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How do I read from parameters.yml in a controller in symfony2?

...and then - the needed parameter. $this->container->getParameter('api_user'); This documentation chapter explains it. While $this->get() method in a controller will load a service (doc) In Symfony 2.7 and newer versions, to get a parameter in a controller you can use the following: $th...
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Glorified classes in the Java language

... lot of different answers, so I thought it would be useful to collect them all (and add some): Classes AutoBoxing classes - the compiler only allows for specific classes Class - has its own literals (int.class for instance). I would also add its generic typing without creating new instances. Stri...
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How can I declare and define multiple variables in one line using C++?

I always though that if I declare these three variables that they will all have the value 0 10 Answers ...
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Specifying an Index (Non-Unique Key) Using JPA

...Table; @Entity @Table(name = "region", indexes = {@Index(name = "my_index_name", columnList="iso_code", unique = true), @Index(name = "my_index_name2", columnList="name", unique = false)}) public class Region{ @Column(name = "iso_code", nullable = false) priva...
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JavaScript, elegant way to check nested object properties for null/undefined [duplicate]

...e of using the app this gets populated. Let's say somwhere, after an AJAX call or something i do this: 4 Answers ...
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Is it possible to get the iOS 5.1 SDK for Xcode 4.2 on Snow Leopard?

...ered Mar 8 '12 at 6:26 Mick MacCallumMick MacCallum 122k4040 gold badges273273 silver badges274274 bronze badges ...
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gdb: how to print the current line or find the current line number?

...structions- so is tied to assembly concepts. What you are looking for is called de instruction pointer, i.e: The instruction pointer register points to the memory address which the processor will next attempt to execute. The instruction pointer is called ip in 16-bit mode, eip in 32-bit mode,an...
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MySQL Orderby a number, Nulls last

... tablename WHERE visible=1 ORDER BY -position DESC, id DESC It is essentially the inverse of position DESC placing the NULL values last but otherwise the same as position ASC. A good reference is here http://troels.arvin.dk/db/rdbms#select-order_by ...
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C-like structures in Python

...uct(NamedTuple): foo: str bar: int baz: list qux: User my_item = MyStruct('foo', 0, ['baz'], User('peter')) print(my_item) # MyStruct(foo='foo', bar=0, baz=['baz'], qux=User(name='peter')) share ...
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How do I inspect the view hierarchy in iOS?

... I've got: error: cannot find interface declaration for '$__lldb_objc_class' any ideas? (lldb) po [[UIWindow keyWindow] recursiveDescription] error: cannot find interface declaration for '$__lldb_objc_class' error: cannot find interface declaration for '$__lldb_objc_class' error:...