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Is List a subclass of List? Why are Java generics not implicitly polymorphic?
...onsider what you can do with a List<Animal> - 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 impleme...
Alternate FizzBuzz Questions [closed]
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I've seen a small list of relatively simple programming problems used to weed out candidates, just like FizzBuzz. Here are some of the problems I've seen, in order of increasing difficulty:
Reverse a string
Reverse a sentence ("bob likes dogs" -> "dogs likes bob")
Find the minimum value in...
How to add external library in IntelliJ IDEA?
I am trying to add external library (places it in the /libs directory) to my project. When I try to use the methods from that library, I see that they are in red color which means that the library is not recognized. When I click Ctrl+B, I get a message "Cannot find declaration to go to".
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How to filter Android logcat by application? [duplicate]
...ed this because when I attach a device, I can't find the output I want due to spam from other processes.
27 Answers
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How do you change the server header returned by nginx?
There's an option to hide the version so it will display only nginx, but is there a way to hide that too so it will not show anything or change the header?
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Is it possible to change a UIButtons background color?
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This can be done programmatically by making a replica:
loginButton = [UIButton buttonWithType:UIButtonTypeCustom];
[loginButton setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
loginButton.backgroundColor = [UIColor whiteColor];
loginButton.layer.borderColor = [UIColor ...
What's the difference between Require.js and simply creating a element in the DOM? [closed]
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Here is the nice article on ajaxian.com as to why use it:
RequireJS: Asynchronous JavaScript loading
some sort of #include/import/require
ability to load nested dependencies
ease of use for developer but then backed by an optimization tool that helps deployment
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git - merge conflict when local is deleted but file exists in remote
I am very new to git and wondered how I should go about a merge where in the local repo I have deleted several files on the master branch but these files exist within the remote master branch.
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'Must Override a Superclass Method' Errors after importing a project into Eclipse
Anytime I have to re-import my projects into Eclipse (if I reinstalled Eclipse, or changed the location of the projects), almost all of my overridden methods are not formatted correctly, causing the error:
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Difference between Bridge pattern and Adapter pattern
...d party, or in-house, but out of your control, or otherwise not changeable to quite meet the interface you need it to. For instance, we have a SuperWeaponsArray which can control a fine array of doomsday devices.
public class SuperWeaponsArray {
/*...*/
public void destroyWorld() {
for ...