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How to create the most compact mapping n → isprime(n) up to a limit N?
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AlexandruAlexandru
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Resizing an image in an HTML5 canvas
... from first post is resized in 120ms with Lanczos filter and 3px window or 60ms with Box filter and 0.5px window. For huge 17mb image 5000x3000px resize takes ~1s on desktop and 3s on mobile.
All resize principles were described very well in this thread, and pica does not add rocket science. But it...
Why are these constructs using pre and post-increment undefined behavior?
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Most of the answers here quoted from C standard emphasizing that the behavior of these construc...
best practice to generate random token for forgot password
... answer (md5(uniqid(mt_rand(), true))) is insecure and only offers about 2^60 possible outputs -- well within the range of a brute force search in about a week's time for a low-budget attacker:
mt_rand() is predictable (and only adds up to 31 bits of entropy)
uniqid() only adds up to 29 bits of en...
How can I profile Python code line-by-line?
...From the link:
File: pystone.py
Function: Proc2 at line 149
Total time: 0.606656 s
Line # Hits Time Per Hit % Time Line Contents
==============================================================
149 @profile
150 ...
RESTful API methods; HEAD & OPTIONS
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As per: http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html
9.2 OPTIONS
The OPTIONS method ...
Clone private git repo with dockerfile
.... ssh-keyscan won't even report an error. So better run RUN ssh-keyscan -T 60 bitbucket.org >> /root/.ssh/known_hosts to be safe.
– fluidsonic
Feb 26 '15 at 17:05
6
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What does “use strict” do in JavaScript, and what is the reasoning behind it?
... sizes were a multiple of 3. You needed octal when working with the CDC
6600 mainframe, which had a word size of 60 bits. If you could read
octal, you could look at a word as 20 digits. Two digits represented
the op code, and one digit identified one of 8 registers. During the
slow transitio...
What do the terms “CPU bound” and “I/O bound” mean?
... parallel in nature.
Is it possible to build a heatmap from point data at 60 times per second?
Plotting of heatmap graphs if the plotted function is complex enough.
https://www.youtube.com/watch?v=fE0P6H8eK4I "Real-Time Fluid Dynamics: CPU vs GPU" by Jesús Martín Berlanga
Solving partial differ...
What is the (best) way to manage permissions for Docker shared volumes?
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A very elegant solution can be seen on the official redis image and in general in all official ...