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Can't access RabbitMQ web management interface after fresh install
...e this
[{rabbit, [{loopback_users, []}]}].
# It is danger for default user and default password for remote access
# better to change password
rabbitmqctl change_password guest NEWPASSWORD
If you want create a new user with admin grants:
rabbitmqctl add_user test test
rabbitmqctl set_user_tags t...
Ruby - elegantly convert variable to an array if not an array already
...ent, or nil, obtain an array - the latter two being a single element array and an empty array respectively.
10 Answers
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How to reload a clojure file in REPL
...ong in the OP's dev environment because for a single file the two (:reload and :reload-all) should have the same effect. Here's the full command for :reload-all: (use 'your.namespace :reload-all) This reloads all the dependencies, too.
– Jason
Feb 19 '16 at 1...
How can I change the color of my prompt in zsh (different from normal text)?
To recognize better the start and the end of output on a commandline, I want to change the color of my prompt, so that it is visibly different from the programs output. As I use zsh, can anyone give me a hint?
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Change the name of the :id parameter in Routing resources for Rails
I looked around on how to change the dynamic params slot and found this post that does the exact thing.
The post is https://thoughtbot.com/blog/rails-patch-change-the-name-of-the-id-parameter-in
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Appending an element to the end of a list in Scala
...tried with myList ::= myElement but it seems it creates a strange object and accessing to myList.last always returns the first element that was put inside the list. How can I solve this problem?
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What is JSON and why would I use it?
I've looked on wikipedia and Googled it and read the official documentation, but I still haven't got to the point where I really understand what JSON is, and why I'd use it.
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How to check if a Ruby object is a Boolean
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Yes, that's called duck typing and a core principle of OOP. I think it's a feature.
– Konstantin Haase
Jun 19 '12 at 16:41
66
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define() vs. const
...d in const as well:
const BIT_5 = 1 << 5; // Valid since PHP 5.6 and invalid previously
define('BIT_5', 1 << 5); // Always valid
const takes a plain constant name, whereas define() accepts any expression as name. This allows to do things like this:
for ($i = 0; $i < 32; ++$i) {
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Python datetime - setting fixed hour and minute after using strptime to get day,month,year
... How can i remove everything after '2016-06-01' so that hour minute and second disappear?
– PV8
Mar 1 '19 at 14:05
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