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How do the Proxy, Decorator, Adapter, and Bridge Patterns differ?
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Proxy, Decorator, Adapter, and Bridge are all variations on "wrapping" a class. But their uses are different.
Proxy could be used when you want to lazy-instantiate an object, or hide the fact that you're calling a remote service, or control access to the object.
D...
IE9 jQuery AJAX with CORS returns “Access is denied”
The following works in all browsers except IE (I'm testing in IE 9).
12 Answers
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JavaScript Chart Library
Would anyone recommend a particular JavaScript charting library - specifically one that doesn't use flash at all?
29 Answer...
What is the worst real-world macros/pre-processor abuse you've ever come across?
... I think programmers (myself included) would be a lot more fit if we all did 10 pushups every time a compiler found an error in our code. This might also reduce the occurrence of testing by compilation.
– MikeyB
Jun 25 '09 at 19:52
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Removing duplicates in lists
...g a dictionary first, and then creating a list from it. If you don’t actually need to preserve the order, you’re often better off using a set, especially because it gives you a lot more operations to work with. Check out this question for more details and alternative ways to preserve the order w...
Learning Ruby on Rails
... and C# developer. The more and more I look at Ruby on Rails, the more I really want to learn it.
56 Answers
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Is it possible to append to innerHTML without destroying descendants' event listeners?
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Unfortunately, assignment to innerHTML causes the destruction of all child elements, even if you're trying to append. If you want to preserve child nodes (and their event handlers), you'll need to use DOM functions:
function start() {
var myspan = document.getElementById("myspan");
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MVC 5 Seed Users and Roles
...d, "AppAdmin");
}
}
I used package-manager "update-database". DB and all tables were created and seeded with data.
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How do you merge two Git repositories?
...hub.com/rails/rails.git master
This will appear as a single commit where all files of Rails master branch are added into "rails" directory.
However the commit's title contains a reference to the old history tree:
Add 'rails/' from commit <rev>
Where <rev> is a SHA-1 commit hash. ...
Are static methods inherited in Java?
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All methods that are accessible are inherited by subclasses.
From the Sun Java Tutorials:
A subclass inherits all of the public and protected members of its parent, no matter what package the subclass is in. If the subc...