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Return from lambda forEach() in java
... case it will be streams, lambdas and method references.
You should never convert existing code to Java 8 code on a line-by-line basis, you should extract features and convert those.
What I identified in your first case is the following:
You want to add elements of an input structure to an outpu...
Using custom std::set comparator
I am trying to change the default order of the items in a set of integers to be lexicographic instead of numeric, and I can't get the following to compile with g++:
...
How to initialise memory with new operator in C++?
I'm just beginning to get into C++ and I want to pick up some good habits. If I have just allocated an array of type int with the new operator, how can I initialise them all to 0 without looping through them all myself? Should I just use memset ? Is there a “C++” way to do it?
...
How to shut down the computer from C#
...rum/thread251367.html
but here's the relevant code:
using System.Runtime.InteropServices;
[StructLayout(LayoutKind.Sequential, Pack=1)]
internal struct TokPriv1Luid
{
public int Count;
public long Luid;
public int Attr;
}
[DllImport("kernel32.dll", ExactSpelling=true) ]
internal stat...
Why is an array not assignable to Iterable?
...
Arrays can implement interfaces (Cloneable and java.io.Serializable). So why not Iterable? I guess Iterable forces adding an iterator method, and arrays don't implement methods. char[] doesn't even override toString. Anyway, arrays of references ...
Can code that is valid in both C and C++ produce different behavior when compiled in each language?
..., is going to (most likely) result in different values in i in C and C++:
int i = sizeof('a');
See Size of character ('a') in C/C++ for an explanation of the difference.
Another one from this article:
#include <stdio.h>
int sz = 80;
int main(void)
{
struct sz { char c; };
int ...
Is there a difference between x++ and ++x in java?
...
++x is called preincrement while x++ is called postincrement.
int x = 5, y = 5;
System.out.println(++x); // outputs 6
System.out.println(x); // outputs 6
System.out.println(y++); // outputs 5
System.out.println(y); // outputs 6
...
Replace Fragment inside a ViewPager
...e:
public class MyAdapter extends FragmentPagerAdapter
{
static final int NUM_ITEMS = 2;
private final FragmentManager mFragmentManager;
private Fragment mFragmentAtPos0;
public MyAdapter(FragmentManager fm)
{
super(fm);
mFragmentManager = fm;
}
@Overri...
Slowing speed of Viewpager controller in android
...his code:
public class FixedSpeedScroller extends Scroller {
private int mDuration = 5000;
public FixedSpeedScroller(Context context) {
super(context);
}
public FixedSpeedScroller(Context context, Interpolator interpolator) {
super(context, interpolator);
}
...
How do I calculate a point on a circle’s circumference?
...Circle(float radius, float angleInDegrees, PointF origin)
{
// Convert from degrees to radians via multiplication by PI/180
float x = (float)(radius * Math.Cos(angleInDegrees * Math.PI / 180F)) + origin.X;
float y = (float)(radius * Math.Sin(angleInDegrees * Math....