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How do I clone a Django model instance object and save it to the database?
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456
Just change the primary key of your object and run save().
obj = Foo.objects.get(pk=<some_ex...
What do the python file extensions, .pyc .pyd .pyo stand for?
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np8
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answered Jan 11 '12 at 15:57
Bill LynchBill Lynch...
Double Negation in C++
...e smoking.
– Noldorin
Jun 4 '14 at 16:13
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show 2 more comments
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SQL to determine minimum sequential days of access?
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69
The answer is obviously:
SELECT DISTINCT UserId
FROM UserHistory uh1
WHERE (
SELECT COU...
Scala best way of turning a Collection into a Map-by-key?
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edited Oct 20 '16 at 10:47
answered Jul 14 '10 at 18:56
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How could I use requests in asyncio?
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edited May 3 '16 at 20:49
alanc10n
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an...
Test for existence of nested JavaScript object key
...vel3'); // true
checkNested(test, 'level1', 'level2', 'foo'); // false
ES6 UPDATE:
Here is a shorter version of the original function, using ES6 features and recursion (it's also in proper tail call form):
function checkNested(obj, level, ...rest) {
if (obj === undefined) return false
if (r...
How to round a number to significant figures in Python
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146
You can use negative numbers to round integers:
>>> round(1234, -3)
1000.0
Thus if y...
Open a URL in a new tab (and not a new window)
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967
Nothing an author can do can choose to open in a new tab instead of a new window; it is a user ...
Accessing nested JavaScript objects and arays by string path
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