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How do I test a file upload in rails?

...ing to make it available on SO. The rails framework has a function fixture_file_upload (Rails 2 Rails 3, Rails 5), which will search your fixtures directory for the file specified and will make it available as a test file for the controller in functional testing. To use it: 1) Put your file to be ...
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Is there a JavaScript / jQuery DOM change listener?

Essentially I want to have a script execute when the contents of a DIV change. Since the scripts are separate (content script in the Chrome extension & webpage script), I need a way simply observe changes in DOM state. I could set up polling but that seems sloppy. ...
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How to set cornerRadius for only top-left and top-right corner of a UIView?

...WillLayoutSubviews() { super.viewWillLayoutSubviews() // Call the roundCorners() func right there. theView.roundCorners(corners: [.topLeft, .topRight], radius: 30) } } share | ...
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What is the difference between gsub and sub methods for Ruby Strings

I have been perusing the documentation for String today, and I saw the :sub method, which I'd never noticed before. I've been using :gsub and it appears that they are essentially the same. Can anyone explain the difference to me? Thanks! ...
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Correct way to use get_or_create?

...f the fields have to be included in defaults. In case CREATE event occurs, all the fields are taken into consideration. It looks like you need to be returning into a tuple, instead of a single variable, do like this: customer.source,created = Source.objects.get_or_create(name="Website") ...
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A generic list of anonymous class

... Here is the answer. string result = String.Empty; var list = new[] { new { Number = 10, Name = "Smith" }, new { Number = 10, Name = "John" } }.ToList(); foreach (var item in list) { result += String.Format("Name={0}, Number={1}\n...
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python: SyntaxError: EOL while scanning string literal

I have the above-mentioned error in s1="some very long string............" 15 Answers ...
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Can I call jquery click() to follow an link if I haven't bound an event handler to it with bind

...ger() and window.location also, and I can make it work as intended with all three. 10 Answers ...
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How to bundle a native library and a JNI library inside a JAR?

...m.load(File) to load the library instead of the typical System.loadLibrary(String) which searches the java.library.path system property. This method makes installation much simpler as the user does not have to install the JNI library on his system, at the expense, however, that all platforms might n...
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How to create a generic array in Java?

...ill not work if the array is treated as a typed array of any kind, such as String[] s=b; in the above test() method. That's because the array of E isn't really, it's Object[]. This matters if you want, e.g. a List<String>[] - you can't use an Object[] for that, you must have a List[] specifi...