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Getting value of public static final field/property of a class in Java via reflection
...eld("_1st").get(null);
Exception handling is left as an exercise for the reader.
Basically you get the field like any other via reflection, but when you call the get method you pass in a null since there is no instance to act on.
This works for all static fields, regardless of their being final....
What is the use of ObservableCollection in .net?
...ss and then use the event args to react in some way to the changes. WPF already has many operations like refreshing the UI built in so you get them for free when using ObservableCollections
class Handler
{
private ObservableCollection<string> collection;
public Handler()
{
...
How do I import global modules in Node? I get “Error: Cannot find module ”?
... use npm link <global-package> to create a local link to a package already installed globally. (Caveat: The OS must support symlinks.)
However, this doesn't come without its problems.
npm link is a development tool. It's awesome for managing packages on your local development box. But d...
What is the purpose of .PHONY in a Makefile?
...sk. The task will always be executed anyway, and the Makefile will be more readable.
– Bernard
Jul 22 '16 at 3:11
20
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How can I remove a specific item from an array?
... 4, 5, 3]
arr = arr.filter(item => !forDeletion.includes(item))
// !!! Read below about array.includes(...) support !!!
console.log(arr)
// [ 1, 4 ]
IMPORTANT "array.includes(...)" function is not supported in Internet Explorer at all, Chrome before 47 version, Firefox before 43 version, Saf...
Create JSON object dynamically via JavaScript (Without concate strings)
...efulness in properly spacing the code you submit here? It's much harder to read without spacing.
– Kevin Lewis
Dec 26 '15 at 10:35
1
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Android webview slow
...
Have read that a click event is 6 times slower that touch event touchstart. To avoid delays you can use $('#button').on( 'touchstart click', function() { action here; return false; });
– Codebeat
...
Understanding the main method of python [duplicate]
...
meth1
main code
More on main() - http://ibiblio.org/g2swap/byteofpython/read/module-name.html
A module's __name__
Every module has a name and statements in a module can find out the name of its module. This is especially handy in one particular situation - As mentioned previously, when a module...
what is the difference between XSD and WSDL
...an provide the data appropriately.
Refer : ayazroomy-java.blogspot.com to read about basics of webservice.
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Rails migrations: self.up and self.down versus change
...ossible, so you need to define the down method.
As said, I suggest you to read the Rails Migrations Guide.
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