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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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Intellij idea subversion checkout error: `Cannot run program “svn”`

...command line client is the right answer here. Note that on windows default selections for installation of TortoisSVN do not include the command line client. – dbrin Oct 3 '14 at 20:55 ...
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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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UnicodeEncodeError: 'latin-1' codec can't encode character

...t. They map exactly to the Unicode characters U+0080–U+009F, which are a selection of control characters. They're control characters that aren't used very much which is why browsers got away with it, but it's annoying when you are trying to convert a sequences of bytes-as-Unicode. ...
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Css pseudo classes input:not(disabled)not:[type=“submit”]:focus

...and you seem to have mixed up/missing colons and parentheses on the :not() selector. Demo: http://jsfiddle.net/HSKPx/ One thing to note: I may be wrong, but I don't think disabled inputs can normally receive focus, so that part may be redundant. Alternatively, use :enabled input:enabled:not([typ...
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LINQ Distinct operator, ignore case?

..."One", "Two", "Three", "three", "Four", "Five" }; var z = (from x in list select new { item = x.ToLower()}).Distinct(); z.Dump(); share | improve this answer | follow ...
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How to pass prepareForSegue: an object

...ntifier:sender: method to activate the transition to a new view based on a selection or button press. For instance, consider I had two view controllers. The first contains three buttons and the second needs to know which of those buttons has been pressed before the transition. You could wire t...
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In eclipse, unable to reference an android library project in another android project

...on of this 'Is Library' checkbox. It's not intuitive that this is actually selecting the target of the current app/library build and not an option switch for the libraries to be included. – EtienneSky May 16 '12 at 6:42 ...
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What are the differences between numpy arrays and matrices? Which one should I use?

...nces between matrix objects and ndarrays (having to do with np.ravel, item selection and sequence behavior). The main advantage of numpy arrays is that they are more general than 2-dimensional matrices. What happens when you want a 3-dimensional array? Then you have to use an ndarray, not a matrix ...