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Create a custom event in Java
...ic void sayHello() {
System.out.println("Hello!!");
// Notify everybody that may be interested.
for (HelloListener hl : listeners)
hl.someoneSaidHello();
}
}
// Someone interested in "Hello" events
class Responder implements HelloListener {
@Override
...
target=“_blank” vs. target=“_new”
What's the difference between <a target="_new"> and <a target="_blank"> and which should I use if I just want to open a link in a new tab/window?
...
Why does my JavaScript code receive a “No 'Access-Control-Allow-Origin' header is present on the req
...not seeing the same problem when using postman, this means that you are unknowingly not sending the same request via postman.
– Ray Nicholus
Nov 17 '13 at 20:01
...
Fastest Way to Serve a File Using PHP
...
Jords: I didn't know that apache also supported this, i'll add this to my answer when i have time. The only problem with it is that i isn't unified (X-Accel-Redirect nginx for example) so a second solution is needed if the server either don't...
Change color of UISwitch in “off” state
...
The Best way to manage background color & size of UISwitch
For now it's Swift 2.3 code
import Foundation
import UIKit
@IBDesignable
class UICustomSwitch : UISwitch {
@IBInspectable var OnColor : UIColor! = UIColor.blueColor()
@IBInspectable var OffColor : UIColor! = UIColor.gr...
Tools to selectively Copy HTML+CSS+JS From A Specific Element of DOM [closed]
...html & css). I can't believe this actually worked. And just so people know, I didn't see this feature in edge just explorer.
– Watson
Nov 7 '16 at 18:50
...
Lazy Method for Reading Big File in Python?
...1k."""
while True:
data = file_object.read(chunk_size)
if not data:
break
yield data
with open('really_big_file.dat') as f:
for piece in read_in_chunks(f):
process_data(piece)
Another option would be to use iter and a helper function:
f = op...
What is the closest thing Windows has to fork()?
...
I certainly don't know the details on this because I've never done it it, but the native NT API has a capability to fork a process (the POSIX subsystem on Windows needs this capability - I'm not sure if the POSIX subsystem is even supported any...
How do you generate dynamic (parameterized) unit tests in python?
...(a, b):
def test(self):
self.assertEqual(a,b)
return test
if __name__ == '__main__':
for t in l:
test_name = 'test_%s' % t[0]
test = test_generator(t[1], t[2])
setattr(TestSequense, test_name, test)
unittest.main()
...
How do I filter ForeignKey choices in a Django ModelForm?
...et to the field's queryset attribute. Depends on how your form is built. If you build an explicit form, you'll have fields named directly.
form.rate.queryset = Rate.objects.filter(company_id=the_company.id)
If you take the default ModelForm object, form.fields["rate"].queryset = ...
This is d...