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Difference Between Schema / Database in MySQL
...gyaleggyal
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75
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What is the fastest/most efficient way to find the highest set bit (msb) in an integer in C?
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Marco Bonelli
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answered Mar 23 '09 at 15:16
ephemientephemient
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How to take the first N items from a generator or list in Python? [duplicate]
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edited Jun 11 '16 at 4:17
answered Mar 8 '11 at 15:00
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Get data from fs.readFile
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widged
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answered Apr 7 '12 at 22:25
Matt EschMatt Esch
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Node.js/Express.js App Only Works on Port 3000
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16 Answers
16
Active
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HTML5 Canvas vs. SVG vs. div
...the page the first time). Chrome's task manager says that tab is taking up 168MB. It takes up 12-13% CPU time when I am looking at it, 0% when I am not looking.
The Canvas tab loaded in one second and takes up 30MB. It also takes up 13% of CPU time all of the time, regardless of whether or not one ...
Two-way encryption: I need to store passwords that can be retrieved
...s on the plain text. Blowfish uses a 8 byte block size, so you'll have:
16 bytes for the salt
64 bytes for the hmac
data length
Padding so that data length % 8 == 0
So for a 16 character data source, there will be 16 characters of data to be encrypted. So that means the actual encrypted data si...
C++0x has no semaphores? How to synchronize threads?
...!count_) loop.
– Dan Nissenbaum
Nov 16 '12 at 7:49
3
@Maxim I'm sorry, I don't think you're right...
Why is MATLAB so fast in matrix multiplication?
...t(@()gA*gA)
ans =
0.0022
Update using R2018b on a WIN64 machine with 16 physical cores and a Tesla V100:
>> timeit(@()A*A)
ans =
0.0229
>> gputimeit(@()gA*gA)
ans =
4.8019e-04
(NB: at some point (I forget when exactly) gpuArray switched from MAGMA to cuBLAS - MAGMA is sti...
How to get image size (height & width) using JavaScript?
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@RexM On Chrome 35, it’s 16 times faster: jsperf.com/document-getelementbyid-vs-jquery/5
– bfontaine
Aug 12 '14 at 13:52
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