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Is there a difference between x++ and ++x in java?
Is there a difference between ++x and x++ in java?
16 Answers
16
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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....
Can code that is valid in both C and C++ produce different behavior when compiled in each language?
C and C++ have many differences, and not all valid C code is valid C++ code.
(By "valid" I mean standard code with defined behavior, i.e. not implementation-specific/undefined/etc.)
...
How to generate a random int in C?
Is there a function to generate a random int number in C? Or will I have to use a third party library?
27 Answers
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Get screen width and height in Android
How can I get the screen width and height and use this value in:
29 Answers
29
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Retrieving Android API version programmatically
...
As described in the Android documentation, the SDK level (integer) the phone is running is available in:
android.os.Build.VERSION.SDK_INT
The class corresponding to this int is in the android.os.Build.VERSION_CODES class.
Code example:
if (a...
Breaking out of a nested loop
...nested within another, how can I efficiently come out of both loops (inner and outer) in the quickest possible way?
22 Answ...
How do I generate random integers within a specific range in Java?
How do I generate a random int value in a specific range?
66 Answers
66
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What is this weird colon-member (“ : ”) syntax in the constructor?
...mber bar to a value num.
What is the difference between Initializing and Assignment inside a constructor?
Member Initialization:
Foo(int num): bar(num) {};
Member Assignment:
Foo(int num)
{
bar = num;
}
There is a significant difference between Initializing a member using Member in...
Effects of the extern keyword on C functions
...
We have two files, foo.c and bar.c.
Here is foo.c
#include <stdio.h>
volatile unsigned int stop_now = 0;
extern void bar_function(void);
int main(void)
{
while (1) {
bar_function();
stop_now = 1;
}
return 0;
}
Now, here is...