In this article I will explain some general purpose queries. I think each developer should have knowledge of these queries. These queries are not related to any specific topic of SQL. But knowledge of such queries can solve some complex tasks and may be used in many scenarios, so I decided to write an article on these queries.
معرفی Application Pool در IIS
In this section, I’m going to cover how you can use SignalR outside of a Hub. In most asp.net core applications, you will likely want to communicate with the connect clients from within your application but outside of a Hub. You can accomplish this by using the HubContext.
For example, an ASP.NET Core MVC Controller or any other class that is instantiated by ASP.NET Core’s Dependency Injection.
The HubContext allows you to send messages to your connected clients. It has many of the same features to communicate with clients as when you are inside of a Hub.
کتابخانه wheelnav
کتاب رایگان LINQPad Succinctly
LINQPad Succinctly offers IT professionals a detailed examination of how and why LINQPad can improve development lifecycle and deliver applications in less time. Author José Roberto Olivas Mendoza begins with a detailed overview of LINQPad's features, then delves into the installation process, including necessary prerequisites. Readers then get instruction on how to get the most out of LINQPad, such as how to query data bases and using LINQPad as a code scratchpad, which allows users to save significant time and effort on application delivery.
- Introduction
- Installing LINQPad
- Beginning with LINQPad
- LINQPad Basics
- Querying Databases with LINQ-to-SQL
- LINQPad as a Code Scratchpad
- General Summary
- General Conclusions about LINQPad
- Appendix
خبرنامه هفتگی بانکهای اطلاعاتی
Once created, these custom elements -- a custom counter, for example -- can also be used in other single-page application (SPA) web frameworks such as React and Angular. A sample project, aptly titled Blazor Custom Elements, shows how to do just that, providing examples about how to work with those frameworks and the client-side Blazor WebAssembly component as well as Blazor Server.
0.Visual Studio 2017 15.9 منتشر شد
Summary of Notable New Features in 15.9
- You can now import and export an installation configuration file that specifies which workloads and components should be installed with an instance of Visual Studio.
- We have improved the debugging experience for NuGet packages using the new symbol package format (.snupkg).
- Step back in debugger is now available in C++ for Enterprise customers.
- C++ IntelliSense now responds to changes in the remote environment for both CMake and MSBuild projects targeting Linux.
- We have made updates to UWP Desktop Bridge framework packages and added support for ARM64 C++ Native Desktop scenarios.
- We added support for the range-v3 library with the MSVC 15.9 compiler.
- We fixed several bugs in the F# compiler and F# tools.
- Language service support for new TypeScript features for semantic file renaming and project references.
- Improved Node.js development by updating Vue.js templates and adding support for unit testing using the Jest framework.
- We added SharePoint 2019 project templates, so you can migrate existing SharePoint 2013 and 2016 projects to SharePoint 2019.
- Visual Studio Tools for Xamarin now supports Xcode 10.
- We made improvements to the Xamarin.Android build performance.
- We have added and improved features for Universal Windows Platform developers, including ARM64 support, the latest preview SDK, better debugging of Desktop Bridge applications, and XAML Designer improvements.
- Substantial improvements were made to the experience of using authenticated package feeds.
- There is now support for lock file to enable repeatable restore for PackageReference based projects.
- We have added support for the new license format for NuGet packages.
- We have introduced NuGet client policies in Visual Studio which enables you to lock down environments such that only trusted packages can be installed.
- We made the use of .NET Core within Visual Studio more predictable.
Top Issues Fixed in 15.9
- No way to change "Find All References" background color.
- "Visual C++ Resource Editor Package" load failed.
- VS2017 v15.8 Build does not start if XAML files are not manually saved first.
- Installation failed - manifest signature verification failed.
- Update 15.8.6 breaks Installer Projects.
- Scrolling up with the arrow key causes Visual Studio to page up.
- After updating to 15.8.1, data tip does not show when debugging.
- System.InvalidProgramException: Common Language Runtime detected an invalid program..
- Solution Explorer does not remain pinned after closing Visual Studio.
- Navigation bar in editor has trouble handling long method names.
Visual Studio 2017 15.6 منتشر شد
- We improved solution load performance by optimizing design time build.
- We've added installation progress details on Visual Studio Installer.
- You can pause your installation and resume at a later time.
- We streamlined the update process so the notification takes you directly to the Installer.
- Non-administrators can create a VS layout.
- We added a new shortcut for Edit.Duplicate in the keyboard mapping.
- We made significant improvements to the F# language and tools, particularly for .NET Core SDK projects.
- The C++ compiler optimizes your code to run faster through improved optimizations.
- C++ Mapfile generation overhead is reduced in full linking scenarios.
- Debug options are available for Embedded ARM GCC support.
- We added strong name signing on CoreCLR for the C# compiler.
- Visual Studio Tools for Xamarin has lots of new productivity updates for iOS and Android developers.
- Python no longer requires a completion DB, and Anaconda users have support for conda.
- The Performance Profiler's CPU Usage Tool can display logical call stacks for asynchronous code.
- The CPU Usage tool displays source line highlighting and async/await code with logical 'Call Stack Stitching'.
- The debugger supports thread names set via SetThreadDescription APIs in dump debugging.
- Snapshot Debugging can be started from the Debug Target dropdown for ASP.NET applications.
- We've launched the initial implementation of Navigate to decompiled sources for .NET code navigation.
- New enhancements for Configure Continuous Delivery include support for TFVC, Git authentication over SSH, and containerized projects.
- You can now click on the Continuous Delivery tile in Team Explorer to configure automated build and deployments for your application.
- Team Explorer supports Git tags and checking out pull request branches.
- Service Fabric Tooling for the 6.1 Service Fabric release is now available.
- The Windows 10 Insider Preview SDK can be installed as an optional component.
- File versions for a number of Visual Studio executables now reflect the minor release.
- Test Explorer has a hierarchy view and real time test discovery is now on by default.
- We have added support for testing Win10 IoT Core applications.
- Visual Studio Build Tools supports TypeScript and Node.js.
- ClickOnce Tools support signing application and deployment manifests with CNG certificate.
- You can access Azure resources such as Key Vault using your Visual Studio accounts.
SQL Server 2014 DML Triggers are often a point of contention between Developers and DBAs, between those who customize a database application and those who provides it. They are often the first database objects investigated when the performance degrades. They seem easy to write, but writing efficient Trigger, though complex have a very important characteristic: they allow solving problems that cannot be managed in any other application layer. Therefore, if you cannot work without them, in this article you will learn tricks and best practices for writing and managing them efficiently.