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How to view the SQL queries issued by JPA?
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You would put this line in your persistence.xml for any body that is currious. It would be under the <properties> node... Sorry if that is obvious, I was just confused about where to put it myself.
– SoftwareSavant
Apr 18 '...
Why do I get a SyntaxError for a Unicode escape in my file path?
The folder I want to get to is called python and is on my desktop.
7 Answers
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How to set the current working directory? [duplicate]
How to set the current working directory in Python?
5 Answers
5
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How do you find the row count for all your tables in Postgres
...lic')) select table_schema, table_name, (xpath('/row/c/text()', query_to_xml(format('select count(*) as c from %I.%I', table_schema, table_name), false, true, '')))[1]::text::int as rows_n from tbl ORDER BY 3 DESC;
– estani
May 14 '19 at 8:22
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Bulk package updates using Conda
...date --all will update them (note that the latter will not update you from Python 2 to Python 3, but the former will show Python as being outdated if you do use Python 2).
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How do I save and restore multiple variables in python?
...created here...
# Saving the objects:
with open('objs.pkl', 'w') as f: # Python 3: open(..., 'wb')
pickle.dump([obj0, obj1, obj2], f)
# Getting back the objects:
with open('objs.pkl') as f: # Python 3: open(..., 'rb')
obj0, obj1, obj2 = pickle.load(f)
If you have a lot of data, you can...
How do I detect the Python version at runtime? [duplicate]
I have a Python file which might have to support Python versions < 3.x and >= 3.x. Is there a way to introspect the Python runtime to know the version which it is running (for example, 2.6 or 3.2.x )?
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Empty set literal?
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There are set literals, but only in Python 3.x. There isn't a literal for empty sets either way.
– user395760
May 25 '11 at 20:27
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'id' is a bad variable name in Python
Why is it bad to name a variable id in Python?
9 Answers
9
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Are lists thread-safe?
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Lists themselves are thread-safe. In CPython the GIL protects against concurrent accesses to them, and other implementations take care to use a fine-grained lock or a synchronized datatype for their list implementations. However, while lists themselves can't go c...
