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菜单的背景颜色 - C/C++ - 清泛网 - 专注C/C++及内核技术
...//设置菜单项左边的位图
函数定义：BOOL SetMenuItemBitmaps( UINT nPosition, UINT nFlags, const CBitmap* pBmpUnchecked, const CBitmap* pBmpChecked );
nPostion指明具体要设置的菜单项，可以是菜单项索引，菜单项ID，具体由nFlags参数指明，为MF_BYPOSITION，...
Check orientation on Android phone
...n().orientation;
You can check for orientation by looking at its value:
int orientation = getResources().getConfiguration().orientation;
if (orientation == Configuration.ORIENTATION_LANDSCAPE) {
// In landscape
} else {
// In portrait
}
More information can be found in the Android Devel...
Find and extract a number from a string
...string and use Char.IsDigit
string a = "str123";
string b = string.Empty;
int val;
for (int i=0; i< a.Length; i++)
{
if (Char.IsDigit(a[i]))
b += a[i];
}
if (b.Length>0)
val = int.Parse(b);
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...
Elegant solution to duplicate, const and non-const, getters? [duplicate]
...nst, and casting away the const is allowed.
class Foo
{
public:
const int& get() const
{
//non-trivial work
return foo;
}
int& get()
{
return const_cast<int&>(const_cast<const Foo*>(this)->get());
}
};
...
Nullable ToString()
...also protects you from nulls. For ToString() it's not necessary (as you pointed out) but for default int values (for example) it works nicely, e.g.:
int page = currentPage ?? 1;
that lets you do all the integer operations on page w/o first explicitly null checking and calling for the value in cu...
Auto increment primary key in SQL Server Management Studio 2012
...
Make sure that the Key column's datatype is int and then setting identity manually, as image shows
Or just run this code
-- ID is the name of the [to be] identity column
ALTER TABLE [yourTable] DROP COLUMN ID
ALTER TABLE [yourTable] ADD ID INT IDENTITY(1,1)
th...
Android: How to handle right to left swipe gestures
...reListener extends SimpleOnGestureListener {
private static final int SWIPE_THRESHOLD = 100;
private static final int SWIPE_VELOCITY_THRESHOLD = 100;
@Override
public boolean onDown(MotionEvent e) {
return true;
}
@Override
publi...
self referential struct definition?
...ll as it becomes a never-ending recursion.
However a Cell CAN contain a pointer to another cell.
typedef struct Cell {
bool isParent;
struct Cell* child;
} Cell;
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...
Resolve Type from Class Name in a Different Assembly
...iedName}");
string typeName = match.Groups["name"].Value;
int n = int.Parse(match.Groups["count"].Value);
string asmName = match.Groups["assembly"].Value;
string subtypes = match.Groups["subtypes"].Value;
typeName = typeName + $"`{n}";
Type genericTy...
how to schedule a job for sql query to run daily?
...abaseName = 'Databasename' SET @pathName = 'C:\DBBackup\DBData\DBBackUp' + Convert(varchar(8), GETDATE(), 112) + '_' + Replace((Convert(varchar(8), GETDATE(), 108)),':','-')+ '.bak' BACKUP DATABASE @databaseName TO DISK = @pathName WITH NOFORMAT,
INIT,
NAME = N'',
SKIP,
NOREWIND,
NOUNLOAD,
STA...