.0) net-ssh (2.0.22, 1.1.2) net-ssh-gateway (1.0.1) rack (1.0.1) rails (2.3.5, 2.0.2) rake (0.8.7, 0.8.1, 0.8.0, 0.7.3) ruby-debug-base (0.10.3 mswin32) ruby-debug-ide (0.4.9) ruby-net-ldap (0.0.4) rubygems-update (1.3.7, 1.3.6, 1.0.1) snmp (1.0.2) sources (0.0.1) sqlite3-ruby (1.2.5 x86-mswin32, 1.2.1 mswin32) win32-api (1.4.6 x86-mswin32-60, 1.0.4 mswin32) win32-clipboard (0.5.2, 0.4.3) win32-dir (0.3.6, 0.3.2) win32-eventlog (0.5.2, 0.4.6) win32-file (0.6.3, 0.5.4) win32-file-stat (1.3.4, 1.2.7) win32-process (0.6.2, 0.5.3) win32-sapi (0.1.5, 0.1.4) win32-sound (0.4.2, 0.4.1) windows-api (0.4.0, 0.2.0)

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• Google maps api v3 refreshing away markers

  - by Paul Peelen

  Hi, I am having problems with the google maps API V3. It seems that every time I load my page the maps load (including the markers) and then it does a quick reload and removes all the markers. Am I missing somehting? What am I doing wrong? Here is an example: http://www.PaulPeelen.com/wp-content/uploads/2010/04/SafariScreenSnapz001.mov this is my code: <script type="text/javascript"> <!-- var hash = "{{$sHashLocal}}"; var webroot = "{{$webroot}}"; var map; function initialize() { var latlng = new google.maps.LatLng(59.32045, 18.066902); var myOptions = { zoom: 13, center: latlng, mapTypeId: google.maps.MapTypeId.ROADMAP }; map = new google.maps.Map(document.getElementById("map_canvas"), myOptions); return map; } function getMarkerInfo (infowindow, rack_id) { // Get all the racks $.ajax({ type: "GET", url: webroot+"ajax/getRack/"+hash+"/"+rack_id, cache: false, dataType: "html", success: function(html) { $("#rack_"+rack_id).html(); infowindow.setContent(html); } }); } $(document).ready(function () { map = initialize(); function attachSecretMessage(marker, rack_id) { var infowindow = new google.maps.InfoWindow({ size: new google.maps.Size(50,50) }); google.maps.event.addListener(marker, 'click', function(){ var ret = '<div id="rack_'+rack_id+'" class="rackDiv"><div class="rackDivLoading"><img src="theme/images/loader-small.gif" border="0"/><span>Hämtar data</span></div></div>'; infowindow.setContent(ret); infowindow.open(map,marker); getMarkerInfo(infowindow,rack_id); }); } function addPlacemark (lat,lng,title, rack_id) { var image = new google.maps.MarkerImage('http://www.google.com/intl/en_us/mapfiles/ms/micons/blue-dot.png', new google.maps.Size(32, 32), new google.maps.Point(0,0), new google.maps.Point(0, 32)); var shadow = new google.maps.MarkerImage('http://maps.google.com/mapfiles/shadow50.png', new google.maps.Size(37, 34), new google.maps.Point(0,0), new google.maps.Point(-4, 34)); var location = new google.maps.LatLng(lat,lng); var marker = new google.maps.Marker({ position: location, map: map, icon: image, shadow: shadow}); marker.setTitle(title); attachSecretMessage(marker, rack_id); } // Get all the racks $.ajax({ type: "GET", url: webroot+"ajax/getRacks/"+hash, cache: false, dataType: "xml", success: function(xml) { // Add the results $(xml).find("station").each(function () { rack_id = $(this).find("rack_id").text(); title = $(this).find("description").text(); longitute = parseFloat($(this).find("longitute").text()); latitude = parseFloat($(this).find("latitude").text()); addPlacemark(latitude, longitute, title, rack_id); }); } }); $("#addMark").click(function () { addPlacemark (59.32045, 18.066902); }); // Set size setPageSize(); }); //--> </script> I hope somebody can help me. Best regards, Paul Peelen

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• Getting an invalidoperationexception when deserialising XML

  - by Paul Johnson

  Hi, I'm writing a simple proof of concept application to load up an XML file and depending on the very simple code, create a window and put something into it (it's for a much larger project). Due to limitations in Mono, I'm having to run in this way. The code I currently have looks like this using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Windows.Forms; using System.IO; using System.Collections; using System.Xml; using System.Xml.Serialization; namespace form_from_xml { public class xmlhandler : Form { public void loaddesign() { FormData f; f = null; try { string path_env = Path.GetDirectoryName(Application.ExecutablePath) + Path.DirectorySeparatorChar; // code dies on the line below XmlSerializer s = new XmlSerializer(typeof(FormData)); TextReader r = new StreamReader(path_env + "designer-test.xml"); f = (FormData)s.Deserialize(r); r.Close(); } catch (System.IO.FileNotFoundException) { MessageBox.Show("Unable to find the form file", "File not found", MessageBoxButtons.OK); } } } [XmlRoot("Forms")] public class FormData { private ArrayList formData; public FormData() { formData = new ArrayList(); } [XmlElement("Element")] public Elements[] elements { get { Elements[] elements = new Elements[formData.Count]; formData.CopyTo(elements); return elements; } set { if (value == null) return; Elements[] elements = (Elements[])value; formData.Clear(); foreach (Elements element in elements) formData.Add(element); } } public int AddItem(Elements element) { return formData.Add(element); } } public class Elements { [XmlAttribute("formname")] public string name; [XmlAttribute("winxsize")] public int winxs; [XmlAttribute("winysize")] public int winys; [XmlAttribute("type")] public object type; [XmlAttribute("xpos")] public int xpos; [XmlAttribute("ypos")] public int ypos; [XmlAttribute("externaldata")] public bool external; [XmlAttribute("externalplace")] public string externalplace; [XmlAttribute("text")] public string text; [XmlAttribute("questions")] public bool questions; [XmlAttribute("questiontype")] public object qtype; [XmlAttribute("numberqs")] public int numberqs; [XmlAttribute("answerfile")] public string ansfile; [XmlAttribute("backlink")] public int backlink; [XmlAttribute("forwardlink")] public int forwardlink; public Elements() { } public Elements(string fn, int wx, int wy, object t, int x, int y, bool ext, string extpl, string te, bool q, object qt, int num, string ans, int back, int end) { name = fn; winxs = wx; winys = wy; type = t; xpos = x; ypos = y; external = ext; externalplace = extpl; text = te; questions = q; qtype = qt; numberqs = num; ansfile = ans; backlink = back; forwardlink = end; } } } With a very simple xmlhandler xml = new xmlhander(); xml.loaddesign(); attached to a winform button. Everything is in the same namespace and the xml file actually exists. This is annoying me now - can anyone spot the error of my ways? Paul

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• Add options to select box without Internet Explorer closing the box?

  - by Paul Colby

  Hi, I'm trying to build a web page with a number of drop-down select boxes that load their options asynchronously when the box is first opened. This works very well under Firefox, but not under Internet Explorer. Below is a small example of what I'm trying to achieve. Basically, there is a select box (with the id "selectBox"), which contains just one option ("Any"). Then there is an onmousedown handler that loads the other options when the box is clicked. <html> <head> <script type="text/javascript"> function appendOption(select,option) { try { selectBox.add(option,null); // Standards compliant. } catch (e) { selectBox.add(option); // IE only version. } } function loadOptions() { // Simulate an AJAX request that will call the // loadOptionsCallback function after 500ms. setTimeout(loadOptionsCallback,500); } function loadOptionsCallback() { var selectBox = document.getElementById('selectBox'); var option = document.createElement('option'); option.text = 'new option'; appendOption(selectBox,option); } </script> </head> <body> <select id="selectBox" onmousedown="loadOptions();"> <option>Any</option> </select> </body> </html> The desired behavior (which Firefox does) is: the user see's a closed select box containing "Any". the user clicks on the select box. the select box opens to reveal the one and only option ("Any"). 500ms later (or when the AJAX call has returned) the dropped-down list expands to include the new options (hard coded to 'new option' in this example). So that's exactly what Firefox does, which is great. However, in Internet Explorer, as soon as the new option is added in "4" the browser closes the select box. The select box does contain the correct options, but the box is closed, requiring the user to click to re-open it. So, does anyone have any suggestions for how I can load the select control's options asynchronously without IE closing the drop-down box? I know that I can load the list before the box is even clicked, but the real form I'm developing contains many such select boxes, which are all interrelated, so it will be much better for both the client and server if I can load each set of options only when needed. Also, if the results are loaded synchronously, before the select box's onmousedown handler completes, then IE will show the full list as expected - however, synchronous loading is a bad idea here, since it will completely "lock" the browser while the network requests are taking place. Finally, I've also tried using IE's click() method to open the select box once the new options have been added, but that does not re-open the select box. Any ideas or suggestions would be really appreciated!! :) Thanks! Paul.

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• using ajax to post comments in cakephp results in 404 error, but no errors locally?

  - by Paul

  Using an ajax helper created for use with Jquery I've created a form that posts comments to "/comments/add", and this works as expected on my local wamp server but not on my production server. On my production server I get a '404 error, cannot find /comments/add'. I've spent quite a bit of time searching for a resolution with no luck so far. I've focused on trying to identify a gap but nothing jumps out at me. Here are some observations: works as expected on local wamp server requestHandler is listed as component files on both local and production server are the same controllers folder has write access autoLayout and autoRender are both set to false Here is the form in my view: <div class="comments form"> <?php echo $ajax->form('/comments/add', 'tournament', array('url' => '/comments/add', 'update' => 'Comments', 'indicator' => 'commentSaved'));?> <fieldset> <legend><?php __('Add Comment');?></legend> <div id="commentSaved" style="display: none; float: right;"> <h2>Loading...</h2> </div> <?php echo $form->hidden('Comment.foreign_id', array('value' => $tournament['Tournament']['id'])); echo $form->hidden('Comment.belongs_to', array('value' => 'Tournament')); echo $form->input('Comment.name'); echo $form->input('Comment.email'); echo $form->input('Comment.web', array('value' => 'http://')); echo $form->input('Comment.content'); ?> </fieldset> <?php echo $form->end('Submit');?> </div> And here is my 'comment's controller add action: function add() { if($this->RequestHandler->isAjax()) { $this->autoLayout = false; $this->autoRender=false; $this->Comment->recursive =-1; $commentInfos = $this->Comment->findAllByIp($_SERVER['REMOTE_ADDR']); $spam = FALSE; foreach($commentInfos as $commentInfo) { if ( time() - strtotime($commentInfo['Comment']['created']) < 180) { $spam = TRUE; } } if ($spam === FALSE) { if (!empty($this->data)) { $this->data['Comment']['ip'] = $_SERVER['REMOTE_ADDR']; $this->Comment->create(); if ($this->Comment->save($this->data)) { $this->Comment->recursive =-1; $comments = $this->Comment->findAll(array('Comment.foreign_id' => $this->data['Comment']['foreign_id'], 'Comment.belongs_to' => $this->data['Comment']['belongs_to'], 'Comment.status' =>'approved')); $this->set(compact('comments')); $this->viewPath = 'elements'.DS.'posts'; $this->render('comments'); } } } else { $this->Comment->recursive =-1; $comments = $this->Comment->findAll(array('Comment.foreign_id' => $this->data['Comment']['foreign_id'], 'Comment.belongs_to' => $this->data['Comment']['belongs_to'], 'Comment.status' =>'approved')); $this->set(compact('comments')); $this->viewPath = 'elements'.DS.'posts'; $this->render('spam'); } } else { $this->Session->setFlash(__('Invalid Action. Please view a post to add a comment.', true)); $this->redirect(array('controller' => 'pages', 'action'=>'display', 'home')); } } As you can see I've made sure that 'autoLayout' and 'autoRender' are set to false, but in Firebug I still get a 404 error stating /comments/add cannot be found on the production server. I should also point out that I'm using jquery, jquery.form and jquery.editable as well as a ajax helper created to be used with jquery. Any help or even suggestions about how to trouble shoot this is really appreciated. Cheers, Paul

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• SharePoint 2010 Design & Deployment Best Practices

  - by Michael Van Cleave

  Well now that SharePoint 2010 has successfully launched and everyone is scratching for every piece of best practices information they can get their hands on, I would like to invite anyone and everyone to come and take part in ShareSquared's next webinar. The webinar will cover some key information such as: Pros and cons of the different approaches to installing and configuring SharePoint 2010 Configuration Best Practices for SharePoint 2010 farms Services architecture; dependencies, licensing, and topologies Information Architecture guidance for sizing, multilingual support, multi-tenancy, and more. Using tools such as SharePoint Composer and SharePoint Maestro to configure and deploy SharePoint 2010 And most of all, avoiding common pitfalls for installation and deployment. What is better than all of that? Well, the even more exciting thing is that the presenters will be our very own SharePoint MVP's Gary Lapointe and Paul Stork. If you don't know who these guys are then you should definitely check out their blogs and their contributions to the SharePoint community. To get more information and register click here: REGISTER Other great links to information in this post: ShareSquared, Inc Gary Lapointe's Blog Paul Stork's Blog SharePoint Composer Check it out and get up to speed from some of the best in the industry. Michael

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• Programming concepts taken from the arts and humanities

  - by Joey Adams

  After reading Paul Graham's essay Hackers and Painters and Joel Spolsky's Advice for Computer Science College Students, I think I've finally gotten it through my thick skull that I should not be loath to work hard in academic courses that aren't "programming" or "computer science" courses. To quote the former: I've found that the best sources of ideas are not the other fields that have the word "computer" in their names, but the other fields inhabited by makers. Painting has been a much richer source of ideas than the theory of computation. — Paul Graham, "Hackers and Painters" There are certainly other, much stronger reasons to work hard in the "boring" classes. However, it'd also be neat to know that these classes may someday inspire me in programming. My question is: what are some specific examples where ideas from literature, art, humanities, philosophy, and other fields made their way into programming? In particular, ideas that weren't obviously applied the way they were meant to (like most math and domain-specific knowledge), but instead gave utterance or inspiration to a program's design and choice of names. Good examples: The term endian comes from Gulliver's Travels by Tom Swift (see here), where it refers to the trivial matter of which side people crack open their eggs. The terms journal and transaction refer to nearly identical concepts in both filesystem design and double-entry bookkeeping (financial accounting). mkfs.ext2 even says: Writing superblocks and filesystem accounting information: done Off-topic: Learning to write English well is important, as it enables a programmer to document and evangelize his/her software, as well as appear competent to other programmers online. Trigonometry is used in 2D and 3D games to implement rotation and direction aspects. Knowing finance will come in handy if you want to write an accounting package. Knowing XYZ will come in handy if you want to write an XYZ package. Arguably on-topic: The Monad class in Haskell is based on a concept by the same name from category theory. Actually, Monads in Haskell are monads in the category of Haskell types and functions. Whatever that means...

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• SharePoint Q&A With the MVP Gang

  - by Bil Simser

  Interested in getting some first hand knowledge about SharePoint and all of it’s quirks, oddities, and secrets? We’re hosting not one, but *two* SharePoint Q&A sessions with the MVP crowd. Here’s the official blurb: Do you have tough technical questions regarding SharePoint for which you're seeking answers? Do you want to tap into the deep knowledge of the talented Microsoft Most Valuable Professionals? The SharePoint MVPs are the same people you see in the technical community as authors, speakers, user group leaders and answerers in the MSDN forums. By popular demand, we have brought these experts together as a collective group to answer your questions live. So please join us and bring on the questions! This chat will cover WSS, MOSS and the SharePoint 2010. Topics include setup and administration, design, development and general questions. Here’s a rundown of the expected guests for the chats: Agnes Molnar, Andrew Connell, Asif Rehmani, Becky Bertram, Me, Bryan Phillips, Chris O'Brien, Clayton Cobb, Dan Attis, Darrin Bishop, David Mann, Gary Lapointe, John Ross, Mike Oryzak, Muhanad Omar, Paul Stork, Randy Drisgill, Rob Bogue, Rob Foster, Shane Young, Spence Harbar. Apologies for not linking to everyone’s blogs, I’m just not that ambitious tonight. Please note that not everyone listed here is guaranteed to make it to either chat and there may be additions/changes at the last minute so the names may change to protect the innocent. The chat sessions will be held April 27th, 2010 at 4PM (PST) and April 28th at 9AM (PST). You can find out more details about the chats here or click here to add the April 27th event to your calendar, or click here to add the April 28th event (assuming your calendar software supports ICS files). See you there!

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• Silverlight Cream for April 24, 2010 -- #846

  - by Dave Campbell

  In this Issue: Michael Washington, Timmy Kokke, Pete Brown, Paul Yanez, Emil Stoychev, Jeremy Likness, and Pavan Podila. Shoutouts: If you've got some time to spend, the User Experience Kit is packed with info: User Experience Kit, and just plain fun to navigate ... thanks Scott Barnes for reminding me about it! Jesse Liberty is looking for some help organizing and cataloging posts for a new project he's got going: Help Wanted Emil Stoychev posted Slides and demos from my talk on Silverlight 4 From SilverlightCream.com: Silverlight 4 Drag and Drop File Manager Michael Washington has a post up about a Silverlight Drag and Drop File Manager in MVVM, but a secondary important point about the post is that he and Alan Beasley followed strict Designer/Developer rules on this... you recognized Alan's ListBox didn't you? Changing CSS with jQuery syntax in Silverlight using jLight Timmy Kokke is using jLight as introduced in a prior post to interact with the DOM from Silverlight. Essential Silverlight and WPF Skills: The UI Thread, Dispatchers, Background Workers and Async Network Programming Pete Brown has a great backrounder up for WPF and Silverlight devs on threading and networking, good comments too so far. Fluid layout and Fullscreen in Silverlight Paul Yanez has a quick post and demo up on forcing full-screen with a fluid layout, all code included -- and it doesn't take much Data Binding in Silverlight Emil Stoychev has a great long tutorial up on DataBinding in Silverlight ... he hits all the major points with text, samples, and code... definitely one to read! Yet Another MVVM Locator Pattern Another not-necessarily Silverlight post from Jeremy Likness -- but definitely a good one on MVVM and locator patterns. The SpiderWebControl for Silverlight Pavan Podila has a 'SpiderWebControl' for Silverlight 4 up... this is a great network graph control with any sort of feature I can think of... check out the demo, then grab the code... or the other way around, your choice :) 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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