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Why are Python lambdas useful? [closed]
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1016
Are you talking about lambda functions? Like
lambda x: x**2 + 2*x - 5
Those things are actu...
How to detect duplicate values in PHP array?
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10 Answers
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How do I modify fields inside the new PostgreSQL JSON datatype?
...() function can be used:
SELECT jsonb_set('{"a":[null,{"b":[]}]}', '{a,1,b,0}', jsonb '{"c":3}')
-- will yield jsonb '{"a":[null,{"b":[{"c":3}]}]}'
Full parameter list of jsonb_set():
jsonb_set(target jsonb,
path text[],
new_value jsonb,
create_m...
How best to determine if an argument is not sent to the JavaScript function
...aluates to false, which means it might actually be undefined, null, false, 0, '' (or anything else for which Boolean(...) returns false).
So the question is when to use which check, as they all yield slightly different results.
Checking arguments.length exhibits the 'most correct' behaviour, but i...
How to split a string in Haskell?
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Alex
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answered Feb 12 '11 at 15:05
Jonno_FTWJonno_FTW...
Python Pandas Error tokenizing data
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560
you could also try;
data = pd.read_csv('file1.csv', error_bad_lines=False)
Do note that this ...
Does :before not work on img elements?
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answered Apr 30 '11 at 16:21
cwharriscwharris
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Consistency of hashCode() on a Java string
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102
I can see that documentation as far back as Java 1.2.
While it's true that in general you shou...
IN clause and placeholders
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edited Feb 15 '13 at 21:06
answered Sep 14 '11 at 15:36
u...