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What does flushing the buffer mean?
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edited Feb 14 '16 at 3:57
Chin
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How to assign an exec result to a sql variable?
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answered Feb 11 '10 at 16:41
KM.KM.
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Rails where condition using NOT NIL
...h Rails 3:
Foo.includes(:bar).where("bars.id IS NOT NULL")
ActiveRecord 4.0 and above adds where.not so you can do this:
Foo.includes(:bar).where.not('bars.id' => nil)
Foo.includes(:bar).where.not(bars: { id: nil })
When working with scopes between tables, I prefer to leverage merge so that...
Using app.configure in express
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124
It is optional and remain for legacy reason, according to the doc.
In your example, the two piec...
Enable zooming/pinch on UIWebView
...effect on zooming.
– 0wn3r
Apr 15 '14 at 9:08
1
it enables zooming, but changes the initial scale...
TypeError: 'dict_keys' object does not support indexing
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234
Clearly you're passing in d.keys() to your shuffle function. Probably this was written with pyt...
Adding List.add() another list
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Chris SchmichChris Schmich
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add a comm...
Way to read first few lines for pandas dataframe
...s
which seems to work. Using one of the standard large test files (988504479 bytes, 5344499 lines):
In [1]: import pandas as pd
In [2]: time z = pd.read_csv("P00000001-ALL.csv", nrows=20)
CPU times: user 0.00 s, sys: 0.00 s, total: 0.00 s
Wall time: 0.00 s
In [3]: len(z)
Out[3]: 20
In [4]: ti...
How to specify a multi-line shell variable?
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140
Use read with a heredoc as shown below:
read -d '' sql << EOF
select c1, c2 from foo
whe...