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How to correctly implement custom iterators and const_iterators?
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edited Sep 25 '19 at 10:30
answered Aug 27 '10 at 9:11
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What is the difference between class and instance methods?
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edited Feb 26 '10 at 17:11
answered Jun 27 '09 at 21:19
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Typedef function pointer?
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answered Nov 28 '10 at 5:13
e2-e4e2-e4
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Why should I prefer to use member initialization lists?
...call to a default constructor. Consider:
class A
{
public:
A() { x = 0; }
A(int x_) { x = x_; }
int x;
};
class B
{
public:
B()
{
a.x = 3;
}
private:
A a;
};
In this case, the constructor for B will call the default constructor for A, and then initialize a.x ...
Is Fortran easier to optimize than C for heavy calculations?
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450
The languages have similar feature-sets. The performance difference comes from the fact that For...
Regular expression to match any character being repeated more than 10 times
...e regular expression to match the same character being repeated more than 10 or so times. So for example, if I have a document littered with horizontal lines:
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Best practice to validate null and empty collection in Java
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edited Jan 19 '18 at 10:20
informatik01
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an...
How to break out of multiple loops?
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answered Oct 10 '08 at 0:25
Robert RossneyRobert Rossney
83.7k2323 gold badges134134 silver badges207207 bronze badges
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基于PECL OAuth打造微博应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...$param = array(), $header = array())
{
$boundary = sprintf('%010d', mt_rand());
$header[] = "Content-Type: multipart/form-data; boundary={$boundary}";
$oauth = array(
'oauth_consumer_key' => $this->consumer_key,
'oauth_nonce' ...
Why does this method print 4?
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I think the others have done a good job at explaining why cnt > 0, but there's not enough details regarding why cnt = 4, and why cnt varies so widely among different settings. I will attempt to fill that void here.
Let
X be the total stack size
M be the stack space used when we enter ...