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Best design for a changelog / auditing database table? [closed]
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Who the heck created/updated/deleted a record
with ID=X in the table Foo and when?
So, in order to be able to answer such questions quickly (using SQL), we ended up having two additional columns in the audit table
object type (or table name)
object ID
That's when design of our audit log reall...
E11000 duplicate key error index in mongodb mongoose
...nt with the sparse index to filter these null values from the unique index and avoid the error.
unique indexes
Sparse indexes only contain entries for documents that have the indexed field, even if the index field contains a null value.
In other words, a sparse index is ok with multiple documents...
How to round to 2 decimals with Python?
...u can use the round function, which takes as its first argument the number and the second argument is the precision after the decimal point.
In your case, it would be:
answer = str(round(answer, 2))
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How can I use UUIDs in SQLAlchemy?
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The sqlalchemy postgres dialect supports UUID columns. This is easy (and the question is specifically postgres) -- I don't understand why the other answers are all so complicated.
Here is an example:
from sqlalchemy.dialects.postgresql import UUID
from flask_sqlalchemy import SQLAlchemy
impo...
Truncate all tables in a MySQL database in one command?
Is there a query (command) to truncate all the tables in a database in one operation? I want to know if I can do this with one single query.
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OR is not supported with CASE Statement in SQL Server
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For the second case, why does only 'IN' work and not '='?
– Han
Jun 13 '16 at 14:53
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How to lock orientation during runtime
...ing runtime? For example I'd like to allow the user to lock the screen to landscape if the user currently in landscape and toggle the menu option.
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val() vs. text() for textarea
I am using jQuery, and wondering if I should use val() or text() (or another method) to read and update the content of a textarea.
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How to print a int64_t type in C
C99 standard has integer types with bytes size like int64_t. I am using the following code:
6 Answers
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HTML encoding issues - “” character showing up instead of “ ”
...ng; if that byte isn't there, then something else has mauled your document and we need to see further up to find out what.
What's the regexp, how does the templating work? There would seem to be a proper HTML parser involved somewhere if your   strings are (correctly) being turned into U+0...