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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...
White space showing up on right side of page when background image should extend full length of page
... used as the @media is specifically targeting mobile devices.
@media
only screen and (-webkit-min-device-pixel-ratio: 1.5),
only screen and (-o-min-device-pixel-ratio: 3/2),
only screen and (min--moz-device-pixel-ratio: 1.5),
only screen and (min-device-pixel-ratio: 1.5){
html,
body{
width...
Are there any disadvantages to always using nvarchar(MAX)?
...n the same way. But when you store it to a VARCHAR(MAX) column, behind the screen the data is handled as a TEXT value. So there is some additional processing needed when dealing with a VARCHAR(MAX) value. (only if the size exceeds 8000)
VARCHAR(MAX) or NVARCHAR(MAX) is considered as a 'large value t...
Read entire file in Scala?
...p sounds great. :) I wouldn't expect it, but I didn't expect output to the screen to be named 'print' either. slurp is fantastic! :) Was fantastic? I don't find it. ;(
– user unknown
Apr 24 '11 at 4:00
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Eclipse hangs on loading workbench
...t
http://off-topic.biz/en/eclipse-hangs-at-startup-showing-only-the-splash-screen/
worked for me:
cd .metadata/.plugins
mv org.eclipse.core.resources org.eclipse.core.resources.bak
Start eclipse. (It should show an error message or an empty workspace because no project is found.)
Close all open ed...
Is there a way to view past mysql queries with phpmyadmin?
...
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...
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...
How do I hide the status bar in a Swift iOS app?
I'd like to remove the status bar at the top of the screen.
27 Answers
27
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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 use UIVisualEffectView to Blur Image?
...s trying to figure out why it was only putting a translucent layer over my screen and not blurring - it was all because I was testing on an older device
– Keith
Jan 29 '16 at 14:30
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