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What is the difference between == and Equals() for primitives in C#?
...t, so you aren't calling it.
You could force it to call this method with a cast:
Console.WriteLine(newAge.Equals((short)age)); // true
This will call short.Equals(short) directly, without boxing. If age is larger than 32767, it will throw an overflow exception.
You could also call the short.Equals(...
convert a list of objects from one type to another using lambda expression
...ound when (or if) it can be used. I just tried it and was getting a cannot cast expression exception
– Collin M. Barrett
Aug 1 '18 at 16:26
...
error C2440: \'initializing\' : cannot convert from \'char *\' to \'co...
...har> > *'
Types pointed to are unrelated; conversion requires reinterpret_cast, C-style cast or function-style cast
//输出一行中所有字符
void printchar(string &line)
{
istringstream iss(line);
string word;
while(iss>>word)
for(vector<string>::const_...
How do you convert a DataTable into a generic list?
... System.Data.DataSetExtensions.dll,
List<DataRow> rows = table.Rows.Cast<DataRow>().ToList();
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C++ catch blocks - catch exception by value or reference? [duplicate]
...onst object and catch it with a non-const reference. To avoid this silent "casting away" of const, always catch a const reference, and ensure your exception types have const-correct accessors.
– Daniel Earwicker
Mar 26 '10 at 10:01
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How to set DialogFragment's width and height?
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@jmaculate - Quick question: when you are casting to (android.view.WindowManager.LayoutParams), what are you casting it from? I was puzzled when choosing the correct import for LayoutParams appearing in the first 3 lines of the function. Ended up choosing (android.vi...
Get current date in milliseconds
...
Casting the NSTimeInterval directly to a long overflowed for me, so instead I had to cast to a long long.
long long milliseconds = (long long)([[NSDate date] timeIntervalSince1970] * 1000.0);
The result is a 13 digit times...
PHP - Get bool to echo false when false
...'s a weird way to do it, because array keys cannot be bool types. PHP will cast that to array(0 => 'false', 1 => 'true').
– Mark E. Haase
Feb 9 '11 at 19:00
66
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Get Bitmap attached to ImageView
... Be carefull to check if your image.getDrawable() can actually be cast to BitmapDrawable (to avoid IllegalCastExceptions). If, for instance, you use layers in your image then this snippet will be slightly different: Bitmap bitmap = ((BitmapDrawable)((LayerDrawable)image.getDrawable()).getDr...
ListCtrl 重绘(Custom Draw) - C/C++ - 清泛网 - 专注C/C++及内核技术
...NMHDR* pNMHDR, LRESULT* pResult )
{
NMLVCUSTOMDRAW* pLVCD = reinterpret_cast<NMLVCUSTOMDRAW*>( pNMHDR );
// Take the default processing unless we set this to something else below.
*pResult = 0;
// First thing - check the draw stage. If it's the control's prepaint
// stage,...