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List of Rails Model Types

...ting a migration etc car:references comes in very handy for creating a car_id foreign key. – BKSpurgeon Jul 25 '16 at 22:46 1 ...
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Fill SVG path element with a background-image

... do it by making the background into a pattern: <defs> <pattern id="img1" patternUnits="userSpaceOnUse" width="100" height="100"> <image href="wall.jpg" x="0" y="0" width="100" height="100" /> </pattern> </defs> Adjust the width and height according to your ima...
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How to prevent a dialog from closing when a button is clicked

... EditText for input. When I click the "yes" button on dialog, it will validate the input and then close the dialog. However, if the input is wrong, I want to remain in the same dialog. Every time no matter what the input is, the dialog should be automatically closed when I click on the "no" button...
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How can I display an RTSP video stream in a web page?

I have an ip camera which provides a live RTSP video stream. I can use VLC media player to view the feed by providing it with the URL: ...
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How can i query for null values in entity framework?

... microsoft... really?!?!? In version 4.1?!?! +1 – David Aug 1 '11 at 18:00 1 That Linq-To-SQL wor...
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HTTPURLConnection Doesn't Follow Redirect from HTTP to HTTPS

...cause he's using HTTP. But if his client follows HTTPS without asking, his identity is revealed to the server. share | improve this answer | follow | ...
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How do I integrate Ajax with Django applications?

... because I had the same trouble when I started, so I'll give you a quick guide. Obviously you don't understand the principles behind them (don't take it as an offense, but if you did you wouldn't be asking). Django is server-side. It means, say a client goes to a URL, you have a function inside vi...
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How do you make an element “flash” in jQuery

...tica; background: IndianRed; height: 50px; line-height: 50px; width: 150px; } <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> <button onclick="go1()">Click Me</button> <div id='demo1'>My Element</div> <...
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android asynctask sending callbacks to ui [duplicate]

I have the following asynctask class which is not inside the activity. In the activity I'm initializing the asynctask, and I want the asynctask to report callbacks back to my activity. Is it possible? Or does the asynctask must be in the same class file as the activity? ...
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How to dismiss keyboard for UITextView with return key?

...e to add only one line of text, use a UITextField. Hitting the return and hiding the keyboard for a UITextView does not follow the interface guidelines. Even then if you want to do this, implement the textView:shouldChangeTextInRange:replacementText: method of UITextViewDelegate and in that check i...