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How do you dismiss the keyboard when editing a UITextField
...egates to equal this viewController ... this allows for the keyboard to disappear after pressing done
daTextField.delegate = self;
}
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Callback functions in Java
...rt java.util.function.Function;
public MyClass {
public static String applyFunction(String name, Function<String,String> function){
return function.apply(name);
}
}
then you can call it like so
MyClass.applyFunction("42", str -> "the answer is: " + str);
// returns "the an...
How to start new activity on button click
In an Android application, how do you start a new activity (GUI) when a button in another activity is clicked, and how do you pass data between these two activities?
...
How do I get ASP.NET Web API to return JSON instead of XML using Chrome?
...
I just add the following in App_Start / WebApiConfig.cs class in my MVC Web API project.
config.Formatters.JsonFormatter.SupportedMediaTypes
.Add(new MediaTypeHeaderValue("text/html") );
That makes sure you get JSON on most queries, but you can g...
What's the fastest way to delete a large folder in Windows?
...lacing the folder names in quotes with your folder names:
rmdir /s /q "My Apps"
rmdir /s /q "My Documents"
rmdir /s /q "My Pictures"
rmdir /s /q "My Work Files"
2) save the batch file with a .bat extension (for example deletefiles.bat)
3) open a command prompt (Start > Run > Cmd) and ...
Constructors vs Factory Methods [closed]
...olFactory.ConstructForStudent(myStudent);
Now you have one place in your app that contains business logic that determines what ISchool object to instantiate for different IStudent objects.
So - for simple classes (value objects, etc.) constructor is just fine (you don't want to overengineer your ...
How to convert a Base64 string into a Bitmap image to show it in a ImageView?
...s.Bitmap;
import android.graphics.BitmapFactory;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Base64;
import android.widget.ImageView;
import java.io.ByteArrayOutputStream;
public class MainActivity extends AppCompatActivity {
@Override
pr...
Unzip files programmatically in .net
...sing the .NET framework:
using System;
using System.IO;
namespace ConsoleApplication
{
class Program
{
static void Main(string[] args)
{
string startPath = @"c:\example\start";
string zipPath = @"c:\example\result.zip";
string extractPath = @"c:\example\extract";
...
How to emulate GPS location in the Android Emulator?
...rsion: 2.3.3
In addition, to make your different locations coming to your application in real time, you can use GPX file. It's very easy to create this file from Google Map direction link:
Go to google map, choose a location, then press "Directions" and enter the second location.
After route is c...
Collisions when generating UUIDs in JavaScript?
...
Anyway, if it's Chrome and only when starting, your app could generate and discard a row of, say, ten guids using the above function :)
– Vinko Vrsalovic
Jan 21 '14 at 5:48
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