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Streaming a video file to an html5 video player with Node.js so that the video controls continue to
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Using scanf() in C++ programs is faster than using cin?
...ream version: 24.3 seconds
scanf version: 6.4 seconds
Changing the compiler's optimization settings didn't seem to change the results much at all.
Thus: there really is a speed difference.
EDIT: User clyfish points out below that the speed difference is largely due to the iostream I/O fu...
arrayfun can be significantly slower than an explicit loop in matlab. Why?
...y running other versions of your code. Consider explicitly writing out the computations, instead of using a function in your loop
tic
Soln3 = ones(T, N);
for t = 1:T
for n = 1:N
Soln3(t, n) = 3*x(t, n)^2 + 2*x(t, n) - 1;
end
end
toc
Time to compute on my computer:
Soln1 1.158446...
Can you call Directory.GetFiles() with multiple filters?
...s => s.EndsWith(".mp3") || s.EndsWith(".jpg"));
edit: Please read the comments. The improvement that Paul Farry suggests, and the memory/performance issue that Christian.K points out are both very important.
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Decode HTML entities in Python string?
...gt; print(h.unescape('£682m'))
£682m
You can also use the six compatibility library to simplify the import:
>>> from six.moves.html_parser import HTMLParser
>>> h = HTMLParser()
>>> print(h.unescape('£682m'))
£682m
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jQuery or javascript to find memory usage of page
... such data to you. And I think you should drop the idea simply because the complexity and inaccuracy of a "handmade" solution may introduce more problem than it solves.
Counting DOM elements or document size might be a good estimation, but it could be quite inaccurate since it wouldn't include e...
Turn a number into star rating display using jQuery and CSS
...png and star_gray.png. But as the stars have a fixed height, we can easily combine them into one image. This utilizes the CSS sprite technique.
Now, as the spans are nested, they are automatically overlayed over each other. In the default case, when the width of both spans is 80px, the yellow stars...
Difference between len() and .__len__()?
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Why can I access private variables in the copy constructor?
...many operations can involve two or more instances of your class: if you're comparing, adding/multiplying/dividing, copy-constructing, cloning, assigning etc. then it's often the case that you either simply must have access to private and/or protected data in the other object, or want it to allow a s...
What kind of Garbage Collection does Go use?
...ncurrent collector
tri-color mark-and-sweep algorithm
non-generational
non-compacting
fully precise
incurs a small cost if the program is moving pointers around
lower latency, but most likely also lower throughput, than Go 1.3 GC
Go 1.3 garbage collector updates on top of Go 1.1:
concurrent swee...