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How to find out the number of CPUs using python
...the local machine using Python. The result should be user/real as output by time(1) when called with an optimally scaling userspace-only program.
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How to get a float result by dividing two integer values using T-SQL?
...f decimal places like
ROUND((1+0.0)/(2+0.0), 3)
The above SQL divides 1 by 2 and returns a float to 3 decimal places, as in it would be 0.500.
One can CAST to the following types: binary, char, date, datetime, decimal, json, nchar, signed, time, and unsigned.
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How do I hide a menu item in the actionbar?
... then inside onCreateOptionsMenu(Menu) obtain a reference to the MenuItem (by calling menu.findItem()) and call setVisible() on it
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Maximum on http header values?
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This answer states that maximum accepted header size by the server. But what is the maximum header size the web server (e.g. Apache) is capable of sending?
– Pacerier
Jun 12 '12 at 8:24
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What is the relationship between UIView's setNeedsLayout, layoutIfNeeded and layoutSubviews?
..., because of the autoresizesSubviews property. If that's set (which it is by default) then any change to a view's frame will cause the view to lay out its subviews.
layoutSubviews is the method in which you do all the interesting stuff. It's the equivalent of drawRect for layout, if you will. A ...
PHP: How to send HTTP response code?
...at first variant. The biggest of which I think is that it is partly parsed by PHP or the web server and poorly documented.
Since 4.3, the header function has a 3rd argument that lets you set the response code somewhat comfortably, but using it requires the first argument to be a non-empty string. H...
git stash -> merge stashed change with current changes
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Wow, is this behaviour really intended by git ?
– edi9999
Feb 17 '16 at 13:38
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How do I choose grid and block dimensions for CUDA kernels?
...ach code behaves will be different and the only real way to quantify it is by careful benchmarking and profiling. But again, very roughly summarized:
The number of threads per block should be a round multiple of the warp size, which is 32 on all current hardware.
Each streaming multiprocessor unit ...
Reading a file line by line in Go
...wondering if I'm overlooking something here. How does one read a file line by line?
12 Answers
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How does functools partial do what it does?
...gs.extend(extra_args)
return func(*args)
return wrapper
So, by calling partial(sum2, 4) you create a new function (a callable, to be precise) that behaves like sum2, but has one positional argument less. That missing argument is always substituted by 4, so that partial(sum2, 4)(2) == ...