به نقل از Secunia که یکی از مراجع بیطرف در این زمینه به شمار میرود:
Web server | Secunia advisories | Vulnerabilities | Unpatched Secunia advisories |
IIS 6 | 5 | 4 | 0% |
IIS 7 | 1 | 1 | 0% |
Apache 2.0.x | 39 | 23 | 10% |
Apache 2.2.x | 10 | 16 | 20% |
Web server | Secunia advisories | Vulnerabilities | Unpatched Secunia advisories |
IIS 6 | 5 | 4 | 0% |
IIS 7 | 1 | 1 | 0% |
Apache 2.0.x | 39 | 23 | 10% |
Apache 2.2.x | 10 | 16 | 20% |
Today we have several releases to talk about: there’s the release of Visual Studio 2017 version 15.3, the release of .NET Core 2.0, and a release of Visual Studio for Mac version 7.1. We’ll talk about them briefly in that order, but as always, there’s a lot more information in the release notes for each product. If you’d like to jump right in, download Visual Studio 2017 version 15.3, download .NET Core 2.0, and download Visual Studio for Mac.
It has only been about a year since .NET Core 1.0 RC came out. We are now getting close to .NET Core 2.0. We have been playing with .NET Core since the betas and feel like the quality of the 1.0 runtime was very good. Our only complaint has really been odd Visual Studio behavior. We would expect that with 2.0, the adoption of .NET Core is likely to skyrocket.
var host = WebHost.CreateDefaultBuilder(args) .UseStartup<Startup>() .Build() host.Run();
typings install lodash --ambient --save
npm install --save @types/lodash
public int[] WithSpread() { int[] data = new int[10_000]; int[] results = [..data]; return results; }
public int[] WithSpread() { int[] numArray1 = new int[10000]; int index1 = 0; int[] numArray2 = new int[numArray1.Length]; int[] numArray3 = numArray1; for (int index2 = 0; index2 < numArray3.Length; ++index2) { int num = numArray3[index2]; numArray2[index1] = num; ++index1; } return numArray2; }
using BenchmarkDotNet.Attributes; using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace SpreadBenchmark { [MemoryDiagnoser] public class Tests { private readonly int[] _myData = new int[10_000]; [Benchmark(Baseline = true)] public int[] WithToArray() { int[] results = _myData.ToArray(); return results; } [Benchmark] public int[] WithCopyTo() { int[] results = new int[_myData.Length]; _myData.CopyTo(results, 0); return results; } [Benchmark] public int[] WithSpread() { int[] results = [.._myData]; return results; } } }
using BenchmarkDotNet.Running; using SpreadBenchmark; BenchmarkRunner.Run<Tests>();
<Project Sdk="Microsoft.NET.Sdk"> <PropertyGroup> <OutputType>Exe</OutputType> <TargetFramework>net8.0</TargetFramework> <ImplicitUsings>enable</ImplicitUsings> <Nullable>enable</Nullable> </PropertyGroup> <ItemGroup> <PackageReference Include="BenchmarkDotNet" Version="0.13.10" /> </ItemGroup> </Project>
dotnet workload install wasm-tools
<PropertyGroup> <RunAOTCompilation>true</RunAOTCompilation> </PropertyGroup>
Unable to update database to match the current model because there are pending changes and
automatic migration is disabled. Either write the pending model changes to a code-based migration
or enable automatic migration. Set DbMigrationsConfiguration.AutomaticMigrationsEnabled to true
to enable automatic migration.
Add-Migration AddSomeProp2ToProject
namespace EF_Sample02.Migrations
{
using System.Data.Entity.Migrations;
public partial class AddSomeProp2ToProject : DbMigration
{
public override void Up()
{
AddColumn("Projects", "SomeProp", c => c.String());
AddColumn("Projects", "SomeProp2", c => c.String());
}
public override void Down()
{
DropColumn("Projects", "SomeProp2");
DropColumn("Projects", "SomeProp");
}
}
}
Update-Database -Verbose
Using NuGet project 'EF_Sample02'.
Using StartUp project 'EF_Sample02'.
Target database is: 'testdb2012' (DataSource: (local), Provider: System.Data.SqlClient, Origin: Configuration).
Applying explicit migrations: [201205061835024_AddSomeProp2ToProject].
Applying explicit migration: 201205061835024_AddSomeProp2ToProject.
ALTER TABLE [Projects] ADD [SomeProp] [nvarchar](max)
ALTER TABLE [Projects] ADD [SomeProp2] [nvarchar](max)
[Inserting migration history record]
Add-Migration AddSomeProp3ToProject
Update-Database -Verbose
get-help update-database -detailed
Update-Database -TargetMigration:"AddSomeProp2ToProject" -Verbose
Using NuGet project 'EF_Sample02'.
Using StartUp project 'EF_Sample02'.
Target database is: 'testdb2012' (DataSource: (local), Provider: System.Data.SqlClient, Origin: Configuration).
Reverting migrations: [201205061845485_AddSomeProp3ToProject].
Reverting explicit migration: 201205061845485_AddSomeProp3ToProject.
DECLARE @var0 nvarchar(128)
SELECT @var0 = name
FROM sys.default_constraints
WHERE parent_object_id = object_id(N'Projects')
AND col_name(parent_object_id, parent_column_id) = 'SomeProp3';
IF @var0 IS NOT NULL
EXECUTE('ALTER TABLE [Projects] DROP CONSTRAINT ' + @var0)
ALTER TABLE [Projects] DROP COLUMN [SomeProp3]
[Deleting migration history record]
namespace EF_Sample02.Migrations
{
using System.Data.Entity.Migrations;
public partial class AddSomeProp3ToProject : DbMigration
{
public override void Up()
{
AddColumn("Projects", "SomeProp3", c => c.String(defaultValue: "some data"));
Sql("Update Projects set SomeProp3=N'some data'");
}
public override void Down()
{
DropColumn("Projects", "SomeProp3");
}
}
}
public ColumnModel String(bool? nullable = null, int? maxLength = null, bool? fixedLength = null,
bool? isMaxLength = null, bool? unicode = null, string defaultValue = null, string defaultValueSql = null,
string name = null, string storeType = null)
ALTER TABLE [Projects] ADD [SomeProp3] [nvarchar](max) DEFAULT 'some data'
namespace EF_Sample02.Migrations
{
using System;
using System.Data.Entity.Migrations;
internal sealed class Configuration : DbMigrationsConfiguration<EF_Sample02.Sample2Context>
{
public Configuration()
{
this.AutomaticMigrationsEnabled = false;
this.AutomaticMigrationDataLossAllowed = true;
}
protected override void Seed(EF_Sample02.Sample2Context context)
{
context.Users.AddOrUpdate(
a => a.Name,
new Models.User { Name = "Vahid", AddDate = DateTime.Now },
new Models.User { Name = "Test", AddDate = DateTime.Now });
}
}
}
Update-Database -Verbose -Script
ALTER TABLE [Projects] ADD [SomeProp5] [nvarchar](max)
INSERT INTO [__MigrationHistory] ([MigrationId], [CreatedOn], [Model], [ProductVersion]) VALUES
('201205060852004_AutomaticMigration', '2012-05-06T08:52:00.937Z', 0x1F8B0800000............ '4.3.1')
Update-Database -Verbose -Script -SourceMigration:"stepName"
Add-Migration AddSomePropToProject
Update-Database -Verbose -Script
public class Northwind : DataService< /* TODO: put your data source class name here */ > { // This method is called only once to initialize service-wide policies. public static void InitializeService(DataServiceConfiguration config) { // TODO: set rules to indicate which entity sets and service operations are visible, updatable, etc. // Examples: // config.SetEntitySetAccessRule("MyEntityset", EntitySetRights.AllRead); // config.SetServiceOperationAccessRule("MyServiceOperation", ServiceOperationRights.All); config.DataServiceBehavior.MaxProtocolVersion = DataServiceProtocolVersion.V3; } }
public class Northwind : DataService<NorthwindEntities>
config.SetEntitySetAccessRule("Orders", EntitySetRights.AllRead | EntitySetRights.WriteMerge | EntitySetRights.WriteReplace ); config.SetEntitySetAccessRule("Customers", EntitySetRights.AllRead);
config.SetEntitySetAccessRule("*", EntitySetRights.AllRead);
<service xmlns="http://www.w3.org/2007/app" xmlns:atom="http://www.w3.org/2005/Atom" xml:base="http://localhost:8358/Northwind.svc/"> <workspace> <atom:title>Default</atom:title> <collection href="Categories"> <atom:title>Categories</atom:title> </collection> <collection href="Customers"> <atom:title>Customers</atom:title> </collection> <collection href="Employees"> <atom:title>Employees</atom:title> </collection> <collection href="Order_Details"> <atom:title>Order_Details</atom:title> </collection> <collection href="Orders"> <atom:title>Orders</atom:title> </collection> <collection href="Products"> <atom:title>Products</atom:title> </collection> <collection href="Shippers"> <atom:title>Shippers</atom:title> </collection> <collection href="Suppliers"> <atom:title>Suppliers</atom:title> </collection> </workspace> </service>
<Window x:Class="MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="Northwind Orders" Height="335" Width="425" Name="OrdersWindow" Loaded="Window1_Loaded"> <Grid Name="orderItemsGrid"> <ComboBox DisplayMemberPath="Order_ID" ItemsSource="{Binding}" IsSynchronizedWithCurrentItem="true" Height="23" Margin="92,12,198,0" Name="comboBoxOrder" VerticalAlignment="Top"/> <DataGrid ItemsSource="{Binding Path=Order_Details}" CanUserAddRows="False" CanUserDeleteRows="False" Name="orderItemsDataGrid" Margin="34,46,34,50" AutoGenerateColumns="False"> <DataGrid.Columns> <DataGridTextColumn Header="Product" Binding="{Binding Product_ID, Mode=OneWay}" /> <DataGridTextColumn Header="Quantity" Binding="{Binding Quantity, Mode=TwoWay}" /> <DataGridTextColumn Header="Price" Binding="{Binding UnitPrice, Mode=TwoWay}" /> <DataGridTextColumn Header="Discount" Binding="{Binding Discount, Mode=TwoWay}" /> </DataGrid.Columns> </DataGrid> <Label Height="28" Margin="34,12,0,0" Name="orderLabel" VerticalAlignment="Top" HorizontalAlignment="Left" Width="65">Order:</Label> <StackPanel Name="Buttons" Orientation="Horizontal" HorizontalAlignment="Right" Height="40" Margin="0,257,22,0"> <Button Height="23" HorizontalAlignment="Right" Margin="0,0,12,12" Name="buttonSave" VerticalAlignment="Bottom" Width="75" Click="buttonSaveChanges_Click">Save Changes </Button> <Button Height="23" Margin="0,0,12,12" Name="buttonClose" VerticalAlignment="Bottom" Width="75" Click="buttonClose_Click">Close</Button> </StackPanel> </Grid> </Window>
private NorthwindEntities context; private string customerId = "ALFKI"; private Uri svcUri = new Uri("http://localhost:8358/Northwind.svc"); private void Window1_Loaded(object sender, RoutedEventArgs e) { try { context = new NorthwindEntities(svcUri); var ordersQuery = from o in context.Orders.Expand("Order_Details") where o.Customers.Customer_ID == customerId select o; DataServiceCollection<Orders> customerOrders = new DataServiceCollection<Orders>(ordersQuery); this.orderItemsGrid.DataContext = customerOrders; } catch (Exception ex) { MessageBox.Show(ex.ToString()); } }
private void buttonSaveChanges_Click(object sender, RoutedEventArgs e) { try { context.SaveChanges(); } catch (DataServiceRequestException ex) { MessageBox.Show(ex.ToString()); } }