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How do I make the method return type generic?
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You could define callFriend this way:
public <T extends Animal> T callFriend(String name, Class<T> type) {
return type.cast(friends.get(name));
}
Then call it as such:
jerry.callFriend("spike", Dog.class).bark();
jerry.call...
Google Play on Android 4.0 emulator
How can I install the Google Play .apk onto my Android 4.0 emulator?
8 Answers
8
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Difference between compile and runtime configurations in Gradle
... subset of those needed at runtime. For example, let's say that a program called app uses library foo, and library foo internally uses library bar. Then only foo is needed to compile app, but both foo and bar are needed to run it. This is why by default, everything that you put on Gradle's compile c...
SVN+SSH, not having to do ssh-add every time? (Mac OS)
...e, I edited the ~/.ssh/config file (you may have to create it) to point to all the keys I have. Mine has the following:
IdentityFile ~/.ssh/identity
IdentityFile ~/.ssh/id_rsa
IdentityFile ~/.ssh/id_dsa
IdentityFile ~/.ssh/my_other_identity_here
IdentityFile ~/.ssh/yet_another_identity_here
Acco...
Git fails when pushing commit to github
...o (edited- or the size of a particular file) you are trying to push.
Basically I was able to create new repos and push them to github. But an existing one would not work.
The HTTP error code seems to back me up it is a 'Length Required' error. So maybe it is too large to calc or greated that the ...
How do I auto-hide placeholder text upon focus using css or jquery?
This is done automatically for every browser except Chrome .
26 Answers
26
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Is it a bad practice to use negative margins in Android?
...elativeLayout.
In 2016, @RomainGuy stated that they have never been officially supported and won't be supported by ConstraintLayout.
It is easy to work around this limitation though.
Add an helper view (height 0dp, width constrained to parent) at the bottom of your base view, at the bottom ad...
How do I convert a dictionary to a JSON String in C#?
...izing several different classes, or more complex data structures, or especially if your data contains string values, you would be better off using a reputable JSON library that already knows how to handle things like escape characters and line breaks. Json.NET is a popular option.
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How to get awaitable Thread.Sleep?
...sting starting a new thread are a bad idea - there's no need to do that at all. Part of the point of async/await is to reduce the number of threads your application needs.
You should instead use Task.Delay which doesn't require a new thread, and was designed precisely for this purpose:
// Executio...
How can I create Min stl priority_queue?
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Actually, your right, 5) does work, it's just weird, I've never seen < overloaded like that, it's better to overload > and use greater<people>
– Rockstar5645
Feb 27 '18 at 7:23
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