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Android: ListView elements with multiple clickable buttons

... For future readers: To select manually the buttons with the trackball use: myListView.setItemsCanFocus(true); And to disable the focus on the whole list items: myListView.setFocusable(false); myListView.setFocusableInTouchMode(false); myListVie...
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What are the key differences between Scala and Groovy? [closed]

...ts instead. Groovy uses the static concept. Scala does not have built in selection of arithmetic operators in quite the way that Groovy does. In Scala you can name methods very flexibly. Groovy has the elvis operator for dealing with null. Scala programmers prefer to use Option types to using n...
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Modify/view static variables while debugging in Eclipse

... Menu. When you click this button a drop down menu is shown where you can select Java -> Show static variables Note: You do not have to restart Eclipse. share | improve this answer ...
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How to Copy Contents of One Canvas to Another Canvas Locally

... are building a website that uses lots of image/canvas operations. // select canvas elements var sourceCanvas = document.getElementById("some-unique-id"); var destCanvas = document.getElementsByClassName("some-class-selector")[0]; //copy canvas by DataUrl var sourceImageData = ...
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Load a WPF BitmapImage from a System.Drawing.Bitmap

... Great! Why don't you select your own answer as the answer to the question? Your's is much better now. – Hallgrim Sep 18 '08 at 21:28 ...
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How to use pull to refresh in Swift?

...ring(string: "Pull to refresh") refreshControl.addTarget(self, action: #selector(self.refresh(_:)), for: .valueChanged) tableView.addSubview(refreshControl) // not required when using UITableViewController } @objc func refresh(_ sender: AnyObject) { // Code to refresh table view } At s...
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What are valid values for the id attribute in HTML?

...id certain characters. Periods, colons and '#' have special meaning in CSS selectors, so you will have to escape those characters using a backslash in CSS or a double backslash in a selector string passed to jQuery. Think about how often you will have to escape a character in your stylesheets or cod...
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How do I read an attribute on a class at runtime?

...>( this Type type, Func<TAttribute, TValue> valueSelector) where TAttribute : Attribute { var att = type.GetCustomAttributes( typeof(TAttribute), true ).FirstOrDefault() as TAttribute; if (att != null) { r...
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What APIs are used to draw over other apps (like Facebook's Chat Heads)?

... like UI animation. A good overview of the detail, including allowing for selective interaction consumption, can be found in this StackOverflow thread. In particular one of the answer links will eventually take you here, which is a good example project. Note that ICS changed how this works a little...
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Retrieve only the queried element in an object array in MongoDB collection

...her answers if you are using a more recent version of MongoDB. The field selector parameter is limited to complete properties. It cannot be used to select part of an array, only the entire array. I tried using the $ positional operator, but that didn't work. The easiest way is to just filter the ...