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Android View.getDrawingCache returns null, only null

... sorry, personally, can't help you with your question :'( -> nice that it worked :) – cV2 Jul 26 '13 at 11:36 ...
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CMap用法 - C/C++ - 清泛网 - 专注C/C++及内核技术

...的效率。CMap就是对Hash表的一种实现。先上实例: int _tmain(int argc, char* argv[]) { //定义 typedef CMap<int, int, CString, CString> CMapInt; CMapInt map; //添加key,val map.SetAt(1, "str1"); map.SetAt(2, "str2"); map.SetAt(3, "str3"); map.SetAt(1, "s...
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error: cannot dynamic_cast ‘b’ (of type ‘class Base*’) to type ‘c...

error: cannot dynamic_cast ‘b’ (of type ‘class Base*’) to type ‘class Derived*’ (source type is not polymorphic)在将父类型转换为子类型时,可以使用static_cast和dynamic_cast.如果使用dynamic_cast,它要求父类必须为多态的,即要求至少有一个虚函数,因此....
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MFC的DDX和DDV技巧 - C/C++ - 清泛网 - 专注C/C++及内核技术

...件关系的成员变量的声明,代码: // Dialog Data  //{{AFX_DATA(CMyDlg)  enum { IDD = IDD_DIALOG5 };  int m_edit;  //}}AFX_DATA 2. 在 .CPP文件中的类构造函数告终代码处,增加数据成员变量的一些初始化代码 CMyDlg::CMyDlg(CWnd* pParent ) ...
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How to exit from Python without traceback?

... If sys.exit() is called in "main program stuff", the code above throws away the value passed to sys.exit. Notice that sys.exit raises SystemExit and the variable "e" will contain the exit code. – bstpierre ...
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Continuously read from STDOUT of external process in Ruby

...iven by blender line by line to update a progress bar in a GUI. It's not really important that blender is the external process whose stdout I need to read. ...
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Why does the default parameterless constructor go away when you create one with parameters

...ass, I most likely want to be able to instantiate that class. In order to allow that, the compiler must add a parameterless constructor, which will have no effect but to allow instantiation. This means that I don't have to include an empty constructor in my code just to make it work. If I've defin...
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python's re: return True if string contains regex pattern

...p.search(word) &lt;_sre.SRE_Match object at 0x101030b28&gt; . You can drop all the pipe symbols. – radtek Jan 27 '17 at 14:51 add a comment  |  ...
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history.replaceState() example?

...ight be to keep using replaceState() and simply set the document title manually document.title = "title" – newshorts Nov 7 '16 at 18:49 add a comment  |  ...
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How do I create a self-signed certificate for code signing on Windows?

... -a sha256 -cy authority -sky signature -sv MyCA.pvk MyCA.cer (^ = allow batch command-line to wrap line) This creates a self-signed (-r) certificate, with an exportable private key (-pe). It's named "My CA", and should be put in the CA store for the current user. We're using the SHA-256 al...