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Fastest way to extract frames using ffmpeg?
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If you know exactly which frames to extract, eg 1, 200, 400, 600, 800, 1000, try using:
select='eq(n\,1)+eq(n\,200)+eq(n\,400)+eq(n\,600)+eq(n\,800)+eq(n\,1000)' \
-vsync vfr -q:v 2
I'm using this with a pipe to Imagemagick's montage to get 10 frames preview from any videos. Obviously ...
Performing a Stress Test on Web Application?
... +1 for grinder. paired with EC2, we've successfully used it to spin up 100k concurrent users.
– nategood
Dec 12 '12 at 15:08
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what is the difference between XSD and WSDL
...ll be synchronize and security in place. If there is no sync then there is 100 % chances more than 1 customer might buy same flight ticket from various sources.
I am hoping experts will contribute to my answer. It is really hard for newbie or novice to understand XML, XSD and then to work on Web S...
Calculate text width with JavaScript
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@virus well said 100+ people probably don't care about performance either... Nonetheless, doesn't make what I said any less valid or true.
– James
Mar 13 at 23:26
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rotating axis labels in R
...ere's an example:
require(grDevices)
tN <- table(Ni <- stats::rpois(100, lambda=5))
r <- barplot(tN, col=rainbow(20), las=1)
That represents the style of axis labels. (0=parallel, 1=all horizontal, 2=all perpendicular to axis, 3=all vertical)
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Accessing localhost (xampp) from another computer over LAN network - how to?
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Hi, what about a range of IP addresses for e.g. 192.168.1-100. How to set that?
– dkjain
Aug 29 '16 at 6:26
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Why does python use 'else' after for and while loops?
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+100
A common construct is to run a loop until something is found and then to break out of the loop. The problem is that if I break out o...
One SVN repository or many?
...very well with bigger repositories, there is no slowdown even on huge (>100GB) repositories.
So you will have less hassle with a single repository. But you really should think about the repo layout!
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How to get div height to auto-adjust to background size?
... background-size: contain;
background-repeat: no-repeat;
width: 100%;
height: 0;
padding-top: 66.64%; /* (img-height / img-width * container-width) */
/* (853 / 1280 * 100) */
}
You just got a background image with auto height which will work just like an img ele...