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How do I convert a String object into a Hash object?

... The string created by calling Hash#inspect can be turned back into a hash by calling eval on it. However, this requires the same to be true of all of the objects in the hash. If I start with the hash {:a => Object.new}, then its string represen...
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Migration: Cannot add foreign key constraint

...signed(); $table->string('priority_name'); $table->smallInteger('rank'); $table->text('class'); $table->timestamps('timecreated'); }); Schema::table('priorities', function($table) { $table->foreign('user_id')->references('id')->on('...
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Can we define implicit conversions of enums in c#?

... Isn't it basically re-implemented Java enum? – Agent_L Mar 21 '16 at 15:20 2 ...
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Making a property deserialize but not serialize with json.net

... There are actually several fairly simple approaches you can use to achieve the result you want. Let's assume, for example, that you have your classes currently defined like this: class Config { public Fizz ObsoleteSetting { get; set;...
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Proper Repository Pattern Design in PHP?

...te a complete example of a basic controller for viewing and editing Users. All code must be fully testable and mockable. The controller should have no idea where the data is stored (meaning it can be changed). Example to show a SQL implementation (most common). For maximum performance, controllers s...
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Does Dart support enumerations?

...ase Fruit.apple: print('it is an apple'); break; } // get all the values of the enums for (List<Fruit> value in Fruit.values) { print(value); } // get the second value print(Fruit.values[1]); } The old approach before 1.8: class Fruit { static const APPLE =...
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How can I get the current screen orientation?

...lues ORIENTATION_PORTRAIT and ORIENTATION_LANDSCAPE. Is there a way to get all the four values from ActivityInfo? (That is LANDSCAPE_REVERSE and PORTRAIT_REVERSE as well) – HRJ May 4 '11 at 9:56 ...
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How do you read a file into a list in Python? [duplicate]

...each line might have. When the with ends, the file will be closed automatically for you. This is true even if an exception is raised inside of it. 2. use of list comprehension This could be considered inefficient as the file descriptor might not be closed immediately. Could be a potential issue wh...
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Why are unnamed namespaces used and what are their benefits?

...ng directive already took place. This means you can have free functions called (for example) help that can exist in multiple translation units, and they won't clash at link time. The effect is almost identical to using the static keyword used in C which you can put in in the declaration of identif...
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Can I extend a class using more than 1 class in PHP?

... Answering your edit : If you really want to fake multiple inheritance, you can use the magic function __call(). This is ugly though it works from class A user's point of view : class B { public function method_from_b($s) { echo $s; } } c...