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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...
What is the syntax rule for having trailing commas in tuple definitions?
...id expression:
a = [
"a",
"b"
"c"
]
Assuming that started as a 2 element list that was later extended it has gone wrong in a perhaps not immediately obvious way. Always include the trailing comma and you avoid that trap.
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public static const in TypeScript
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26
Here's what's this TS snippet compiled into (via TS Playground):
define(["require", "exports"]...
What is the “realm” in basic authentication
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294
From RFC 1945 (HTTP/1.0) and RFC 2617 (HTTP Authentication referenced by HTTP/1.1)
The rea...