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Parallel.ForEach vs Task.Run and Task.WhenAll
...combine both options by writing:
await Task.Run(() => Parallel.ForEach(strings, s =>
{
DoSomething(s);
}));
Note that this can also be written in this shorter form:
await Task.Run(() => Parallel.ForEach(strings, DoSomething));
...
How do you convert a DataTable into a generic list?
...t.Rows
select new Employee
{
_FirstName = row["FirstName"].ToString(),
_LastName = row["Last_Name"].ToString()
}).ToList();
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How to load an ImageView by URL in Android? [closed]
...));
finish();
}
private class DownloadImageTask extends AsyncTask<String, Void, Bitmap> {
ImageView bmImage;
public DownloadImageTask(ImageView bmImage) {
this.bmImage = bmImage;
}
protected Bitmap doInBackground(String... urls) {
String urldisplay = url...
Is there a pattern for initializing objects created via a DI container
....
Thus, the interface should simply be:
public interface IMyIntf
{
string RunTimeParam { get; }
}
Now define the Abstract Factory:
public interface IMyIntfFactory
{
IMyIntf Create(string runTimeParam);
}
You can now create a concrete implementation of IMyIntfFactory that creates con...
Android应用开发性能优化完全分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...其他潜在性能优化技巧，具体如下探讨。
4-1 Android应用String/StringBuilder/StringBuffer优化建议
字符串操作在Android应用开发中是十分常见的操作，也就是这个最简单的字符串操作却也暗藏很多潜在的性能问题，下面我们实例来说说...
Entity Framework: There is already an open DataReader associated with this Command
...ecuted). You can also try to cast the query to ObjectQuery and call ToTraceString to see the SQL command. It is hard to track. I always turn on MARS.
– Ladislav Mrnka
Feb 1 '11 at 22:27
...
Mocking Extension Methods with Moq
...is the same as mocking normal method. Consider the following
public static string Echo(this Foo foo, string strValue)
{
return strValue;
}
To arrange and verify this method use the following:
string expected = "World";
var foo = new Foo();
Mock.Arrange(() => foo.Echo(Arg.IsAny<string&...
How do you create a transparent demo screen for an Android app?
...ViewTarget(showcasedView);
ShowcaseView.insertShowcaseView(target, this, R.string.showcase_title, R.string.showcase_details);
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What is the difference between `let` and `var` in swift?
...This is not immediately obvious from basic examples involving integers and strings.
– SaltyNuts
Apr 27 '15 at 15:56
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create two method for same url pattern with different arguments
...ng like:
@RequestMapping(value = "/searchUser", params = "userID")
public String searchUserById(@RequestParam long userID, Model model) {
// ...
}
@RequestMapping(value = "/searchUser", params = "userName")
public ModelAndView searchUserByName(@RequestParam String userName) {
// ...
}
...