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How do I implement a callback in PHP?
...programming since PHP 4. The flavors are:
$cb1 = 'someGlobalFunction';
$cb2 = ['ClassName', 'someStaticMethod'];
$cb3 = [$object, 'somePublicMethod'];
// this syntax is callable since PHP 5.2.3 but a string containing it
// cannot be called directly
$cb2 = 'ClassName::someStaticMethod';
$cb2(); //...
How can I use interface as a C# generic type constraint?
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answered Jul 8 '09 at 7:22
Marc Gravell♦Marc Gravell
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How is Perl's @INC constructed? (aka What are all the ways of affecting where Perl modules are searc
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255
We will look at how the contents of this array are constructed and can be manipulated to affec...
Difference Between ViewData and TempData?
... Dragan PanjkovDragan Panjkov
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...
What is aria-label and how should I use it?
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answered Feb 26 '14 at 11:50
Olly HodgsonOlly Hodgson
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“is” operator behaves unexpectedly with integers
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Take a look at this:
>>> a = 256
>>> b = 256
>>> id(a)
9987148
>>> id(b)
9987148
>>> a = 257
>>> b = 257
>>> id(a)
11662816
>>> id(b)
11662828
Here's what I found in the Python 2 documentat...
Rebasing remote branches in Git
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edited Jul 11 '16 at 20:26
Toby Allen
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a...
Python multiprocessing PicklingError: Can't pickle
... error almost identical to the one you posted:
Exception in thread Thread-2:
Traceback (most recent call last):
File "/usr/lib/python2.7/threading.py", line 552, in __bootstrap_inner
self.run()
File "/usr/lib/python2.7/threading.py", line 505, in run
self.__target(*self.__args, **self._...
How to commit no change and new message?
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rogerdpack
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answered Sep 18 '12 at 3:38
Jeff BowmanJef...
Difference between FetchType LAZY and EAGER in Java Persistence API?
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edited Sep 3 '19 at 10:28
answered Jun 7 '10 at 15:53
Be...