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SQL to determine minimum sequential days of access?
...s though - just writing it off the top of my head. Hopefully works in SQL2005 and on.
...and would be very much helped by an index on tablename(UserID, CreationDate)
Edited: Turns out Offset is a reserved word, so I used TheOffset instead.
Edited: The suggestion to use COUNT(*) is very valid - I ...
Add a prefix to all Flask routes
....config['DEBUG'] = True
# Load a dummy app at the root URL to give 404 errors.
# Serve app at APPLICATION_ROOT for localhost development.
application = DispatcherMiddleware(Flask('dummy_app'), {
app.config['APPLICATION_ROOT']: app,
})
run_simple('localhost', 5000, applica...
What breaking changes are introduced in C++11?
...ain() { auto int i = 0; return i; } is perfectly valid C++03, but a syntax error in C++11. The only warning I can get compilers to give for it in C++03 mode is a warning about compatibility.
– user743382
Sep 14 '14 at 10:37
...
std::unique_ptr with an incomplete type won't compile
...ile, but declaring an object of that type anywhere results in the original error ("invalid application of 'sizeof'...").
– Jeff Trull
Sep 30 '12 at 19:45
40
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What is a None value?
...t recent call last):
File "<stdin>", line 1, in <module>
NameError: name 'F' is not defined
and that NameError means Python doesn't recognize the name F, because there is no such sticker. If Briggs were right and F = None resets F to its original state, then it should be there now, ...
What's the scope of a variable initialized in an if statement?
...es such as
if False:
x = 3
print(x)
which would clearly raise a NameError exception.
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Is it possible to change only the alpha of a rgba background colour on hover?
...
answered Jun 4 '13 at 5:05
Chris BoonChris Boon
84766 silver badges99 bronze badges
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Sleep until a specific time/date
...les.
– SpoonMeiser
Mar 14 '09 at 15:05
Good suggestion; I'll modify mine to make that clearer so that people don't get...
How do I convert datetime to ISO 8601 in PHP
...mezone(new DateTimeZone('America/New_York')), 'c');
// Output : 2012-01-18T05:45:00-05:00
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What is the proper way to re-throw an exception in C#? [duplicate]
...ew Exception ("Put more context here", ex)
}
This preserves the original error, but allows you to put more context, such as an object ID, a connection string, stuff like that. Often my exception reporting tool will have 5 chained exceptions to report, each reporting more detail.
...