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Detect Retina Display
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In order to detect the Retina display reliably on all iOS 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...
Prevent Android activity dialog from closing on outside touch
...prevent the closing. But what is strange though, is that the default behavior of your activity dialog should be not to close itself when you touch outside.
(PS: the code uses WindowManager.LayoutParams)
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Django vs. Model View Controller [closed]
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According to the Django Book, Django follows the MVC pattern closely enough to be called an MVC framework.
Django has been referred to as an MTV framework because the controller is handled by the framework itself and most of the...
Java 8 NullPointerException in Collectors.toMap
The Java 8 Collectors.toMap throws a NullPointerException if one of the values is 'null'. I don't understand this behaviour, maps can contain null pointers as value without any problems. Is there a good reason why values cannot be null for Collectors.toMap ?
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CSS for grabbing cursors (drag & drop)
...to grab the background to move the whole screen around. So I want the cursor to change when they're hovering over the background. The -moz-grab and -moz-grabbing CSS cursors are ideal for this. Of course, they only work in Firefox... are there equivalent cursors for other browsers? Do I hav...
Split string with dot as delimiter
...ally need these trailing empty strings it also removes them automatically for us. So it creates another array without these trailing empty strings and returns it.
You also need to know that dot . is special character in regex. It represents any character (except line separators but this can be cha...
Why does 'git commit' not save my changes?
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As the message says:
no changes added to commit (use "git add" and/or "git commit -a")
Git has a "staging area" where files need to be added before being committed, you can read an explanation of it here.
For your specific example, you can use:
git commit -am "save arezzo files"
(note...
Using Caps Lock as Esc in Mac OS X
How do I make Caps Lock work like Esc in Mac OS X?
14 Answers
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Why is the minimalist, example Haskell quicksort not a “true” quicksort?
Haskell's website introduces a very attractive 5-line quicksort function , as seen below.
11 Answers
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How to remove Firefox's dotted outline on BUTTONS as well as links?
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button::-moz-focus-inner {
border: 0;
}
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