大约有 16,000 项符合查询结果（耗时：0.0618秒） [XML]
What is the bit size of long on 64-bit Windows?
...me that long are not 64 bits on 64 bit machines and I should always use int . This did not make sense to me. I have seen docs (such as the one on Apple's official site) say that long are indeed 64 bits when compiling for a 64-bit CPU. I looked up what it was on 64-bit Windows and found
...
What is the format specifier for unsigned short int?
...u , x , X , or n conversion
specifier applies to an argument with type pointer to short or
unsigned short.
share
|
improve this answer
|
follow
|
...
Pointer to class data member “::*”
...
It's a "pointer to member" - the following code illustrates its use:
#include <iostream>
using namespace std;
class Car
{
public:
int speed;
};
int main()
{
int Car::*pSpeed = &Car::speed;
Car c1;
c1.s...
Sending data back to the Main Activity in Android
...a back to the main Activity using setResult. The setResult method takes an int result value and an Intent that is passed back to the calling Activity.
Intent resultIntent = new Intent();
// TODO Add extras or a data URI to this intent as appropriate.
resultIntent.putExtra("some_key", "String data")...
Find XOR of all numbers in a given range
...presentation and then the decimal result and its relation to its index (a) into the XOR list. This happens because all the upper bits cancel and the lowest two bits cycle every 4. So, that's how to arrive at that little lookup table.
Now, consider for a general range of [a,b]. We can use f() to fi...
How set maximum date in datepicker dialog in android?
... @Override
public void onDateSet(DatePicker arg0, int year, int month, int day_of_month) {
calendar.set(Calendar.YEAR, year);
calendar.set(Calendar.MONTH, (month+1));
calendar.set(Calendar.DAY_OF_MONTH, ...
Sanitizing strings to make them URL and filename safe?
... you'll have ugly looking URLs.
So, if I were you, after lowercasing, I'd convert any 'special' characters to their equivalent (e.g. é -> e) and replace non [a-z] characters with '-', limiting to runs of a single '-' as you've done. There's an implementation of converting special characters he...
dynamically add and remove view to viewpager
...the page no longer exists,
// return POSITION_NONE.
@Override
public int getItemPosition (Object object)
{
int index = views.indexOf (object);
if (index == -1)
return POSITION_NONE;
else
return index;
}
//----------------------------------------------------------...
How to get a resource id with a known resource name?
...t to access a resource like a String or a Drawable by its name and not its int id.
10 Answers
...
Predicate Delegates in C#
...ons.Generic;
class Program
{
static void Main()
{
List<int> list = new List<int> { 1, 2, 3 };
Predicate<int> predicate = new Predicate<int>(greaterThanTwo);
List<int> newList = list.FindAll(predicate);
}
static bool greaterTha...