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Debug Error \"pure virtual function call\" 原因解析 - 更多技术 - 清泛...
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通过野指针调用到虚函数
还是上面那个例子，但是不在基类构造函数中调用callVirtual:
Derived* pD = new Derived;
Base* pB = pD;
delete pD;
pB->virtualFunc();
其实对于第一种情况，如果你在基类构造函数或析构函数中直接调用纯...
可重入函数、不可重入函数及线程安全 - C/C++ - 清泛网 - 专注C/C++及内核技术
可重入函数、不可重入函数及线程安全重入即表示重复进入，首先它意味着这个函数可以被中断，其次意味着它除了使用自己栈上的变量以外不依赖于任何环境（包括static），这样的函数就是purecode（纯代码）可重入，可以允许...
What is the difference between GitHub and gist?
...ivate to-do list. You could write one using Github Markdown as follows:
NB: It is important to preserve the whitespace as shown above between the dash and brackets.
It is also important that you save the file with the extension .md because we want the markdown to format properly.
Remember to save...
Django rest framework, use different serializers in the same ModelViewSet
...for field_name in existing - allowed:
self.fields.pop(field_name)
# ....
NB If I just wanted two or three classes that mapped to distinct actions and/or I didn't want any specially dynamic serializer behaviour, I might well use one of the approaches mentioned by others here, but I thought this wor...
也来说说ReactOS的调试 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...错的地方大家别笑,看ReactOS的源码好多天了,许多windows下不...By::ProgrammeBoy
Blog:http://hi.baidu.com/ProgrammeBoy
老鸟飞过,科普类….有错的地方大家别笑,
看ReactOS的源码好多天了,许多windows下不明白的地方看看ReactOS的代码也就知道...
How does lombok work?
...something else, but it can't be done, so we resort to internal API usage.
NB: I'm one of the lead developers of lombok, so, I'm probably a little biased :P
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Different class for the last element in ng-repeat
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NB: This does not work when ng-repeat is followed by <div class="file"><!-- dummy for creating new element --></div>, and you would like to set apart the list of existing .file divs.
– ...
How do I set the maximum line length in PyCharm?
...rd Wrap & Visual Guides
for wrapping while typing, tick the checkbox.
NB: look at other tabs as well, viz. Python, HTML, JSON etc.
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TCP 的那些事儿（下） - 更多技术 - 清泛网 - 专注C/C++及内核技术
TCP 的那些事儿（下）这篇文章是下篇，所以如果你对TCP不熟悉的话，还请你先看看上篇《TCP的那些事儿（上）》 上篇中，我们介绍了TCP的协议头、状态机、数据重...
这篇文章是下篇，所以如果你对TCP不熟悉的话，还请你先看...
社交应用组件 · App Inventor 2 中文网
...）以及是否可以单击（启用）。
联系人选择框组件可能不适用于所有手机。例如，在3.0之前的Android系统上，它无法选择电话号码，并且电子邮件地址列表将仅包含一封电子邮件。
属性
背景颜色
设置联系人选择框的背景...