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What is the difference between `let` and `var` in swift?

...This is not immediately obvious from basic examples involving integers and strings. – SaltyNuts Apr 27 '15 at 15:56  |  show 12 more comments ...
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How to delete and replace last line in the terminal using bash?

...anything, just puts the cursor at the beginning of the line. So if the new string is shorter than the old one you can see the leftover text at the end of the line. In the end tput was the best way to go. It has other uses besides the cursor stuff plus it comes pre-installed in many Linux & BSD d...
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Convert base class to derived class [duplicate]

... { get; set; } } class B { public int IntProp { get; set; } public string StrProp { get; set; } } In global.asax or application startup: AutoMapper.Mapper.CreateMap<A, B>(); Usage: var b = AutoMapper.Mapper.Map<B>(a); It's easily configurable via a fluent API. ...
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NameValueCollection vs Dictionary [duplicate]

... NameValueCollection is string typed whereas Dictionary leverages generics to allow type variance. See Benefits of Generics. share | improve this a...
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Why can a class not be defined as protected?

...tedMain { private static class Inner { public static void main(String[] args) { System.out.println("Hello from Inner!"); } } } Now what if "protected class foo" allow ? protected main characteristic is subclass, so the outer(package) SHOULD(due to up-to scope, b...
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What is the difference between URI, URL and URN? [duplicate]

... Uniform Resource Identifier (URI) is a string of characters used to identify a name or a resource on the Internet A URI identifies a resource either by location, or a name, or both. A URI has two specializations known as URL and URN. A Uniform Resource Locator (...
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Populate data table from data reader

... { SqlConnection conn = null; try { string connString = ConfigurationManager.ConnectionStrings["NorthwindConn"].ConnectionString; conn = new SqlConnection(connString); string query = "SELECT * FROM Customers"; SqlCommand cmd ...
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How to define multiple CSS attributes in jQuery?

...re any syntactical way in jQuery to define multiple CSS attributes without stringing everything out to the right like this: ...
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Uri to default sound notification?

....parse(PreferenceManager.getDefaultSharedPreferences(this). getString("pref_tone", "content://settings/system/notification_sound")); mBuilder.setSound(uri); share | improve this answer ...
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Simple state machine example in C#?

... } } public class Program { static void Main(string[] args) { Process p = new Process(); Console.WriteLine("Current State = " + p.CurrentState); Console.WriteLine("Command.Begin: Current State = " + p.MoveNext(Command.Begin));...