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What's the difference between “Write-Host”, “Write-Output”, or “[console]::WriteLine”?
...o send data on in the pipe line, but not necessarily want to display it on screen. The pipeline will eventually write it to out-default if nothing else uses it first.
Write-Host should be used when you want to do the opposite.
[console]::WriteLine is essentially what Write-Host is doing behind th...
What is the difference between atan and atan2 in C++?
...eturn negative numbers, so you can't trace things in the 4 directions on a screen just by adding/subtracting its result.
atan2 is intended for the origin to be in the middle, and things can go backwards or down. That's what you'd use in a screen representation, because it DOES matter what direction...
UICollectionView current visible cell index
... especially well when each item in your collection view takes up the whole screen.
Swift version
let visibleRect = CGRect(origin: collectionView.contentOffset, size: collectionView.bounds.size)
let visiblePoint = CGPoint(x: visibleRect.midX, y: visibleRect.midY)
let visibleIndexPath = collect...
Calling Objective-C method from C++ member function?
... "fonts/Marker Felt.ttf", 24);
// position the label on the center of the screen
label->setPosition(Vec2(origin.x + visibleSize.width/2,
origin.y + visibleSize.height - label- >getContentSize().height));
// add the label as a child to this layer
this->addChild(label...
Rich vs Anemic Domain Model [closed]
...I use JPA 2.1 named entity graph. For example, in controller for delivery screen, I can create method to load delivery attribute and ignore bonus, such as repository.findOrderByNumberFetchDelivery(). In bonus screen, I call another method that load bonus attribute and ignore delivery, such as repo...
How do you clear the focus in javascript?
...expert on the best way to do that; but you could certainly position it off-screen or outside of the bounds of an overflow: clip styled element. But you could just use a field that already exists on the page. Or create one just for the purpose and remove it again.
– Kevin Reid
...
Significant new inventions in computing since 1980
...printing part because everyone's
online anyway.
Colour. Seriously. Colour screens made a huge difference to non-geeks'
perception of games & applications.
Suddenly games seemed less like hard
work and more like watching TV, which
opened the doors for Sega, Nintendo,
Atari et al to bring consume...
ViewPager and fragments — what's the right way to store fragment's state?
...re using FragmentStatePagerAdapter). This is controlled by ViewPager.setOffscreenPageLimit(int). Because of this, directly calling methods on the fragments outside of the adapter is not guaranteed to be valid, because they may not even be alive.
To cut a long story short, your solution to use putF...
Display two files side by side
...
Is there a way for pr to auto-detect screen width?
– Matt
Apr 11 '14 at 18:59
2
...
iPhone viewWillAppear not firing
...realized that my second navigation controller did redefine viewWillAppear. Screening the code showed that I was not calling
[super viewWillAppear:animated];
I added it and it worked !
The documentation says:
If you override this method, you must call super at some point in your implementati...