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Objective-C ARC: strong vs retain and weak vs assign

... In fact, under ARC it is a compilation error to use assign for an object. You have to use either weak or unsafe_unretained (which is unsafe, obviously) if you don't want to retain the property. – cobbal Jan 19 '12...
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How to clear an ImageView in Android?

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Use “ENTER” key on softkeyboard instead of clicking button

...is method isn't guarranteed to work as of Jellybean, see developer.android.com/reference/android/view/KeyEvent.html – Constantin Aug 6 '13 at 16:44 ...
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ConcurrentHashMap vs Synchronized HashMap

...rticle Java 7: HashMap vs ConcurrentHashMap is a very good read. Highly recommended. share | improve this answer | follow | ...
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How to count duplicate value in an array in javascript

... if (cnt > 0) { document.write(current + ' comes --> ' + cnt + ' times<br>'); } current = array_elements[i]; cnt = 1; } else { cnt++; } } if (cnt > 0) { document.write...
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rejected master -> master (non-fast-forward)

... Auto-merging README.md Automatic merge failed; fix conflicts and then commit the result. – Asantoya17 Jul 27 '12 at 22:30 1 ...
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PostgreSQL error 'Could not connect to server: No such file or directory'

...ocal/var/postgres/ remove this and start server. Check - https://github.com/mperham/lunchy is a great wrapper for launchctl. share | improve this answer | follow ...
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How do you tell the Visual Studio project type from an existing Visual Studio project

... Here is a list you can use to compare the Guid's to get project types: codeproject.com/Reference/720512/… – Nathan F. Jul 26 '18 at 16:31 ...
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How do I sort a list of dictionaries by a value of the dictionary?

...mgetter newlist = sorted(list_to_be_sorted, key=itemgetter('name')) For completeness (as pointed out in comments by fitzgeraldsteele), add reverse=True to sort descending newlist = sorted(l, key=itemgetter('name'), reverse=True) ...
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Split string into array of character strings

... called a negative lookahead. Checkout the documentation here: docs.oracle.com/javase/6/docs/api/java/util/regex/… – Erwin May 28 '14 at 8:51 4 ...