Is C# now the next cool language to learn? With its versatility, new features and being OSS, it just might. Find out how .NET Core has made C# the next big thing

Build 2021 is almost here, and Microsoft has published its catalog for sessions that will be ongoing throughout the event. We've rounded up some of the most interesting ones that we think you won't want to miss. Let's dive in! 

• New responsive containers! Over a year in the making, fluid up to a particular breakpoint, available for all responsive tiers.
• New responsive .row-cols classes for quickly specifying the number of columns across breakpoints. This one is huge for those of you who have asked for responsive card decks. 

 Application: DNTProfiler.exe
Framework Version: v4.0.30319
Description: The process was terminated due to an unhandled exception.
Exception Info: System.Windows.Markup.XamlParseException
Stack:
at System.Windows.Markup.WpfXamlLoader.Load

 CommandLine: C:\Tests\DNTProfiler.1.0.808.0\DNTProfiler.exe
Symbol search path is: srv*
Executable search path is:
ModLoad: 00150000 00176000 DNTProfiler.exe
ModLoad: 76f30000 77098000 ntdll.dll
ModLoad: 72ee0000 72f36000 C:\Windows\SysWOW64\MSCOREE.DLL
ModLoad: 74be0000 74d20000 C:\Windows\SysWOW64\KERNEL32.dll
ModLoad: 756e0000 757af000 C:\Windows\SysWOW64\KERNELBASE.dll
(684.764): Break instruction exception - code 80000003 (first chance)
eax=00000000 ebx=00000000 ecx=37af0000 edx=00000000 esi=7eb8f000 edi=00000000
eip=76fe2d15 esp=002ff604 ebp=002ff630 iopl=0 nv up ei pl zr na pe nc
cs=0023  ss=002b  ds=002b  es=002b  fs=0053  gs=002b efl=00000246
*** ERROR: Symbol file could not be found.  Defaulted to export symbols for ntdll.dll -
ntdll!LdrResolveDelayLoadsFromDll+0xa89:
76fe2d15 cc   int   3

 0:000> g
ModLoad: 757b0000 75827000 C:\Windows\SysWOW64\ADVAPI32.dll
ModLoad: 05080000 05102000 Newtonsoft.Json.dll
(684.764): C++ EH exception - code e06d7363 (first chance)
(684.764): C++ EH exception - code e06d7363 (first chance)
(684.764): C++ EH exception - code e06d7363 (first chance)
(684.764): CLR exception - code e0434352 (first chance)
First chance exceptions are reported before any exception handling.
This exception may be expected and handled.
eax=002fd0a0 ebx=00000005 ecx=00000005 edx=00000000 esi=002fd164 edi=00000001
eip=756f3d67 esp=002fd0a0 ebp=002fd0f8 iopl=0 nv up ei pl nz ac pe nc
cs=0023  ss=002b  ds=002b  es=002b  fs=0053  gs=002b efl=00200216
*** ERROR: Symbol file could not be found.  Defaulted to export symbols for C:\Windows\SysWOW64\KERNELBASE.dll -
KERNELBASE!RaiseException+0x48:
756f3d67 8b4c2454   mov   ecx,dword ptr [esp+54h] ss:002b:002fd0f4=3fce1188

 0:000> sxe clr
0:000> g
(684.764): C++ EH exception - code e06d7363 (first chance)
(684.764): CLR exception - code e0434352 (first chance)
First chance exceptions are reported before any exception handling.
This exception may be expected and handled.
eax=002fe2a0 ebx=00000005 ecx=00000005 edx=00000000 esi=002fe368 edi=00000001
eip=756f3d67 esp=002fe2a0 ebp=002fe2fc iopl=0 nv up ei pl nz ac pe nc
cs=0023  ss=002b  ds=002b  es=002b  fs=0053  gs=002b efl=00200216
KERNELBASE!RaiseException+0x48:
756f3d67 8b4c2454   mov   ecx,dword ptr [esp+54h] ss:002b:002fe2f4=3fce2388

 0:000> !loadby sos clr
0:000> !CLRStack
*** ERROR: Symbol file could not be found.  Defaulted to export symbols for C:\Windows\Microsoft.NET\Framework\v4.0.30319\clr.dll -
PDB symbol for clr.dll not loaded
OS Thread Id: 0x764 (0)
Child SP IP Call Site
002fe3f4 756f3d67 [GCFrame: 002fe3f4]
002fe430 756f3d67 [GCFrame: 002fe430]
002fe528 756f3d67 [GCFrame: 002fe528]
002fe544 756f3d67 [HelperMethodFrame_2OBJ: 002fe544] System.RuntimeTypeHandle.CreateInstance(System.RuntimeType, Boolean, Boolean, Boolean ByRef, System.RuntimeMethodHandleInternal ByRef, Boolean ByRef)
DNTProfiler.App.Main()
002ff190 720e2652 [GCFrame: 002ff190]

 0:000> !PrintException
Exception object: 021e6f0c
Exception type: System.Reflection.TargetInvocationException
Message: Exception has been thrown by the target of an invocation.
InnerException: System.IO.FileNotFoundException, Use !PrintException 021e6950 to see more.
StackTrace (generated):
<none>
StackTraceString: <none>
HResult: 80131604
0:000> !PrintException 021e6950
Exception object: 021e6950
Exception type: System.IO.FileNotFoundException
Message: Could not load file or assembly 'System.Net.Http.Formatting, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified.
InnerException: <none>
StackTrace (generated):
SP IP Function
00000000 00000001 DNTProfiler!DNTProfiler.Services.SelfHostConfig.getHostConfiguration(System.String, Boolean)+0x2
002FE298 006B4E54 DNTProfiler!DNTProfiler.Services.SelfHostConfig.OpenWait(System.String, Boolean)+0x14
002FE2B0 006B4A3F DNTProfiler!DNTProfiler.ViewModels.MainWindowViewModel.doStart(System.String)+0x1f
002FE2C0 006B368D DNTProfiler!DNTProfiler.ViewModels.MainWindowViewModel..ctor(DNTProfiler.Common.Mvvm.ICommonDialogsService, DNTProfiler.Common.Controls.DialogManagement.Contracts.IDialogManager)+0xcd
002FE2D8 006B04C9 DNTProfiler!DNTProfiler.MainWindow..ctor()+0x91

StackTraceString: <none>
HResult: 80070002

 0:000> g
0:000> sxe clr
0:000> g
0:000> !loadby sos clr
0:000> !CLRStack
0:000> !PrintException

With the release of Uno Platform 3.0, developers can now create multi-platform applications for desktop, mobile and web apps using Rider. 

Quivr, your second brain, utilizes the power of GenerativeAI to store and retrieve unstructured information. Think of it as Obsidian, but turbocharged with AI capabilities.

Do you want to have both mobile and web apps in the same repo? Do you wish that you could share code between mobile and web apps? This blog post shows you how to create a React Native mobile app and a React web app in the same repo with shared libraries using Nx