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Best way to compare two complex objects
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Implement IEquatable<T> (typically in conjunction with overriding the inherited Object.Equals and Object.GetHashCode methods) on all your custom types. In the case of composite types, invoke the contained types’ Equals method within the containing type...
JavaScript variable number of arguments to function
...nowing this, and that the method concat returns a copy of the 'array' it's called on, we can easily convert the arguments object to a real array like this: var args = [].concat.call(arguments). Some people prefer to use Array.prototype.concat.call instead, but I like the [], they are short and sweet...
Difference between app.all('*') and app.use('/')
...in middleware will be more important than it is right now, since you technically don't even have to use it right now).
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AngularJS validation with no enclosing
Is it possible in Angular to validate a single, isolated <input> in a similar way the forms are validated? I'm thinking about something like this:
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How do I write the 'cd' command in a makefile?
...tuff, should the cd fail for whatever reason.
A common usage though is to call make in the sub directory, which you might want to look into. There's a command line option for this so you don't have to call cd yourself, so your rule would look like this
all:
$(MAKE) -C some_dir all
which ...
Rails: create on has_one association
...op.create(params[:shop])
@user.shop = @shop
Now here's why your version did not work:
You probably thought that this might work because if User had a has_many relation to Shop, @user.shops.create(params[:shop]) would work. However there is a big difference between has_many relations and has_one r...
IE9 jQuery AJAX with CORS returns “Access is denied”
...y by $.ajax to perform requests. Therefore, I assume you should be able to call $.ajax as usual. Information on transporters and extending $.ajax can be found here.
Also, a perhaps better version of this plugin can be found here.
Two other notes:
The object XDomainRequest was introduced from IE...
Maintain the aspect ratio of a div with CSS
I want to create a div that can change its width/height as the window's width changes.
27 Answers
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Iterate through options
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$("#selectId > option").each(function() {
alert(this.text + ' ' + this.value);
});
http://api.jquery.com/each/
http://jsfiddle.net/Rx3AP/
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Creating an instance using the class name and calling constructor
...hen use getConstructor() to find the desired Constructor object.
Finally, call newInstance() on that object to get your new instance.
Class<?> c = Class.forName("mypackage.MyClass");
Constructor<?> cons = c.getConstructor(String.class);
Object object = cons.newInstance("MyAttributeValu...