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Find rows that have the same value on a column in MySQL
...SELECT email,
count(*) AS c
FROM TABLE
GROUP BY email
HAVING c > 1
ORDER BY c DESC
If you want the full rows:
select * from table where email in (
select email from table
group by email having count(*) > 1
)
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How do you make lettered lists using markdown?
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Andrew Mascillaro
3691212 bronze badges
answered Mar 15 '13 at 0:01
creativecodercreativecoder
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Hidden Features of JavaScript? [closed]
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votes
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bash HISTSIZE vs. HISTFILESIZE?
...st: in memory.
Long answer:
All the info above + some examples:
Example 1:
HISTFILESIZE=10 and HISTSIZE=10
You start your session.
Your HISTFILE (file that stores your bash command history), is truncated to contain HISTFILESIZE=10 lines.
You write 50 lines.
At the end of your 50 commands, onl...
What does the number in parentheses shown after Unix command names in manpages mean?
For example: man(1) , find(3) , updatedb(2) ?
7 Answers
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Generate sql insert script from excel worksheet
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13 Answers
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Numpy matrix to array
I am using numpy. I have a matrix with 1 column and N rows and I want to get an array from with N elements.
9 Answers
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Is there a way of having git show lines added, lines changed and lines removed?
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135
You can use:
git diff --numstat
to get numerical diff information.
As far as separating mo...
how to schedule a job for sql query to run daily?
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165
Expand the SQL Server Agent node and right click the Jobs node in SQL Server Agent and select...
Make outer div be automatically the same height as its floating content
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169
You can set the outerdiv's CSS to this
#outerdiv {
overflow: hidden; /* make sure this do...