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C++使用OLE/COM高速读写EXCEL的源码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...Row, long iColumn);
///检查一个CELL是否是数值
//BOOL IsCellInt(long iRow, long iColumn);
void SetCell(long irow, long icolumn,CString new_string);
///得到一个CELL的String
CString GetCell(long iRow, long iColumn);
CString GetCellByName(CString rowName,CString colName);
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What is the purpose of willSet and didSet in Swift?
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The point seems to be that sometimes, you need a property that has automatic storage and some behavior, for instance to notify other objects that the property just changed. When all you have is get/set, you need another field to ho...
How to capitalize the first letter of a String in Java?
...makes sure the rest of the string is lower-case. That's what I needed when converting from ALL_CAPS enum names.
– Ellen Spertus
Nov 13 '15 at 17:40
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How can I get the active screen dimensions?
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Screen.FromControl, Screen.FromPoint and Screen.FromRectangle should help you with this. For example in WinForms it would be:
class MyForm : Form
{
public Rectangle GetScreen()
{
return Screen.FromControl(this).Bounds;
}
}
I don't know of an equ...
Alter a MySQL column to be AUTO_INCREMENT
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ALTER TABLE document MODIFY COLUMN document_id INT auto_increment
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C++ deprecated conversion from string constant to 'char*'
...void foo(char* str);
foo("hello");
The problem is that you are trying to convert a string literal (with type const char[]) to char*.
You can convert a const char[] to const char* because the array decays to the pointer, but what you are doing is making a mutable a constant.
This conversion is pr...
“static const” vs “#define” vs “enum”
...u (and everyone else so far) omitted the third alternative:
static const int var = 5;
#define var 5
enum { var = 5 };
Ignoring issues about the choice of name, then:
If you need to pass a pointer around, you must use (1).
Since (2) is apparently an option, you don't need to pass pointers aroun...
Javascript / Chrome - How to copy an object from the webkit inspector as code
...'s done - to copy that object as javascript code. What I'm trying to do is convert an object that was created using ajax to parse an xml feed into a static javascript object so that a file can run locally, without a server. I've included a screenshot of the object in the chrome inspector window so y...
C++ preprocessor __VA_ARGS__ number of arguments
... The answer links to another site. Also the link doesn't seem to point to the correct answer. And even if I managed to find the intended answer it does seem a poor one as it embeds an hardcoded "-1" that will be compiled. There are better methods.
– ceztko
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Multi-line tooltips in Java?
...ttps://github.com/ls-cwi/yoshiko-app/blob/master/src/main/java/com/yoshiko/internal/view/JMultiLineToolTip.java
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