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How can I return an empty IEnumerable?

...n the following code and the suggestions given in this question , I've decided to modify this original method and ask if there are any values in the IEnumarable return it, if not return an IEnumerable with no values. ...
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Recommended way of getting data from the server

... angular.extend(this, data); } // a static method to retrieve Book by ID Book.get = function(id) { return $http.get('/Book/' + id).then(function(response) { return new Book(response.data); }); }; // an instance method to create a new Book Book.prototype.create = function(...
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iPhone get SSID without private library

...have a commercial app that has a completely legitimate reason to see the SSID of the network it is connected to: If it is connected to a Adhoc network for a 3rd party hardware device it needs to be functioning in a different manner than if it is connected to the internet. ...
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CSS: center element within a element

... text-align:center; background-color:blue; height:400px; width:600px; } .block { height:100px; width:200px; text-align:left; } .center { margin:auto; background-color:green; } .left { margin:auto auto auto 0; background-color:red; } .right ...
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How do I display an alert dialog on Android?

...lly dismissed when a dialog button is clicked. .setPositiveButton(android.R.string.yes, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { // Continue with delete operation } }) // A null listener allows the but...
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transform object to array with lodash

... Jul 10 '14 at 10:53 Daniel SchmidtDaniel Schmidt 9,77144 gold badges3232 silver badges6161 bronze badges ...
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difference between collection route and member route in ruby on rails?

... A member route will require an ID, because it acts on a member. A collection route doesn't because it acts on a collection of objects. Preview is an example of a member route, because it acts on (and displays) a single object. Search is an example of a col...
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How to implement the Android ActionBar back button?

...etty code: public class ServicesViewActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // etc... getActionBar().setDisplayHomeAsUpEnabled(true); } @Override public boolean onOpti...
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C# Lazy Loaded Automatic Properties

... Here's my implementation of a solve to your problem. Basically the idea is a property that will be set by a function at first access and subsequent accesses will yield the same return value as the first. public class LazyProperty<T> { bool _initialized = false; T _result;...
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How can I use optional parameters in a T-SQL stored procedure?

...cedure that will handle this? Let's say I have a table with four fields: ID, FirstName, LastName and Title. I could do something like this: ...