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Explaining difference between automaticallyAdjustsScrollViewInsets, extendedLayoutIncludesOpaqueBars
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Starting in iOS7, the view controllers use full-screen layout by default. At the same time, you have more control over how it lays out its views, and that's done with those properties:
edgesForExtendedLayout
Basically, with this property you set which sides of your view ...
UICollectionView reloadData not functioning properly in iOS 7
...ource never changed and I just wanted to reload the visible content on the screen..
I managed to get around this by calling:
[self.collectionView reloadItemsAtIndexPaths:[self.collectionView indexPathsForVisibleItems]];
then:
[self.collectionView reloadData];
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Detect Retina Display
...OS devices, you need to check if the device is running iOS4+ and if the [UIScreen mainScreen].scale property is equal to 2.0. You CANNOT assume a device is running iOS4+ if the scale property exists, as the iPad 3.2 also contains this property.
On an iPad running iOS3.2, scale will return 1.0 in 1...
Does “display:none” prevent an image from loading?
... or no. Check out the results of a test I recently did:
In Chrome: All 8 screenshot-* images loaded (img 1)
In Firefox: Only the 1 screenshot-* image loaded that is currently being displayed (img 2)
So after digging further I found this, which explains how each browser handles loading img assets...
Where can I find my .emacs file for Emacs running on Windows?
...nd you can read the file path in the minibuffer at the bottom of the Emacs screen
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Draw in Canvas by finger, Android
...;
circlePath.reset();
// commit the path to our offscreen
mCanvas.drawPath(mPath, mPaint);
// kill this so we don't double draw
mPath.reset();
}
@Override
public boolean onTouchEvent(MotionEvent event) {
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How to get the input from the Tkinter Text Widget?
...l happen so fast
# that you will not even see the window appearing on your screen.
# Keeping the mainloop running also lets you keep the
# program running until you press the close buton
root.mainloop()
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Is there a way to view past mysql queries with phpmyadmin?
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There is a Console tab at the bottom of the SQL (query) screen. By default it is not expanded, but once clicked on it should expose tabs for Options, History and Clear. Click on history.
The Query history length is set from within Page Related Settings which found by clicking on...
In a bootstrap responsive page how to center a div
...It's a simple example of a horizontally and vertically div centered in all screen sizes.
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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...