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Can't access RabbitMQ web management interface after fresh install
... test administrator
rabbitmqctl set_permissions -p / test ".*" ".*" ".*"
Now you can access using test test.
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Is there a way to get the git root directory in one command?
...n alias:
git config --global alias.root 'rev-parse --show-toplevel'
and now git root will function just as hg root.
Note: In a submodule this will display the root directory of the submodule and not the parent repository. If you are using Git >=2.13 or above, there is a way that submodules ...
Why is division in Ruby returning an integer instead of decimal value?
... I've built a prime number generator in Ruby in order to learn the syntax, now I'm optimizing it to learn what works best. Here's the benchmark I put together: require 'base64';require 'zlib';puts Zlib.inflate(Base64.decode64("eJxlkMEOwiAQRO98hekFuGzxQEwPXvwR01ZqiYHqBk2Tln8XDlWgnDbM25nJonq9NaoD7ZTtR...
INSERT IF NOT EXISTS ELSE UPDATE?
...
It's valid if you know all the new value for all the fields. If the user update only, say, the Level, this approach cannot be followed.
– rds
Nov 14 '12 at 15:07
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Is there a way to get a collection of all the Models in your Rails app?
...ection to search for every classes that extends ActiveRecord::Base. Don't know how you can list all the classes though...
EDIT: Just for fun, I found a way to list all classes
Module.constants.select { |c| (eval c).is_a? Class }
EDIT: Finally succeeded in listing all models without looking at di...
How to check if an NSDictionary or NSMutableDictionary contains a key?
...values. Even @NO, @0, and [NSNull null] evaluate as true.
Edit: Swift is now a thing.
For Swift you would try something like the following
if let value = myDictionary[myKey] {
}
This syntax will only execute the if block if myKey is in the dict and if it is then the value is stored in the va...
Is there a common Java utility to break a list into batches?
...lf a utility to break a list into batches of given size. I just wanted to know if there is already any apache commons util for this.
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multi-step registration process issues in asp.net mvc (split viewmodels, single model)
... {
return View(model);
}
return View("Step2", model);
}
Now inside the step 2 view you could use the Html.Serialize helper from MVC futures in order to serialize step 1 into a hidden field inside the form (sort of a ViewState if you wish):
@using (Html.BeginForm("Step2", "Wizard"...
How do I modify fields inside the new PostgreSQL JSON datatype?
...LANGUAGE sql IMMUTABLE STRICT
COST 100;
Update: functions are compacted now.
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Explanation of …
... retrieve the full text again using .innerHTML, hence it's common practice now among templating engines.
– David Tang
Feb 6 '11 at 10:01
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