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Finding quaternion representing the rotation from one vector to another
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answered Jul 23 '09 at 14:04
Polaris878Polaris878
31.6k3535 gold badges105105 silver badges139139 bronze badges
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Matplotlib tight_layout() doesn't take into account figure suptitle
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10 Answers
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Redis - Connect to Remote Server
...the Quick Start guide on http://redis.io/topics/quickstart on my Ubuntu 10.10 server. I'm running the service as dameon (so it can be run by init.d)
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How to determine if a point is in a 2D triangle? [closed]
... d2 = sign(pt, v2, v3);
d3 = sign(pt, v3, v1);
has_neg = (d1 < 0) || (d2 < 0) || (d3 < 0);
has_pos = (d1 > 0) || (d2 > 0) || (d3 > 0);
return !(has_neg && has_pos);
}
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CSS performance relative to translateZ(0)
...ng' the GPU to think that an element is 3D by using transform: translateZ(0) to speed up animations and transitions. I was wondering if there are implications to using this transform in the following manner:
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Stacked Tabs in Bootstrap 3
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.tabs-right > .nav-tabs,
.tabs-left > .nav-tabs {
border-bottom: 0;
}
.tab-content > .tab-pane,
.pill-content > .pill-pane {
display: none;
}
.tab-content > .active,
.pill-content > .active {
display: block;
}
.tabs-below > .nav-tabs {
border-top: 1px solid #ddd;
}
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dplyr summarise: Equivalent of “.drop=FALSE” to keep groups with zero length in output
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Since dplyr 0.8 group_by gained the .drop argument that does just what you asked for:
df = data.frame(a=rep(1:3,4), b=rep(1:2,6))
df$b = factor(df$b, levels=1:3)
df %>%
group_by(b, .drop=FALSE) %>%
summarise(count_a=length(a)...
How to change border color of textarea on :focus
... {
outline: none !important;
border:1px solid red;
box-shadow: 0 0 10px #719ECE;
}
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Google Maps: how to get country, state/province/region, city given a lat/long value?
...ld look like:
http://maps.googleapis.com/maps/api/geocode/json?latlng=40.714224,-73.961452&sensor=false
Response:
{
"status": "OK",
"results": [ {
"types": [ "street_address" ],
"formatted_address": "275-291 Bedford Ave, Brooklyn, NY 11211, USA",
"address_components": [ {
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Why is early return slower than else?
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+100
This is a pure guess, and I haven't figured out an easy way to check whether it is right, but I have a theory for you.
I tried your ...