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How do I save and restore multiple variables in python?
...in a single list, or tuple, for instance:
import pickle
# obj0, obj1, obj2 are created here...
# Saving the objects:
with open('objs.pkl', 'w') as f: # Python 3: open(..., 'wb')
pickle.dump([obj0, obj1, obj2], f)
# Getting back the objects:
with open('objs.pkl') as f: # Python 3: open(...,...
Two sets of parentheses after function call
...as looking how filters works in Angularjs and I saw that we need to send 2 sets of parentheses.
3 Answers
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momentJS date string add 5 days
i have a start date string "20.03.2014" and i want to add 5 days to this with moment.js but i don't get the new date "25.03.2014" in the alert window.
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Citing the author of a blockquote using Markdown syntax
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edited Sep 4 '15 at 12:35
answered Jan 4 '10 at 20:51
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How Big can a Python List Get?
In Python, how big can a list get? I need a list of about 12000 elements. Will I still be able to run list methods such as sorting, etc?
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ORDER BY the IN value list
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You can do it quite easily with (introduced in PostgreSQL 8.2) VALUES (), ().
Syntax will be like this:
select c.*
from comments c
join (
values
(1,1),
(3,2),
(2,3),
(4,4)
) as x (id, ordering) on c.id = x.id
order by x.ordering
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How to replace NaN values by Zeroes in a column of a Pandas Dataframe?
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12 Answers
12
Active
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Maintain/Save/Restore scroll position when returning to a ListView
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20 Answers
20
Active
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What data type to use for money in Java? [closed]
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Java has Currency class that represents the ISO 4217 currency codes.
BigDecimal is the best type for representing currency decimal values.
Joda Money has provided a library to represent money.
sha...
What is dynamic programming? [closed]
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212
Dynamic programming is when you use past knowledge to make solving a future problem easier.
A...