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Errors: “INSERT EXEC statement cannot be nested.” and “Cannot use the ROLLBACK statement within an I
...that the procedure normally returns.
– Guillermo Gutiérrez
Aug 6 '13 at 0:29
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Temp Tables and T...
How to exit from PostgreSQL command line utility: psql
...tion to always working in pgsql it'll work in most your other unix shells (python, mysql, etc). If you always do things the "standard" way in 'nix your brain will be less cluttered with trivia.
– hobs
Nov 7 '13 at 22:10
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CSS center text (horizontally and vertically) inside a div block
...rowser support is an argument against it anymore.
– Félix Gagnon-Grenier
Sep 12 '19 at 11:28
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Insert line break inside placeholder attribute of a textarea?
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@Jens-AndréKoch I assume the argument is that a placeholder should be simple; if the value is complex enough to need line-breaks, it should exist as a sibling element, similar to what you see if you activate the "show help" link by th...
How do you create different variable names while in a loop? [duplicate]
...(cat_4)
8
Here I am taking advantage of the handy f string formatting in Python 3.6+
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How to use auto-layout to move other views when a view is hidden?
...nk this is less work than removing the subview.
– José Manuel Sánchez
Jan 17 '14 at 10:47
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@sk...
$(window).scrollTop() vs. $(document).scrollTop()
...always return 0 in Google Chrome.
– Jonathan Parent Lévesque
Apr 18 '18 at 14:23
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$("body").scr...
In Django, how does one filter a QuerySet with dynamic field lookups?
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Python's argument expansion may be used to solve this problem:
kwargs = {
'{0}__{1}'.format('name', 'startswith'): 'A',
'{0}__{1}'.format('name', 'endswith'): 'Z'
}
Person.objects.filter(**kwargs)
This is a very c...
How to query MongoDB with “like”?
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In
PyMongo using Python
Mongoose using Node.js
Jongo, using Java
mgo, using Go
you can do:
db.users.find({'name': {'$regex': 'sometext'}})
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How to add pandas data to an existing csv file?
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You can specify a python write mode in the pandas to_csv function. For append it is 'a'.
In your case:
df.to_csv('my_csv.csv', mode='a', header=False)
The default mode is 'w'.
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