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Throwing cats out of windows
...n.
It agrees with Google result from Gaurav Saxena's link for (100, 2).
int n = 100; // number of floors
int m = 20; // number of cats
int INFINITY = 1000000;
int[][] a = new int[n + 1][m + 1];
for (int i = 1; i <= n; ++i) {
// no cats - no game
a[i][0] = INFINITY;
}
for (int i = 1; ...
Generate random string/characters in JavaScript
...tring method of a number type in javascript takes an optional parameter to convert the number into a given base. If you pass two, for example, you'll see your number represented in binary. Similar to hex (base 16), base 36 uses letters to represent digits beyond 9. By converting a random number to b...
python max function using 'key' and lambda expression
...on the type of the objects (for example a string is always greater than an integer).
To modify the object before comparison, or to compare based on a particular attribute/index, you've to use the key argument.
Example 1:
A simple example, suppose you have a list of numbers in string form, but yo...
How do android screen coordinates work?
...cept will work.
Display mdisp = getWindowManager().getDefaultDisplay();
Point mdispSize = new Point();
mdisp.getSize(mdispSize);
int maxX = mdispSize.x;
int maxY = mdispSize.y;
EDIT:- ** **for devices supporting android api level older than 13. Can use below code.
Display mdisp = getWindowM...
Java 8: performance of Streams vs Collections
...(StreamVsVanilla.N)
public class StreamVsVanilla {
public static final int N = 10000;
static List<Integer> sourceList = new ArrayList<>();
static {
for (int i = 0; i < N; i++) {
sourceList.add(i);
}
}
@Benchmark
public List<Doub...
What is the difference between a var and val definition in Scala?
...d, and the object assigned to a var can. However, said object can have its internal state modified. For example:
class A(n: Int) {
var value = n
}
class B(n: Int) {
val value = new A(n)
}
object Test {
def main(args: Array[String]) {
val x = new B(5)
x = new B(6) // Doesn't work, be...
Android Fragment onClick button Method
...
Your activity must have
public void insertIntoDb(View v) {
...
}
not Fragment .
If you don't want the above in activity. initialize button in fragment and set listener to the same.
<Button
android:id="@+id/btn_conferma" // + missing
Then
@Override
pub...
calling non-static method in static method in Java [duplicate]
...dd(10,20); // to call the non-static method
}
public void add(int x ,int y) {
int a = x;
int b = y;
int c = a + b;
System.out.println("addition" + c);
}
}
share
|
...
How to implement a ConfigurationSection with a ConfigurationElementCollection
... <Site Id="123" />
<Lanes>
<Lane Id="1" PointId="north" Direction="Entry"/>
<Lane Id="2" PointId="south" Direction="Exit"/>
</Lanes>
</CustomApplicationConfig>
then you can use my implementation of configuration section so to...
Android Webview - Completely Clear the Cache
...thod for clearCache() , recursive
//returns number of deleted files
static int clearCacheFolder(final File dir, final int numDays) {
int deletedFiles = 0;
if (dir!= null && dir.isDirectory()) {
try {
for (File child:dir.listFiles()) {
//first del...