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In Matlab, when is it optimal to use bsxfun?
...n. You can also think about it as the outer product from BLAS:
v1=[0:2]';
v2 = 1:numel(a)-2;
tic;
vout = v1*v2;
toc
Elapsed time is 0.309763 seconds.
You multiply two vectors to obtain a matrix. Just that the outer product only performs multiplication, and bsxfun can apply arbitrary operators. As...
Why does Java switch on contiguous ints appear to run faster with added cases?
... ;*new ; - javaapplication4.Test1::multiplyByPowerOfTen@72 (line 83)
; {runtime_call}
0x00000000024f0190: int3 ;*new ; - javaapplication4.Test1::multiplyByPowerOfTen@72 (line 83)
0x00000000024f0191: mulsd ...
Does a favicon have to be 32x32 or 16x16?
... Safari Reader List sidebar in HiDPI/Retina
70 x 70 – Win 8.1 Metro tile
72 x 72 – iPad touch up to iOS6
76 x 76 – iOS7
96 x 96 – GoogleTV
114 x 114 – iPhone retina touch up to iOS6
120 x 120 – iPhone retina touch iOS7
128 x 128 – Chrome Web Store app, Android
144 x 144 – IE10 Metro ...
Check if a temporary table exists and delete if it exists before creating a temporary table
...answered Mar 20 '09 at 0:28
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Why is require_once so bad to use?
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72
But that's 2 microseconds sooner the user would have the page. Over a year of page views, that could save the user a whole 3 seconds! They ...
Latest jQuery version on Google's CDN
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v2.x is not compatible with v1.x. Any site that is pointing to this url will actually screw up the sites if it was updated to v2
– Abdul Munim
May 23 '13 at 8:29
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Solving “Who owns the Zebra” programmatically?
...
Here's a solution in Python based on constraint-programming:
from constraint import AllDifferentConstraint, InSetConstraint, Problem
# variables
colors = "blue red green white yellow".split()
nationalities = "Norwegian German Dane Swede English".split()
pet...
How do I determine the size of an object in Python?
... +8 for each additional
224 set 5th increases to 736; 21nd, 2272; 85th, 8416; 341, 32992
240 dict 6th increases to 368; 22nd, 1184; 43rd, 2280; 86th, 4704; 171st, 9320
136 func def does not include default args and other attrs
1056 class def no slots
56 class in...
How to construct a timedelta object from a simple string
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72
For the first format(5hr34m56s), you should parse using regular expressions
Here is re-based s...
Fixed point vs Floating point number
...(%) operand.
12.34 (pseudocode):
v1 = 1234 / 100 // get the whole number
v2 = 1234 % 100 // get the decimal number (100ths of a whole).
print v1 + "." + v2 // "12.34"
Floating point numbers are a completely different story in programming. The current standard for floating point numbers use somet...