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How can I list ALL DNS records?
...lly conduct a zone transfer directly from the authoritative server (the @ns1.google.com below) and often from a name server that may not be published (a stealth name server).
# This will return "Transfer failed"
dig @ns1.google.com google.com axfr
If you have control of the zone, you can set it u...
How to print a list of symbols exported from a dynamic library
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153
man 1 nm
https://web.archive.org/web/20160316222941/https://developer.apple.com/library/mac/d...
What exactly does the “u” do? “git push -u origin master” vs “git push origin master”
...y again (e.g. 'git pull <repository> <refspec>').
See git-pull(1) for details.
If you often merge with the same branch, you may want to
use something like the following in your configuration file:
[branch "test"]
remote = <nickname>
merge = <remote-ref>
[re...
Look up all descendants of a class in Ruby
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Check if a method exists
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if ([obj respondsToSelector:@selector(methodName:withEtc:)]) {
[obj methodName:123 withEtc:...
Overlaying histograms with ggplot2 in R
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115
Your current code:
ggplot(histogram, aes(f0, fill = utt)) + geom_histogram(alpha = 0.2)
is ...
How to randomize (shuffle) a JavaScript array?
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Can I access constants in settings.py from templates in Django?
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