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如何获取IE (控件)的所有链接（包括Frameset, iframe） - 其他 - 清泛IT社...
来源：新浪博客
IE 顶层 body 节点通过IHTMLElement->get_all 方法无法获取iframe 里面的节点列表：
CComPtr<IHTMLElement> body;
...
CComPtr<IDispatch> spDispCollection;
body->get_all(&spDispCollection);复制代码所以要获取iframe/frame(frameset) ...
Passing two command parameters using a WPF binding
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Use Tuple in Converter, and in OnExecute, cast the parameter object back to Tuple.
public class YourConverter : IMultiValueConverter
{
public object Convert(object[] values, ...)
{
Tuple<string, string> tuple = new Tuple<strin...
Android DialogFragment vs Dialog
...ed callback inside fragment, not activity. I can use setTargetFragment and cast it to interface. But it is hell.
– Alexey Zakharov
Nov 2 '11 at 8:59
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Math.random() versus Random.nextInt(int)
...ution.
Scaling by 6 doesn't alter the number of possible values, and casting to an int then forces these values into one of six 'buckets' (0, 1, 2, 3, 4, 5), each bucket corresponding to ranges encompassing either 1501199875790165 or 1501199875790166 of the possible values (as 6 is not a disvi...
Forward declaring an enum in C++
...ifferent sizes, but I'm fairly sure that data pointers have to round-trip (cast to another data pointer type, then back to the original, need to still work), which implies that all data pointers are the same size.
– Ben Voigt
Mar 9 '10 at 4:53
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SQL Server dynamic PIVOT query?
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SET @PIVOT_SQL_STRING = 'SELECT top 1 STUFF((SELECT distinct '', '' + CAST(''[''+CONVERT(VARCHAR,'+ @PIVOT_COLUMN+')+'']'' AS VARCHAR(50)) [text()]
FROM '+@TABLE+'
WHERE ISNULL('+@PIVOT_COLUMN+','''') <> ''''
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Why is char[] preferred over String for passwords?
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Why would someone assume the char array was going to be cast as an Object? I'm not sure I get why every likes this answer. Suppose you did this: System.out.println("Password".toCharArray());
– GC_
Aug 22 '16 at 13:23
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UICollectionView Set number of columns
...ds.width - totalSpace) / CGFloat(numberOfItemsPerRow)) - you should remove casting to Int, because in some cases it make small spaces between cells
– Makalele
Dec 30 '16 at 23:52
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Using a bitmask in C#
...member, so I make life easier on myself with a FlagsHelper class*:
// The casts to object in the below code are an unfortunate necessity due to
// C#'s restriction against a where T : Enum constraint. (There are ways around
// this, but they're outside the scope of this simple illustration.)
public...
Why sizeof int is wrong, while sizeof(int) is right?
...t*)(+1)).
C++ has a somewhat similar issue to resolve with function-style cast syntax. You can write int(0) and you can write typedef int *intptr; intptr(0);, but you can't write int*(0). In that case, the resolution is that the "naked" type must be a simple type name, it can't just be any old type...