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What's the difference between “declare class” and “interface” in TypeScript
...n we have the following interface:
interface test {
foo: number,
bar: string,
}
The objects which we define which have this interface type need to match the interface exactly:
// perfect match has all the properties with the right types, TS compiler will not complain.
const obj1: test = { ...
Android: textColor of disabled button in selector not showing?
...
<Button android:id="@+id/reserve_button"
android:text="@string/reserve_button"
android:layout_width="120dp"
android:layout_height="40dp"
android:layout_marginTop="10dp"
android:layout_marginLeft="20dp"
android:paddingRight="15dp"
and...
What is an efficient way to implement a singleton pattern in Java? [closed]
...erializable Singleton
public enum Elvis {
INSTANCE;
private final String[] favoriteSongs =
{ "Hound Dog", "Heartbreak Hotel" };
public void printFavorites() {
System.out.println(Arrays.toString(favoriteSongs));
}
}
Edit: An online portion of "Effective Java" says:...
Retrieving a List from a java.util.stream.Stream in Java 8
... you can use to convert any Stream to List.
more concretely:
List<String> myList = stream.collect(Collectors.toList());
from:
https://www.geeksforgeeks.org/collectors-tolist-method-in-java-with-examples/
shar...
Why does the CheckBoxFor render an additional input tag, and how can I get the value using the FormC
...explanation but in some cases you might want to get 'nothing' in the query string when the ckecbox is not checked - so the default behaviour. Is this possible using the Html helper or do I have to simply use the <input> tag.
– Maksymilian Majer
Jun 21 '10...
Making text background transparent but not text itself
So I am having a problem. I have looked around and looked around but no luck. I would like to make the background of my body transparent but leave the text non transparent. As it is right now I keep making both the same opacity. Here is my code:
...
How can I get LINQ to return the object which has the max value for a given property? [duplicate]
...2);
Thanks Nick - Here's the proof
class Program
{
static void Main(string[] args)
{
IEnumerable<Item> items1 = new List<Item>()
{
new Item(){ ClientID = 1, ID = 1},
new Item(){ ClientID = 2, ID = 2},
new Item(){ ClientID = 3...
Merging two arrays in .NET
...
Easier would just be using LINQ:
var array = new string[] { "test" }.ToList();
var array1 = new string[] { "test" }.ToList();
array.AddRange(array1);
var result = array.ToArray();
First convert the arrays to lists and merge them... After that just convert the list back to...
Location of sqlite database on the device
...ntext.getXXXPath()
One of them is android.content.Context.getDatabasePath(String dbname) that returns the absolute path of a database called dbname.
Context ctx = this; // for Activity, or Service. Otherwise simply get the context.
String dbname = "mydb.db";
Path dbpath = ctx.getDatabasePath(dbnam...
How to align input forms in HTML
..., in a two-dimensional structure.
[consider what you would do if you had string or numeric values to display instead of input boxes.]
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