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How can I list ALL DNS records?
...2) Check DNS Records Using NSlookup Command
Nslookup is a program to query Internet domain name servers. Nslookup has two modes interactive and non-interactive.
Interactive mode allows the user to query name servers for information about various hosts and domains or to print a list of hosts in a do...
What is the fastest way to get the value of π?
....
The SECOND FASTEST way (more universal solution) is:
look up Pi on the Internet, e.g. here:
http://www.eveandersson.com/pi/digits/1000000 (1 million digits .. what's your floating point precision? )
or here:
http://3.141592653589793238462643383279502884197169399375105820974944592.com/
or he...
CAP theorem - Availability and Partition Tolerance
...cating over an asynchronous network that may delay or drop
messages. The internet and all our data centres have this property, so
you don’t really have any choice in this matter.
Source: Awesome Martin kleppmann's work
Just to take some example:
Cassandra can at max be AP system. But if yo...
How to set JVM parameters for Junit Unit Tests?
...at will only run with sufficient heap-space, and will be run internally on Win 7 64-bit machines - so redesigning the tests isn't a practical suggestion.)
...
SELECT * WHERE NOT EXISTS
...thing.
Assuming these tables should be joined on employeeID, use the following:
SELECT *
FROM employees e
WHERE NOT EXISTS
(
SELECT null
FROM eotm_dyn d
WHERE d.employeeID = e.id
)
You can join these tables with a LEFT JOIN keyword and fil...
Cross Browser Flash Detection in Javascript
...ERSION);
}else{
alert('no flash found');
}
which results in the following "compiled" code:
var a = !1,
b = "";
function c(d) {
d = d.match(/[\d]+/g);
d.length = 3;
return d.join(".")
}
if (navigator.plugins && navigator.plugins.length) {
var e = navigator.plugins[...
Does Python have “private” variables in classes?
...
@ncoghlan These points are made all over the internet and in Python publications galore. Doesn't make them scripture. Compiler enforcement of an interface, strong data encapsulation and typing are considered by many to be great benefits. "Privacy doesn't help make a d...
Named regular expression group “(?Pregexp)”: what does “P” stand for?
... activity.
(Sorry it was even lower last week--I was off in New York at Internet
World.)
Anyway, as far as I'm concerned, you may certainly have 'P' with my
blessing. (Obviously Perl doesn't need the 'P' at this point. :-) [...]
So I don't know what the original choice of P was motivat...
How to pass arguments into a Rake task with environment in Rails? [duplicate]
...ago) should do there. It's an upgraded and bugfixed version of the current winning answer (hgimenez):
desc "Testing environment and variables"
task :hello, [:message] => :environment do |t, args|
args.with_defaults(:message => "Thanks for logging on")
puts "Hello #{User.first.name...
from list of integers, get number closest to a given value
...Note that we had to stack everything in its favour for the min solution to win.
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