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Sending an Intent to browser to open specific URL [duplicate]
...n of Intent.ACTION_VIEW.
Source: Opening a URL in Android's web browser from within application
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How to quickly check if folder is empty (.NET)?
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The typecast can be removed from the first code example: return !items.GetEnumerator().MoveNext();
– gary
Feb 10 '14 at 3:47
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Why are Objective-C delegates usually given the property assign instead of retain?
...will end up sending messages to the dead delegate.
If you're staying away from ARC for some reason, at least change assign properties that point to objects to unsafe_unretained, which make explicit that this is an unretained but non-zeroing reference to an object.
assign remains appropriate for no...
Sort Dictionary by keys
...dictionary.keys).sorted(<) // ["A", "D", "Z"]
EDIT:
The sorted array from the above code contains keys only, while values have to be retrieved from the original dictionary. However, 'Dictionary' is also a 'CollectionType' of (key, value) pairs and we can use the global 'sorted' function to get...
How to overload the operator++ in two different ways for postfix a++ and prefix ++a?
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@Eric: You have it correct all the way through apart from a sentence in the middle where you mix. Its prefix that is better.
– Martin York
Oct 2 '10 at 19:10
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Why doesn't git recognize that my file has been changed, therefore git add not working
...git reset path/to/file
The git rm --cached means to only remove the file from the index, and reset tells git to reload the git index from the last commit.
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What does the star operator mean, in a function call?
...are not operators. Operators are used in expressions to create new values from existing values (1+2 becomes 3, for example. The * and ** here are part of the syntax of function declarations and calls.
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How to play audio?
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Notice that from april 2018 on Chrome will not play audio files unless the user has at least clicked once in the document. See here.
– Nils Lindemann
Aug 27 '18 at 21:46
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Checking if sys.argv[x] is defined
...ues for each of the values in arg_names. The second line passes the values from the args dictionary, using get to return a default value when the given argument name doesn't have an associated value in the dictionary.
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Does opacity:0 have exactly the same effect as visibility:hidden
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Here is a compilation of verified information from the various answers.
Each of these CSS properties is unique. In addition to rendering an element not visible, they have the following additional effect(s):
Collapses the space that the element would normally occupy
Re...