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How to create a private class method?
...method in a separate line. I personally don't like this usage but good to know that it exists.
private_class_method def self.method_name
....
end
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Unable to simultaneously satisfy constraints, will attempt to recover by breaking constraint
...o do this:
DEBUG VIEW HIERARCHY (Do not recommend this way)
Since you know where to find unexpected constraints (PBOUserWorkDayHeaderView) there is a way to do this fairly well. Lets find UIView and NSLayoutConstraint in red rectangles. Since we know their id in memory it is quite easy.
Stop a...
Override devise registrations controller
...model, or any of the nested models?
If so, I believe the ActiveRecord::UnknownAttributeError is triggered in this instance.
Otherwise, I think you can just create your own controller, by generating something like this:
# app/controllers/registrations_controller.rb
class RegistrationsController &l...
How to create has_and_belongs_to_many associations in Factory girl
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Factorygirl has since been updated and now includes callbacks to solve this problem. Take a look at http://robots.thoughtbot.com/post/254496652/aint-no-calla-back-girl for more info.
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Growing Amazon EBS Volume sizes [closed]
I'm quite impressed with Amazon's EC2 and EBS services. I wanted to know if it is possible to grow an EBS Volume.
11 Answer...
How to reload/refresh an element(image) in jQuery
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It sounds like it's your browser caching the image (which I now notice you wrote in your question). You can force the browser to reload the image by passing an extra variable like so:
d = new Date();
$("#myimg").attr("src", "/myimg.jpg?"+d.getTime());
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Do I encode ampersands in ?
...hey see an URL with non-ASCII characters in it since HTML5. It's therefore now safe to include non-ASCII characters in URLs, percent-encoded or not.
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nginx server_name wildcard or catch-all
...s. The second is an admin console on admin.domain.com . These work great. Now I'd like all other domain requests to go to a single index.php - I have loads of domains and subdomains and it's impractical to list them all in an nginx config.
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Detect backspace in empty UITextField
...essed in the iPhone keyboard on a UITextField that is empty? I want to know when Backspace is pressed only if the UITextField is empty.
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How to add property to a class dynamically?
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I suppose I should expand this answer, now that I'm older and wiser and know what's going on. Better late than never.
You can add a property to a class dynamically. But that's the catch: you have to add it to the class.
>>> class Foo(object):
... ...