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• Silverlight Cream Top Posted Authors August, 2010 to January, 2011

  - by Dave Campbell

  It's *way* past the first of February, and it's now time to recognize devs that have a large number of posts in Silverlight Cream. Ground Rules I pick what posts are on the blog Only posts that go in the database are included The author has to appear in SC at least 4 of the 6 months considered I averaged the monthly posts and am only showing Authors with an average greater than 1. Here are the Top Posted Authors at Silverlight Cream for August 1, 2010 through January 31, 2011: It is my intention to post a new list sometime shortly after the 1st of every month to recognize the top posted in the previous 6 months, so next up is March 1! Some other metrics for Silverlight Cream: At the time of this posting there are 7304 articles aggregated and searchable by partial Author, partial Title, keywords (in the synopsis), or partial URL. There are also 118 tags by which the articles can be searched. This is an increase of 265 posts over last month. At the time of this posting there are 783 articles tagged wp7dev. This is an increase of 155 posts over last month, or over half of the posts added. Stay in the 'Light!

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• Android: debug certificate expired error

  - by Bill Osuch

  I started up Eclipse today, created a new project, and immediately had an error before I had changed a single line: Error generating final archive: Debug Certificate expired on 11/12/11 When installed, the Android SDK generates a "debug" signing certificate for you in a file called "debug.keystore". Eclipse uses this certificate rather than forcing you to create a new one for every project. In older versions of Eclipse, the certificate was only valid for 365 days, but as I understand it the default has been changed to 30 years in newer versions. If for whatever reason you don't want to upgrade Eclipse, you can manually delete the certificate to for Eclipse to generate a new one. You can find the location in Preferences -> Android -> Build -> Default debug keystore (mine was in C:\Users\myUserName\.android\); just delete the "debug.keystore" file, then go back into Eclipse and Clean the project to generate a new file.

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• Attaching a Command to the WP7 Application Bar.

  - by mbcrump

  One of the biggest problems that I’ve seen with people creating WP7 applications is how do you bind the application bar to a Relay Command. If your using MVVM then this is particular important. Let’s examine the code that one might add to start with.  <phone:PhoneApplicationPage.ApplicationBar> <shell:ApplicationBar IsVisible="True" IsMenuEnabled="True"> <shell:ApplicationBarIconButton x:Name="appbar_button1" IconUri="/icons/appbar.questionmark.rest.png" Text="About"> <i:Interaction.Triggers> <i:EventTrigger EventName="Click"> <GalaSoft_MvvmLight_Command:EventToCommand Command="{Binding DisplayAbout, Mode=OneWay}" /> </i:EventTrigger> </i:Interaction.Triggers> </shell:ApplicationBarIconButton> <shell:ApplicationBar.MenuItems> <shell:ApplicationBarMenuItem x:Name="menuItem1" Text="MenuItem 1"></shell:ApplicationBarMenuItem> <shell:ApplicationBarMenuItem x:Name="menuItem2" Text="MenuItem 2"></shell:ApplicationBarMenuItem> </shell:ApplicationBar.MenuItems> </shell:ApplicationBar> </phone:PhoneApplicationPage.ApplicationBar> Everything looks right. But we quickly notice that we have a squiggly line under our Interaction.Triggers. The problem is that the object is not a FrameworkObject. This same code would have worked perfect if this were a normal button. OK. Point has been proved. Let’s make the ApplicationBar support Commands. So, go ahead and create a new project using MVVM Light. If you want to check out the source and work along side this tutorial then click here.  7 Easy Steps to have binding on the Application Bar using MVVM Light (I might add that you don’t have to use MVVM Light to get this functionality, I just prefer it.) 1) Download MVVM Light if you don’t already have it and install the project templates. It is available at http://mvvmlight.codeplex.com/. 2) Click File-New Project and navigate to Silverlight for Windows Phone. Make sure you use the MVVM Light (WP7) Template. 3) Now that we have our project setup and ready to go let’s download a wrapper created by Nicolas Humann here, it is called Phone7.Fx. After you download it then extract it somewhere that you can find it. This wrapper will make our application bar/menu item bindable. 4) Right click References inside your WP7 project and add the .dll file to your project. 5) In your MainPage.xaml you will need to add the proper namespace to it. Don’t forget to build your project afterwards. xmlns:Preview="clr-namespace:Phone7.Fx.Preview;assembly=Phone7.Fx.Preview" 6) Now you can add the BindableAppBar to your MainPage.xaml with a few lines of code.  <Preview:BindableApplicationBar x:Name="AppBar" BarOpacity="1.0" > <Preview:BindableApplicationBarIconButton Command="{Binding DisplayAbout}" IconUri="/icons/appbar.questionmark.rest.png" Text="About" /> <Preview:BindableApplicationBar.MenuItems> <Preview:BindableApplicationBarMenuItem Text="Settings" Command="{Binding InputBox}" /> </Preview:BindableApplicationBar.MenuItems> </Preview:BindableApplicationBar> So your final MainPage.xaml will look similar to this: NOTE: The AppBar will be located inside of the Grid using this wrapper.   <!--LayoutRoot contains the root grid where all other page content is placed--> <Grid x:Name="LayoutRoot" Background="Transparent"> <Grid.RowDefinitions> <RowDefinition Height="Auto" /> <RowDefinition Height="*" /> </Grid.RowDefinitions> <!--TitlePanel contains the name of the application and page title--> <StackPanel x:Name="TitlePanel" Grid.Row="0" Margin="24,24,0,12"> <TextBlock x:Name="ApplicationTitle" Text="{Binding ApplicationTitle}" Style="{StaticResource PhoneTextNormalStyle}" /> <TextBlock x:Name="PageTitle" Text="{Binding PageName}" Margin="-3,-8,0,0" Style="{StaticResource PhoneTextTitle1Style}" /> </StackPanel> <!--ContentPanel - place additional content here--> <Grid x:Name="ContentGrid" Grid.Row="1"> <TextBlock Text="{Binding Welcome}" Style="{StaticResource PhoneTextNormalStyle}" HorizontalAlignment="Center" VerticalAlignment="Center" FontSize="40" /> </Grid> <Preview:BindableApplicationBar x:Name="AppBar" BarOpacity="1.0" > <Preview:BindableApplicationBarIconButton Command="{Binding DisplayAbout}" IconUri="/icons/appbar.questionmark.rest.png" Text="About" /> <Preview:BindableApplicationBar.MenuItems> <Preview:BindableApplicationBarMenuItem Text="Settings" Command="{Binding InputBox}" /> </Preview:BindableApplicationBar.MenuItems> </Preview:BindableApplicationBar> </Grid> 7) Let’s go ahead and create the RelayCommands and write them up to a MessageBox by editing our MainViewModel.cs file. public class MainViewModel : ViewModelBase { public string ApplicationTitle { get { return "MVVM LIGHT"; } } public string PageName { get { return "My page:"; } } public string Welcome { get { return "Welcome to MVVM Light"; } } public RelayCommand DisplayAbout { get; private set; } public RelayCommand InputBox { get; private set; } /// <summary> /// Initializes a new instance of the MainViewModel class. /// </summary> public MainViewModel() { if (IsInDesignMode) { // Code runs in Blend --> create design time data. } else { DisplayAbout = new RelayCommand(() => { MessageBox.Show("About box called!"); }); InputBox = new RelayCommand(() => { MessageBox.Show("settings button called"); }); } } If you run the project now you should get something similar to this (notice the AppBar at the bottom):  Now if you hit the question mark then you will get the following MessageBox: The MenuItem works as well so for Settings: As you can see, its pretty easy to add a Command to the ApplicationBar/MenuItem. If you want to look through the full source code then click here.   Subscribe to my feed

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• mongoDB Management Studio

  - by Liam McLennan

  This weekend I have been in Sydney at the MS Web Camp, learning about web application development. At the end of the first day we came up with application ideas and pitched them. My idea was to build a web management application for mongoDB. mongoDB I pitched my idea, put down the microphone, and then someone asked, “what’s mongo?”. Good question. MongoDB is a document database that stores JSON style documents. This is a JSON document for a tweet from twitter: db.tweets.find()[0] { "_id" : ObjectId("4bfe4946cfbfb01420000001"), "created_at" : "Thu, 27 May 2010 10:25:46 +0000", "profile_image_url" : "http://a3.twimg.com/profile_images/600304197/Snapshot_2009-07-26_13-12-43_normal.jpg", "from_user" : "drearyclocks", "text" : "Does anyone know who has better coverage, Optus or Vodafone? Telstra is still too expensive.", "to_user_id" : null, "metadata" : { "result_type" : "recent" }, "id" : { "floatApprox" : 14825648892 }, "geo" : null, "from_user_id" : 6825770, "search_term" : "telstra", "iso_language_code" : "en", "source" : "&lt;a href=&quot;http://www.tweetdeck.com&quot; rel=&quot;nofollow&quot;&gt;TweetDeck&lt;/a&gt;" } A mongodb server can have many databases, each database has many collections (instead of tables) and a collection has many documents (instead of rows). Development Day 2 of the Sydney MS Web Camp was allocated to building our applications. First thing in the morning I identified the stories that I wanted to implement: Scenario: View databases Scenario: View Collections in a database Scenario: View Documents in a Collection Scenario: Delete a Collection Scenario: Delete a Database Scenario: Delete Documents Over the course of the day the team (3.5 developers) implemented all of the planned stories (except ‘delete a database’) and also implemented the following: Scenario: Create Database Scenario: Create Collection Lessons Learned I’m new to MongoDB and in the past I have only accessed it from Ruby (for my hare-brained scheme). When it came to implementing our MongoDB management studio we discovered that their is no official MongoDB driver for .NET. We chose to use NoRM, honestly just because it was the only one I had heard of. NoRM was a challenge. I think it is a fine library but it is focused on mapping strongly typed objects to MongoDB. For our application we had no prior knowledge of the types that would be in the MongoDB database so NoRM was probably a poor choice. Here are some screens (click to enlarge):

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• Poor Customer Service Example

  - by MightyZot

  Lately I have been frustrated by examples of poor customer service. At least one is worth writing about because I don’t think companies realize the effects of their service policies on loyal customers. Bad Customer Service Example #1 Recently, I received an offer in the mail from my cable company, suddenLink. The offer was for an updated TiVo for $12/mo. Normally I ignore offers like this one because I already have the service they’re offering and many times advertisers are offering alternatives to what is already an excellent product offering. I tend to exhibit a high level of loyalty to the products and brands that I use. In this case, we were looking to upgrade our TiVo and this deal is attractive for several reasons: I don’t want to pay a huge amount up-front for the device, so paying a monthly amount for the device is attractive to me. My entertainment is almost all on a single invoice. I’m no longer going to be billed by suddenLink and TiVo. TiVo is still involved, so I am still loyal to the brand I love. I have resisted moving to other DVRs and services for over a decade. I called suddenLink to order the new TiVo and was rewarded with great customer service. In fact, I can’t remember ever getting poor customer service from suddenLink. They are always there to answer my technical support questions and they are very responsive to outages. Then I called TiVo. First of all, I chose the option on the phone system to change or cancel my service, which was consequently met by an inordinate hold time. (I’m calling this time inordinate because I get through very quickly if I want to purchase something.) This is a trend that I’ve noticed with companies – if you want me to be loyal to you, it should be just as easy to cancel your service as it is to purchase it. Because, I should never be cancelling because I am unhappy. And, if you ever want my business again, or more importantly a reference, then you’d better make the exit door open just as easy as the enter door. After quite some time on hold, I talked to “Victor” who was very courteous. Victor canceled my service and then told me that I could keep my current TiVo and transfer recorded programs to it from the new TiVo.  Cool I said, but what about the cost?  He said there was no extra cost.  This was also attractive to me because I paid for my TiVo and it would be good to use it for something at least.  That was four months ago. This month I noticed that TiVo was still charging me for my original service. I was a little upset, but I decided to give them the benefit of the doubt. After all, I am a loyal TiVo customer and I have resisted moving to other solutions for over a decade. I’m sure they will do whatever it takes to keep my business, through TiVo or through suddenLink. After quite some time on hold, I was able to talk to a customer service representative, “Les”. I explained that I am a loyal TiVo customer, but I purchased this deal through my cable provider. I’m still with TiVo, I just wanted a single bill and to take advantage of the pay-over-time option. “Les” told me that he was very sorry to hear that I’m leaving TiVo, to which I responded again that I wasn’t leaving TiVo, I just want one invoice, and to take advantage of the pay-over-time. So, after explaining that I requested a termination of the non-suddenLink account (TiVo can see both of course), I was put on hold again for quite some time while my refund was “approved”.  “Les” said that he could see my cancellation request back in July. Note that it is now November, so they have billed me inappropriately four times. After quite some time, he came back on the line and told me that he was able to “get me most of my money back.” He got approval to refund 90 days. Even though I requested cancellation of one of my accounts, TiVo has that cancellation request on file and they admit overbilling me, I am going to get “most” of my money back. To top this experience off, when we were ready to hang up, “Les” told me that he was sorry to see me go and that he hoped I would come back to TiVo again. Again, I explained to “Les” that I have not left TiVo. I am just paying them through suddenLink. At that point, he went into a small dissertation about how this is a special arrangement they have with suddenLink and very few others. He made me feel like I was doing something wrong. Why should I feel that way? TiVo made the deal with suddenLink, not me, and the deal seemed like a good compromise for me to be able to get what I need. Here is what TiVo Customer Service accomplished on those two calls – I no longer feel like I need to be loyal to the TiVo brand or service. If I had been treated better on these two calls, I would still be recommending TiVo to my friends. They would still be getting revenue from a loyal customer, who paid the same rate for over a decade, and this article wouldn’t be here for you to read. Interesting… In my opinion, if you want brand loyalty, be loyal to your customers!

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• Creating a Document Library with Content Type in code

  - by David Jacobus

  Originally posted on: http://geekswithblogs.net/djacobus/archive/2013/10/15/154360.aspxIn the past, I have shown how to create a list content type and add the content type to a list in code.  As a Developer, many of the artifacts which we create are widgets which have a List or Document Library as the back end.   We need to be able to create our applications (Web Part, etc.) without having the user involved except to enter the list item data.  Today, I will show you how to do the same with a document library.    A summary of what we will do is as follows:   1.   Create an Empty SharePoint Project in Visual Studio 2.   Add a Code Folder in the solution and Drag and Drop Utilities and Extensions Libraries to the solution 3.   Create a new Feature and add and event receiver  all the code will be in the event receiver 4.   Add the fields which will extend the built-in Document content type 5.   If the Content Type does not exist, Create it 6.   If the Document Library does not exist, Create it with the new Content Type inherited from the Document Content Type 7.   Delete the Document Content Type from the Library (as we have a new one which inherited from it) 8.   Add the fields which we want to be visible from the fields added to the new Content Type   Here we go:   Create an Empty SharePoint Project in Visual Studio      Add a Code Folder in the solution and Drag and Drop Utilities and Extensions Libraries to the solution       The Utilities and Extensions Library will be part of this project which I will provide a download link at the end of this post.  Drag and drop them into your project.  If Dragged and Dropped from windows explorer you will need to show all files and then include them in your project.  Change the Namespace to agree with your project.   Create a new Feature and add and event receiver  all the code will be in the event receiver.  Here We added a new Feature called “CreateDocLib”  and then right click to add an Event Receiver All of our code will be in this Event Receiver.  For this Demo I will only be using the Feature Activated Event.      From this point on we will be looking at code!    We are adding two constants for use columGroup (How we want SharePoint to Group them, usually Company Name) and ctName(ContentType Name)  using System; using System.Runtime.InteropServices; using System.Security.Permissions; using Microsoft.SharePoint; namespace CreateDocLib.Features.CreateDocLib { /// <summary> /// This class handles events raised during feature activation, deactivation, installation, uninstallation, and upgrade. /// </summary> /// <remarks> /// The GUID attached to this class may be used during packaging and should not be modified. /// </remarks> [Guid("56e6897c-97c4-41ac-bc5b-5cd2c04f2dd1")] public class CreateDocLibEventReceiver : SPFeatureReceiver { const string columnGroup = "DJ"; const string ctName = "DJDocLib"; } }     Here we are creating the Feature Activated event.   Adding the new fields (Site Columns) ,  Testing if the Content Type Exists, if not adding it.  Testing if the document Library exists, if not adding it.   #region DocLib public override void FeatureActivated(SPFeatureReceiverProperties properties) { using (SPWeb spWeb = properties.GetWeb() as SPWeb) { //add the fields addFields(spWeb); //add content type SPContentType testCT = spWeb.ContentTypes[ctName]; // we will not create the content type if it exists if (testCT == null) { //the content type does not exist add it addContentType(spWeb, ctName); } if ((spWeb.Lists.TryGetList("MyDocuments") == null)) { //create the list if it dosen't to exist CreateDocLib(spWeb); } } } #endregion The addFields method uses the utilities library to add site columns to the site. We can add as many fields within this method as we like. Here we are adding one for demonstration purposes. Icon as a Url type.  public void addFields(SPWeb spWeb) { Utilities.addField(spWeb, "Icon", SPFieldType.URL, false, columnGroup); }The addContentType method add the new Content Type to the site Content Types. We have already checked to see that it does not exist. In addition, here is where we add the linkages from our site columns previously created to our new Content Type   private static void addContentType(SPWeb spWeb, string name) { SPContentType myContentType = new SPContentType(spWeb.ContentTypes["Document"], spWeb.ContentTypes, name) { Group = columnGroup }; spWeb.ContentTypes.Add(myContentType); addContentTypeLinkages(spWeb, myContentType); myContentType.Update(); } Here we are adding just one linkage as we only have one additional field in our Content Type public static void addContentTypeLinkages(SPWeb spWeb, SPContentType ct) { Utilities.addContentTypeLink(spWeb, "Icon", ct); } Next we add the logic to create our new Document Library, which we have already checked to see if it exists.  We create the document library and turn on content types.  Add the new content type and then delete the old “Document” content types.   private void CreateDocLib(SPWeb web) { using (var site = new SPSite(web.Url)) { var web1 = site.RootWeb; var listId = web1.Lists.Add("MyDocuments", string.Empty, SPListTemplateType.DocumentLibrary); var lib = web1.Lists[listId] as SPDocumentLibrary; lib.ContentTypesEnabled = true; var docType = web.ContentTypes[ctName]; lib.ContentTypes.Add(docType); lib.ContentTypes.Delete(lib.ContentTypes["Document"].Id); lib.Update(); AddLibrarySettings(web1, lib); } }  Finally, we set some document library settings on our new document library with the AddLibrarySettings method. We then ensure that the new site column is visible when viewed in the browser.  private void AddLibrarySettings(SPWeb web, SPDocumentLibrary lib) { lib.OnQuickLaunch = true; lib.ForceCheckout = true; lib.EnableVersioning = true; lib.MajorVersionLimit = 5; lib.EnableMinorVersions = true; lib.MajorWithMinorVersionsLimit = 5; lib.Update(); var view = lib.DefaultView; view.ViewFields.Add("Icon"); view.Update(); } Okay, what's cool here: In a few lines of code, we have created site columns, A content Type, a document library. As a developer, I use this functionality all the time. For instance, I could now just add a web part to this same solutionwhich uses this document Library. I love SharePoint! Here is the complete solution: Create Document Library Code

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• There's a new kid in town...

  - by Mike Pillittere

  I've had this account for quite a while now, but I've finally got time in my schedule to actually think about posting something here.  Stay tuned, as there's lots going on that I just can't wait to talk about.

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• NDC Oslo

  - by Alan Smith

  Originally posted on: http://geekswithblogs.net/asmith/archive/2013/06/14/153136.aspx2013 has been a hectic year for conference presentations so far, NDC in Oslo has been the 6th conference I have attended, and my session there was my 11th conference presentation this year. I have been meaning to make the short trip over from Stockholm to NDC for a few years, and this was the first time I made it. I have heard a lot of great things about the event, and was impressed with the location, the sessions, and most of all the atmosphere around the event boots and during the party on Thursday evening. The session I was delivering was my “Grid Computing with 256 Windows Azure Worker Roles & Kinect” demo, which I have delivered at many events over the past 12 months. The demo went fine. I’m always a little nervous when I try to scale out the application to 256 worker roles, it almost always works well and the application will scale in minutes, but very occasionally there can be a longer delay due to the provisioning process in the Windows Azure data centers. This would not be an issue for many scenarios, but when standing on stage in front of a room full of developers you really want things to run smoothly. A number of people have suggested that I should pre-provision an environment so that it is guaranteed to be there when I run the demo during a session. For me the aim has always been to show the rapid scalability on cloud-based platforms live on stage. Pre-provisioning an environment may make for a more reliable demo but to me that would be cheating, and not half as much fun!

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• Loops, Recursion and Memoization in JavaScript

  - by Ken Dason

  Originally posted on: http://geekswithblogs.net/kdason/archive/2013/07/25/loops-recursion-and-memoization-in-javascript.aspxAccording to Wikipedia, the factorial of a positive integer n (denoted by n!) is the product of all positive integers less than or equal to n. For example, 5! = 5 x 4 x 3 x 2 x 1 = 120. The value of 0! is 1. We can use factorials to demonstrate iterative loops and recursive functions in JavaScript.  Here is a function that computes the factorial using a for loop: Output: Time Taken: 51 ms Here is the factorial function coded to be called recursively: Output: Time Taken: 165 ms We can speed up the recursive function with the use of memoization.  Hence,  if the value has previously been computed, it is simply returned and the recursive call ends. Output: Time Taken: 17 ms

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• The death of Kodak digital

  - by Ken Hortsch

  Months ago Kodak announced that it was discontinuing its digital video to focus on “significant opportunities for profitable growth”.  Three years ago I picked up the little Kodak Zi6 (pronounced Zix) for the kids for Christmas.  It is an HD pocket video camera with a nice 3” LCD all built into a something a bit longer than an deck of cards.  It is low tech and great!  The kids have had a ball with it, and for around $100 it was perfect.  It comes with 2 AA rechargeable batteries and the recharger.  You can add an SD card, but don’t need to, and the USB is not a cable but a pop-out dongle so everything is right in the one package.  Too many companies look for the next big thing and fail to see the stuff that is good enough, and right in front of their eyes.

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• New article on preventing multiple concurrent use in asp.net

  - by Frez

  I have posted up an article today entitled Preventing a User From Having Multiple Concurrent Sessions

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• Design mode in Visual studio 2010 sp1 beta

  - by anirudha

  in MVC3 razor we found that their is no way to watch the design in Visual studio as well we can see aspx file by going to design mode. their is a little trick to solve this issue first is that if you have Expression web or Vs 2008 then open the file on them how see here in expression web 4 you need to add the extension .cshtml and open them as html as we open other. in Visual studio 2008 you need to add the extension .cshtml and set them open as html. well their is no big trouble if design not worked. but in some case when you need to get this issue solved this need to be work for configuration do this: Expression Web 4 > tools > application options > configure editor > click on new extension icon show in exact left put the cshtml in the window they show you and choose expression web [open as html] after that you can see the design in expression web. by default Expression web not have cshtml as known extension so you need to do that to add them because without it they never handle cshtml file and refer them to Visual studio. after setting this you  EW4 open the cshtml file as html and show you design in design mode. in Visual studio 2008 you can use same trick to solve this issue just follow this step > options > text editors > file extension put cshtml in textbox and set the option html editor from dropdown and click on add and ok this will open your cshtml file as html.

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• Wessty: Live with HTML 5 (2011 Speaker Tour)

  - by David Wesst

  That’s right: Wessty is on tour. Okay, the banner and the tour is a little over the top, but I am really excited about my upcoming speaking engagements to spread the word about HTML 5! I have already kicked off the tour with the Winnipeg Code Camp last weekend with the world premiere of HTML 5 for .NET Pro presentation, and the turn out fantastic. It was the last presentation of the day, but we still had some great questions about the new standard and got to see how HTML 5 can fit into .NET web applications today. In any case, above you can see the confirmed presentations that I will be doing so far in 2011, but there are a few more events that I have heard about that I hope to add to that list. Ultimately, expect that list to be updated over the course of the year as the year is young and there are plenty of conferences coming up! Presentation Resources As the tour continues, I will be posting the slides and the source code for the demonstrations up here on my site. They will be free of charge and give you the chance to review the demos and hopefully take advantage of some of the cool things you see in the presentations. Become part of the Tour If you are considering hosting an event where you think that HTML 5 could use a voice, drop me a line and let me know. I am always looking for opportunities to grow the tour to talk not just about HTML 5, but a variety of topics that relate to user interface and user experience development. This post also appears at http://david.wes.st

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• SL: Showcase

  - by xamlnotes

  One of the sites I go to frequently is www.silverlight.net/showcase. Theres always new stuff showing up here and it gives me tons of ideas. The business section is also awesome because it has tons of samples of great applications that should really jog your brain for ideas. One of the great things about SL and WPF is how we can break the mold of application design and come up with truly great new applications for our   users. That’s one are where the showcase can help to get new ideas on things you can do.

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• Visual Studio 2010 Productivity Tips and Tricks&ndash;Part 1: Extensions

  - by ToStringTheory

  I don’t know about you, but when it comes to development, I prefer my environment to be as free of clutter as possible.  It may surprise you to know that I have tried ReSharper, and did not like it, for the reason that I stated above.  In my opinion, it had too much clutter.  Don’t get me wrong, there were a couple of features that I did like about it (inversion of if blocks, code feedback), but for the most part, I actually felt that it was slowing me down. Introduction Another large factor besides intrusiveness/speed in my choice to dislike ReSharper would probably be that I have become comfortable with my current setup and extensions.  I believe I have a good collection, and am quite happy with what I can accomplish in a short amount of time.  I figured that I would share some of my tips/findings regarding Visual Studio productivity here, and see what you had to say. The first section of things that I would like to cover, are Visual Studio Extensions.  In case you have been living under a rock for the past several years, Extensions are available under the Tools menu in Visual Studio: The extension manager enables integrated access to the Microsoft Visual Studio Gallery online with access to a few thousand different extensions.  I have tried many extensions, but for reasons of lack reliability, usability, or features, have uninstalled almost all of them.  However, I have come across several that I find I can not do without anymore: NuGet Package Manager (Microsoft) Perspectives (Adam Driscoll) Productivity Power Tools (Microsoft) Web Essentials (Mads Kristensen) Extensions NuGet Package Manager To be honest, I debated on whether or not to put this in here.  Most people seem to have it, however, there was a time when I didn’t, and was always confused when blogs/posts would say to right click and “Add Package Reference…” which with one of the latest updates is now “Manage NuGet Packages”.  So, if you haven’t downloaded the NuGet Package Manager yet, or don’t know what it is, I would highly suggest downloading it now! Features Simply put, the NuGet Package Manager gives you a GUI and command line to access different libraries that have been uploaded to NuGet. Some of its features include: Ability to search NuGet for packages via the GUI, with information in the detail bar on the right. Quick access to see what packages are in a solution, and what packages have updates available, with easy 1-click updating. If you download a package that requires references to work on other NuGet packages, they will be downloaded and referenced automatically. Productivity Tip If you use any type of source control in Visual Studio as well as using NuGet packages, be sure to right-click on the solution and click "Enable NuGet Package Restore". What this does is add a NuGet package to the solution so that it will be checked in along side your solution, as well as automatically grab packages from NuGet on build if needed. This is an extremely simple system to use to manage your package references, instead of having to manually go into TFS and add the Packages folder. Perspectives I can't stand developing with just one monitor. Especially if it comes to debugging. The great thing about Visual Studio 2010, is that all of the panels and windows are floatable, and can dock to other screens. The only bad thing is, I don't use the same toolset with everything that I am doing. By this, I mean that I don't use all of the same windows for debugging a web application, as I do for coding a WPF application. Only thing is, Visual Studio doesn't save the screen positions for all of the undocked windows. So, I got curious one day and decided to check and see if there was an extension to help out. This is where I found Perspectives. Features Perspectives gives you the ability to configure window positions across any or your monitors, and then to save the positions in a profile. Perspectives offers a Panel to manage different presets/favorites, and a toolbar to add to the toolbars at the top of Visual Studio. Ability to 'Favorite' a profile to add it to the perspectives toolbar. Productivity Tip Take the time to setup profiles for each of your scenarios - debugging web/winforms/xaml, coding, maintenance, etc. Try to remember to use the profiles for a few days, and at the end of a week, you may find that your productivity was never better. Productivity Power Tools Ah, the Productivity Power Tools... Quite possibly one of my most used extensions, if not my most used. The tool pack gives you a variety of enhancements ranging from key shortcuts, interface tweaks, and completely new features to Visual Studio 2010. Features I don't want to bore you with all of the features here, so here are my favorite: Quick Find - Unobtrusive search box in upper-right corner of the code window. Great for searching in general, especially in a file. Solution Navigator - The 'Solution Explorer' on steroids. Easy to search for files, see defined members/properties/methods in files, and my favorite feature is the 'set as root' option. Updated 'Add Reference...' Dialog - This is probably my favorite enhancement period... The 'Add Reference...' dialog redone in a manner that resembles the Extension/Package managers. I especially love the ability to search through all of the references. "Ctrl - Click" for Definition - I am still getting used to this as I usually try to use my keyboard for everything, but I love the ability to hold Ctrl and turn property/methods/variables into hyperlinks, that you click on to see their definitions. Great for travelling down a rabbit hole in an application to research problems. While there are other commands/utilities, I find these to be the ones that I lean on the most for the usefulness. Web Essentials If you have do any type of web development in ASP .Net, ASP .Net MVC, even HTML, I highly suggest grabbing the Web Essentials right NOW! This extension alone is great for productivity in web development, and greatly decreases my development time on new features. Features Some of its best features include: CSS Previews - I say 'previews' because of the multiple kinds of previews in CSS that you get font-family, color, background/background-image previews. This is great for just tweaking UI slightly in different ways and seeing how they look in the CSS window at a glance. Live Preview - One word - awesome! This goes well with my multi-monitor setup. I put the site on one monitor in a Live Preview panel, and then as I make changes to CSS/cshtml/aspx/html, the preview window will update with each save/build automatically. For CSS, you can even turn on live-update, so as you are tweaking CSS, the style changes in real time. Great for tweaking colors or font-sizes. Outlining - Small, but I like to be able to collapse regions/declarations that are in the way of new work, or are just distracting. Commenting Shortcuts - I don't know why it wasn't included by default, but it is nice to have the key shortcuts for commenting working in the CSS editor as well. Productivity Tip When working on a site, hit CTRL-ALT-ENTER to launch the Live Preview window. Dock it to another monitor. When you make changes to the document/css, just save and glance at the other monitor. No need to alt tab, then alt tab before continuing editing. Conclusion These extensions are only the most useful and least intrusive - ones that I use every day. The great thing about Visual Studio 2010 is the extensibility options that it gives developers to utilize. Have an extension that you use that isn't intrusive, but isn't listed here? Please, feel free to comment. I love trying new things, and am always looking for new additions to my toolset of the most useful. Finally, please keep an eye out for Part 2 on key shortcuts in Visual Studio. Also, if you are visiting my site (http://tostringtheory.com || http://geekswithblogs.net/tostringtheory) from an actual browser and not a feed, please let me know what you think of the new styling!

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• A good news for China and Japan developers: Sample Browser is localized to Chinese and Japanese

  - by Jialiang

  Translate this pageArabicBulgarianCatalanChinese SimplifiedChinese TraditionalCzechDanishDutchEstonianFinnishFrenchGermanGreekHaitian CreoleHebrewHindiHmong DawHungarianIndonesianItalianJapaneseKoreanLatvianLithuanianNorwegianPersianPolishPortugueseRomanianRussianSlovakSlovenianSpanishSwedishThaiTurkishUkrainianVietnamese Microsoft® Translator Check out this page in {0} translated from {1}translated fromOriginal:Translated:Automatic translation powered by Microsoft® TranslatorStart translatingStop translatingCloseClose and show original pageSelect The Sample Browser Local Language Support feature is released today!  It is supporting Simplified Chinese and Japanese UI, and is optimized for Chinese and Japanese sample searches.  This should be a good news for China and Japan developers :)  We will add more languages in the near future. Install:  http://aka.ms/samplebrowser If you have already installed the previous version of Sample Browser, you can simply reopen it to get the auto-update. For example, in the Chinese UI, you can directly search samples in Chinese.  The Sample Browser is optimized to surface Chinese samples that match your query first.  This gives China and Japan developers a completely localized experience with code samples!   Particularly thanks to Japan MVPs and Satoru Kitabata – Japan MVP Lead.  Our team leant the strong need of localized Sample Browser from them.  They also devoted much time to translating the UI elements to Japanese, and making it available to Japan developers.

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• Managing .NET Deployment Configuration With Rake

  - by Liam McLennan

  Rake is a ruby internal DSL for build scripting. With (or without) the help of albacore rake makes an excellent build scripting tool for .NET projects. The albacore documentation does a good job of explaining how to build solutions with rake but there is nothing to assist with another common build task – updating configuration files. The following ruby script provides some helper methods for performing common configuration changes that are required as part of a build process.  class ConfigTasks def self.set_app_setting(config_file, key, value) ovsd_element = config_file.root.elements['appSettings'].get_elements("add[@key='#{key}']")[0] ovsd_element.attributes['value'] = value end def self.set_connection_string(config_file, name, connection_string) conn_string_element = config_file.root.elements['connectionStrings'].get_elements("add[@name='#{name}']")[0] conn_string_element.attributes['connectionString'] = connection_string end def self.set_debug_compilation(config_file, debug_compilation) compilation_element = config_file.root.elements['system.web'].get_elements("compilation")[0] compilation_element.attributes['debug'] = false end private def self.write_xml_to_file(xml_document, file) File.open(file, 'w') do |config_file| formatter = REXML::Formatters::Default.new formatter.write(xml_document, config_file) end end end To use, require the file and call the class methods, passing the configuration file name and any other parameters. require 'config_tasks' ConfigTasks.set_app_setting 'web.config', 'enableCache', 'false'

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• Devs For Wendy

  - by Brian Schroer

  If you’re a developer in the New York City area, please check out Devs For Wendy, benefitting Wendy Friedlander and her family… Wendy is a 30 year old software agilista from Long Island. She's a strong WPF developer and a firm believer in the agile method of development including pair programming and TDD. Wendy is wife and mother of a beautiful girl named Kaylee who will be 2 in August. In August of 2009 Wendy learned that she had a rare and agressive pediatric cancer called aveolar rhabdomyosarcoma. Her treatment consists of high dose chemotherapy and radiation. She has had to leave her job, and her husband has been forced into part time work in order to care for their daughter. Please join us at 7pm on July 7th 2010 for a dinner benefiting Wendy brought to you by the NYC development community. You can also donate via PayPal.

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• Introducing Microsoft SQL Server 2008 R2

  - by CatherineRussell

  I was thrilled to find a free ebook: Introducing Microsoft SQL Server 2008 R2,by Ross Mistry and Stacia Misner The purpose in Introducing Microsoft SQL Server 2008 R2 is to point out both the new and the improved in the latest version of SQL Server. Great info and they are sharing it for free. Feel free to follow the authors and ask quesitons on Twitter. @RossMistry @StaciaMisner   Here is the link to the book: http://blogs.msdn.com/b/microsoft_press/archive/2010/04/14/free-ebook-introducing-microsoft-sql-server-2008-r2.aspx

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• Applications: The Mathematics of Movement, Part 2

  - by TechTwaddle

  In part 1 of this series we saw how we can make the marble move towards the click point, with a fixed speed. In this post we’ll see, first, how to get rid of Atan2(), sine() and cosine() in our calculations, and, second, reducing the speed of the marble as it approaches the destination, so it looks like the marble is easing into it’s final position. As I mentioned in one of the previous posts, this is achieved by making the speed of the marble a function of the distance between the marble and the destination point. Getting rid of Atan2(), sine() and cosine() Ok, to be fair we are not exactly getting rid of these trigonometric functions, rather, replacing one form with another. So instead of writing sin(?), we write y/length. You see the point. So instead of using the trig functions as below, double x = destX - marble1.x; double y = destY - marble1.y; //distance between destination and current position, before updating marble position distanceSqrd = x * x + y * y; double angle = Math.Atan2(y, x); //Cos and Sin give us the unit vector, 6 is the value we use to magnify the unit vector along the same direction incrX = speed * Math.Cos(angle); incrY = speed * Math.Sin(angle); marble1.x += incrX; marble1.y += incrY; we use the following, double x = destX - marble1.x; double y = destY - marble1.y; //distance between destination and marble (before updating marble position) lengthSqrd = x * x + y * y; length = Math.Sqrt(lengthSqrd); //unit vector along the same direction as vector(x, y) unitX = x / length; unitY = y / length; //update marble position incrX = speed * unitX; incrY = speed * unitY; marble1.x += incrX; marble1.y += incrY; so we replaced cos(?) with x/length and sin(?) with y/length. The result is the same.   Adding oomph to the way it moves In the last post we had the speed of the marble fixed at 6, double speed = 6; to make the marble decelerate as it moves, we have to keep updating the speed of the marble in every frame such that the speed is calculated as a function of the length. So we may have, speed = length/12; ‘length’ keeps decreasing as the marble moves and so does speed. The Form1_MouseUp() function remains the same as before, here is the UpdatePosition() method, private void UpdatePosition() {     double incrX = 0, incrY = 0;     double lengthSqrd = 0, length = 0, lengthSqrdNew = 0;     double unitX = 0, unitY = 0;     double speed = 0;     double x = destX - marble1.x;     double y = destY - marble1.y;     //distance between destination and marble (before updating marble position)     lengthSqrd = x * x + y * y;     length = Math.Sqrt(lengthSqrd);     //unit vector along the same direction as vector(x, y)     unitX = x / length;     unitY = y / length;     //speed as a function of length     speed = length / 12;     //update marble position     incrX = speed * unitX;     incrY = speed * unitY;     marble1.x += incrX;     marble1.y += incrY;     //check for bounds     if ((int)marble1.x < MinX + marbleWidth / 2)     {         marble1.x = MinX + marbleWidth / 2;     }     else if ((int)marble1.x > (MaxX - marbleWidth / 2))     {         marble1.x = MaxX - marbleWidth / 2;     }     if ((int)marble1.y < MinY + marbleHeight / 2)     {         marble1.y = MinY + marbleHeight / 2;     }     else if ((int)marble1.y > (MaxY - marbleHeight / 2))     {         marble1.y = MaxY - marbleHeight / 2;     }     //distance between destination and marble (after updating marble position)     x = destX - (marble1.x);     y = destY - (marble1.y);     lengthSqrdNew = x * x + y * y;     /*      * End Condition:      * 1. If there is not much difference between lengthSqrd and lengthSqrdNew      * 2. If the marble has moved more than or equal to a distance of totLenToTravel (see Form1_MouseUp)      */     x = startPosX - marble1.x;     y = startPosY - marble1.y;     double totLenTraveledSqrd = x * x + y * y;     if ((int)totLenTraveledSqrd >= (int)totLenToTravelSqrd)     {         System.Console.WriteLine("Stopping because Total Len has been traveled");         timer1.Enabled = false;     }     else if (Math.Abs((int)lengthSqrd - (int)lengthSqrdNew) < 4)     {         System.Console.WriteLine("Stopping because no change in Old and New");         timer1.Enabled = false;     } } A point to note here is that, in this implementation, the marble never stops because it travelled a distance of totLenToTravelSqrd (first if condition). This happens because speed is a function of the length. During the final few frames length becomes very small and so does speed; and so the amount by which the marble shifts is quite small, and the second if condition always hits true first. I’ll end this series with a third post. In part 3 we will cover two things, one, when the user clicks, the marble keeps moving in that direction, rebounding off the screen edges and keeps moving forever. Two, when the user clicks on the screen, the marble moves towards it, with it’s speed reducing by every frame. It doesn’t come to a halt when the destination point is reached, instead, it continues to move, rebounds off the screen edges and slowly comes to halt. The amount of time that the marble keeps moving depends on how far the user clicks from the marble. I had mentioned this second situation here. Finally, here’s a video of this program running,

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• ASP.NET Session Management

  - by geekrutherford

  Great article (a little old but still relevant) about the inner workings of session management in ASP.NET: Underpinnings of the Session State Management Implementation in ASP.NET.   Using StateServer and the BinaryFormatter serialization occuring caused me quite the headache over the last few days. Curiously, it appears the w3wp.exe process actually consumes more memory when utilizing StateServer and storing somewhat large and complex data types in session.   Users began experiencing Out Of Memory exceptions in the production environment. Looking at the stack trace it related to serialization using the BinaryFormatter. Using remote debugging against our QA server I noted that the code in the application functioned without issue. The exception occured outside the context of the application itself when the request had completed and the web server was trying to serialize session state into the StateServer.   The short term solution is switching back to the InProc method. Thus far this has proven to consume considerably less memory and has caused no issues. Long term the complex object stored in session will be off-loaded into a web service used to access the information directly from the database outside the context of the object used to encapsulate it.

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• Mock RequireJS define dependencies with config.map

  - by Aligned

  Originally posted on: http://geekswithblogs.net/Aligned/archive/2014/08/18/mock-requirejs-define-dependencies-with-config.map.aspxI had a module dependency, that I’m pulling down with RequireJS that I needed to use and write tests against. In this case, I don’t care about the actual implementation of the module (it’s simple enough that I’m just avoiding some AJAX calls). EDIT: make sure you look at the bottom example after the edit before using the config.map approach. I found that there is an easier way. I did not want to change the constructor of the consumer as I had a chain of changes that would have to be made and that would have been to invasive for this task. I found a question on StackOverflow with a short, but helpful answer from “Artem Oboturov”. We can use the config.map from RequireJs to achieve this. Here is some code: A module example (“usefulModule” in Common/Modules/usefulModule.js): define([], function() { "use strict"; var testMethod = function() { ... }; // add more functionality of the module return { testMethod; } }); A consumer of usefulModule example: define([ "Commmon/Modules/usefulModule" ], function(usefulModule) { "use strict"; var consumerModule = function(){ var self = this; // add functionality of the module } }); Using config.map in the html of the test runner page (and in your Karma config –> I’m still trying to figure this out): map: {'*': { // replace usefulModule with a mock 'Common/Modules/usefulModule': '/Tests/Specs/Common/usefulModuleMock.js' } } With the new mapping, Require will load usefulModuleMock.js from Tests/Specs/Common instead of the real implementation. Some of the answers on StackOverflow mentioned Squire.js, which looked interesting, but I wasn’t ready to introduce a new library at this time. That’s all you need to be able to mock a depency in RequireJS. However, there are many good cases when you should pass it in through the constructor instead of this approach.   EDIT: After all that, here’s another, probably better way: The consumer class, updated: define([ "Commmon/Modules/usefulModule" ], function(UsefulModule) { "use strict"; var consumerModule = function(){ var self = this; self.usefulModule = new UsefulModule(); // add functionality of the module } }); Jasmine test: define([ "consumerModule", "/UnitTests/Specs/Common/Mocks/usefulModuleMock.js" ], function(consumerModule, UsefulModuleMock){ describe("when mocking out the module", function(){ it("should probably just override the property", function(){ var consumer = new consumerModule(); consumer.usefulModule = new UsefulModuleMock(); }); }); });   Thanks for letting me think out loud :-).

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• Don't Forget To Enjoy Life

  - by Justin

  I have a pretty clear stance on posting personal information in my blogs. I tend to avoid it almost instinctively. Part of that is because I am a somewhat private person. And the other is because I know how easy it is for personal information to be gathered and collected from sources such as blogs. So, this has remained a tech only blog for me. I've only posted topics mostly related to issues I have encountered at work. In a way this blog is a 'bookmark' for me. If I post something here and run into the issue again it allows me to refer back to a convenient place where the 'fix' is documented in a way that I understand. But today, I am posting something that speaks to everyone. Something PERSONAL. Honestly, I expect this entry to receive zero views. But if nothing else, I can come back to this blog one day when I'm having a bad day or something and run across this post. And I will be reminded... DON'T FORGET TO ENJOY LIFE. Say this to yourself out loud, right now. People, we can get caught up in some rather mundane details as we trek through life. It's so easy to lose track of what really matters that it should be no surprise to find yourself reading something like this and thinking to yourself 'Yeah. You are right, man. Some of this crap I'm clinging on to right now is so small in the grand scheme of things'. I have no reservation, no shame, in saying that I am more often than not caught up in the ever evolving world of 'shit that does not matter'. When you work in technology, you are surrounded by deadlines, upgrades, new versions, support 'end of life', etc. And by time you get done with your 8 hours you go home and put in a few more because you are STILL CAUGHT UP in the things you dealt with at work all day. DO YOURSELF A FAVOR. DO YOUR FAMILY AND FRIEND A FAVOR. When you are done for the day, and you drive home, get those work-related things out of your head before you pull into the driveway. If you are still thinking on them when you park the car, leave the engine running, close your eyes and take a deep breath. If you believe in God, pray. If you don't then meditate for a second with the INTENTION of letting go of the day and becoming the 'real you'. You may have forgotten who the real you is so I'll remind you.... THE REAL YOU IS THAT GUY OR GAL THAT LAUGHS, LOVES, AND LIVES. Be the real you as often as possible. If you can't do it during your 9 - 5, do it at home. YOUR RELATIONSHIPS AND YOUR PERSONAL HAPPINESS DEPEND ON IT. I am going to make you a promise right now. If you do what I've just said, your days will be longer and your joy will be exponential. I can't explain why I know this to be true. But I do know it. And if you are there reading this right now, you know it is true too. We both know it is true because it COMES FROM WITHIN EVERY MAN, WOMAN and CHILD. We are born into love and happiness. Lets not fade away into the darkness so easily found in this world. Lets keep the flame burning. The flame of passion. Passion for LIFE. Peace be with you.

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• Two new features in November 2009 CTP

  - by kaleidoscope

  Windows Azure Diagnostics Managed Library: The new Diagnostics API enables logging using standard .NET APIs. The Diagnostics API provides built-in support for collecting standard logs and diagnostic information, including the Windows Azure logs, IIS 7.0 logs, Failed Request logs, crash dumps, Windows Event logs, performance counters, and custom logs. Variable-size Virtual Machines (VMs): Developers may now specify the size of the virtual machine to which they wish to deploy a role instance, based on the role's resource requirements. The size of the VM determines the number of CPU cores, the memory capacity, and the local file system size allocated to a running instance. e.g.: <WebRole name=”WebRole1” vmsize=”ExtraLarge”> Supported values for the ‘vmsize’ are: 1. Small 2. Medium 3. Large 4.       ExtraLarge More information for Diagnostics Managed Library can be found at: http://msdn.microsoft.com/en-us/library/ee758705.aspx   Girish, A

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• Philly.NET C# 4 Code Samples

  - by Steve Michelotti

  Thanks to everyone who attended my C# 4 presentation last night at Philly.NET.  Both the code and the PowerPoint can be downloaded here:  C# 4 New Features.

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