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Is there a way to iterate over a dictionary?

... what keys there are, and what values there are? I know there is something called a for-in-loop in JavaScript . Is there something similar in Objective-C ? ...
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Django set default form values

...ich is explained here You have two options either populate the value when calling form constructor: form = JournalForm(initial={'tank': 123}) or set the value in the form definition: tank = forms.IntegerField(widget=forms.HiddenInput(), initial=123) ...
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How to Implement DOM Data Binding in JavaScript

...both the element and the .data property. And the same will happen when you call .change() in your JavaScript program. Using the code Now you'd just create the new object, and let it perform updates. Updates in JS code will appear on the input, and change events on the input will be visible to the ...
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On showing dialog i get “Can not perform this action after onSaveInstanceState”

... it's better to call super.show(manager, tag) inside try-catch clause. The flags owned by DialogFragment can stay safe this way – Shayan_Aryan Jan 16 '17 at 10:33 ...
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What is the best way to add options to a select from a JavaScript object with jQuery?

... I would first of all assign $("#mySelect") to a var, otherwise calling $("#mySelect") every time inside the loop is very wasteful, as is updating the DOM. See points #3 and #6 at artzstudio.com/2009/04/jquery-performance-rules/… – Patrick Oct 12 '...
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Entity Framework: “Store update, insert, or delete statement affected an unexpected number of rows (

... That's a side-effect of a feature called optimistic concurrency. Not 100% sure how to turn it on/off in Entity Framework but basically what it's telling you is that between when you grabbed the data out of the database and when you saved your changes someone...
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EditText, clear focus on touch outside

...vior, this is what I ended up doing: I created an (invisible) FrameLayout called touchInterceptor as the last View in the layout so that it overlays everything (edit: you also have to use a RelativeLayout as the parent layout and give the touchInterceptor fill_parent attributes). Then I used it to ...
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How do you turn a Mongoose document into a plain object?

... finally got it. for the ones who have toObject undefined, make sure to call on document instead of model. i.e. modelName._doc.toObject() – John Jun 23 '15 at 16:55 1 ...
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jQuery pass more parameters into callback

Is there a way to pass more data into a callback function in jQuery? 14 Answers 14 ...
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Method overloading in Objective-C?

...this) { return this.w*this.h; } //... //In your Obj-C methods you can call: NSLog(@"%f %f", area(rect), area(circle)); share | improve this answer | follow ...