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Clicking the back button twice to exit an activity
... }
this.doubleBackToExitPressedOnce = true;
Toast.makeText(this, R.string.exit_press_back_twice_message, Toast.LENGTH_SHORT).show();
}
And it just works exactly as I want. Including the reset of the state whenever the activity is resumed.
...
Static constant string (class member)
... in a header file in your case)
class A {
private:
static const string RECTANGLE;
};
and then
// In one of the implementation files
const string A::RECTANGLE = "rectangle";
The syntax you were originally trying to use (initializer inside class definition) is only allowed with integra...
round up to 2 decimal places in java? [duplicate]
...
String roundOffTo2DecPlaces(float val)
{
return String.format("%.2f", val);
}
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Selectors in Objective-C?
...l about the method names. In this case, the method name is just "lowercaseString", not "lowercaseString:" (note the absence of the colon). That's why you're getting NO returned, because NSString objects respond to the lowercaseString message but not the lowercaseString: message.
How do you know wh...
PHP Function Comments
... * Potential values are 'good', 'fair', 'poor' and 'unknown'.
* @var string $foo
*/
public $foo = 'unknown';
/**
* The status of life
* Note that names of private properties or methods must be
* preceeded by an underscore.
* @var bool $_good
*/
privat...
Remove not alphanumeric characters from string
I want to convert the following string to the provided output.
7 Answers
7
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scale Image in an UIButton to AspectFit?
...CPU cycles.
This is the category I'm using to scale an image :
UIImage+Extra.h
@interface UIImage (Extras)
- (UIImage *)imageByScalingProportionallyToSize:(CGSize)targetSize;
@end;
UIImage+Extra.m
@implementation UIImage (Extras)
- (UIImage *)imageByScalingProportionallyToSize:(CGSize)targe...
jQuery select2 get value of select tag?
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Very useful if you have extra properties on the select2 objects
– Shoe
Oct 13 '16 at 15:40
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How to perform a mysqldump without a password prompt?
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To use a file that is anywhere inside of OS, use --defaults-extra-file eg:
mysqldump --defaults-extra-file=/path/.sqlpwd [database] > [desiredoutput].sql
Note: .sqlpwd is just an example filename. You can use whatever you desire.
Note: MySQL will automatically check for ~/.my....
What is state-of-the-art for text rendering in OpenGL as of version 4.1? [closed]
...x Pulling (D. Rákos, "OpenGL Insights", pp. 239), there is no significant extra latency or overhead associated with pulling vertex data programmatically from the shader on the newest generations of GPUs, as compared to doing the same using the standard fixed function.
Also, the latest generations o...