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Is it valid to replace http:// with // in a ?
...elative URL without a scheme (http: or https:) is valid, per RFC 3986: "Uniform Resource Identifier (URI): Generic Syntax", Section 4.2. If a client chokes on it, then it's the client's fault because they're not complying with the URI syntax specified in the RFC.
Your example is valid and should w...
What is the best way to compute trending topics or tags?
...any sites offer some statistics like "The hottest topics in the last 24h". For example, Topix.com shows this in its section "News Trends". There, you can see the topics which have the fastest growing number of mentions.
...
How to rename items in values() in Django?
...e same like in this ticket at djangoproject.com , but with some additonal formatting. From this query
5 Answers
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How to mock an import
...
You can assign to sys.modules['B'] before importing A to get what you want:
test.py:
import sys
sys.modules['B'] = __import__('mock_B')
import A
print(A.B.__name__)
A.py:
import B
Note B.py does not exist, but when running test.py no error is returned an...
Odd behavior when Java converts int to byte?
...t afterwards. The resulting number is the positive version of that number
For example: 11111111 goes to 00000001 = -1. This is what Java will display as the value.
What you probably want to do is know the unsigned value of the byte.
You can accomplish this with a bitmask that deletes everything b...
What optimizations can GHC be expected to perform reliably?
GHC has a lot of optimizations that it can perform, but I don't know what they all are, nor how likely they are to be performed and under what circumstances.
...
What does = +_ mean in JavaScript
...alse, and null.
Integers in both decimal and hexadecimal ("0x"-prefixed) formats are
supported. Negative numbers are supported (though not for hex). If it
cannot parse a particular value, it will evaluate to NaN.
It is also noted that
unary plus is the fastest and preferred way of conver...
How to implement an ordered, default dict? [duplicate]
...
The following (using a modified version of this recipe) works for me:
from collections import OrderedDict, Callable
class DefaultOrderedDict(OrderedDict):
# Source: http://stackoverflow.com/a/6190500/562769
def __init__(self, default_factory=None, *a, **kw):
if (defaul...
Bulk insert with SQLAlchemy ORM
...hemy docs
With these operations, you can now do bulk inserts or updates!
For instance, you can do:
s = Session()
objects = [
User(name="u1"),
User(name="u2"),
User(name="u3")
]
s.bulk_save_objects(objects)
s.commit()
Here, a bulk insert will be made.
...
Reset C int array to zero : the fastest way?
...ng int, what is the fastest way to reset all its content to zero (not only for initialization but to reset the content several times in my program)? Maybe with memset?
...