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How do you create an asynchronous method in C#?
...xc) { tcs.SetException(exc); }
});
return tcs.Task;
}
From here and here
To support such a paradigm with Tasks, we need a way to retain the Task façade and the ability to refer to an arbitrary asynchronous operation as a Task, but to control the lifetime of that Task according to the...
How to handle Handler messages when activity/fragment is paused
...
Although the Android operating system does not appear to have a mechanism that sufficiently addresses your problem I believe this pattern does provide a relatively simple to implement workaround.
The following class is a wrapper around a...
Using getopts to process long and short command line options
...l that getopt does is canonicalize the options that are passed in — i.e. convert them to a more standard form, so that it's easier for a shell script to process them. For example, an application of getopt might convert the following:
myscript -ab infile.txt -ooutfile.txt
into this:
myscript -...
How to remove text from a string?
...123".replace(/data-/g,'');
PS: The replace function returns a new string and leaves the original string unchanged, so use the function return value after the replace() call.
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How to delete large data of table in SQL without log?
...ty the table, you cannot use WHERE clause to limit the rows being deleted and no triggers will be fired.
On the other hand if you are deleting more than 80-90 Percent of the data, say if you have total of 11 Million rows and you want to delete 10 million another way would be to Insert these 1 mill...
Index of Currently Selected Row in DataGridView
...tCell property for the DataGridView.
datagridview.CurrentCell.RowIndex
Handle the SelectionChanged event and find the index of the selected row as above.
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Android LocationClient class is deprecated but used in documentation
...e using the new/latest Location Service API... Enjoy developing :)
import android.location.Location;
import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.widget.TextView;
import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms....
How to encrypt String in Java
...
This is the first page that shows up via Google and the security
vulnerabilities in all the implementations make me cringe so I'm
posting this to add information regarding encryption for others as it
has been 7 Years from the original post. I hold a Masters Degree in...
MFC 的SetWindowPos 用法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...DN上的 解释 :::
其内部定义:
BOOL SetWindowPos(
HWND hWnd, // handle of window
HWND hWndInsertAfter, // placement-order handle
int X, // horizontal position
int Y, // vertical position
int cx, // width
int cy, // height
UINT uFlags // window-positioning flags
);
参数...
Vertical (rotated) text in HTML table
... Not String.IsNullOrEmpty(strRotate) Then
bRotate = System.Convert.ToBoolean(strRotate)
End If
Catch ex As Exception
End Try
'Dim img As System.Drawing.Image = GenerateImage(strText, "Arial", bRotate)
'Dim img As System.Drawing.Image = C...