Scott Hanselman

Solved and Fixed: StreetPass stopped working on Nintendo 3DS XL

January 25, '17 Comments [1] Posted in Gaming
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Nice to meet you! says my MiiYes, this is kind of a silly blog post but it's been bugging me for months so I wanted to get it out there in case it helps someone who is googling for the answer!

I have a little Nintendo 3DS XL (the "new" one) that I bought for long trips. It's a great little device with a large library of games, plus it plays SNES classics like Super Metroid. All in all, I'm thrilled with the purchase.

It has wifi, and both Netflix and Hulu in a pinch for the kids, but it also has some really cool social features using a proprietary wifi connection called "StreetPass." The nutshell is that if you pass by someone (within 30-40 feet in my experience) their "Mii" avatar will jump into your game console and bring with it data from other games.

There's simple stuff like Puzzles, there's mini games like Find Mii, and StreetPass enhances more complex games like Mario World or Resident Evil: Revelations by adding in whole new components. In Resident Evil you'll get communications and weapons drops from your colleagues who are apparently fighting zombies at the same time as you. In Shovel Knight you can race the "ghost" of another player. It's safe and anonymous.

If you travel it's even cooler as you'll StreetPass people in airports and collect their countries or states of origin. I carry my 3DS to conventions and all over the world. It's a hoot.

BUT. A few months back it stopped StreetPassing. Nothing happened, ever. I made sure everything was updated, turned it on and off, but nada.

Recently I fixed it and I'm sure it will fix StreetPass for you also.

  • Go into Mii Maker and design a secondary Mii. Doesn't matter what it looks like. I did it quickly.
  • Switch to that secondary Mii. You won't lose anything.
  • Exit Mii Maker, then go back in and switch back to your original Mii.
    • I surmise that this clears things out and re-writes some settings for you.
    • I also changed my Mii's hat and outfit just to make sure it was re-written completely.
  • Head over to Mii Plaza and you should be all set.

My system started StreetPassing within a few hours.

Photo Jan 24, 9 59 42 PM

I hope this helps someone because as a traveller who really digs StreetPass, having it not work was really harshing my mellow. By the way, I REALLY love this "DreamGear" rubber case I got for my 3DS. It changes the shape of it, makes it larger, almost like an Xbox controller. That's an Amazon link that you can use that will help me get more 3DS games. ;)


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About Scott

Scott Hanselman is a former professor, former Chief Architect in finance, now speaker, consultant, father, diabetic, and Microsoft employee. He is a failed stand-up comic, a cornrower, and a book author.

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Working with Multiple .NET Core SDKs - both project.json and msbuild/csproj

January 21, '17 Comments [9] Posted in
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As .NET Core and ASP.NET Core make the transition from project.json style project files to MSBuild (csproj) style files, I'm starting to get myself up to speed on what's needed, what's changing, and why/if it's a good thing. Documentation is still getting updated but there's a great blog post from Nate McMaster who works on the team.

As I touched on in a previous post, you can continue working on project.json based projects while experimenting with the newer stuff. Here I have a global.json with the version pinned to an earlier SDK. Then I move to another folder and the .NET CLI gives me another version. Projects can remember and pin their SDK versions.

Global.json is useful

This is assuming that you do have multiple versions (and the ones you want) installed:

Here I have 4 SDKs installed and I can see them in my installation folder

To be clearer, I'll run "dotnet new" in one folder and again run "dotnet new" in another. Note that one has global.json pinned older "LTS" (Long Term Support) SDK with project.json and one will use the later "Current" (bleeding-edge) stuff.

See how that works?

C:\Users\scott\Desktop\csprojstuff> dotnet new
Created new C# project in C:\Users\scott\Desktop\csprojstuff.

C:\Users\scott\Desktop\csprojstuff> dir
Volume in drive C is Windows
Volume Serial Number is 00C1-AED2

Directory of C:\Users\scott\Desktop\csprojstuff

01/23/2017 01:09 PM <DIR> .
01/23/2017 01:09 PM <DIR> ..
12/07/2016 09:49 PM 422 csprojstuff.csproj
12/07/2016 09:49 PM 133 Program.cs
2 File(s) 555 bytes
2 Dir(s) 149,845,356,544 bytes free

C:\Users\scott\Desktop\csprojstuff> cd ..\projjsonstuff

C:\Users\scott\Desktop\projjsonstuff> dotnet new
Created new C# project in C:\Users\scott\Desktop\projjsonstuff.

C:\Users\scott\Desktop\projjsonstuff> dir
Volume in drive C is Windows
Volume Serial Number is 00C1-AED2

Directory of C:\Users\scott\Desktop\projjsonstuff

01/23/2017 01:10 PM <DIR> .
01/23/2017 01:10 PM <DIR> ..
01/23/2017 01:05 PM 95 global.json
06/21/2016 07:10 PM 214 Program.cs
06/21/2016 07:10 PM 367 project.json
3 File(s) 676 bytes
2 Dir(s) 149,844,484,096 bytes free

Now I can also "migrate" that project.json forward with "dotnet migrate." That's a NEW command so look what happens if I just run it locally there without changing the global.json pinned SDK version? Doesn't work. For this example I'll delete global.json and run it again.

C:\Users\scott\Desktop\projjsonstuff> dotnet migrate
No executable found matching command "dotnet-migrate"

C:\Users\scott\Desktop\projjsonstuff> del global.json

C:\Users\scott\Desktop\projjsonstuff> dotnet migrate
Project projjsonstuff migration succeeded (C:\Users\scott\Desktop\projjsonstuff)
Summary
Total Projects: 1
Succeeded Projects: 1
Failed Projects: 0


C:\Users\scott\Desktop\projjsonstuff> dir
Volume in drive C is Windows
Volume Serial Number is 00C1-AED2

Directory of C:\Users\scott\Desktop\projjsonstuff

01/23/2017 01:11 PM <DIR> .
01/23/2017 01:11 PM <DIR> ..
01/23/2017 01:11 PM <DIR> backup
06/21/2016 07:10 PM 214 Program.cs
01/23/2017 01:11 PM 944 projjsonstuff.csproj
2 File(s) 1,158 bytes
3 Dir(s) 149,843,054,592 bytes free

Again, go check out Nate's excellent blog on the topic. He also covers briefly how you can publish "Standalone" or "Self-Contained" Deployments, and points out that in MSBuild world, all projects are portable until you decide to target a runtime:

dotnet publish --framework netcoreapp1.0 /p:RuntimeIdentifier=osx.10.11-x64

More on this as it comes!


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About Scott

Scott Hanselman is a former professor, former Chief Architect in finance, now speaker, consultant, father, diabetic, and Microsoft employee. He is a failed stand-up comic, a cornrower, and a book author.

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Three FREE Training Courses on ASP.NET Core from Microsoft Virtual Academy

January 17, '17 Comments [17] Posted in ASP.NET
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This time last year we did a Microsoft Virtual Academy class on what was then called "ASP.NET 5." It made sense to call it 5 since 5 > 4.6, right? But since then ASP.NET 5 has become .NET Core 1.0 and ASP.NET Core 1.0. It's 1.0 because it's smaller, newer, and different. As the .NET "full" framework marches on, on Windows, .NET Core is cross-platform and for the cloud.

Command line concepts like dnx, dnu, and dnvm have been unified into a single "dotnet" driver. You can download .NET Core at http://dot.net and along with http://code.visualstudio.com you can get a web site up and running in 10 minutes on Windows, Mac, or many flavors of Linux.

So, we've decided to update and refresh our Microsoft Virtual Academy. In fact, we've done three days of training. Introduction, Intermediate, and Cross-Platform and all three days are now available! We just released training for ASP.NET Core 1.0 Cross-Platform that shows Mac, Ubuntu, and Docker!

Head over to Microsoft Virtual Academy and watch our new, free "Introduction to ASP.NET Core 1.0." It's a great relaxed pace if you've been out of the game for a bit, or you're a seasoned .NET "Full" developer who has avoided learning .NET Core thus far. If you don't know the C# language yet, check out our online C# tutorial first, then watch the video.

Introduction to ASP.NET Core 1.0

Join experts Scott Hanselman and Maria Naggaga, and find out how to build .NET Core applications on any operating system. Bring your web development expertise and roll up your sleeves, for this first in a three-part series.

image

Intermediate ASP.NET Core 1.0

Want a deeper dive into ASP.NET Core 1.0? Build on what you learned in Introduction to ASP.NET Core 1.0, and explore this new technology even further, as Scott Hanselman, Jeff Fritz, and Rowan Miller offer an in-depth, intermediate-level look at ASP.NET Core 1.0.

Intermediate ASP.NET Core 1.0

ASP.NET Core 1.0 Cross-Platform

Ready to build and deploy ASP.NET Core 1.0 apps? Join experts Scott Hanselman, Maria Naggaga, and Glenn Condron, and see how to do just that using Mac and Linux. Revisit content from the Introduction to ASP.NET Core 1.0 course, but using a Mac and Linux.

image

Do us a favor when you watch these, rate them (5 stars!) and SHARE them on your social networks.

NOTE: There's a LOT of quality free courseware for learning .NET Core and ASP.NET Core. We've put the best at http://asp.net/free-courses and I encourage you to check them out!

Hope you have as much fun with these courses as we had creating them!


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About Scott

Scott Hanselman is a former professor, former Chief Architect in finance, now speaker, consultant, father, diabetic, and Microsoft employee. He is a failed stand-up comic, a cornrower, and a book author.

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Monday Vision, Daily Outcomes, Friday Reflection for Remote Team Management

January 15, '17 Comments [9] Posted in Productivity
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Monday Vision, Friday ReflectionMy friend J.D. Meier has an amazing blog called Sources of Insight and he's written a fantastic book called Getting Results the Agile Way. You can buy his book on Amazon (it's free on Kindle Unlimited!). I put J.D. up there with David Allen and Stephen Covey except J.D. is undiscovered. For real. If you've seen my own live talk on Personal Productivity and Information Overload you know I reference J.D.'s work a lot.

I've been a people manager as well as an IC (individual contributor) for a while now, and while I don't yet have the confidence to tell you I'm a good manager, I can tell you that I'm trying and that I'm introspective about my efforts.

My small team applies J.D.'s technique of "Monday Vision, Daily Outcomes, Friday Reflection" to our own work. As he says, this is the heart of his results system.

The way it works is, on Mondays, you figure out the 3 outcomes you want for the week.  Each day you identify 3 outcomes you want to accomplish.  On Friday, you reflect on 3 things going well and 3 things to improve.  It’s that simple. - J.D. Meier

We are a remote team and we are in three different time zones so the "morning standup" doesn't really work so well for us. We want a "scrum" style standup, but we're a team that lives in Email/Slack/Microsoft Teams/Skype.

Here's how Monday Vision works for us as a team. We are transparent about what we're working on and we are honest about what works and when we stumble.

  • On Monday morning each of us emails the team with:
    • What we hope to accomplish this week. Usually 3-5 things.
    • This isn't a complete list of everything on our minds. It's just enough to give context and a vector/direction.

It's important that we are clear on what our goals are. What would it take for this week to be amazing? What kinds of things are standing in our way? As a manager I think my job is primarily as traffic cop and support. My job is to get stuff out of my team's way. That might be paperwork, other teams, technical stuff, whatever is keeping them out of their flow.

These emails might be as simple as this (~real) example from a team member.

Last Week:

  • DevIntersection Conference
    • Workshop and 2 sessions
  • Got approval from Hunter for new JavaScript functionality

This Week:

  • Trip Report, Expenses, and general administrivia from the event last week
  • Final planning for MVP Summit
  • Spring Planning for ASP.NET Web Forms, IIS Express, EF4, WCF, and more 
  • Modern ASP.NET Web Forms research paper
  • Thursday evening – presenting over Skype to the London.NET user-group “Introduction to Microservices in ASP.NET Core”

Again, the lengths and amount of detail vary. Here's the challenge part though - and my team hasn't nailed this yet and that's mostly my fault - Friday Reflection. I have an appointment on my calendar for Friday at 4:30pm to Reflect. This is literally blocked out time to look back and ask these questions....

  • On Friday evening on the way out, email the team with:
    • What worked this week? Why didn't Project Foo get done? Was the problem technical? Logistical? Organizational?
    • Did you feel amazing about this week? Why? Why not? How can we make next week feel better?

What do you do to kick off and close down your week?

Related J.D. Meier productivity reading


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About Scott

Scott Hanselman is a former professor, former Chief Architect in finance, now speaker, consultant, father, diabetic, and Microsoft employee. He is a failed stand-up comic, a cornrower, and a book author.

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What .NET Developers ought to know to start in 2017

January 11, '17 Comments [74] Posted in Musings
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.NET ComponentsMany many years ago I wrote a blog post about what .NET Developers ought to know. Unfortunately what was just a list of questions was abused by recruiters and others who used it as a harsh litmus test.

There's a lot going on in the .NET space so I thought it would be nice to update with a gentler list that could be used as a study guide and glossary. Jon Galloway and I sat down and put together this list of terms and resources.

Your first reaction might be "wow that's a lot of stuff, .NET sucks!" Most platforms have similar glossaries or barriers to entry. There's TLAs (three letter acronyms) in every language and computer ecosystems. Don't get overwhelmed, start with Need To Know and move slowly forward. Also, remember YOU decide when you want to draw the line. You don't need to know everything. Just know that every layer and label has something underneath it and the whatever program you're dealing with may be in a level you have yet to dig into.

Draw a line under the stuff you need to know. Know that, and know you can look the other stuff up.  Some of us want the details – the internals. Others don't. You may learn from the Metal Up or from the Glass Back. Know your style, and revel in it.

First, you can start learning .NET and C# online at https://dot.net. You can learn F# online here http://www.tryfsharp.org. Both sites let you write code without downloading anything. You just work in your browser.

When you're ready, get .NET Core and Visual Studio Code at https://dot.net and start reading! 

Need To Know

  • What's .NET? .NET has some number of key components. We'll start with runtimes and languages.
  • Here are the three main runtimes:
    • .NET Framework - The .NET framework helps you create mobile, desktop, and web applications that run on Windows PCs, devices and servers.
    • .NET Core - .NET Core gives you a fast and modular platform for creating server applications that run on Windows, Linux and Mac.
    • Mono for Xamarin - Xamarin brings .NET to iOS and Android, reusing skills and code while getting access to the native APIs and performance. Mono is an open source .NET that was created before Xamarin and Microsoft joined together. Mono will support the .NET Standard as another great .NET runtime that is open source and flexible. You'll also find Mono in the Unity game development environment.
  • Here are the main languages:
    • C# is simple, powerful, type-safe, and object-oriented while retaining the expressiveness and elegance of C-style languages. Anyone familiar with C and similar languages will find few problems in adapting to C#. Check out the C# Guide to learn more about C# or try it in your browser at https://dot.net
    • F# is a cross-platform, functional-first programming language that also supports traditional object-oriented and imperative programming. Check out the F# Guide to learn more about F# or try it in your browser at http://www.tryfsharp.org 
    • Visual Basic is an easy language to learn that you can use to build a variety of applications that run on .NET. I started with VB many years ago.
  • Where do I start?
  • After runtimes and languages, there's platforms and frameworks.
    • Frameworks define the APIs you can use. There's the .NET 4.6 Framework, the .NET Standard, etc. Sometimes you'll refer to them by name, or in code and configuration files as a TFM (see below)
    • Platform (in the context of .NET) - Windows, Linux, Mac, Android, iOS, etc. This also includes Bitness, so x86 Windows is not x64 Windows. Each Linux distro is its own platform today as well.
  • TFMs (Target Framework Moniker) - A moniker (string) that lets you refer to target framework + version combinations. For example, net462 (.NET 4.6.2), net35 (.NET 3.5), uap (Universal Windows Platform). For more information, see this blog post. Choosing a TFM decides which APIs are available to you, and which frameworks your code can run on.
  • NuGet - NuGet is the package manager for the Microsoft development platform including .NET. The NuGet client tools provide the ability to produce and consume packages. The NuGet Gallery is the central package repository used by all package authors and consumers.
  • What's an Assembly? - An assembly is typically a DLL or EXE containing compiled code. Assemblies are the building blocks of .NET Full Framework applications; they form the fundamental unit of deployment, version control, reuse, activation scoping, and security permissions. In .NET Core, the building blocks are NuGet packages that contain assemblies PLUS additional metadata
  • .NET Standard or "netstandard" - The .NET Standard simplifies references between binary-compatible frameworks, allowing a single target framework to reference a combination of others. The .NET Standard Library is a formal specification of .NET APIs that are intended to be available on all .NET runtimes.
  • .NET Framework vs. .NET Core: The .NET Framework is for Windows apps and Windows systems, while the .NET Core is a smaller cross platform framework for server apps, console apps, web applications, and as a core runtime to build other systems from.

Should Know

    • CLR – The Common Language Runtime (CLR), the virtual machine component of Microsoft's .NET framework, manages the execution of .NET programs. A process known as just-in-time compilation converts compiled code into machine instructions which the computer's CPU then executes.
    • CoreCLR - .NET runtime, used by .NET Core.
    • Mono - .NET runtime, used by Xamarin and others.
    • CoreFX - .NET class libraries, used by .NET Core and to a degree by Mono via source sharing.
    • Roslyn - C# and Visual Basic compilers, used by most .NET platforms and tools. Exposes APIs for reading, writing and analyzing source code.
    • GC - .NET uses garbage collection to provide automatic memory management for programs. The GC operates on a lazy approach to memory management, preferring application throughput to the immediate collection of memory. To learn more about the .NET GC, check out Fundamentals of garbage collection (GC).
    • "Managed Code" - Managed code is just that: code whose execution is managed by a runtime like the CLR.
    • IL – Intermediate Language is the product of compilation of code written in high-level .NET languages. C# is Apples, IL is Apple Sauce, and the JIT and CLR makes Apple Juice. ;)
    • JIT – Just in Time Compiler. Takes IL and compiles it in preparation for running as native code.
    • Where is  .NET on disk? .NET Framework is at C:\Windows\Microsoft.NET and .NET Core is at C:\Program Files\dotnet. On Mac it usually ends up in /usr/local/share. Also .NET Core can also be bundled with an application and live under that application's directory as a self-contained application.
    • Shared Framework vs. Self Contained Apps - .NET Core can use a shared framework (shared by multiple apps on the same machine) or your app can be self-contained with its own copy. Sometimes you'll hear "xcopy-deployable / bin-deployable" which implies that the application is totally self-contained.
    • async and await– The async and await keywords generate IL that will free up a thread for long running (awaited) function calls (e.g. database queries or web service calls). This frees up system resources, so you aren't hogging memory, threads, etc. while you're waiting.
    • Portable Class Libraries -  These are "lowest common denominator" libraries that allow code sharing across platforms. Although PCLs are supported, package authors should support netstandard instead. The .NET Platform Standard is an evolution of PCLs and represents binary portability across platforms.
    • .NET Core is composed of the following parts:
      • A .NET runtime, which provides a type system, assembly loading, a garbage collector, native interop and other basic services.
      • A set of framework libraries, which provide primitive data types, app composition types and fundamental utilities.
      • A set of SDK tools and language compilers that enable the base developer experience, available in the .NET Core SDK.
      • The 'dotnet' app host, which is used to launch .NET Core apps. It selects the runtime and hosts the runtime, provides an assembly loading policy and launches the app. The same host is also used to launch SDK tools in much the same way.

    Nice To Know

      • GAC – The Global Assembly Cache is where the .NET full Framework on Windows stores shared libraries. You can list it out with "gacutil /l"  
      • Assembly Loading and Binding - In complex apps you can get into interesting scenarios around how Assemblies are loaded from disk
      • Profiling (memory usage, GC, etc.) - There's a lot of great tools you can use to measure – or profile – your C# and .NET Code. A lot of these tools are built into Visual Studio.
      • LINQ - Language Integrated Query is a higher order way to query objects and databases in a declarative way
      • Common Type System and Common Language Specification define how objects are used and passed around in a way that makes them work everywhere .NET works, interoperable. The CLS is a subset that the CTS builds on.
      • .NET Native - One day you'll be able to compile to native code rather than compiling to Intermediate Language.
      • .NET Roadmap - Here's what Microsoft is planning for .NET for 2017
      • "Modern" C# 7 – C# itself has new features every year or so. The latest version is C# 7 and has lots of cool features worth looking at.
      • Reactive Extensions - "The Reactive Extensions (Rx) is a library for composing asynchronous and event-based programs using observable sequences and LINQ-style query operators." You can create sophisticated event-based programs that work cleanly and asynchronously by applying LINQ-style operators to data streams.

      NOTE: Some text was taken from Wikipedia's respective articles on each topic, edited for brevity. Creative Commons Attribution-ShareAlike 3.0. Some text was taken directly from the excellent .NET docs. This post is a link blog and aggregate. Some of it is original thought, but much is not.


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      About Scott

      Scott Hanselman is a former professor, former Chief Architect in finance, now speaker, consultant, father, diabetic, and Microsoft employee. He is a failed stand-up comic, a cornrower, and a book author.

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      Disclaimer: The opinions expressed herein are my own personal opinions and do not represent my employer's view in any way.