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How to close Android application?
...ves the HOME key event to itself so that a developer cannot prevent users from leaving their application. However you can determine with the HOME key is pressed by setting a flag to true in a helper class that assumes that the HOME key has been pressed, then changing the flag to false when an even...
What are inline namespaces for?
...le, consider the STL implementation of vector. If we had inline namespaces from the beginning of C++, then in C++98 the header <vector> might have looked like this:
namespace std {
#if __cplusplus < 1997L // pre-standard C++
inline
#endif
namespace pre_cxx_1997 {
template...
How to call a method with a separate thread in Java?
let's say I have a method doWork() . How do I call it from a separate thread (not the main thread).
7 Answers
...
Immutable class?
...und this problem is to return a copy of an array or collection when called from a getter:
public List<T> getList() {
// return a copy of the list so the internal state cannot be altered
return new ArrayList(list);
}
What is the advantage of immutability?
The advantage of immutability c...
What's the most efficient test of whether a PHP string ends with another string?
... I ran into a bug today which will break the solution that you have given from PHP 5.5.11 and onwards. bugs.php.net/bug.php?id=67043
– user2180613
Jul 29 '14 at 21:18
...
Change File Extension Using C#
...
@Alex I am not moving a file, i get file path from broswer like c:\..\..\a.jpg, and the file format on physical path is a.Jpeg, so when i try to delete it, it gives me error cannot find the file on specified path. so i am thinking it has some to do with the file extensio...
How to convert SecureString to System.String?
...e length stored in the BSTR will be a copy of the length already available from SecureString.Length.
– Ben Voigt
Nov 8 '19 at 15:27
...
How to resize an Image C#
...Resolution, image.VerticalResolution);
using (var graphics = Graphics.FromImage(destImage))
{
graphics.CompositingMode = CompositingMode.SourceCopy;
graphics.CompositingQuality = CompositingQuality.HighQuality;
graphics.InterpolationMode = InterpolationMode.HighQuali...
Java Equivalent of C# async/await?
...a lot of JVM machinery which is asynchronous, yes... that's very different from there being actual language features supporting asynchrony though. (There was a lot of asynchrony in .NET before async/await, too... but async/await makes it far easier to take advantage of that.)
–...
Using AES encryption in C#
...he bytes to a string.
string roundtrip = DecryptStringFromBytes(encrypted, myRijndael.Key, myRijndael.IV);
//Display the original data and the decrypted data.
Console.WriteLine("Original: {0}", original);
Console.Wri...