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• AJI Report 14 &ndash; Brian Lagunas on XAML and Windows 8

  - by Jeff Julian

  We sat down with Brian at the Iowa Code Camp to talk about his sessions, WPF, Application Design, and what Infragistics has to offer developers. Infragistics is a huge supporter of regional events like Iowa Code Camp and we want to thank them for their support of the Midwest region. Brian is a sharp guy and it was great to meet him and learn more about what makes him tick. Brian Lagunas is an INETA Community Speaker, co-leader of the Boise .Net Developers User Group (NETDUG), and original author of the Extended WPF Toolkit. He is a multi-recipient of the Microsoft Community Contributor Award and can be found speaking at a variety of user groups and code camps around the nation. Brian currently works at Infragistics as a Product Manager for the award winning NetAdvantage for WPF and Silverlight components. Before geeking out, Brian served his country in the United States Army as an infantryman and later served his local community as a deputy sheriff.   Listen to the Show   Site: http://brianlagunas.com Twitter: @BrianLagunas

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• Where I&rsquo;ve Been

  - by Lee Brandt

  Hey all. I am still here. Still kickin’. I’ve been swamped with work and community stuff. But I wanted to post about some of the things going on. Just finished up Twin Cities Code Camp 8, and had a blast! Always good to see these guys. First of all, up-coming speaking engagements: Iowa Code Camp – May 1st in Iowa City, IA [more info] DevLink – August 5-7 in Nashville, TN [more info]   Plus I am organizing a second developer’s conference in Kansas City. Kansas City Developer’s Conference (KCDC) – June 19th in Kansas City [more info]   I will also be doing Lunch & Learns for my company in April and May at JCCC: April 29th, May 12th and May 27th at Johnson County Community College in Kansas City.   So May, June and August are covered. I may just take July off, I could use a break after KCDC is over.

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• MvcExtensions - PerRequestTask

  - by kazimanzurrashid

  In the previous post, we have seen the BootstrapperTask which executes when the application starts and ends, similarly there are times when we need to execute some custom logic when a request starts and ends. Usually, for this kind of scenario we create HttpModule and hook the begin and end request events. There is nothing wrong with this approach, except HttpModules are not at all IoC containers friendly, also defining the HttpModule execution order is bit cumbersome, you either have to modify the machine.config or clear the HttpModules and add it again in web.config. Instead, you can use the PerRequestTask which is very much container friendly as well as supports execution orders. Lets few examples where it can be used. Remove www Subdomain Lets say we want to remove the www subdomain, so that if anybody types http://www.mydomain.com it will automatically redirects to http://mydomain.com. public class RemoveWwwSubdomain : PerRequestTask { public RemoveWww() { Order = DefaultOrder - 1; } protected override TaskContinuation ExecuteCore(PerRequestExecutionContext executionContext) { const string Prefix = "http://www."; Check.Argument.IsNotNull(executionContext, "executionContext"); HttpContextBase httpContext = executionContext.HttpContext; string url = httpContext.Request.Url.ToString(); bool startsWith3W = url.StartsWith(Prefix, StringComparison.OrdinalIgnoreCase); bool shouldContinue = true; if (startsWith3W) { string newUrl = "http://" + url.Substring(Prefix.Length); HttpResponseBase response = httpContext.Response; response.StatusCode = (int)HttpStatusCode.MovedPermanently; response.Status = "301 Moved Permanently"; response.RedirectLocation = newUrl; response.SuppressContent = true; shouldContinue = false; } return shouldContinue ? TaskContinuation.Continue : TaskContinuation.Break; } } As you can see, first, we are setting the order so that we do not have to execute the remaining tasks of the chain when we are redirecting, next in the ExecuteCore, we checking the whether www is present, if present we are sending a permanently moved http status code and breaking the task execution chain otherwise we are continuing with the chain. Blocking IP Address Lets take another scenario, your application is hosted in a shared hosting environment where you do not have the permission to change the IIS setting and you want to block certain IP addresses from visiting your application. Lets say, you maintain a list of IP address in database/xml files which you want to block, you have a IBannedIPAddressRepository service which is used to match banned IP Address. public class BlockRestrictedIPAddress : PerRequestTask { protected override TaskContinuation ExecuteCore(PerRequestExecutionContext executionContext) { bool shouldContinue = true; HttpContextBase httpContext = executionContext.HttpContext; if (!httpContext.Request.IsLocal) { string ipAddress = httpContext.Request.UserHostAddress; HttpResponseBase httpResponse = httpContext.Response; if (executionContext.ServiceLocator.GetInstance<IBannedIPAddressRepository>().IsMatching(ipAddress)) { httpResponse.StatusCode = (int)HttpStatusCode.Forbidden; httpResponse.StatusDescription = "IPAddress blocked."; shouldContinue = false; } } return shouldContinue ? TaskContinuation.Continue : TaskContinuation.Break; } } Managing Database Session Now, let see how it can be used to manage NHibernate session, assuming that ISessionFactory of NHibernate is already registered in our container. public class ManageNHibernateSession : PerRequestTask { private ISession session; protected override TaskContinuation ExecuteCore(PerRequestExecutionContext executionContext) { ISessionFactory factory = executionContext.ServiceLocator.GetInstance<ISessionFactory>(); session = factory.OpenSession(); return TaskContinuation.Continue; } protected override void DisposeCore() { session.Close(); session.Dispose(); } } As you can see PerRequestTask can be used to execute small and precise tasks in the begin/end request, certainly if you want to execute other than begin/end request there is no other alternate of HttpModule. That’s it for today, in the next post, we will discuss about the Action Filters, so stay tuned.

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• Do You Want "Normal?" Good luck!

  - by divya.malik

  By Steve Diamond Much has been written about "The New Normal." One thing is for sure: whatever THAT is, economically speaking we won't be experiencing it anytime soon. Sure, we're well beyond the "no floor" perception of 18 months ago--which is certainly comforting, but ask any senior executive and they'll tell you of the constant rigor necessary to continually adapt to an ever-changing macro environment. This brings me to a suggestion that you tune in to a Deloitte Webinar titled, "The New Normal: Embrace Complexity or Seek to Simplify." It features the perspectives on this very topic of Jessica Blume, a principal at Deloitte; and Kirk Mosher, VP of CRM Marketing at Oracle.

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• What's going on with INETA and the Regional Speakers Bureau?

  - by Chris Williams

  For those of you that have been waiting patiently (and not so patiently) I'm happy to say that we're very near completion on some changes/enhancements/improvements that will allow us to finally go live with the INETA Regional Speakers Bureau. I know quite a few of you have already registered, which is great (though some of you may need to come back and update your info) and we've had a few folks submit requests, mostly in a test capacity, but soon we'll be up and live. Here's how it breaks down. Be sure to read this, because things have changed a bit from when we initially announced it. 1. The majority of our speaker/event funding is going into the Regional Speakers Bureau.  The National Bureau still exists, but it's a good bit smaller than it was before, and it's not an "every group" benefit anymore. We'll be using the National Bureau as more of a strategic task force, targeting high impact events and areas that need some community building love from INETA. These will be identified and handled on a case by case basis, and may include more than just user group events. 2. You're going to get more events per group, per year than you did before. Not only are we focusing more resources on this program, but we're also making a lot of efforts to use it more effectively. With the INETA Regional Speakers Bureau, you should be able to get 2-3 INETA speakers per year, on average. Not every geographical area will have exactly the same experience, but we're doing the best we can. 3. It's not a farm team program for the National Bureau. Unsurprisingly, I managed to offend a number of people when I previously made the comment that the Regional Speakers Bureau program was a farm team or stepping stone to the National Bureau. It was a poor choice of words.  Anyone can participate in the Regional Speakers Bureau, and I look forward to working with all of you. 4. There is assistance for your efforts. The exact final details are still being hammered out, but expect it to look something like this: (all distances listed are based on a round trip) Distances < 120 miles = $0 121 miles - 240 miles = $50 (effectively 1 to 2 hours, each way) 241 miles - 360 miles = $100 (effectively 2 to 3 hours, each way) 361 miles - 480 miles = $200 (effectively 3 to 4 hours, each way) For those of you who travel a lot, we're working on a solution to handle group visits when you're away from home. These will (for now) be handled on a case by case basis. 5. We're going to make it as easy as possible to work with the program. In order to do this, we need a few things from you. For speakers, that means your home address. It also means (maybe) filling out a simple 1 line expense report via the INETA website. For user groups, it means making sure your meeting address is up to date as well. 6. Distances will be automatically calculated from your home of record to the user group event and back. We realize that this is not a perfect solution to every instance, but we're not paying you to speak at an event, and you won't be taxed on this money. It's simply some assistance to make your community efforts easier. Our way of saying thanks for everything you do. 7. Sounds good so far, what's the catch? There's always a catch, right? In this case there are two of them: 1) At this time, Microsoft employees are welcome to use the website to line up speaking engagements with user groups, but are not eligible for financial assistance. 2) Anyone can register and use the website to line up speaking engagements with user groups, however you must receive and maintain a net score of 3+ positive ratings (we're implementing a thumbs up / thumbs down system) in order to receive financial assistance. These ratings are provided by the User Group leaders after the meeting has taken place. 8. Involvement by the User Group leaders is a key factor in the success of this program. Your job isn't done once you request a speaker. After you've had your meeting, it's critical that you go back to the website and take a very small survey. Doing this ensures that the speaker gets rated (and compensated if eligible) and also ensures that you can make another request, since you won't be able to make a new request if you have an old one outstanding. 9. What about Canada? We're definitely working on that. Unfortunately nothing new to report on that front, other than to say that we're trying. So... this is where things stand currently. We're working very quickly to get this in place and get speakers and groups together. If you have any questions, please leave a comment below and I'll answer them as quickly as possible. If I've forgotten anything, or if things change, I'll update it here. Thanks, Chris G. Williams INETA Board of Directors

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• Need help revolving a 2D array

  - by Brett

  Pretty much all I'm trying to do is revolve my 2D Array by its container. I'm using this array for a background and I seem to be having problems with it revolving. public class TileTransformer : GridConstants { public Tile[,] Tiles; ContentManager Content; public TileTransformer(ContentManager content) { Content = content; } public Tile[,] Wraping(Tile[,] tiles,Point shift) { Tiles = tiles; for (int x = shift.X; x < 0; x++)//Left shift { for (int X = 0; X < GridWidth; X++) { for (int Y = 0; Y < GridHeight; Y++) { if (X + 1 >GridWidth-1) { Tiles[0, Y].Container =tiles[X, Y].Container; } else { Tiles[X+1, Y].Container =tiles[X, Y].Container; } } } } for (int x = shift.X; x > 0; x--)//right shift { for (int X = 0; X < GridWidth; X++) { for (int Y = 0; Y< GridHeight; Y++) { if (X-1==-1) { Tiles[GridWidth-1, Y].Container =tiles[0, Y].Container; } else { Tiles[X - 1, Y].Container =tiles[X, Y].Container; } } } } for (int y = shift.Y; y > 0; y--)//shift up { for (int X = 0; X < GridWidth; X++) { for (int Y = 0; Y < GridHeight; Y++) { if (Y - 1 == -1) { Tiles[X, GridHeight-1].Container = tiles[X, Y].Container; } else { Tiles[X, Y - 1].Container = tiles[X, Y].Container; } } } } for (int y = shift.Y; y < 0; y++)//shift down { for (int X = 0; X < GridWidth; X++) { for (int Y = 0; Y < GridHeight; Y++) { if (Y + 1 == GridHeight) { Tiles[X, 0].Container = tiles[X, Y].Container; } else { Tiles[X, Y + 1].Container = tiles[X, Y].Container; } } } } return Tiles; } Now the Problems that I'm having is either when I shift up or left it seems the whole array is cleared back to the default state. Also when I'm revolving the array it appears to stretch it upon the sides of the screen that it is shifting towards.

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• Solving Euler Project Problem Number 1 with Microsoft Axum

  - by Jeff Ferguson

  Note: The code below applies to version 0.3 of Microsoft Axum. If you are not using this version of Axum, then your code may differ from that shown here. I have just solved Problem 1 of Project Euler using Microsoft Axum. The problem statement is as follows: If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23. Find the sum of all the multiples of 3 or 5 below 1000. My Axum-based solution is as follows: namespace EulerProjectProblem1{ // http://projecteuler.net/index.php?section=problems&id=1 // // If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. // The sum of these multiples is 23. // Find the sum of all the multiples of 3 or 5 below 1000. channel SumOfMultiples { input int Multiple1; input int Multiple2; input int UpperBound; output int Sum; } agent SumOfMultiplesAgent : channel SumOfMultiples { public SumOfMultiplesAgent() { int Multiple1 = receive(PrimaryChannel::Multiple1); int Multiple2 = receive(PrimaryChannel::Multiple2); int UpperBound = receive(PrimaryChannel::UpperBound); int Sum = 0; for(int Index = 1; Index < UpperBound; Index++) { if((Index % Multiple1 == 0) || (Index % Multiple2 == 0)) Sum += Index; } PrimaryChannel::Sum <-- Sum; } } agent MainAgent : channel Microsoft.Axum.Application { public MainAgent() { var SumOfMultiples = SumOfMultiplesAgent.CreateInNewDomain(); SumOfMultiples::Multiple1 <-- 3; SumOfMultiples::Multiple2 <-- 5; SumOfMultiples::UpperBound <-- 1000; var Sum = receive(SumOfMultiples::Sum); System.Console.WriteLine(Sum); System.Console.ReadLine(); PrimaryChannel::ExitCode <-- 0; } }} Let’s take a look at the various parts of the code. I begin by setting up a channel called SumOfMultiples that accepts three inputs and one output. The first two of the three inputs will represent the two possible multiples, which are three and five in this case. The third input will represent the upper bound of the problem scope, which is 1000 in this case. The lone output of the channel represents the sum of all of the matching multiples: channel SumOfMultiples{ input int Multiple1; input int Multiple2; input int UpperBound; output int Sum;} I then set up an agent that uses the channel. The agent, called SumOfMultiplesAgent, received the three inputs from the channel sent to the agent, stores the results in local variables, and performs the for loop that iterates from 1 to the received upper bound. The agent keeps track of the sum in a local variable and stores the sum in the output portion of the channel: agent SumOfMultiplesAgent : channel SumOfMultiples{ public SumOfMultiplesAgent() { int Multiple1 = receive(PrimaryChannel::Multiple1); int Multiple2 = receive(PrimaryChannel::Multiple2); int UpperBound = receive(PrimaryChannel::UpperBound); int Sum = 0; for(int Index = 1; Index < UpperBound; Index++) { if((Index % Multiple1 == 0) || (Index % Multiple2 == 0)) Sum += Index; } PrimaryChannel::Sum <-- Sum; }} The application’s main agent, therefore, simply creates a new SumOfMultiplesAgent in a new domain, prepares the channel with the inputs that we need, and then receives the Sum from the output portion of the channel: agent MainAgent : channel Microsoft.Axum.Application{ public MainAgent() { var SumOfMultiples = SumOfMultiplesAgent.CreateInNewDomain(); SumOfMultiples::Multiple1 <-- 3; SumOfMultiples::Multiple2 <-- 5; SumOfMultiples::UpperBound <-- 1000; var Sum = receive(SumOfMultiples::Sum); System.Console.WriteLine(Sum); System.Console.ReadLine(); PrimaryChannel::ExitCode <-- 0; }} The result of the calculation (which, by the way, is 233,168) is sent to the console using good ol’ Console.WriteLine().

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• how to re-use a sprite in cocos2d-x

  - by zinking

  some times it takes time to create the sprite structures in the scene, I might need to setup structures inside this sprite to meet requirement, thus I would hope to reuse such structures with the game again and again. I tried that, remove the child from parent, detach it from parent , clean parent with the sprite. but when I try to add the sprite to another scene, it's just wont pass the assertion that the sprite already have parent did I miss some step ? add an example: I have a sprite A which involves of quite a few steps to construct, so I used it in scene A layer A, and then I want to use it in scene A layer B, scene B layer A1 etc..... generally speaking I don't want to reconstruct the sprte again.

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• Get Current QuarterEnd for a given FYE Date

  - by Rohit Gupta

  Here is the code to get the Current Quarter End for a Given FYE Date: 1: public static DateTime ThisQuarterEnd(this DateTime date, DateTime fyeDate) 2: { 3: IEnumerable<DateTime> candidates = 4: QuartersInYear(date.Year, fyeDate.Month).Union(QuartersInYear(date.Year + 1, fyeDate.Month)); 5: return candidates.Where(d => d.Subtract(date).Days >= 0).First(); 6: } 7:  8: public static IEnumerable<DateTime> QuartersInYear(int year, int q4Month) 9: { 10: int q1Month = 3, q2Month = 6, q3Month = 9; 11: int q1year = year, q2year = year, q3year = year; 12: int q1Day = 31, q2Day = 31, q3Day = 31, q4Day = 31; 13:  14: 15: q3Month = q4Month - 3; 16: if (q3Month <= 0) 17: { 18: q3Month = q3Month + 12; 19: q3year = year - 1; 20: } 21: q2Month = q4Month - 6; 22: if (q2Month <= 0) 23: { 24: q2Month = q2Month + 12; 25: q2year = year - 1; 26: } 27: q1Month = q4Month - 9; 28: if (q1Month <= 0) 29: { 30: q1Month = q1Month + 12; 31: q1year = year - 1; 32: } 33:  34: q1Day = new DateTime(q1year, q1Month, 1).AddMonths(1).AddDays(-1).Day; 35: q2Day = new DateTime(q2year, q2Month, 1).AddMonths(1).AddDays(-1).Day; 36: q3Day = new DateTime(q3year, q3Month, 1).AddMonths(1).AddDays(-1).Day; 37: q4Day = new DateTime(year, q4Month, 1).AddMonths(1).AddDays(-1).Day; 38:  39: return new List<DateTime>() { 40: new DateTime(q1year, q1Month, q1Day), 41: new DateTime(q2year, q2Month, q2Day), 42: new DateTime(q3year, q3Month, q3Day), 43: new DateTime(year, q4Month, q4Day), 44: }; 45:  46: } The code to get the NextQuarterEnd is simple, just Change the Where clause to read d.Subtract(date).Days > 0 instead of d.Subtract(date).Days >= 0 1: public static DateTime NextQuarterEnd(this DateTime date, DateTime fyeDate) 2: { 3: IEnumerable<DateTime> candidates = 4: QuartersInYear(date.Year, fyeDate.Month).Union(QuartersInYear(date.Year + 1, fyeDate.Month)); 5: return candidates.Where(d => d.Subtract(date).Days > 0).First(); 6: } Also if you need to get the Quarter Label for a given Date, given a particular FYE date then following is the code to use: 1: public static string GetQuarterLabel(this DateTime date, DateTime fyeDate) 2: { 3: int q1Month = fyeDate.Month - 9, q2Month = fyeDate.Month - 6, q3Month = fyeDate.Month - 3; 4:  5: int year = date.Year, q1Year = date.Year, q2Year = date.Year, q3Year = date.Year; 6: 7: if (q1Month <= 0) 8: { 9: q1Month += 12; 10: q1Year = year + 1; 11: } 12: if (q2Month <= 0) 13: { 14: q2Month += 12; 15: q2Year = year + 1; 16: } 17: if (q3Month <= 0) 18: { 19: q3Month += 12; 20: q3Year = year + 1; 21: } 22:  23: string qtr = ""; 24: if (date.Month == q1Month) 25: { 26: qtr = "Qtr1"; 27: year = q1Year; 28: } 29: else if (date.Month == q2Month) 30: { 31: qtr = "Qtr2"; 32: year = q2Year; 33: } 34: else if (date.Month == q3Month) 35: { 36: qtr = "Qtr3"; 37: year = q3Year; 38: } 39: else if (date.Month == fyeDate.Month) 40: { 41: qtr = "Qtr4"; 42: year = date.Year; 43: } 44:  45: return string.Format("{0} - {1}", qtr, year.ToString()); 46: }

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• Why do browsers leak memory?

  - by Dane Balia

  A colleague and I were speaking about browsers (using a browser control object in a project), and it appears as plain as day that all browsers (Firefox, Chrome, IE, Opera) display the same characteristic or side-effect from their usage and that being 'Leaking Memory'. Can someone explain why that is the case? Surely as with any form of code, there should be proper garbage collection? PS. I've read about some defensive patterns on why this can happen from a developer's perspective. I am aware of an article Crockford wrote on IE; but why is the problem symptomatic of every browser? Thanks

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• Seperating entities from their actions or behaviours

  - by Jamie Dixon

  Hi everyone, I'm having a go at creating a very simple text based game and am wondering what the standard design patterns are when it comes to entities (characters, sentient scenery) and the actions those entities can perform. As an example, I have entity that is a 'person' with various properties such as age, gender, height, etc. This 'person' can also perform some actions such as speaking, walking, jumping, flying, etc etc. How would you seperate out the entity from the actions it can perform and what are some common design patterns that solve this kind of problem?

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• Build Your Own CE6 Kernel

  - by Kate Moss' Big Fan

  The Share Source Program in Windows CE provides many modules in %_WINCEROOT%\Private\ tree, and the kernel is one of them! Although it is not full source of kernel but it is good enough for tracing it, even tweak the kernel. Tracing the kernel and see how it works is lots of fun, but it is fascinated to modify and verify the change you made. So first comes first, where is the source of kernel? It's in your %_WINCEROOT%\private\winceos\COREOS\nk\ And next question will be "How do I build it?", Some of you may say just "build -c" there and it should be good. If you are the owner of kernel and got full source, that is definitely the right answer, but none of them are applied to our case though. So what should I do? Let's dig deeper into the coreos\nk folder, there are a couples of subfolder, CELOG, KDSTUB, KERNEL and etc. KERNEL\ is the main component of kernel.dll, in the other word, most of the modify to kernel is going to happen here. And the good thing is, you could "build -c" in %_WINCEROOT%\private\winceos\COREOS\nk\kernel\ with no error at all. But before doing that, remember to backup eveything you are going to modify, including the source and binaries; remember, this is not something belong to you, and if you didn't restore them back later, it could end up confuse the subsequence QFE updates! Here is the steps Backup the source code, I will suggest the whole %_WINCEROOT%\private\winceos\COREOS\nk\ Backup the binaries in common\oak\lib\, and again if you are not sure which files, backup the whole %_WINCEROOT%\common\oak\lib\ is the safest way. Do whatever modification you want in %_WINCEROOT%\private\winceos\COREOS\nk\kernel\ build -c in %_WINCEROOT%\private\winceos\COREOS\nk\kernel If everything went well so far, you should get a new nkmain.lib,nkmain.pdb, nkprmain.lib and nkprmain.pdb in %_WINCEROOT%\public\common\oak\lib\%_TGTCPU%\%WINCEDEBUG%\ Basically, you just rebuild your new kernel, the rest is to "blddemo clean -q" to have your new kernel SYSGEN'd and include in your OS Image. Or just "set WINCEREL=1" then "sysgen -p common nk nkprof" and "makeimg" if you can't wait another minutes for "blddemo clean -q" Tat sounds good, but some of you may not like the idea to alter any code in private folder, and not to mention how annoying to backup/restore files every time. Better idea? Yes, Microsoft provides a tool SYSGEN_CAPTURE (http://msdn.microsoft.com/en-us/library/ee504678.aspx for detail and usage) to creates Sources files for public drivers that you want to modify and build in your platform directory. In fact, not only public drivers, virtually anything in the %_WINCEROOT%\public\<project name>\cesysgen\makefile can be captured, and of course including kernel. So I am going to introduce a second way to build your own kernel by using SYSGEN_CAPTURE tool. Again the steps Create a folder in your BSP for building kernel, says %_TARGETPLATROOT%\SRC\Kernel. Use "SYSGEN_CAPTURE -p common nk" and then you will get a SOURCES.KERN, you could also "SYSGEN_CAPTURE -p common nkprof" to generate profiler enabled kernel. rename the SOURCE.KERN to SOURCES and copy one of the sample makefile into your kernel directory. For example the one in PRIVATE\WINCEOS\COREOS\NK\KERNEL\NKNORMAL. Copy the source files you want to modify from private\winceos\coreos\nk\kernel\ into your kernel directory. Modifying the SOURCES= macro to the source files you addes in step 4. For example, if you copied the vm.c, it is going to be SOURCES=vm.c Refer to the private\winceos\COREOS\nk\kernel\sources.inc and add macro defines and proper include path in your SOURCES file. "set WINCEREL=1", "build -c" in your kernel directory and "makeimg", voila! Here is an example for the MACROS you need to add in x86 Here are the macros for x86 CDEFINES=$(CDEFINES) -DIN_KERNEL -DWINCEMACRO -DKERN_CORE # Machine independent defines CDEFINES=$(CDEFINES) -DDBGSUPPORT _COREOSROOT=$(_WINCEROOT)\private\winceos\coreos INCLUDES=$(_COREOSROOT)\inc;$(_COREOSROOT)\nk\inc !IFDEF DP_SETTINGS CDEFINES=$(CDEFINES) -DDP_SETTINGS=$(DP_SETTINGS) !ENDIF ASM_SAFESEH=1 CDEFINES=$(CDEFINES) -Gs100000 -DENCODE_GS_COOKIE

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• Doing your first mock with JustMock

  - by mehfuzh

  In this post, i will start with a  more traditional mocking example that  includes a fund transfer scenario between two different currency account using JustMock.Our target interface that we will be mocking looks similar to: public interface ICurrencyService {     float GetConversionRate(string fromCurrency, string toCurrency); } Moving forward the SUT or class that will be consuming the  service and will be invoked by user [provided that the ICurrencyService will be passed in a DI style] looks like: public class AccountService : IAccountService         {             private readonly ICurrencyService currencyService;               public AccountService(ICurrencyService currencyService)             {                 this.currencyService = currencyService;             }               #region IAccountService Members               public void TransferFunds(Account from, Account to, float amount)             {                 from.Withdraw(amount);                 float conversionRate = currencyService.GetConversionRate(from.Currency, to.Currency);                 float convertedAmount = amount * conversionRate;                 to.Deposit(convertedAmount);             }               #endregion         }   As, we can see there is a TransferFunds action implemented from IAccountService  takes in a source account from where it withdraws some money and a target account to where the transfer takes place using the provided conversion rate. Our first step is to create the mock. The syntax for creating your instance mocks is pretty much same and  is valid for all interfaces, non-sealed/sealed concrete instance classes. You can pass in additional stuffs like whether its an strict mock or not, by default all the mocks in JustMock are loose, you can use it as default valued objects or stubs as well. ICurrencyService currencyService = Mock.Create<ICurrencyService>(); Using JustMock, setting up your expectations and asserting them always goes with Mock.Arrang|Assert and this is pretty much same syntax no matter what type of mocking you are doing. Therefore,  in the above scenario we want to make sure that the conversion rate always returns 2.20F when converting from GBP to CAD. To do so we need to arrange in the following way: Mock.Arrange(() => currencyService.GetConversionRate("GBP", "CAD")).Returns(2.20f).MustBeCalled(); Here, I have additionally marked the mock call as must. That means it should be invoked anywhere in the code before we do Mock.Assert, we can also assert mocks directly though lamda expressions  but the more general Mock.Assert(mocked) will assert only the setups that are marked as "MustBeCalled()”. Now, coming back to the main topic , as we setup the mock, now its time to act on it. Therefore, first we create our account service class and create our from and to accounts respectively. var accountService = new AccountService(currencyService);   var canadianAccount = new Account(0, "CAD"); var britishAccount = new Account(0, "GBP"); Next, we add some money to the GBP  account: britishAccount.Deposit(100); Finally, we do our transfer by the following: accountService.TransferFunds(britishAccount, canadianAccount, 100); Once, everything is completed, we need to make sure that things were as it is we have expected, so its time for assertions.Here, we first do the general assertions: Assert.Equal(0, britishAccount.Balance); Assert.Equal(220, canadianAccount.Balance); Following, we do our mock assertion,  as have marked the call as “MustBeCalled” it will make sure that our mock is actually invoked. Moreover, we can add filters like how many times our expected mock call has occurred that will be covered in coming posts. Mock.Assert(currencyService); So far, that actually concludes our  first  mock with JustMock and do stay tuned for more. Enjoy!!

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• VirtualBox

  - by DesigningCode

  I was wanting to play around with something in a VM the other day.  I was curious what was available for free, if anything, for windows.   I quickly came across Virtual Box  ( http://www.virtualbox.org/ ).   Downloaded, Installed. No Problem!  Works really nicely.   It was commercial software (by sun (now oracle)) that turned open source.   In terms of a license it says :- In summary, the VirtualBox PUEL allows you to use VirtualBox free of charge for personal use or, alternatively, for product evaluation. An interesting feature it has is built in RDP.   Which is useful if you have a guest OS that doesn’t support RDP.   Speaking of RDP…..  which I will in my next blog post… I learnt something REALLY useful the other day.

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• Do You Want "Normal?" Good luck!

  - by steve.diamond

  Much has been written about "The New Normal." One thing is for sure: whatever THAT is, economically speaking we won't be experiencing it anytime soon. Sure, we're well beyond the "no floor" perception of 18 months ago--which is certainly comforting, but ask any senior executive and they'll tell you of the constant rigor necessary to continually adapt to an ever-changing macro environment. This brings me to a suggestion that you tune in to a Deloitte Webinar titled, "The New Normal: Embrace Complexity or Seek to Simplify." It features the perspectives on this very topic of Jessica Blume, a principal at Deloitte; and Kirk Mosher, VP of CRM Marketing at Oracle.

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• OpenGL slower than Canvas

  - by VanDir

  Up to 3 days ago I used a Canvas in a SurfaceView to do all the graphics operations but now I switched to OpenGL because my game went from 60FPS to 30/45 with the increase of the sprites in some levels. However, I find myself disappointed because OpenGL now reaches around 40/50 FPS at all levels. Surely (I hope) I'm doing something wrong. How can I increase the performance at stable 60FPS? My game is pretty simple and I can not believe that it is impossible to reach them. I use 2D sprite texture applied to a square for all the objects. I use a transparent GLSurfaceView, the real background is applied in a ImageView behind the GLSurfaceView. Some code public MyGLSurfaceView(Context context, AttributeSet attrs) { super(context); setZOrderOnTop(true); setEGLConfigChooser(8, 8, 8, 8, 0, 0); getHolder().setFormat(PixelFormat.RGBA_8888); mRenderer = new ClearRenderer(getContext()); setRenderer(mRenderer); setLongClickable(true); setFocusable(true); } public void onSurfaceCreated(final GL10 gl, EGLConfig config) { gl.glEnable(GL10.GL_TEXTURE_2D); gl.glShadeModel(GL10.GL_SMOOTH); gl.glDisable(GL10.GL_DEPTH_TEST); gl.glDepthMask(false); gl.glEnable(GL10.GL_ALPHA_TEST); gl.glAlphaFunc(GL10.GL_GREATER, 0); gl.glEnable(GL10.GL_BLEND); gl.glBlendFunc(GL10.GL_ONE, GL10.GL_ONE_MINUS_SRC_ALPHA); gl.glHint(GL10.GL_PERSPECTIVE_CORRECTION_HINT, GL10.GL_NICEST); } public void onSurfaceChanged(GL10 gl, int width, int height) { gl.glViewport(0, 0, width, height); gl.glMatrixMode(GL10.GL_PROJECTION); gl.glLoadIdentity(); gl.glOrthof(0, width, height, 0, -1f, 1f); gl.glMatrixMode(GL10.GL_MODELVIEW); gl.glLoadIdentity(); } public void onDrawFrame(GL10 gl) { gl.glClear(GL10.GL_COLOR_BUFFER_BIT); gl.glMatrixMode(GL10.GL_MODELVIEW); gl.glLoadIdentity(); gl.glEnableClientState(GL10.GL_VERTEX_ARRAY); gl.glEnableClientState(GL10.GL_TEXTURE_COORD_ARRAY); // Draw all the graphic object. for (byte i = 0; i < mGame.numberOfObjects(); i++){ mGame.getObject(i).draw(gl); } // Disable the client state before leaving gl.glDisableClientState(GL10.GL_VERTEX_ARRAY); gl.glDisableClientState(GL10.GL_TEXTURE_COORD_ARRAY); } mGame.getObject(i).draw(gl) is for all the objects like this: /* HERE there is always a translatef and scalef transformation and sometimes rotatef */ gl.glBindTexture(GL10.GL_TEXTURE_2D, mTexPointer[0]); // Point to our vertex buffer gl.glVertexPointer(3, GL10.GL_FLOAT, 0, mVertexBuffer); gl.glTexCoordPointer(2, GL10.GL_FLOAT, 0, mTextureBuffer); // Draw the vertices as triangle strip gl.glDrawArrays(GL10.GL_TRIANGLE_STRIP, 0, mVertices.length / 3); EDIT: After some test it seems to be due to the transparent GLSurfaceView. If I delete this line of code: setEGLConfigChooser(8, 8, 8, 8, 0, 0); the background becomes all black but I reach 60 fps. What can I do?

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• Cheap, Awesome, Programmer-friendly City in Europe for 1 year Study Hiatus?

  - by Gonjasufi

  Next year I'll be 21. I'll have 3 years of professional experience under my belt (with a one year break as a soldier). I'm planning to take 2 to 3 years off. Instead of going to a university I'm planning to work on personal projects and learn on my own. I'm looking for suggestions of great, cheap, programmer-friendly (e.g. lots of cafes, ordered food, parks, blazing fast internet connection, wifi, lots of people that speak English) cities around the world, (and specifically in Europe as I also have european citizenship). If you can supply with an estimate cost of living for that city, or a site for comparisons that will also be great. edit: I'm living in Tel Aviv, ~20 highest cost of living city in the world, so statistically speaking almost all the cities are cheaper.

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• Patrick Curran Session-Keynote at DOAG 2012

  - by Heather VanCura

  Patrick Curran, Chair of the  Java Community Process (JCP) and Director of the JCP Program Management Office, will be speaking this week at the DOAG 2012 event in Nuremberg Germany. Keynote Java: Restructuring the Java Community ProcessNovember, 22nd | 09:00-09:45 am The Java Community Process (JCP) plays a critical role in the evolution of Java.  This keynote will explain how the JCP is organized and how interested members of the Java community - commercial organizations, non-profits, Java user-groups, and individual developers - work together to advance the Java language and platforms. It will then discuss recent and upcoming changes to the JCP's structure and operating processes, and will explain how these changes ('JCP.next') will make the organization more efficient and will ensure that its work is carried out in a more open and more transparent manner.

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• Serving up a RSS feed in MVC using WCF Syndication

  - by brian_ritchie

  With .NET 3.5, Microsoft added the SyndicationFeed class to WCF for generating ATOM 1.0 & RSS 2.0 feeds.  In .NET 3.5, it lives in System.ServiceModel.Web but was moved into System.ServiceModel in .NET 4.0. Here's some sample code on constructing a feed: .csharpcode, .csharpcode pre { font-size: small; color: black; font-family: Consolas, "Courier New", Courier, Monospace; background-color: #ffffff; /*white-space: pre;*/ } .csharpcode pre { margin: 0em; } .csharpcode .rem { color: #008000; } .csharpcode .kwrd { color: #0000ff; } .csharpcode .str { color: #006080; } .csharpcode .op { color: #0000c0; } .csharpcode .preproc { color: #cc6633; } .csharpcode .asp { background-color: #ffff00; } .csharpcode .html { color: #800000; } .csharpcode .attr { color: #ff0000; } .csharpcode .alt { background-color: #f4f4f4; width: 100%; margin: 0em; } .csharpcode .lnum { color: #606060; } 1: SyndicationFeed feed = new SyndicationFeed(title, description, new Uri(link)); 2: feed.Categories.Add(new SyndicationCategory(category)); 3: feed.Copyright = new TextSyndicationContent(copyright); 4: feed.Language = "en-us"; 5: feed.Copyright = new TextSyndicationContent(DateTime.Now.Year + " " + ownerName); 6: feed.ImageUrl = new Uri(imageUrl); 7: feed.LastUpdatedTime = DateTime.Now; 8: feed.Authors.Add(new SyndicationPerson() { Name = ownerName, Email = ownerEmail }); 9:   10: var feedItems = new List<SyndicationItem>(); 11: foreach (var item in Items) 12: { 13: var sItem = new SyndicationItem(item.title, null, new Uri(link)); 14: sItem.Summary = new TextSyndicationContent(item.summary); 15: sItem.Id = item.id; 16: if (item.publishedDate != null) 17: sItem.PublishDate = (DateTimeOffset)item.publishedDate; 18: sItem.Links.Add(new SyndicationLink() { Title = item.title, Uri = new Uri(link), Length = item.size, MediaType = item.mediaType }); 19: feedItems.Add(sItem); 20: } 21: feed.Items = feedItems;   Then, we create a custom ContentResult to serialize the feed & stream it to the client: 1: public class SyndicationFeedResult : ContentResult 2: { 3: public SyndicationFeedResult(SyndicationFeed feed) 4: : base() 5: { 6: using (var memstream = new MemoryStream()) 7: using (var writer = new XmlTextWriter(memstream, System.Text.UTF8Encoding.UTF8)) 8: { 9: feed.SaveAsRss20(writer); 10: writer.Flush(); 11: memstream.Position = 0; 12: Content = new StreamReader(memstream).ReadToEnd(); 13: ContentType = "application/rss+xml" ; 14: } 15: } 16: } Finally, we wire it up through the controller: 1: public class RssController : Controller 2: { 3: public SyndicationFeedResult Feed() 4: { 5: var feed = new SyndicationFeed(); 6: // populate feed... 7: return new SyndicationFeedResult(feed); 8: } 9: }   In the next post, I'll discuss how to add iTunes markup to the feed to publish it on iTunes as a Podcast. 

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• Mobile-SOA Integration by Oracle SOA Suite Customer Agilent

  - by Bruce Tierney

  I attended an excellent session by Oracle SOA Suite customer Rajesh Gathwala from Agilent.  He said most mobile vendors have their own embedded toolsets but the problem arises when you have too many of these disparate toolsets in the organization..."How many toolsets do you want?".  He highlighted his solution which standardizes on Oracle SOA Suite for integration including mobile.  Here is a screenshot describing how the integration includes Oracle eBusiness Suite, Oracle Service Bus and the security solution from his presentation: You can see a video of Rajesh speaking about Agilent's Oracle SOA Suite implementation from last years OpenWorld (prior to his mobile integration).

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• Oracle Transportation Management Annual Customer Conference

  - by [email protected]

  The 2010 Oracle Transportation Management (OTM) Conference will be held June 13-16 in Philadelphia, Pennsylvania. The conference brings together all things OTM: users, prospective users, development personnel, product strategy, implementation experts, and software and services partners.  With over 200 attendees, this conference is the premiere location and time to learn about OTM, build relationships with peers, and get answers to all your OTM questions.    This year's conference will be held at the: Sheraton Society Hill, One Dock St., Philadelphia, PA. 19106Companies speaking at this year's event include:AT&T Land O Lakes BlueScope Steel Baillie Lumber Kraft Sears Roseburg Forest Products Toyota Beckman CoulterLevi StraussNiagara BottlingSmurfit StonePQ CorporationOffice Depot               To register click here http://www.otmconference.com/ConfAgenda.aspx.  1

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• Are there any non-english programming languages? [closed]

  - by samarudge

  Possible Duplicate: Non-English-based programming languages Not sure if this is the right place to ask this, but I'm going to anyway. Without fail, every programming language I've ever seen, used or heard of has it's keywords based around English. if, else, while, for, query, foreach, image, path, extension, the list goes on, are all based around English words. Are there any languages, or ports of languages that base their core keywords based on non-english words to lower the wall for non-english speaking programmers? This is mostly for intrest (English is my first language so it's no problem for me). Are these languages popular locally (I.E. might a software development house in Germany use a programming language based in German over one based in English).

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• SQL Saturday #39 in NYC

  - by roman

  This weekend I will be speaking at the NYC SQL Saturday . The whole event was supposed to be BI focused but now the schedule shows a lot of non BI stuff as well. I will be presenting SQL Server 2008 Reporting Services Programming , one of my favorite topics to present on. It seems that the event if fully booked. I'll be coming down on my bike taking scenic roads through MA and CT so I will not make it to the speaker dinner. But the forecast looks good so I am pretty psyched to finally venture out...(read more)

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• When you are expecting a promoting, do you prefer an technical or administrative job? [closed]

  - by Darf Zon

  As a programmer, they offered me an upgrade as project manager, but my feeling is that I can have a more effective contribution in a technical role that in one administrative. When should I accept the promotion? Generally speaking, I think that people should do what they love and what they like to do, from the time you are offered a promotion to someone is because he has been doing a great job today, and certainly learn new things in the new position and obviously have a better financial remuneration, but if it really is something you do not like do not good that post. That's my opinion.

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• Subterranean IL: Custom modifiers

  - by Simon Cooper

  In IL, volatile is an instruction prefix used to set a memory barrier at that instruction. However, in C#, volatile is applied to a field to indicate that all accesses on that field should be prefixed with volatile. As I mentioned in my previous post, this means that the field definition needs to store this information somehow, as such a field could be accessed from another assembly. However, IL does not have a concept of a 'volatile field'. How is this information stored? Attributes The standard way of solving this is to apply a VolatileAttribute or similar to the field; this extra metadata notifies the C# compiler that all loads and stores to that field should use the volatile prefix. However, there is a problem with this approach, namely, the .NET C++ compiler. C++ allows methods to be overloaded using properties, like volatile or const, on the parameters; this is perfectly legal C++: public ref class VolatileMethods { void Method(int *i) {} void Method(volatile int *i) {} } If volatile was specified using a custom attribute, then the VolatileMethods class wouldn't be compilable to IL, as there is nothing to differentiate the two methods from each other. This is where custom modifiers come in. Custom modifiers Custom modifiers are similar to custom attributes, but instead of being applied to an IL element separately to its declaration, they are embedded within the field or parameter's type signature itself. The VolatileMethods class would be compiled to the following IL: .class public VolatileMethods { .method public instance void Method(int32* i) {} .method public instance void Method( int32 modreq( [mscorlib]System.Runtime.CompilerServices.IsVolatile)* i) {} } The modreq([mscorlib]System.Runtime.CompilerServices.IsVolatile) is the custom modifier. This adds a TypeDef or TypeRef token to the signature of the field or parameter, and even though they are mostly ignored by the CLR when it's executing the program, this allows methods and fields to be overloaded in ways that wouldn't be allowed using attributes. Because the modifiers are part of the signature, they need to be fully specified when calling such a method in IL: call instance void Method( int32 modreq([mscorlib]System.Runtime.CompilerServices.IsVolatile)*) There are two ways of applying modifiers; modreq specifies required modifiers (like IsVolatile), and modopt specifies optional modifiers that can be ignored by compilers (like IsLong or IsConst). The type specified as the modifier argument are simple placeholders; if you have a look at the definitions of IsVolatile and IsLong they are completely empty. They exist solely to be referenced by a modifier. Custom modifiers are used extensively by the C++ compiler to specify concepts that aren't expressible in IL, but still need to be taken into account when calling method overloads. C++ and C# That's all very well and good, but how does this affect C#? Well, the C++ compiler uses modreq(IsVolatile) to specify volatility on both method parameters and fields, as it would be slightly odd to have the same concept represented using a modifier or attribute depending on what it was applied to. Once you've compiled your C++ project, it can then be referenced and used from C#, so the C# compiler has to recognise the modreq(IsVolatile) custom modifier applied to fields, and vice versa. So, even though you can't overload fields or parameters with volatile using C#, volatile needs to be expressed using a custom modifier rather than an attribute to guarentee correct interoperability and behaviour with any C++ dlls that happen to come along. Next up: a closer look at attributes, and how certain attributes compile in unexpected ways.

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