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postgresql - sql - count of `true` values
In the above table, if I do :
10 Answers
10
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c# datatable to csv
...of HTML/XML documents. It's not the above code that produces it unless the table contains   explicitly
– vc 74
Mar 15 '19 at 16:50
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SQLite DateTime comparison
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I had the same issue recently, and I solved it like this:
SELECT * FROM table WHERE
strftime('%s', date) BETWEEN strftime('%s', start_date) AND strftime('%s', end_date)
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What is the ideal data type to use when storing latitude / longitude in a MySQL database?
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FYI; Mysql support spatial index only with *.myisam tables, i.e. the ISAM engine. Link: dev.mysql.com/doc/refman/5.0/en/creating-spatial-indexes.html
– PodTech.io
Jan 15 '17 at 5:46
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How to have comments in IntelliSense for function in Visual Studio?
...customize your <include> use.
<list type="bullet" | "number" | "table">
<listheader>
<term>term</term>
<description>description</description>
</listheader>
<item>
<term>term</term>
<des...
Finding the id of a parent div using Jquery
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This can be easily done by doing:
$(this).closest('table').attr('id');
You attach this to any object inside a table and it will return you the id of that table.
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How do I connect to a MySQL Database in Python?
... = db.cursor()
# Use all the SQL you like
cur.execute("SELECT * FROM YOUR_TABLE_NAME")
# print all the first cell of all the rows
for row in cur.fetchall():
print row[0]
db.close()
Of course, there are thousand of possibilities and options; this is a very basic example. You will have to loo...
is of a type that is invalid for use as a key column in an index
...bytes even then so the safest maximum size for your keys would be:
create table [misc_info]
(
[id] INTEGER PRIMARY KEY IDENTITY NOT NULL,
[key] nvarchar(450) UNIQUE NOT NULL,
[value] nvarchar(max) NOT NULL
)
i.e. the key can't be over 450 characters. If you can switch to varchar i...
MySQL SELECT WHERE datetime matches day (and not necessarily time)
I have a table which contains a datetime column. I wish to return all records of a given day regardless of the time. Or in other words, if my table only contained the following 4 records, then only the 2nd and 3rd would be returned if I limit to 2012-12-25.
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Most underused data visualization [closed]
...d.date <- Sys.Date()
quote <- paste("http://ichart.finance.yahoo.com/table.csv?s=",
stock, "&a=", substr(start.date,6,7),
"&b=", substr(start.date, 9, 10),
"&c=", substr(start.date, 1,4),
"&d=", substr(end.date,6,...