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Calling parent class __init__ with multiple inheritance, what's the right way?
...ing super() leads to greater flexibility for subclasses.
In the direct call approach, C.__init__ can call both A.__init__ and B.__init__.
When using super(), the classes need to be designed for cooperative multiple inheritance where C calls super, which invokes A's code which will also call supe...
How to make a chain of function decorators?
...her object
scream = shout
# Notice we don't use parentheses: we are not calling the function,
# we are putting the function "shout" into the variable "scream".
# It means you can then call "shout" from "scream":
print(scream())
# outputs : 'Yes!'
# More than that, it means you can remove the old...
What is thread contention?
...involved.)
– David Schwartz
Aug 15 '11 at 10:31
In the case of a Global Interpreter Lock (GIL) such as in CPython, whe...
console.log javascript [Function]
...
If it's a user defined function you can use:
console.log(callback.toString());
Otherwise you'll just get something like [native code] since built in functions are not written in JavaScript.
Example:
function x(){}
// Prints "function x(){}"
(function(callback){ console.log(call...
Force drop mysql bypassing foreign key constraint
I'm trying to delete all tables from a database except one, and I end up having the following error:
6 Answers
...
What's with 181783497276652981 and 8682522807148012 in Random (Java 7)?
...d have worked as well as these two numbers?
Not every number would be equally "good". So, no.
Seeding Strategies
There are differences in the default-seeding schema between different versions and implementation of the JRE.
public Random() { this(System.currentTimeMillis()); }
public Ra...
How to include() all PHP files from a directory?
...t because this question was about including everything in a directory - usually this would be in different directories: eg DataClass defined in BE directory and BL.class.php defined in BL directory.
– Carmageddon
May 13 '13 at 15:52
...
Javascript when to use prototypes
...ods, over and over.
Instead, those methods are defined on a prototype and all jQuery objects "inherit" that prototype so as to gain all those methods at very little runtime cost.
One vitally important part of how jQuery gets it right is that this is hidden from the programmer. It's treated purely ...
Is there a way to get rid of accents and convert a whole string to regular letters?
...f accents and making those letters regular apart from using String.replaceAll() method and replacing letters one by one?
Example:
...
Entity Framework and Connection Pooling
...tion Pooling (ADO.NET))
Never ever use global context. ObjectContext internally implements several patterns including Identity Map and Unit of Work. Impact of using global context is different per application type.
For web applications use single context per request. For web services use single con...