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Check if a Postgres JSON array contains a string
...te: Here's a demonstration of the performance improvements on a table of 1,000,000 rabbits where each rabbit likes two foods and 10% of them like carrots:
d=# -- Postgres 9.3 solution
d=# explain analyze select info->>'name' from rabbits where exists (
d(# select 1 from json_array_elements(in...
SQL Add foreign key to existing column
If I am using the following SQL command in SQL Server 2008 to update a table with a foreign key constraint:
6 Answers
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How do I set a column value to NULL in SQL Server Management Studio?
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edited May 23 '17 at 10:31
Community♦
111 silver badge
answered Jan 14 '09 at 21:05
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Redirect to Action in another controller
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240
You can supply the area in the routeValues parameter. Try this:
return RedirectToAction("LogIn"...
List comprehension on a nested list?
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answered Aug 6 '13 at 6:05
Andrew ClarkAndrew Clark
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remove legend title in ggplot
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answered Feb 8 '13 at 11:30
jubajuba
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Why can't I assign a *Struct to an *Interface?
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edited May 23 '17 at 10:31
Community♦
111 silver badge
answered Nov 22 '12 at 11:31
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How to set headers in http get request?
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edited Aug 5 '13 at 12:09
answered Oct 12 '12 at 17:36
D...
Pythonic way to add datetime.date and datetime.time objects
...the python docs.
import datetime
datetime.datetime.combine(datetime.date(2011, 1, 1),
datetime.time(10, 23))
returns
datetime.datetime(2011, 1, 1, 10, 23)
share
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imp...
Is there a way to use SVG as content in a pseudo element :before or :after
...ex.html I have:
<div id="test" style="content: url(test.svg); width: 200px; height: 200px;"></div>
And my test.svg looks like this:
<svg xmlns="http://www.w3.org/2000/svg">
<circle cx="100" cy="50" r="40" stroke="black" stroke-width="2" fill="red"/>
<polyline po...