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How can I get the current screen orientation?

...lues ORIENTATION_PORTRAIT and ORIENTATION_LANDSCAPE. Is there a way to get all the four values from ActivityInfo? (That is LANDSCAPE_REVERSE and PORTRAIT_REVERSE as well) – HRJ May 4 '11 at 9:56 ...
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Find an item in List by LINQ?

Here I have a simple example to find an item in a list of strings. Normally I use for loop or anonymous delegate to do it like this: ...
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ViewPager and fragments — what's the right way to store fragment's state?

...agment will be placed. FragmentPagerAdapter.getItem(int position) is only called when a fragment for that position does not exist. After rotating, Android will notice that it already created/saved a fragment for this particular position and so it simply tries to reconnect with it with FragmentManage...
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GitHub README.md center image

...(as rightfully pointed out by @waldyr.ar), and in the GitHub case you may fallback to something like <div style="text-align:center"><img src="..." /></div>. Beware that there's no guarantee the image will be centered if your repository is forked in a different hosting environment (...
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Extract substring in Bash

...o-based) and "5" is the length. Also, +1 for @gontard 's link that lays it all out! – Doktor J Sep 12 '14 at 17:32 ...
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How do I preview emails in Rails?

...iables the template expects. This could be done with fixtures, but I typically prefer to just grab some pseudo-random real data. Remember - this is NOT a unit test - this is purely a development aid. It doesn't need to produce the same result every single time - in fact - it's probably better if ...
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The model used to open the store is incompatible with the one used to create the store

...el select your new version of data model for current data model THAT'S NOT ALL ) You should perform so called "light migration". Go to your AppDelegate and find where the persistentStoreCoordinator is being created Find this line if (![_persistentStoreCoordinator addPersistentStoreWithType:NSSQLiteS...
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Convert hyphens to camel case (camelCase)

...-i in marker-image and capture only the i. This is then uppercased in the callback function and replaced. share | improve this answer | follow | ...
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How to validate an e-mail address in swift?

...s quite funny that ............ as well as (1) the regex being utterly, totally incorrect (2) the regex (even within the context of what it's trying to do) has major errors (3) the Swift is wrong (4) even setting that aside, the style is totally wrong (5) not that it matters given all the rest but i...
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Weak and strong property setter attributes in Objective-C

...g' part (casting from NS to CF) is a little tricky. You still have to manually manage CFRelease() and CFRetain() for CF objects. When you convert them back to NS objects you have to tell the compiler about the retain count so it knows what you have done. Its all here. ...