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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...
Python Infinity - Any caveats?
...usual arithmetic calculations:
>>> 2.0**2
4.0
>>> _**2
16.0
>>> _**2
256.0
>>> _**2
65536.0
>>> _**2
4294967296.0
>>> _**2
1.8446744073709552e+19
>>> _**2
3.4028236692093846e+38
>>> _**2
1.157920892373162e+77
>>> _**2
...
Get Unix Epoch Time in Swift
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162
You can simply use NSDate's timeIntervalSince1970 function.
let timeInterval = NSDate().timeI...
How to get the anchor from the URL using jQuery?
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6 Answers
6
Active
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How to add a button dynamically in Android?
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Taryn♦
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answered Dec 5 '09 at 10:36
niconico
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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...
Why does += behave unexpectedly on lists?
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The general answer is that += tries to call the __iadd__ special method, and if that isn't available it tries to use __add__ instead. So the issue is with the difference between these special methods.
The __iadd__ special method is for an in-place addition, that is it mut...
Why can I access TypeScript private members when I shouldn't be able to?
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answered Oct 3 '12 at 17:36
GuffaGuffa
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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...
Finding Variable Type in JavaScript
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246
Use typeof:
> typeof "foo"
"string"
> typeof true
"boolean"
> typeof 42
"number"
So ...