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STL中map容器使用自定义key类型报错详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
... int m_a;
};
...
map<a, int> mp;
a a1;
a1.m_a = 100;
a1.pName = "a1";
a a2;
a2.m_a = 200;
a2.pName = "a2";
mp.insert(std::make_pair(a1, 1));
mp.insert(std::make_pair(a2, 1));
编译出错
初始化结构体对象，添加到容器...
Simple way to repeat a String in java
...tidy way to do this in conjunction with Collections.nCopies:
// say hello 100 times
System.out.println(String.join("", Collections.nCopies(100, "hello")));
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Are the decimal places in a CSS width respected?
...ory and used for subsequent child calculation. For example, if your box of 100.4999px paints to 100px, it's child with a width of 50% will be calculated as .5*100.4999 instead of .5*100. And so on to deeper levels.
I've created deeply nested grid layout systems where parents widths are ems, and chi...
How to get last key in an array?
...
100
excited by this answer, i did a quick test of 100,000 iterations, comparing (a) end($arr);$key = key($arr);reset($arr); against (b) $key =...
How do I get the logfile from an Android device?
...on/intent try
$adb logcat -d | grep 'com.whatever.you.are.looking.for' -B 100 -A 100 > shorterlog.txt
Hope this helps :)
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Split List into Sublists with LINQ
...ng:
foreach (var item in Enumerable.Range(1, int.MaxValue).Chunk(8).Skip(100000).First())
{
Console.WriteLine(item);
}
// wait forever
To overcome this we can try Cameron's approach, which passes the above test in flying colors as it only walks the enumeration once.
Trouble is that it has ...
Why can't I use background image and color together?
...ba(255, 255, 255, .2) 15px, transparent 15px, transparent 30px);
width: 100px;
height: 100px;
margin: 10px 0 0 10px;
display: inline-block;
}
<div class="box" style="background-color:orange"></div>
<div class="box" style="background-color:green"></div>
<div...
Detecting Browser Autofill
...;
callback();
}
setTimeout(infunc, 100);
}
setTimeout(infunc, 100);
};
You can call it like this:
$("#myInput").allchange(function () {
alert("change!");
});
...
Align DIV's to bottom or baseline
...
</div>
</body>
</html>
CSS
html,body {
width: 100%;
height: 100%;
}
.valign {
display: table;
width: 100%;
height: 100%;
}
.valign > div {
display: table-cell;
width: 100%;
height: 100%;
}
.valign.bottom > div {
vertical-align: botto...
std::cin input with spaces?
...
You have to use cin.getline():
char input[100];
cin.getline(input,sizeof(input));
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