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Is it possible to start a shell session in a running container (without ssh)
...
EDIT: Now you can use docker exec -it "id of running container" bash (doc)
Previously, the answer to this question was:
If you really must and you are in a debug environment, you can do this: sudo lxc-attach -n <ID>
Note th...
Search code inside a Github project
...at within the ruby repo will be expressed as stat repo:ruby/ruby, and will now just workTM.
(the repo name is not case sensitive: test repo:wordpress/wordpress returns the same as test repo:Wordpress/Wordpress)
Will give:
And you have many other examples of search, based on followers, or on fo...
Difference between Inheritance and Composition
...ance is java.util.Stack, which currently extends java.util.Vector. This is now considered a blunder. A stack "is-NOT-a" vector; you should not be allowed to insert and remove elements arbitrarily. It should've been composition instead.
Unfortunately it's too late to rectify this design mistake, sin...
Defeating a Poker Bot
... time they don't.
It's folded round to them with no
other player acting, now they have
been presented with the most
favourable condition possible. Now
if they press fold, they would have
been heavily inclined to press autofold from the start. This is
inconsistant/unoptimised/random
behavio...
Measuring elapsed time with the Time module
...seconds consider the following:
import datetime
start = datetime.datetime.now()
# some code
end = datetime.datetime.now()
elapsed = end - start
print(elapsed)
# or
print(elapsed.seconds,":",elapsed.microseconds)
strftime documentation
...
Common elements in two lists
...
Use Collection#retainAll().
listA.retainAll(listB);
// listA now contains only the elements which are also contained in listB.
If you want to avoid that changes are being affected in listA, then you need to create a new one.
List<Integer> common = new ArrayList<Integer>(...
explicit casting from super class to subclass
... you're essentially telling the compiler "trust me. I'm a professional, I know what I'm doing and I know that although you can't guarantee it, I'm telling you that this animal variable is definitely going to be a dog."
Since the animal isn't actually a dog (it's an animal, you could do Animal anima...
NodeJS - Error installing with NPM
...a problem with the buffertools dependency, thats far as i can think. Dont know how maybe fix this?
13 Answers
...
Locking pattern for proper use of .NET MemoryCache
...urn cachedString;
}
//The value still did not exist so we now write it in to the cache.
var expensiveString = SomeHeavyAndExpensiveCalculation();
CacheItemPolicy cip = new CacheItemPolicy()
{
AbsoluteExp...
Why doesn't the height of a container element increase if it contains floated elements?
...ce blank -->
<div style="clear: both;"></div>
<!-- Now in order to prevent the next div from floating beside the top ones,
we use `clear: both;`. This is like a wall, so now none of the div's
will be floated after this point. The container height will now also...