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Why do I want to avoid non-default constructors in fragments?

...ragment access data: Type value = getArguments().getType("key"); That's all. share | improve this answer | follow | ...
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Cannot create an array of LinkedLists in Java…?

...nto it. ArrayList will index faster, but Fredrik's solution is better overall. – Steve Zobell Mar 9 '17 at 20:08 add a comment  |  ...
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What does the git index contain EXACTLY?

...ns an article on what an index includes: The index is a binary file (generally kept in .git/index) containing a sorted list of path names, each with permissions and the SHA1 of a blob object; git ls-files can show you the contents of the index: $ git ls-files --stage 100644 63c918c667fa005ff12ad89...
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How do I show/hide a UIBarButtonItem?

... Save your button in a strong outlet (let's call it myButton) and do this to add/remove it: // Get the reference to the current toolbar buttons NSMutableArray *toolbarButtons = [self.toolbarItems mutableCopy]; // This is how you remove the button from the toolbar and ...
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Bash foreach loop

... input runs the cat program with the input lines as argument(s). If you really want to do this in a loop, you can: for fn in `cat filenames.txt`; do echo "the next file is $fn" cat $fn done share | ...
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What version of javac built my jar?

...ersion the class has been compiled FOR, not what version compiled it. Java allows you to compile code so that they're compatible with earlier versions of Java. However, this only applies to byte code and format. It will happily compile code that references JDK 6 libraries into a JDK 5 format, for ex...
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adding multiple entries to a HashMap at once in one statement

... 2016) as follow: Map<String, Integer> cities = Map.of("Brussels", 1_139000, "Cardiff", 341_000); The var-args case for Map is a little bit harder, you need to have both keys and values, but in Java, methods can’t have two var-args parameters. So the general case is handled by taking a va...
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Check that Field Exists with MongoDB

So I'm attempting to find all records who have a field set and isn't null. 4 Answers 4...
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What does the red exclamation point icon in Eclipse mean?

...Build path" Then select "Configure Build Path" Click on "Libraries" Remove all the libraries which were referring to old path Then, the exclamation symbol on the "Project name" was removed. share | ...
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Is there some way to PUSH data from web server to browser?

... Yes, what you're looking for is COMET http://en.wikipedia.org/wiki/Comet_(programming). Other good Google terms to search for are AJAX-push and reverse-ajax. share | improve this answer ...