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Check if two lists are equal [duplicate]
... this does not apply for all cases, List A {a,a} and list B contains {b,a} now ListB.All(listA.contains) and LIstA.All(listB.contains) will give different results, since both have same count, we will get true in one of them even though both are different, it wont work if a list has multiple entries ...
Generate a random double in a range
...
This question was asked before Java 7 release but now, there is another possible way using Java 7 (and above) API:
double random = ThreadLocalRandom.current().nextDouble(min, max);
nextDouble will return a pseudorandom double value between the minimum (inclusive) and the ...
When to use lambda, when to use Proc.new?
...ues on the next line
return "Jason"
end
whowouldwin
#=> "Jason"
Now here's a Proc.new-created proc's return doing the same thing. You're about to see one of those cases where Ruby breaks the much-vaunted Principle of Least Surprise:
def whowouldwin2
myproc = Proc.new {return "Freddy"}...
How to use permission_required decorators on django class-based views
...sion_required() and the login_required attribute in the view, but I don't know how to do this on the new views. Is there some section in the django docs explaining this? I didn't found anything. What is wrong in my code?
...
Difference between git stash pop and git stash apply
...ains "Hello" string.
Let's modify the file and add " world" string to it. Now you want to move to a different branch to fix a minor bug you've just found, so you need to stash your changes:
git stash
You moved to the other branch, fixed the bug and now you're ready to continue working on your ma...
How can I list ALL DNS records?
...nswer "${3:-any}"
else
dig +nocmd "$1" +noall +answer "${2:-any}"
fi
Now I use dg example.com to get a nice, clean list of DNS records, or dg example.com x to include a bunch of other popular subdomains.
grep -vE "${wild_ips}" filters out records that could be the result of a wildcard DNS ent...
What is the difference between a URI, a URL and a URN?
...hat URN to a URL and download the book for you.
Do any browsers actually know how to fetch documents by URN?
Not that I know of, but modern web browser do implement the data URI scheme.
Does the difference between URL and URI have anything to do with whether it is relative or absolute?
No. Bot...
What's the proper way to install pip, virtualenv, and distribute for Python?
...the environment.
$INITIAL_ENV/bin/pip install virtualenv-$VERSION.tar.gz
Now you can use your "bootstrap" environment to create more:
# Create a second environment from the first:
$INITIAL_ENV/bin/virtualenv py-env1
# Create more:
$INITIAL_ENV/bin/virtualenv py-env2
Go nuts!
Note
This assumes...
What's the difference between Spring Data's MongoTemplate and MongoRepository?
...<User> yourCustomMethod() {
// custom implementation here
}
}
Now let your base repository interface extend the custom one and the infrastructure will automatically use your custom implementation:
interface UserRepository extends CrudRepository<User, Long>, CustomUserRepository {...
Is there a working C++ refactoring tool? [closed]
Does anybody know a fully featured refactoring tool for C++ that works reliably with large code bases (some 100.000 lines)?
...