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How to copy a java.util.List into another java.util.List
...
This is a really nice Java 8 way to do it:
List<String> list2 = list1.stream().collect(Collectors.toList());
Of course the advantage here is that you can filter and skip to only copy of part of the list.
e.g.
//don't copy the first element
List<String> list2 ...
iTunes Connect: How to choose a good SKU?
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But it is still called a SKU number. Defining a text string without a number, is not a number in my world ;) I hope someone else would confirm that this does not mean anything.
– dhrm
Jan 3 '12 at 10:59
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How can I get zoom functionality for images?
...
public class TouchImageView extends ImageView {
private static final String TAG = "Touch";
// These matrices will be used to move and zoom image
Matrix matrix = new Matrix();
Matrix savedMatrix = new Matrix();
// We can be in one of these 3 states
static final int NONE = 0...
Is there documentation for the Rails column types?
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Guidelines built from personal experience:
String:
Limited to 255 characters (depending on DBMS)
Use for short text fields (names, emails, etc)
Text:
Unlimited length (depending on DBMS)
Use for comments, blog posts, etc. General rule of thumb: if it's captured v...
List of zeros in python [duplicate]
... to same id. This is not a problem with immutable objects like integers or strings but if you try to create list of mutable objects like a list of lists ([[]] * n) then all the elements will refer to the same object.
a = [[]] * 10
a[0].append(1)
a
> [[1], [1], [1], [1], [1], [1], [1], [1], [1],...
How to getText on an input in protractor
...too long figuring this out: getAttribute actually returns a promise, not a string. github.com/angular/protractor/issues/673
– boredlamer
May 24 '17 at 15:33
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JFrame in full screen Java
...LocalGraphicsEnvironment().getScreenDevices()[0];
public static void main(String[] args) {
final JFrame frame = new JFrame("Display Mode");
frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
frame.setUndecorated(true);
JButton btn1 = new JButton("Full-Screen");
btn...
How do I overload the square-bracket operator in C#?
...e given the name "default":
ref class Class
{
public:
property System::String^ default[int i]
{
System::String^ get(int i) { return "hello world"; }
}
};
share
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improve this answer
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Make JQuery UI Dialog automatically grow or shrink to fit its contents
...0px";
private void setWindowSize(int width, int height)
{
string widthScript = "$('.dialogDiv').dialog('option', 'width', " + width +");";
string heightScript = "$('.dialogDiv').dialog('option', 'height', " + height + ");";
ScriptManager.RegisterSta...
What does “Object reference not set to an instance of an object” mean? [duplicate]
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The following code is a simple way of reproducing this:
static void Main(string[] args)
{
var exampleClass = new ExampleClass();
var returnedClass = exampleClass.ExampleMethod();
returnedClass.AnotherExampleMethod(); //NullReferenceException here.
}
class ExampleClass
{
public Ret...