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Check if a Postgres JSON array contains a string
...ch 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(info->'food') as food
d(# where food::text = '"carrots"'
d(# );
Execution time: 3084.927 ms
d=...
How to make PyCharm always show line numbers
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345
Version 2.6 and above:
PyCharm (far left menu) -> Preferences... -> Editor (bottom left ...
How can I develop for iPhone using a Windows development machine?
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39 Answers
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Best practices for in-app database migration for Sqlite
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RngbusRngbus
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Android RelativeLayout programmatically Set “centerInParent”
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3 Answers
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Can I use conditional statements with EJS templates (in JMVC)?
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answered Jan 7 '13 at 17:37
JbirdJbird
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Git ignore file for Xcode projects
...you need to customize, here's a gist you can fork: https://gist.github.com/3786883
#########################
# .gitignore file for Xcode4 and Xcode5 Source projects
#
# Apple bugs, waiting for Apple to fix/respond:
#
# 15564624 - what does the xccheckout file in Xcode5 do? Where's the document...
Django import error - no module named django.conf.urls.defaults
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193
django.conf.urls.defaults has been removed in Django 1.6. If the problem was in your own code, y...
What's the difference between findAndModify and update in MongoDB?
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answered May 28 '12 at 3:21
Asya KamskyAsya Kamsky
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What is a “callable”?
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A callable is anything that can be called.
The built-in callable (PyCallable_Check in object...