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SQL: How to get the count of each distinct value in a column?
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318
SELECT
category,
COUNT(*) AS `num`
FROM
posts
GROUP BY
category
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Rails: redirect_to with :error, but flash[:error] empty
I'm trying to do a redirect while setting the flash[:error] value. (Rails 3.0.10)
3 Answers
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MySql: Tinyint (2) vs tinyint(1) - what is the difference?
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edited Dec 2 '16 at 18:39
answered Dec 2 '16 at 18:33
Aa...
How to remove underline from a name on hover
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Harry JoyHarry Joy
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Ruby on Rails: How can I revert a migration with rake db:migrate?
... you want to revert.
eg. if you want to revert a migration with file name 3846656238_create_users.rb
rake db:migrate:down VERSION=3846656238
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How to find Array length inside the Handlebar templates?
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Stéphane Bruckert
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answered Mar 15 '13 at 9:24
AbhidevAbhidev
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Why is conversion from string constant to 'char*' valid in C but invalid in C++
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3 Answers
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What is the result of % in Python?
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310
The % (modulo) operator yields the remainder from the division of the first argument by the...
What's the difference between “version number” in iTunes Connect, “bundle version”, “bundle version
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Yes, they are related. They all refer to the version of your application.
iTunes Connect
This ...