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How do I know if a generator is empty from the start?

..., there is no simple way. There are a whole lot of work-arounds. There really shouldn't be a simple way, because of what generators are: a way to output a sequence of values without holding the sequence in memory. So there's no backward traversal. You could write a has_next function or maybe eve...
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How to re-create database for Entity Framework?

...ed, if so, right click and delete. 2 )Go to Solution Explorer, click show All Files icon. 3) Go to App_Data, right click and delete all ".mdf" files for this project. 4) Delete Migrations folder by right click and delete. 5) Go to SQL Server Management Studio, make sure the DB for this project i...
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How do I create an abstract base class in JavaScript?

...l value instead of an object so as to continue application execution, it really depends on your implementation. This, in my opinion, is the correct way to implement abstract JS "classes". – dudewad Jan 18 '16 at 21:36 ...
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Google Maps: how to get country, state/province/region, city given a lat/long value?

... What you are looking for is called reverse geocoding. Google provides a server-side reverse geocoding service through the Google Geocoding API, which you should be able to use for your project. This is how a response to the following request would look ...
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Scala: What is a TypeTag and how do I use it?

All I know about TypeTags is that they somehow replaced Manifests. Information on the Internet is scarce and doesn't provide me with a good sense of the subject. ...
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Generic type conversion FROM string

...es" for another class. These properties simply have a name and a value. Ideally, what I would like is to be able to add typed properties, so that the "value" returned is always of the type that I want it to be. ...
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ADB Shell Input Events

..." 3 --> "KEYCODE_HOME" 4 --> "KEYCODE_BACK" 5 --> "KEYCODE_CALL" 6 --> "KEYCODE_ENDCALL" 7 --> "KEYCODE_0" 8 --> "KEYCODE_1" 9 --> "KEYCODE_2" 10 --> "KEYCODE_3" 11 --> "KEYCODE_4" 12 --> "KEYCODE_5" 13 --> "KEYCODE_6" 14 --> "KEYCODE_7" 1...
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Google Maps API v3: How to remove all markers?

In Google Maps API v2, if I wanted to remove all the map markers, I could simply do: 31 Answers ...
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$(document).ready equivalent without jQuery

...ent if ( document.addEventListener ) { // Use the handy event callback document.addEventListener( "DOMContentLoaded", function(){ document.removeEventListener( "DOMContentLoaded", arguments.callee, false ); jQuery.ready(); }, false ); // If IE...
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printf format specifiers for uint32_t and size_t

...ng size_t to be the same as unsigned long (possibly 64 bits) when it's actually an unsigned int (32 bits). Try using %zu in both cases. I'm not entirely certain though. share | improve this answer ...