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Creating PHP class instance with a string

... Yes, you can! $str = 'One'; $class = 'Class'.$str; $object = new $class(); When using namespaces, supply the fully qualified name: $class = '\Foo\Bar\MyClass'; $instance = new $class(); Other cool stuff you can do in php are:...
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Pair/tuple data type in Go

While doing the final exercise of the Tour of Go , I decided I needed a queue of ( string , int ) pairs. That's easy enough: ...
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schema builder laravel migrations unique on two columns

How can I set a unique constraints on two columns? 3 Answers 3 ...
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Spring Data JPA find by embedded object property

I want to write a Spring Data JPA repository interface method signature that will let me find entities with a property of an embedded object in that entity. Does anyone know if this is possible, and if so how? ...
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How to limit depth for recursive file list?

Is there a way to limit the depth of a recursive file listing in linux? 4 Answers 4 ...
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Using .otf fonts on web browsers

I'm working on a website that requires font trials online, the fonts I have are all .otf 2 Answers ...
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Extract TortoiseSVN saved password

... Short answer: You can use TortoiseSVN Password Decrypter to easily display your cached credentials, including passwords. Long answer: Here's how the tool works. The credentials are saved in subdirectories of %APPDATA%\Subversion\auth\. Lis...
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Naming convention for unique constraint

...g conventions are important, and primary key and foreign key have commonly used and obvious conventions ( PK_Table and FK_Table_ReferencedTable , respectively). The IX_Table_Column naming for indexes is also fairly standard. ...
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How can I create a Set of Sets in Python?

I'm trying to make a set of sets in Python. I can't figure out how to do it. 5 Answers ...
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Python's “in” set operator

I'm a little confused about the python in operator for sets. 5 Answers 5 ...