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The Ruby %r{ } expression
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– Steven Hirlston
May 18 '15 at 18:42
1
It's almost as if ruby was designed to write as horrible...
How to check a string for specific characters?
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print('Found')
else
print('Not found')
... or
chars = set('0123456789$,')
if any((c in chars) for c in s):
print('Found')
else:
print('Not Found')
[Edit: added the '$' in s answers]
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Any way to force strict mode in node?
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edited Nov 16 '16 at 7:48
answered Jan 7 '13 at 18:14
Ch...
Scala: Nil vs List()
...println (Nil equals List())
true
scala> System.identityHashCode(Nil)
374527572
scala> System.identityHashCode(List())
374527572
Nil is more idiomatic and can be preferred in most cases.
Questions?
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How to make my layout able to scroll down?
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CristianCristian
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Breaking a list into multiple columns in Latex
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4 Answers
4
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How to check if a table exists in a given schema
Postgres 8.4 and greater databases contain common tables in public schema and company specific tables in company schema.
company schema names always start with 'company' and end with the company number.
So there may be schemas like:
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How to convert comma-delimited string to list in Python?
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4
Careful though, splitting an empty string does not return what one might have expected: "".split(",") returns [""] (a list with one element,...
How to do a batch insert in MySQL
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304
From the MySQL manual
INSERT statements that use VALUES
syntax can insert multiple rows. T...
How to add 10 days to current time in Rails
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edited Mar 16 '16 at 17:49
the Tin Man
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an...