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What's the simplest way to subtract a month from a date in Python?
...// 12
if not m: m = 12
d = min(date.day, [31,
29 if y%4==0 and (not y%100==0 or y%400 == 0) else 28,
31,30,31,30,31,31,30,31,30,31][m-1])
return date.replace(day=d,month=m, year=y)
>>> for m in range(-12, 12):
print(monthdelta(datetime.now(), m))
2009-...
Input and output numpy arrays to h5py
...d A . How do I save it to an h5py file?
Also, how do I read the same file and put it as a numpy array in a different code, as I need to do manipulations with the array?
...
Sleep in JavaScript - delay between actions
...pdates, keeping some internal state, or whatever).
– Anders Sandvig
Feb 10 '10 at 8:28
5
This doe...
How to round a number to significant figures in Python
... You should use log10(abs(x)), otherwise negative numbers will fail (And treat x == 0 separately of course)
– Tobias Kienzler
Jul 30 '13 at 8:06
2
...
Find the nth occurrence of substring in a string
This seems like it should be pretty trivial, but I am new at Python and want to do it the most Pythonic way.
21 Answers
...
Is there documentation for the Rails column types?
...s; use these for math that needs to be accurate
See this post for examples and an in-depth explanation on the differences between floats and decimals.
Boolean:
Use to store true/false attributes (i.e. things that only have two states, like on/off)
Binary:
Use to store images, movies, and other...
What is the difference between `after_create` and `after_save` and when to use which?
Are after_create and after_save the same as per functionality?
3 Answers
3
...
Javascript : natural sort of alphanumerical strings
I'm looking for the easiest way to sort an array that consists of numbers and text, and a combination of these.
7 Answers
...
Difference between and text
... you more layout freedom over the design of the button. In all its intents and purposes, it seemed excellent at first, but various browser quirks make it hard to use at times.
In your example, IE6 will send text to the server, while most other browsers will send nothing. To make it cross-browser c...
What's the difference between text/xml vs application/xml for webservice response
This is more of a general question about the difference between text/xml and application/xml .
I am fairly new to writing webservices (REST - Jersey). I have been producing application/xml since it is what shows up in most tutorials / code examples that I have been using to learn, but I recentl...