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What is the largest Safe UDP Packet Size on the Internet

... It is true that a typical IPv4 header is 20 bytes, and the UDP header is 8 bytes. However it is possible to include IP options which can increase the size of the IP header to as much as 60 bytes. In addition, sometimes it is necessary for intermediate nodes to encapsulate datagrams inside of ano...
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Get PostGIS version

... | edited Mar 28 '13 at 20:19 Brad Koch 15.2k1717 gold badges9494 silver badges124124 bronze badges ...
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How do I run a program with a different working directory from current, from Linux shell?

... Schmitt 53.5k2626 gold badges116116 silver badges158158 bronze badges 1 ...
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On delete cascade with doctrine2

... | edited Oct 10 '12 at 8:33 DonCallisto 26k77 gold badges6161 silver badges8484 bronze badges answere...
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Is it possible to pull just one file in Git?

... | edited Jan 1 '18 at 22:53 Peter Mortensen 26.5k2121 gold badges9292 silver badges122122 bronze badges ...
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callback to handle completion of pipe

...steampowered 10.3k1010 gold badges6262 silver badges8989 bronze badges answered Jul 12 '12 at 8:59 PickelsPickels 29.4k2323 gold b...
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Matplotlib (pyplot) savefig outputs blank image

...y. – tylerthemiler Jan 26 '12 at 1:18 8 A special case of this occurs in jupyter notebooks with %...
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Regular expression for a string containing one word but not another

... 8 FYI, check out regexr.com for a nice way to test these expressions out. – Joshua Pinter Apr 8 '14 at ...
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Overlaying histograms with ggplot2 in R

...th some output: dat <- data.frame(xx = c(runif(100,20,50),runif(100,40,80),runif(100,0,30)),yy = rep(letters[1:3],each = 100)) ggplot(dat,aes(x=xx)) + geom_histogram(data=subset(dat,yy == 'a'),fill = "red", alpha = 0.2) + geom_histogram(data=subset(dat,yy == 'b'),fill = "blue", alpha =...
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In HTML I can make a checkmark with ✓ . Is there a corresponding X-mark?

... TK123 19.5k4444 gold badges133133 silver badges183183 bronze badges answered Apr 3 '09 at 0:27 dommerdommer 18.7k99 gold badge...