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How do you represent a graph in Haskell?
... I've just resorted to additional indirection, as you're suggesting; often by using a map from ids to the actual elements, and having elements contain references to the ids instead of to other elements. The main thing I didn't like about doing that (aside from the obvious inefficiency) is that it fe...
RabbitMQ / AMQP: single queue, multiple consumers for same message?
...parate queues are required in order to have the same message ID be handled by multiple consumers.
Is this commonly done? Should I just have the exchange route the message into two separate queues, with a single consumer, instead?
No it's not, single queue/multiple consumers with each each consumer...
How to configure an existing git repo to be shared by a UNIX group
...isting git repo (a bare one) which has up to this point only been writable by me. I want to open it up to some UNIX user group, foo, so that all members of foo can push to it. I'm aware that I can easily set up a new git repo with:
...
How to remove “disabled” attribute using jQuery?
...rties (such as autoplay, checked, disabled and required amongst others).
By using removeAttr(), you are completely removing the disabled attribute itself - while prop() is merely setting the property's underlying boolean value to false.
While what you want to do can be done using attr()/removeAt...
stopPropagation vs. stopImmediatePropagation
...on an element from being
executed, this method also stops the
bubbling by implicitly calling
event.stopPropagation(). To simply
prevent the event from bubbling to
ancestor elements but allow other
event handlers to execute on the same
element, we can use
event.stopPropagation() inste...
Create a unique number with javascript time
...unique id numbers on the fly using javascript. In the past, I've done this by creating a number using time. The number would be made up of the four digit year, two digit month, two digit day, two digit hour, two digit minute, two digit second, and three digit millisecond. So it would look something...
Struct Constructor in C++?
... between a class and a struct is that members and base classes are private by default in classes, whereas they are public by default in structs.
So structs can have constructors, and the syntax is the same as for classes.
...
Oracle SQL Query for listing all Schemas in a DB
...ted in schemas that Oracle has delivered, you can filter out those schemas by adding predicates on the default_tablespace, i.e.
SELECT username
FROM dba_users
WHERE default_tablespace not in ('SYSTEM','SYSAUX')
or
SELECT username
FROM dba_users u
WHERE EXISTS (
SELECT 1
FROM dba_...
How do I manage MongoDB connections in a Node.js web application?
... is the strangest NodeJS file I have ever seen.
– Hobbyist
Jun 12 '16 at 4:04
2
Never heard of ap...
What is an Endpoint?
...
Come on guys :) We could do it simpler, by examples:
/this-is-an-endpoint
/another/endpoint
/some/other/endpoint
/login
/accounts
/cart/items
and when put under a domain, it would look like:
https://example.com/this-is-an-endpoint
https://example.com/another/en...