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“From View Controller” disappears using UIViewControllerContextTransitioning
...'ve filed a radar.
I used Reveal to inspect the view hierarchy after the screen goes black. The key UIWindow is completely empty – no view hierarchy at all!
I played around a bit and it looks like there is an easy workaround, for simple cases. You can just re-add the toViewController's view a...
How to print out all the elements of a List in Java?
...t must have toString implemented for them to print something meaningful to screen.
Here's a quick test to see the differences:
public class Test {
public class T1 {
public Integer x;
}
public class T2 {
public Integer x;
@Override
public String toStri...
Hide separator line on one UITableViewCell
...iteMagnitude)
}
or :
cell.separatorInset = UIEdgeInsetsMake(0, 0, 0, UIScreen.main.bounds.width)
for default Margin:
cell.separatorInset = UIEdgeInsetsMake(0, tCell.layoutMargins.left, 0, 0)
to show separator end-to-end
cell.separatorInset = .zero
Objective-C:
if (indexPath.row == {yo...
How to know when UITableView did scroll to bottom in iPhone
...
The best way is to test a point at the bottom of the screen and use this method call when ever the user scrolls (scrollViewDidScroll):
- (NSIndexPath *)indexPathForRowAtPoint:(CGPoint)point
Test a point near the bottom of the screen, and then using the indexPath it returns c...
using href links inside tag
... viewing a page with a non-traditional browser (a non graphical browser or screen reader or the page is accessed programmatically, or JavaScript is disabled) what then is the "meaning" or the "intent" of this <select> you have used for navigation? It is saying "please pick a page name" and not...
Android: How can I get the current foreground activity (from a service)?
...dcastReceiver as backup (to raise a Notification if the activity is not on-screen) -- here is a blog post with more on this pattern
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OS X Bash, 'watch' command
... do clear; your_command; sleep 2; done
That will loop forever, clear the screen, run your command, and wait two seconds - the basic watch your_command implementation.
You can take this a step further and create a watch.sh script that can accept your_command and sleep_duration as parameters:
#!/b...
iOS 7 parallax effect in my view controller
I'm developing an app for iOS 7 in Objective-C. I've got a screen in my app with a few buttons and a pretty background image. (It's a simple xib with UIButtons on top of a UIImageView .)
...
【转】用App Inventor 2实现电子围栏功能 - App应用开发 - 清泛IT社区，为创新赋能！
...的百分比Specifies the Map’s vertical height as a percentage of the Screen’s Height.Latitude地图中心点的纬度Gets the latitude of the center of the Map. To change the latitude, use the PanTo method.获取地图中心点的纬度。可以使用Pan平移方法来改变纬度。LocationSe...
How to make an app's background image repeat
...ckground image is small and I want it to be repeated and fill in the whole screen. What should I do?
5 Answers
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