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ReactJS state vs prop

... going back and forth as to how to structure a ReactJS component as complexity grows and could use some direction. 6 Answe...
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How can I connect to Android with ADB over TCP? [closed]

...connecting to the device via USB. My development server is a Windows 7 64-bit VM running in Hyper-V , and so I cannot connect directly via USB in the guest or from the host. ...
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How do I make an HTML text box show a hint when empty?

I want the search box on my web page to display the word "Search" in gray italics. When the box receives focus, it should look just like an empty text box. If there is already text in it, it should display the text normally (black, non-italics). This will help me avoid clutter by removing the label....
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Submit form using a button outside the tag

...e the form attribute to do this. As far as I know, you cannot do this without javascript. Here's what the spec says The elements used to create controls generally appear inside a FORM element, but may also appear outside of a FORM element declaration when they are used to build user in...
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How to query as GROUP BY in django?

...follow | edited Feb 17 '17 at 14:47 jb. 19k1515 gold badges8585 silver badges129129 bronze badges ...
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Regular expression to check if password is “8 characters including 1 uppercase letter, 1 special cha

...d a nightmare to maintain especially for people who are not that familiar with regular expressions. I think it would be easier to break your regex down and do it one bit at a time. It might take a bit more to do, but I am pretty sure that maintaining it and debugging it would be easier. This would ...
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application/x-www-form-urlencoded or multipart/form-data?

...nly able to upload files if multipart/form-data is used. Is there any additional guidance when to use one of the encoding types in an API context (no browser involved)? This might e.g. be based on: ...
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How can I test that a value is “greater than or equal to” in Jasmine?

...follow | edited Jun 4 '19 at 22:43 answered Sep 9 '15 at 9:02 ...
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Pros and cons of Java rules engines [closed]

...t system might involve code to calculate a discount: if (product.quantity > 100 && product.quantity < 500) { product.discount = 2; } else if (product.quantity >= 500 && product.quantity < 2000) { product.discount = 5; } else if (product.quantity >= 2000) { p...
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Attempt to present UIViewController on UIViewController whose view is not in the window hierarchy

... I had an issue where I was attempting to present a modal view controller within the viewDidLoad method. The solution for me was to move this call to the viewDidAppear: method. My presumption is that the view controller's view is not in the window's view hierarchy at the point that it has been load...