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The type or namespace name 'Objects' does not exist in the namespace 'System.Data'

... Server to create an n-tier app. I am creating some base classes common to all my DAL components. In this base class, i want to handle the connection state of the ObjectContext base class inherited by entities object. ...
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Python append() vs. + operator on lists, why do these give different results?

...quences) by concatenating the element. The append-method however does literally what you ask: append the object on the right-hand side that you give it (the array or any other object), instead of taking its elements. An alternative Use extend() if you want to use a function that acts similar to the ...
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What does -> mean in Python function definitions?

... And the information is available as a .__annotations__ attribute. – Martijn Pieters♦ Jan 17 '13 at 13:06 9 ...
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Verify version of rabbitmq

...tead on Archlinux - [{rabbit,34362},{rabbitmqctl23794,40359}] though I installed rabbitmq 3.1.3-1 :) – Sian Lerk Lau Dec 3 '13 at 6:18 1 ...
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How to create fixed space and flexible space bar button items programmatically?

I want to create UIBarButtonItems programmatically and place these fixed space items between buttons. 7 Answers ...
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Javascript heredoc

...plicable if you just wanted multi-line strings. However, since you can't really change the symbol that encloses your string, it's not really heredoc. – Peeyush Kushwaha Apr 23 '16 at 9:14 ...
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What exactly does += do in python?

... In Python, += is sugar coating for the __iadd__ special method, or __add__ or __radd__ if __iadd__ isn't present. The __iadd__ method of a class can do anything it wants. The list object implements it and uses it to iterate over an iterable object appending each...
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Using PHP with Socket.io

...t there are some ways to implement WebSockets. There is this jQuery plugin allowing you to use Websockets while gracefully degrading for non-supporting browsers. On the PHP side, there is this class which seems to be the most widely used for PHP WS servers. ...
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What's the yield keyword in JavaScript?

...O. The function containing the yield keyword is a generator. When you call it, its formal parameters are bound to actual arguments, but its body isn't actually evaluated. Instead, a generator-iterator is returned. Each call to the generator-iterator's next() method performs another pass through ...
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Default template arguments for function templates

Why are default template arguments only allowed on class templates? Why can't we define a default type in a member function template? For example: ...