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How do I declare and initialize an array in Java?
... in the enclosing scope (function or whatever). After returning it to the caller, it is no longer valid. Using the new keyword you allocate the new object from the heap and it is valid outside the defining scope.
– teukkam
Oct 18 '16 at 9:55
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UIRefreshControl without UITableViewController
...ng a UIRefreshControl instance as a subview to my UITableView. And it magically just works!
UIRefreshControl *refreshControl = [[UIRefreshControl alloc] init];
[refreshControl addTarget:self action:@selector(handleRefresh:) forControlEvents:UIControlEventValueChanged];
[self.myTableView addSubview:...
What do ellipsis […] mean in a list?
... an infinite loop of references, so it decided to cut it short, it's not really infinite. And no, it's not really useful besides a thought experiment :)
– Óscar López
Jun 18 '13 at 3:44
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delegate keyword vs. lambda notation
... If you specify an anonymous method without specifying a parameter list at all it is compatible with any delegate type returning void and without any out parameters. Armed with this knowledge, we should be able to construct two overloads to make the expressions completely unambiguous but very differ...
Best way to store a key=>value array in JavaScript?
...lue for a Map.
You can get the size of a Map easily while you have to manually keep track of size for an Object.
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@Html.HiddenFor does not work on Lists in ASP.NET MVC
...st with jQuery which makes an array unsuitable for expansion later on. Normally you would use
13 Answers
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Java executors: how to be notified, without blocking, when a task completes?
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Define a callback interface to receive whatever parameters you want to pass along in the completion notification. Then invoke it at the end of the task.
You could even write a general wrapper for Runnable tasks, and submit these to E...
How to do a Jquery Callback after form submit?
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And if the <form> is submited usually ? (I mean not with Ajax) What can I put in the first argument of .bind() ? EDIT : well, I guess click. Nvm, sorry. :p
– 4wk_
Feb 4 '13 at 13:32
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Format floats with standard json module
...loat class in Tom Wuttke's answer works, but only if %g encoding works globally for your application. The %.15g is a bit magic, it works because float precision is 17 significant digits and %g does not print trailing zeroes.
I spent some time trying to make a PrettyFloat that allowed customization ...
Textarea onchange detection
...that you should be using keyup, not keydown for this: keydown seems to be called before the change is actually made to the textarea, so you'll be using the wrong length (and you don't really know how off you are: could be typing or deleting, and could have text selected meaning it's more than just +...