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What is the difference between and ?
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<section> means that the content inside is grouped (i.e. relates to a single theme), and should appear as an entry in an outline of the page.
<div>, on the other hand, does not convey any meaning, aside from any found in its class, lang and title attributes.
So ...
GROUP_CONCAT comma separator - MySQL
I have a query where I am using GROUP_CONCAT and a custom separator as my results may contain commas: '----'
3 Answers
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Rename a table in MySQL
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group is a keyword (part of GROUP BY) in MySQL, you need to surround it with backticks to show MySQL that you want it interpreted as a table name:
RENAME TABLE `group` TO `member`;
added(see comments)- Those are not single...
Concatenate multiple result rows of one column into one, group by another column [duplicate]
...or later):
SELECT movie, string_agg(actor, ', ') AS actor_list
FROM tbl
GROUP BY 1;
The 1 in GROUP BY 1 is a positional reference and a shortcut for GROUP BY movie in this case.
string_agg() expects data type text as input. Other types need to be cast explicitly (actor::text) - unless an impl...
What are some examples of commonly used practices for naming git branches? [closed]
I've been using a local git repository interacting with my group's CVS repository for several months, now. I've made an almost neurotic number of branches, most of which have thankfully merged back into my trunk. But naming is starting to become an issue. If I have a task easily named with a simp...
How can I return pivot table output in MySQL?
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The rows (EMAIL, PRINT x pages) resemble conditions. The main grouping is by company_name.
In order to set up the conditions this rather shouts for using the CASE-statement. In order to group by something, well, use ... GROUP BY.
The basic SQL providing this pivot can look something l...
Visual Studio: How can I see the same file in two separate tab groups?
...ame file. Then you can right-click the tab bar and select New Vertical Tab Group (or New Horizontal Tab Group, the one you like more).
Hope I understood you question..
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SQL Query to concatenate column values from multiple rows in Oracle
... very common one is to use LISTAGG:
SELECT pid, LISTAGG(Desc, ' ') WITHIN GROUP (ORDER BY seq) AS description
FROM B GROUP BY pid;
Then join to A to pick out the pids you want.
Note: Out of the box, LISTAGG only works correctly with VARCHAR2 columns.
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How do I access named capturing groups in a .NET Regex?
...hard time finding a good resource that explains how to use Named Capturing Groups in C#. This is the code that I have so far:
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How can I change my Cygwin home folder after installation?
...or more on the topic.
Footnotes:
Consider moving /etc/passwd and /etc/group out of the way in order to use the new SAM/AD-based mechanism instead.
While it is possible to simply set %HOME% via the Control Panel, it is officially discouraged. Not only does it unceremoniously override the above m...