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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
STL中map容器使用自定义key类型报错详解引言STL的map容器中，key的类型是不是随意的呢？实践编写测试代码定义一个结构体来试试：[cpp]view plaincopystructa{char*pNam>me m>;intm_a;} 引言
STL的map容器中，key的类型是不是随意的呢？
实践
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MFC Static透明背景色的实现、Static控件自绘、Static字体修改 - C/C++ - ...
MFC Static透明背景色的实现、Static控件自绘、Static字体修改第一种：pDC->SetBkMode(TRANSPARENT);afx_msg HBRUSH CtlColor(CDC* *pDC* , UINT *nCtlColor* );COLORREF m_crText;COLORREF m_...第一种：pDC->SetBkMode(TRANSPARENT);
afx_msg HBRUSH CtlColor(CDC* /*pDC*/, UINT /*nCtlC...
Value of i for (i == -i && i != 0) to return true in Java
...nteger.MIN_VALUE.
It's because integers are negated using the two's complem>me m>nt way.
Using
System.out.println(Integer.toBinaryString(Integer.MIN_VALUE));
you see that Integer.MIN_VALUE is
10000000000000000000000000000000
Taking the negative value is done by first swapping 0 and 1, which gives...
How to verify multiple m>me m>thod calls with different params
I have the following m>me m>thod that I wish to verify behaviour on.
7 Answers
7
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What happens when there's insufficient m>me m>mory to throw an OutOfm>Me m>moryError?
I am aware that every object requires heap m>me m>mory and every primitive/reference on the stack requires stack m>me m>mory.
11 Answ...
Given two directory trees, how can I find out which files differ by content?
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@skv why? It's the sam>me m> command as answer. I've changed only --brief to it's shortcut -q.
– sobi3ch
Dec 1 '15 at 9:37
2
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How to find where a m>me m>thod is defined at runtim>me m>?
We recently had a problem where, after a series of commits had occurred, a backend process failed to run. Now, we were good little boys and girls and ran rake test after every check-in but, due to som>me m> oddities in Rails' library loading, it only occurred when we ran it directly from Mongrel in pro...
How do I debug an MPI program?
...te debug output to a separate log file, but this doesn't really give the sam>me m> freedom as a debugger.
16 Answers
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How can I manually generate a .pyc file from a .py file
For som>me m> reason, I can not depend on Python's "import" statem>me m>nt to generate .pyc file automatically
8 Answers
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Is it safe to remove selected keys from map within a range loop?
How can one remove selected keys from a map?
Is it safe to combine delete() with range, as in the code below?
4 Answers
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