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Ignoring new fields on JSON objects using Jackson [duplicate]
I'm using Jackson JSON library to convert some JSON objects to POJO classes on an android application. The problem is, the JSON objects might change and have new fields added while the application is published, but currently it will break even when a simple String field is added, which can safely be...
How to hide close button in WPF window?
...nvoke.
First, add these declarations to your Window class:
private const int GWL_STYLE = -16;
private const int WS_SYSMENU = 0x80000;
[DllImport("user32.dll", SetLastError = true)]
private static extern int GetWindowLong(IntPtr hWnd, int nIndex);
[DllImport("user32.dll")]
private static extern int...
Android Endless List
... state in its onScroll method.
The following ListActivity shows a list of integers, starting with 40, adding items when the user scrolls to the end of the list.
public class Test extends ListActivity implements OnScrollListener {
Aleph0 adapter = new Aleph0();
protected void onCreate(Bun...
How to implement the Java comparable interface?
I am not sure how to implement a comparable interface into my abstract class. I have the following example code that I am using to try and get my head around it:
...
How can I save a screenshot directly to a file in Windows? [closed]
In Windows XP, one can press Alt-PrintScreen to copy an image of the active window, or Ctrl-PrintScreen to copy an image of the full desktop.
...
Multi-line commands in GHCi
...ple lines, you can do this in ghci:
Prelude> :{
Prelude| let addTwo :: Int -> Int -> Int
Prelude| addTwo x y = x + y
Prelude| :}
Prelude> addTwo 4 7
11
Note that you can also squeeze this onto one line:
Prelude> let addTwo :: Int -> Int -> Int ; addTwo x y = x + y
You...
How do I count the number of occurrences of a char in a String?
...
My 'idiomatic one-liner' for this is:
int count = StringUtils.countMatches("a.b.c.d", ".");
Why write it yourself when it's already in commons lang?
Spring Framework's oneliner for this is:
int occurance = StringUtils.countOccurrencesOf("a.b.c.d", ".");
...
What are some uses of decltype(auto)?
In c++14 the decltype(auto) idiom is introduced.
2 Answers
2
...
Sort ArrayList of custom Objects by property
...omparator implements Comparator<MyObject> {
@Override
public int compare(MyObject o1, MyObject o2) {
return o1.getStartDate().compareTo(o2.getStartDate());
}
}
The compare() method must return an int, so you couldn't directly return a boolean like you were planning to anyw...
How to properly seed random number generator
...t with the same seed many times.
In your case, as you're calling your randInt function until you have a different value, you're waiting for the time (as returned by Nano) to change.
As for all pseudo-random libraries, you have to set the seed only once, for example when initializing your program u...