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Check if something is (not) in a list in Python
I have a list of tuples in Python , and I have a conditional where I want to take the branch ONLY if the tuple is not in the list (if it is in the list, then I don't want to take the if branch)
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how to exclude null values in array_agg like in string_agg using postgres?
... use array_agg to collect names, I get my names separated by commas, but in case there is a null value, that null is also taken as a name in the aggregate. For example :
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PHP Redirect with POST data
...e request can be
found under a different URI and SHOULD
be retrieved using a GET method on
that resource. This method exists
primarily to allow the output of a
POST-activated script to redirect the
user agent to a selected resource. The
new URI is not a substitute reference
for the o...
select2 - hiding the search box
For my more significant selects, the search box in Select2 is wonderful. However, in one instance, I have a simple selection of 4 hard-coded choices. In this case, the search box is superfluous and looks a little silly being present. Is it possible to hide it somehow? I took a look through the docum...
Deleting Row in SQLite in Android
... able to select one and delete it; Can anyone give me a direction to start in? My question is in the actual deletion of the row given only its name.
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quick random row selection in Postgres
I have a table in postgres that contains couple of millions of rows. I have checked on the internet and I found the following
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How do I diff the same file between two different commits on the same branch?
In Git, how could I compare the same file between two different commits (not contiguous) on the same branch (master for example)?
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How to get current time with jQuery
The following returns time in microseconds, for example 4565212462.
15 Answers
15
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What does mysql error 1025 (HY000): Error on rename of './foo' (errorno: 150) mean?
I tried this in mysql:
14 Answers
14
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mysql Foreign key constraint is incorrectly formed error
...romTable1 (not the actual name) when I put a FK on IDFromTable1 to ID in table1 I get the error Foreign key constraint is incorrectly formed error . I would like to delete table 2 record if table1 record gets deleted. Thanks for any help
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