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Reading an Excel file in PHP [closed]
... you want to use the data in the excel file. If you want to import it into mysql, you could simply save it as a CSV formatted file and then use fgetcsv to parse it.
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MongoDB vs. Cassandra [closed]
...sandra: they are not using Cassandra for persisting tweets, they use still MySQL here (engineering.twitter.com/2010/07/cassandra-at-twitter-today.html). Ok, but I can imagine that they still store lots of data for other purposes in Cassandra.
– H6.
Jan 13 '12 a...
How to delete from multiple tables in MySQL?
...h out to an EXISTS in 99% of the cases and then there is the 1% where this MySQL syntax takes the day.
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ROW_NUMBER() in MySQL
Is there a nice way in MySQL to replicate the SQL Server function ROW_NUMBER() ?
24 Answers
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Can you use an alias in the WHERE clause in mysql?
...will not work, in which case you'll need to use a HAVING clause.
From the MySQL Manual:
It is not allowable to refer to a
column alias in a WHERE clause,
because the column value might not yet
be determined when the WHERE clause
is executed. See Section B.1.5.4,
“Problems with Colu...
How do I find a “gap” in running counter with SQL?
...
In MySQL and PostgreSQL:
SELECT id + 1
FROM mytable mo
WHERE NOT EXISTS
(
SELECT NULL
FROM mytable mi
WHERE mi.id = mo.id + 1
)
ORDER BY
id
LIMIT 1
In SQL Server:
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How can I temporarily disable a foreign key constraint in MySQL?
Is it possible to temporarily disable constraints in MySQL?
10 Answers
10
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Detect if value is number in MySQL
Is there a way to detect if a value is a number in a MySQL query? Such as
15 Answers
1...
How do I disable “missing docstring” warnings at a file-level in Pylint?
...
I think the fix is relative easy without disabling this feature.
def kos_root():
"""Return the pathname of the KOS root directory."""
global _kos_root
if _kos_root: return _kos_root
All you need to do is add the triple double quotes string in every function.
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How do I get the different parts of a Flask request's url?
...ibutes would be the following:
path /page.html
script_root /myapplication
base_url http://www.example.com/myapplication/page.html
url http://www.example.com/myapplication/page.html?x=y
url_root http://www.example.com/myapplication/
...
