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How to disable / enable dialog negative positive buttons?
...is empty.");
builder.setPositiveButton("PositiveButton",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface arg0, int arg1) {
// DO TASK
}
});
builder.setNegativeButton("NegativeButton",
new DialogInterface.OnCl...
C pointer to array/array of pointers disambiguation
...
int* arr[8]; // An array of int pointers.
int (*arr)[8]; // A pointer to an array of integers
The third one is same as the first.
The general rule is operator precedence. It can get even much more complex as function point...
How to use Single TextWatcher for multiple EditTexts?
... view;
}
public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) {}
public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {}
public void afterTextChanged(Editable editable) {
String text = editable.toString();
switch(vie...
Ruby on Rails: How do you add add zeros in front of a number if it's under 10?
I'm looking to convert single digit numbers to two-digit numbers like so:
4 Answers
4
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How to initialize a private static const map in C++?
I need just dictionary or associative array string => int .
10 Answers
10
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How can I make a WPF combo box have the width of its widest element in XAML?
...inForms AutoSizeMode=GrowOnly.
The way I did this was with a custom value converter:
public class GrowConverter : IValueConverter
{
public double Minimum
{
get;
set;
}
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{...
How do I get bit-by-bit data from an integer value in C?
...lue to get just the bit we want. We could write it out more fully as:
int mask = 1 << k;
int masked_n = n & mask;
int thebit = masked_n >> k;
You can read more about bit-masking here.
Here is a program:
#include <stdio.h>
#include <stdlib.h>
int *get_b...
How can I create Min stl priority_queue?
...
Use std::greater as the comparison function:
std::priority_queue<int, std::vector<int>, std::greater<int> > my_min_heap;
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Passing a 2D array to a C++ function
...hree ways to pass a 2D array to a function:
The parameter is a 2D array
int array[10][10];
void passFunc(int a[][10])
{
// ...
}
passFunc(array);
The parameter is an array containing pointers
int *array[10];
for(int i = 0; i < 10; i++)
array[i] = new int[10];
void passFunc(int *a[10]...
Setting an int to Infinity in C++
I have an int a that needs to be equal to "infinity". This means that if
6 Answers
6...