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Constructor in an Interface?
...may solve Sebi's immediate problem. But one reason for using interfaces in Java is because you cannot have multiple inheritance. In a case where I cannot make my "thing" an abstract class because I need to inherit from something else, the problem remains. Not that I claim to have a solution.
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Combining node.js and Python
...ll get the same language that runs and interoperates with existing code on Java, JavaScript (node.js included), CLR and Python. And you get superb marshalling protocol by simply using clojure data structures.
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How can I verify a Google authentication API access token?
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you can try in address bar in browsers too, use httppost and response in java also
response will be like
{
"issued_to": "xxxxxxxxxxxxx-xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx.apps.googleusercontent.com",
"audience": "xxxxxxxxxxxxxxx-xxxxxxxxxxxxxxxxxxxxxxxxxx.apps.googleusercontent.com",
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How to get just one file from another branch
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git checkout branch_name file_name
Example:
git checkout master App.java
This will not work if your branch name has a period in it.
git checkout "fix.june" alive.html
error: pathspec 'fix.june' did not match any file(s) known to git.
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How to use @Nullable and @Nonnull annotations more effectively?
...still needed, even though @NonNull is used. Refer to the following link:
Java 8's new Type Annotations
In the above blog, it is recommended that:
Optional Type Annotations are not a substitute for runtime validation
Before Type Annotations, the primary location for describing things
like ...
How do I display an alert dialog on Android?
...a simple one! Create a dialog method, something like this anywhere in your Java class:
public void openDialog() {
final Dialog dialog = new Dialog(context); // Context, this, etc.
dialog.setContentView(R.layout.dialog_demo);
dialog.setTitle(R.string.dialog_title);
dialog.show();
}
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Set Django IntegerField by choices=… name
...n self.value
class Language(ChoiceEnum):
Python = 1
Ruby = 2
Java = 3
PHP = 4
Cpp = 5
# Uh oh
Language.Cpp._name_ = 'C++'
This is pretty much all. You can inherit the ChoiceEnum to create your own definitions and use them in a model definition like:
from django.db import mo...
Accessing Google Spreadsheets with C# using Google Data API
... the contents of a list feed. There is an example of doing it this way (in Java and Javascript only though I'm afraid) at http://gqlx.twyst.co.za.
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Get bitcoin historical data [closed]
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I have written a java example for this case:
Use json.org library to retrieve JSONObjects and JSONArrays. The example below uses blockchain.info's data which can be obtained as JSONObject.
public class main
{
public static ...
Android studio add external project to build.gradle
...the original posters' intentions at How do we reference custom Android and Java Libraries living outside the directory of our Main Android Project?
There I answer my own question. At core my answer uses @Ethan's (the author of the chosen answer in the current thread) gradle coding insight. But my a...