سلام آقای راد خیلی خوب و سلیس توضیح میدید
در رابطه با مسائل امنیتی در این روش خیلی خوب میشه اگر توضیحی ارائه بدید.
متشکرم
<uses-permission android:name="android.permission.RECORD_AUDIO" />
سیستم‌عامل مجاز به اجرای برنامه‌ای بدون امضاء نخواهد بود.
> ng generate <blueprint> <options>
> ng generate component customer
> ng g c customer
|
گزینه | Alias (میانبر/نام مستعار) | توضیح |
| flat-- | آیا باید برای آن پوشه‌ای ایجاد نشود؟ (flat = بدون پوشه در اینجا) (پیش فرض آن ایجاد یک پوشه‌ی جدید است). اگر می‌خواهیم ایجاد نشود، باید flat true-- را ذکر کرد. | |
| inline-template-- | it- | آیا قالب کامپوننت، درون فایل ts. آن قرار گیرد؟ (پیش فرض آن، false است) |
| inline-style-- | is- | آیا شیوه نامه‌ی کامپوننت، داخل فایل ts. آن قرار گیرد؟ (پیش فرض آن، false است) |
| spec-- | آیا فایل spec نیز تولید شود؟ (پیش فرض آن true است) اگر می‌خواهیم این فایل ایجاد نشود باید spec false-- را ذکر کرد. | |
| view-encapsulation-- | ve- | تعیین نوع استراتژی view encapsulation مورد استفاده (مانند Emulated). |
| change-detection-- | cd- | تعیین استراتژی change detection مورد استفاده (مانند OnPush). |
| dry-run-- | d- | گزارش فایل‌های تولیدی، بدون نوشتن و تولید آن‌ها (پیش فرض آن false است) |
| prefix-- | تعیین صریح prefix مورد استفاده‌ی در حین مقدار دهی selectorها که در قسمت قبل در مورد آن بحث شد. |
>ng generate component customer --inline-template --inline-style
>ng g c customer –it -is
>ng g c customer installing component create src\app\customer\customer.component.css create src\app\customer\customer.component.html create src\app\customer\customer.component.spec.ts create src\app\customer\customer.component.ts update src\app\app.module.ts
import { CustomerComponent } from './customer/customer.component';
@NgModule({
declarations: [
AppComponent,
CustomerComponent
]}) 
| نام جزء | Alias | دستور |
| service | s | ng g service customer-data |
| pipe | p | ng g pipe init-caps |
| class | cl | ng g class customer-model |
| directive | d | ng g directive search |
| interface | i | ng g interface orders |
| enum | e | ng g enum gender |
| module | m | ng generate module sales |
> ng g s sales -m app.module
> ng g cl models/customer
"defaults": {
"styleExt": "css",
"component": {}
} > ng set defaults.component.flat false > ng set defaults.directive.flat false > ng set defaults.styleExt sass
"defaults": {
"styleExt": "sass",
"component": {
"flat": false
},
"directive": {
"flat": false
}
} 
using System.Threading.Tasks;
namespace Async05
{
class Program
{
static void Main(string[] args)
{
var res = doSomethingAsync().Result;
}
static async Task<int> doSomethingAsync()
{
await Task.Delay(1);
return 1;
}
}
} using System;
using System.Collections.Generic;
using System.Net;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
namespace Async05
{
class Program
{
static void Main(string[] args)
{
var task = showTitlesAsync(new[]
{
"http://www.google.com",
"https://www.dntips.ir"
});
task.Wait();
Console.WriteLine();
Console.WriteLine("Press any key to exit...");
Console.ReadKey();
}
static async Task showTitlesAsync(IEnumerable<string> urls)
{
foreach (var url in urls)
{
var title = await getTitleAsync(url);
Console.WriteLine(title);
}
}
static async Task<string> getTitleAsync(string url)
{
var data = await new WebClient().DownloadStringTaskAsync(url);
return getTitle(data);
}
private static string getTitle(string data)
{
const string patternTitle = @"(?s)<title>(.+?)</title>";
var regex = new Regex(patternTitle);
var mc = regex.Match(data);
return mc.Groups.Count == 2 ? mc.Groups[1].Value.Trim() : string.Empty;
}
}
} 
static async Task showTitlesAsync(IEnumerable<string> urls)
{
foreach (var url in urls)
{
try
{
var title = await getTitleAsync(url);
Console.WriteLine(title);
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
}
} System.Net.WebException: The remote server returned an error: (502) Bad Gateway. System.Net.WebException: The remote server returned an error: (502) Bad Gateway. Press any key to exit...
public async Task<double> GetSum2Async()
{
try
{
var task1 = GetNumberAsync();
var task2 = GetNumberAsync();
var compositeTask = Task.WhenAll(task1, task2);
await compositeTask.ContinueWith(x => { });
return compositeTask.Result[0] + compositeTask.Result[1];
}
catch (Exception ex)
{
//todo: log ex
throw;
}
} public async Task<double> GetSumAsync()
{
var leftOperand = await GetNumberAsync();
var rightOperand = await GetNumberAsync();
return leftOperand + rightOperand;
} using System;
using System.Threading.Tasks;
namespace Async01
{
class Program
{
static void Main(string[] args)
{
Test2();
Test();
Console.ReadLine();
GC.Collect();
GC.WaitForPendingFinalizers();
Console.ReadLine();
}
public static async Task Test()
{
throw new Exception();
}
public static async void Test2()
{
throw new Exception();
}
}
} Warning 1 Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
using System;
using System.Threading.Tasks;
namespace Async01
{
class Program
{
static void Main(string[] args)
{
TaskScheduler.UnobservedTaskException += TaskScheduler_UnobservedTaskException;
//Test2();
Test();
Console.ReadLine();
GC.Collect();
GC.WaitForPendingFinalizers();
Console.ReadLine();
}
private static void TaskScheduler_UnobservedTaskException(object sender, UnobservedTaskExceptionEventArgs e)
{
e.SetObserved();
Console.WriteLine(e.Exception);
}
public static async Task Test()
{
throw new Exception();
}
public static async void Test2()
{
throw new Exception();
}
}
} Task.Factory.StartNew(() => { throw new Exception(); });
Thread.Sleep(100);
GC.Collect();
GC.WaitForPendingFinalizers(); <configuration>
<runtime>
<ThrowUnobservedTaskExceptions enabled="true"/>
</runtime>
</configuration> protected override void LoadState(Object navigationParameter, Dictionary<String, Object> pageState)
{
try
{
ClickMeButton.Tapped += async (sender, args) =>
{
throw new Exception();
};
}
catch (Exception ex)
{
// This won’t catch exceptions!
TextBlock1.Text = ex.Message;
}
} public delegate void TappedEventHandler(object sender, TappedRoutedEventArgs e);
This type of CollectionView does not support changes to its SourceCollection from a thread different from the Dispatcher thread
System.InvalidOperationException: This exception was thrown because the generator for control 'System.Windows.Controls.ListView Items.Count:62' with name '(unnamed)' has received sequence of CollectionChanged events that do not agree with the current state of the Items collection. The following differences were detected: Accumulated count 61 is different from actual count 62.
private static object _lock = new object(); //... BindingOperations.EnableCollectionSynchronization(persons, _lock);
public static void EnableCollectionSynchronization(IEnumerable collection, object lockObject)
{
MethodInfo method = typeof(BindingOperations).GetMethod("EnableCollectionSynchronization",
new Type[] { typeof(IEnumerable), typeof(object) });
if (method != null)
{
method.Invoke(null, new object[] { collection, lockObject });
}
} using System;
using System.Collections;
using System.Collections.ObjectModel;
using System.Collections.Specialized;
using System.Linq;
using System.Windows.Data;
using System.Windows.Threading;
namespace WpfAsyncCollection
{
public class AsyncObservableCollection<T> : ObservableCollection<T>
{
public override event NotifyCollectionChangedEventHandler CollectionChanged;
private static object _syncLock = new object();
public AsyncObservableCollection()
{
enableCollectionSynchronization(this, _syncLock);
}
protected override void OnCollectionChanged(NotifyCollectionChangedEventArgs e)
{
using (BlockReentrancy())
{
var eh = CollectionChanged;
if (eh == null) return;
var dispatcher = (from NotifyCollectionChangedEventHandler nh in eh.GetInvocationList()
let dpo = nh.Target as DispatcherObject
where dpo != null
select dpo.Dispatcher).FirstOrDefault();
if (dispatcher != null && dispatcher.CheckAccess() == false)
{
dispatcher.Invoke(DispatcherPriority.DataBind, (Action)(() => OnCollectionChanged(e)));
}
else
{
foreach (NotifyCollectionChangedEventHandler nh in eh.GetInvocationList())
nh.Invoke(this, e);
}
}
}
private static void enableCollectionSynchronization(IEnumerable collection, object lockObject)
{
var method = typeof(BindingOperations).GetMethod("EnableCollectionSynchronization",
new Type[] { typeof(IEnumerable), typeof(object) });
if (method != null)
{
// It's .NET 4.5
method.Invoke(null, new object[] { collection, lockObject });
}
}
}
} using System;
namespace MyVerboseApp
{
public class Program
{
public static void Main(string[] args)
{
Console.WriteLine("Hello World!");
}
}
} // See https://aka.ms/new-console-template for more information
Console.WriteLine("Hello, World!"); dotnet new console --framework net5.0 --target-framework-override net6.0
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
- <TargetFramework>net5.0</TargetFramework>
+ <TargetFramework>net6.0</TargetFramework>
</PropertyGroup>
</Project>