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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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Python try…except comma vs 'as' in except
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The definitive document is PEP-3110: Catching Exceptions
Summary:
In Python 3.x, using as is required to assign an exception to a variable.
In Python 2.6+, use the as syntax, since it is far less ambiguous and forward compatible with Python 3.x.
In Pyth...
How to remove underline from a name on hover
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Harry JoyHarry Joy
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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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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...
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's the difference between “version number” in iTunes Connect, “bundle version”, “bundle version
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143
Yes, they are related. They all refer to the version of your application.
iTunes Connect
This ...