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Build vs new in Rails 3
..._at: nil, updated_at: nil>]
r:007 > some_firm.save
#=> true
r:008 > some_firm.clients # Saving firm also saves the attached client
#=> [#<Client id: 1, firm_id: 1, created_at: "2011-02-11 00:18:47",
updated_at: "2011-02-11 00:18:47">]
If you're creating an object ...
Rails has_and_belongs_to_many migration
... DexDex
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What is & used for
...ked over this post someone had made: http://www.webmasterworld.com/forum21/8851.htm
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How to get CSS to select ID that begins with a string (not in Javascript)?
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answered Jul 15 '12 at 23:58
Niet the Dark AbsolNiet the Dark Absol
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ReactJS render string with non-breaking spaces
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answered Jun 26 '14 at 18:21
Sophie AlpertSophie Alpert
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How to set space between listView Items in Android
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836
@Asahi pretty much hit the nail on the head, but I just wanted to add a bit of XML for anyone ...
LINQ Join with Multiple Conditions in On Clause
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AducciAducci
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conditional unique constraint
...f Status = 1 and Count > 0.
http://msdn.microsoft.com/en-us/library/ms188258.aspx
CREATE TABLE CheckConstraint
(
Id TINYINT,
Name VARCHAR(50),
RecordStatus TINYINT
)
GO
CREATE FUNCTION CheckActiveCount(
@Id INT
) RETURNS INT AS BEGIN
DECLARE @ret INT;
SELECT @ret = COUNT(*) FROM C...
Disable double-tap “zoom” option in browser on touch devices
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108
Note (as of 2020-08-04): this solution does not appear to work in iOS Safari v12+. I will update...
Pandas DataFrame column to list [duplicate]
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import pandas as pd
df = pd.DataFrame({'a': [1, 3, 5, 7, 4, 5, 6, 4, 7, 8, 9],
'b': [3, 5, 6, 2, 4, 6, 7, 8, 7, 8, 9]})
print(df['a'].to_list())
Output:
[1, 3, 5, 7, 4, 5, 6, 4, 7, 8, 9]
To drop duplicates you can do one of the following:
>>> df['a'].drop_duplic...