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List changes unexpectedly after assignment. How do I clone or copy it to prevent this?
...
(Here's the script if anyone's interested or wants to raise any issues:)
from copy import deepcopy
class old_class:
def __init__(self):
self.blah = 'blah'
class new_class(object):
def __init__(self):
self.blah = 'blah'
dignore = {str: None, unicode: None, int: None, type...
std::wstring VS std::string
...ind of esoteric language glyphs (Klingon? Elvish?), while UTF-8 will spend from 1 to 4 bytes.
See http://en.wikipedia.org/wiki/UTF-8#Compared_to_UTF-16 for more info.
Conclusion
When I should use std::wstring over std::string?
On Linux? Almost never (§).
On Windows? Almost always (§).
On cros...
Mixin vs inheritance
...etween a mixin and inheritance?
A mix-in is a base class you can inherit from to provide additional functionality. Pseudocode example:
class Mixin:
def complex_method(self):
return complex_functionality(self)
The name "mix-in" indicates it is intended to be mixed in with other code....
Converting pfx to pem using openssl
How to generate a .pem CA certificate and client certificate from a PFX file using OpenSSL.
3 Answers
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How can I get my webapp's base URL in ASP.NET MVC?
...et that URL in a reliable way that doesn't involve getting the current URL from the request and chopping it up in some fragile way that breaks if I re-route my action.
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Django admin: how to sort by one of the custom list_display fields that has no database field
...t I'd like to point that you can do the same thing directly in the admin:
from django.db import models
class CustomerAdmin(admin.ModelAdmin):
list_display = ('number_of_orders',)
def get_queryset(self, request):
# def queryset(self, request): # For Django <1.6
qs = super(Cu...
Difference between private, public, and protected inheritance
...d inheritance. Let's consider a class Base and a class Child that inherits from Base.
If the inheritance is public, everything that is aware of Base and Child is also aware that Child inherits from Base.
If the inheritance is protected, only Child, and its children, are aware that they inherit fro...
Web API Put Request generates an Http 405 Method Not Allowed error
...hod on my Web API - the third line in the method (I am calling the Web API from an ASP.NET MVC front end):
9 Answers
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Django Admin - Disable the 'Add' action for a specific model
... need other things, and the 'add model' in the django admin throughs a 500 from a custom queryset.
5 Answers
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What does a tilde do when it precedes an expression?
...f other then-contemporary systems programming languages. It probably stems from the way the hardware works; lots of CPUs set a zero bit after an operation, and have a corresponding branch instruction to test it.
– Pointy
Sep 6 '12 at 12:32
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