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How to convert enum value to int?
...stants will break if new constants are added, and two the API docs specifically recommend against it.
– jordanpg
Oct 28 '14 at 3:26
8
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System.currentTimeMillis vs System.nanoTime
...e in movement is directly proportional to the elapsed time since the last call and I want to be as precise as possible.
10 ...
Is List a subclass of List? Why are Java generics not implicitly polymorphic?
...l> - you can add any animal to it... including a cat. Now, can you logically add a cat to a litter of puppies? Absolutely not.
// Illegal code - because otherwise life would be Bad
List<Dog> dogs = new ArrayList<Dog>(); // ArrayList implements List
List<Animal> animals = dogs; ...
What is the difference between -viewWillAppear: and -viewDidAppear:?
...gether with the view, right away, I put it in the ViewDidLoad method. Basically this method is called whenever the view was loaded into memory. So for example, if my view is a form with 3 labels, I would add the labels here; the view will never exist without those forms.
2) ViewWillAppear: I use Vi...
Push local Git repo to new remote including all branches and tags
...rs).
My local repo has a few branches and tags, and I would like to keep all of my history.
14 Answers
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Running multiple AsyncTasks at the same time — not possible?
...ool pattern for running the stuff from doInBackground(). The issue is initially (in early Android OS versions) the pool size was just 1, meaning no parallel computations for a bunch of AsyncTasks. But later they fixed that and now the size is 5, so at most 5 AsyncTasks can run simultaneously. Unfort...
Add .gitignore to gitignore
... purpose is to prevent everyone who collaborates on a project from accidentally commiting some common files in a project, such as generated cache files. Therefore you should not ignore .gitignore, since it's supposed to be included in the repository.
If you want to ignore files in just one reposito...
How can I be notified when an element is added to the page?
...t being inserted here,
// or a particular node being modified
// call the function again after 100 milliseconds
setTimeout( checkDOMChange, 100 );
}
Once this function is called, it will run every 100 milliseconds, which is 1/10 (one tenth) of a second. Unless you need real-time elemen...
Is a Java string really immutable?
We all know that String is immutable in Java, but check the following code:
15 Answers
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Spring MVC: How to perform validation?
...out that: I saw it validates a class. Does the class have to be filled manually with the values from the user input, and then passed to the validator?
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