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What are the differences between struct and class in C++?
...ween a class and a struct. A
struct simply feels like an open pile
of bits with very little in the way of
encapsulation or functionality. A
class feels like a living and
responsible member of society with
intelligent services, a strong
encapsulation barrier, and a well
defined inte...
How to add images in select list?
...heckboxes instead of radio buttons.
Here is an example. The code may be a bit messier (specially compared to the other solutions):
.select-sim {
width:200px;
height:22px;
line-height:22px;
vertical-align:middle;
position:relative;
background:white;
border:1px solid #ccc;
...
Why is address zero used for the null pointer?
...
Minix 16 bit compiler used 0xFFFF for NULL.
– Joshua
May 3 '10 at 18:12
3
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Force R to stop plotting abbreviated axis labels - e.g. 1e+00 in ggplot2
...ant to force R to display the actual values which in this case would be 1,10 .
7 Answers
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I don't understand -Wl,-rpath -Wl,
...
answered Jul 3 '11 at 10:47
Kerrek SBKerrek SB
415k7676 gold badges781781 silver badges10021002 bronze badges
...
dynamic_cast and static_cast in C++
...f type checking but maybe it will help you understand its purpose a little bit better:
struct Animal // Would be a base class in C++
{
enum Type { Dog, Cat };
Type type;
};
Animal * make_dog()
{
Animal * dog = new Animal;
dog->type = Animal::Dog;
return dog;
}
Animal * make_cat...
房多多：懂用户比懂互联网重要 - 资讯 - 清泛网 - 专注C/C++及内核技术
...
在这条商业链条中，参与多方其实都不能满意。 “黄金(1051.60， -2.20， -0.21%)时代”可以等着客户上门，但到了“白银(13.92， -0.09， -0.64%)时代”，房子就越来越难卖了。这种情况迟早会被改变，所以我们开始做房多多。
房多...
Computational complexity of Fibonacci Sequence
...t T(n) = O(2^n)
– amnn
Jul 3 '16 at 10:36
1
"Alternatively, you can draw the recursion tree, whic...
How can I write a heredoc to a file in Bash script?
...
answered Jun 2 '10 at 3:40
Stefan LasiewskiStefan Lasiewski
13.5k33 gold badges2121 silver badges3434 bronze badges
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Difference between & and && in Java? [duplicate]
...
& is bitwise.
&& is logical.
& evaluates both sides of the operation.
&& evaluates the left side of the operation, if it's true, it continues and evaluates the right side.
...