大约有 16,000 项符合查询结果（耗时：0.0450秒） [XML]
Printing 1 to 1000 without loop or conditionals
Task : Print numbers from 1 to 1000 without using any loop or conditional statements. Don't just write the printf() or cout statement 1000 times.
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Get all child views inside LinearLayout at once
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Use getChildCount() and getChildAt(int index).
Example:
LinearLayout ll = …
final int childCount = ll.getChildCount();
for (int i = 0; i < childCount; i++) {
View v = ll.getChildAt(i);
// Do something with v.
// …
}
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C++ equivalent of Java's toString?
...d operator<< for ostream and your custom class:
class A {
public:
int i;
};
std::ostream& operator<<(std::ostream &strm, const A &a) {
return strm << "A(" << a.i << ")";
}
This way you can output instances of your class on streams:
A x = ...;
std::c...
How to manage REST API versioning with spring?
...versions using Spring 3.2.x, but I haven't find anything that is easy to maintain. I'll explain first the problem I have, and then a solution... but I do wonder if I'm re-inventing the wheel here.
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Evaluating string “3*(4+2)” yield int 18 [duplicate]
...t that page wandering if there was a framework function instead and got an interesting answer about using DataTable's Compute method: stackoverflow.com/questions/2859111/c-math-calculator/…
– Michael
Sep 28 '11 at 2:44
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Check string for palindrome
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Why not just:
public static boolean istPalindrom(char[] word){
int i1 = 0;
int i2 = word.length - 1;
while (i2 > i1) {
if (word[i1] != word[i2]) {
return false;
}
++i1;
--i2;
}
return true;
}
Example:
Input is "andna".
i1 ...
Input text dialog Android
When a user clicks a Button in my App (which is printed in a SurfaceView ), I'd like a text Dialog to appear and I would like to store the result in a String . I'd like the text Dialog to overlay the current screen. How can I do this?
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What is the use of having destructor as private?
... friend void delete_a(a* p);
};
void delete_a(a* p) {
delete p;
}
int main()
{
a *p = new a;
delete_a(p);
return 0;
}
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Writing your own STL Container
... typedef typename A::reference reference;
typedef typename A::pointer pointer;
typedef std::random_access_iterator_tag iterator_category; //or another tag
iterator();
iterator(const iterator&);
~iterator();
iterator& operator=(const iterat...
Why does this go into an infinite loop?
...e in this answer for purposes of illustration, since C# allows you to pass int parameters by reference with the ref keyword. I've decided to update it with actual legal Java code using the first MutableInt class I found on Google to sort of approximate what ref does in C#. I can't really tell if tha...