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What is the difference between getFields and getDeclaredFields in Java reflection
...DeclaredField(String) only looks at the fields from the Class in which you call it.
If you want to search a Field in the Class hierarchy, you can use this simple function:
/**
* Returns the first {@link Field} in the hierarchy for the specified name
*/
public static Field getField(Class<?>...
What is the difference between call and apply?
What is the difference between using call and apply to invoke a function?
24 Answers
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Is it possible to use global variables in Rust?
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@Kamek The initial access has to be unsafe. I typically use a thin wrapper of a macro to mask that.
– jhpratt
Jan 1 '19 at 4:36
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How to detect incoming calls, in an Android device?
I'm trying to make an app like, when a call comes to the phone I want to detect the number. Below is what I tried, but it's not detecting incoming calls.
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Try-finally block prevents StackOverflowError
...where N is the maximum stack depth.
Imagine the maximum depth is 5
foo() calls
foo() calls
foo() calls
foo() calls
foo() which fails to call foo()
finally calls
foo() which fails to call foo()
finally
foo() calls
...
“cannot resolve symbol R” in Android Studio
In every instance in all of my classes where I reference R.id.something , the R is in red and it says "cannot resolve symbol R". Also every time there is R.layout.something it is underlined in red and says "cannot resolve method setContentView(?)". The project always builds fine. It is annoyin...
How is the default submit button on an HTML form determined?
... buttons should be made into "TYPE=BUTTON" and an onClick event added that calls your own submit routine in Javascript. Something like this :-
<SCRIPT Language="JavaScript">
function validform()
{
// do whatever you need to validate the form, and return true or false accordingly
}
function...
AJAX POST and Plus Sign ( + ) — How to Encode?
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urldecode is also way off as PHP will decode it automatically before populating $_POST.
– Quentin
Jul 18 '18 at 14:03
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What is the difference between assert, expect and should in Chai?
...f browser compatibility.
var should = require('chai').should() //actually call the function
, foo = 'bar'
, beverages = { tea: [ 'chai', 'matcha', 'oolong' ] };
foo.should.be.a('string');
foo.should.equal('bar');
foo.should.have.lengthOf(3);
beverages.should.have.property('tea').with.lengthOf(3);
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Difference between 'python setup.py install' and 'pip install'
...e additional advantages that make it much nicer to use.
pip will automatically download all dependencies for a package for you. In contrast, if you use setup.py, you often have to manually search out and download dependencies, which is tedious and can become frustrating.
pip keeps track of various...