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T-SQL datetime rounded to nearest minute and nearest hours with using functions
...ate with the time set to 00:00:00.000:
select dateadd(day, @days, 0)
or more succinctly:
select dateadd(day, datediff(day, 0, @dt), 0)
Using a different datepart (e.g. hour, mi) will work accordingly.
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Why doesn't django's model.save() call full_clean()?
...ust enough to handle all the edge cases is -- if it's even possible -- far more than can be accomplished on the 1.2 timeframe. Hence, for now, Django doesn't have any such thing, and won't have it in 1.2. If you think you can make it work for 1.3, your best bet is to work up a proposal, including at...
Check if a string contains a string in C++
... std::string to the string api in Java.PS:Also I do think contains is much more elegant than find to check if a string contains another string.
– Geng Jiawen
Jun 23 '14 at 8:01
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How to add a new row to an empty numpy array
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The numpythonic way to do it depends on your application, but it would be more like:
In [220]: timeit n = np.arange(1,3001).reshape(1000,3)
100000 loops, best of 3: 5.93 µs per loop
In [221]: np.allclose(a, n)
Out[221]: True
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Json.net serialize/deserialize derived types?
...tions if you look at the documentation. I only provided the example I like more.
– rzippo
Apr 5 '19 at 9:58
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In javascript, is an empty string always false as a boolean?
... Y same-ish?
if (X === Y) {} // are X and Y exactly the same?
There are more examples in Truth, Equality and JavaScript where this distinction really matters, e.g. '0' is true in a conditional (non-zero length, or, it is a thing), but false in a == comparison (the value is zero). '1' again, is tr...
Signal handling with multiple threads in Linux
... one of the threads that does not currently have the signal blocked.
If more than one of the threads has the signal unblocked, then the
kernel chooses an arbitrary thread to which to deliver the signal.
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Why is '+' not understood by Python sets?
...lting sets. In the above example, I have used 'U' for set union to make it more similar to the usual mathematical notation; below I use the Python notation, i.e. '|' for union, and '&' for intersection.
If A and B are disjoint, the A + B has a 1-to-1 correspondence with A | B. If they are not, ...
How to view the Folder and Files in GAC?
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Understanding ibeacon distancing
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