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Git reset --hard and push to remote repository

I had a repository that had some bad commits on it (D, E and F for this example). 5 Answers ...
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Can we have multiple in same ?

... Yes you can use them, for example I use them to more easily style groups of data, like this: thead th { width: 100px; border-bottom: solid 1px #ddd; font-weight: bold; } tbody:nth-child(odd) { background: #f5f5f5; border: solid 1px #ddd; } ...
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How costly is .NET reflection?

...o. I use reflection to dynamically load assemblies (plugins) and its performance "penalty" is not a problem, since the operation is something I do during startup of the application. However, if you're reflecting inside a series of nested loops with reflection calls on each, I'd say you should rev...
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Difference between and ?

Every time I have to add a handler or module for ASP.NET with IIS7, the instructions always tell me to incorporate it into two sections: system.web and system.webserver . ...
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Objective-C Runtime: best way to check if class conforms to protocol?

I have a Class (but no instance) and need to know if it conforms to a certain protocol. However, Class can be subclassed several times and class_conformsToProtocol() ignores protocols declared on superclasses. ...
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Make a link open a new window (not tab) [duplicate]

...s - every modern browser (= the user) has complete control over this behavior because it has been misused a lot in the past... HTML option You can open a new window (HTML4) or a new browsing context (HTML5). Browsing context in modern browsers is mostly "new tab" instead of "new window". You hav...
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How to remove a field from params[:something]

My registration form, which is a form for the Users model, takes a string value for company. However, I have just made a change such that users belongs_to companies. Therefore, I need to pass an object of Company to the Users model. ...
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How to pass argument to Makefile from command line?

...probably shouldn't do this; you're breaking the basic pattern of how Make works. But here it is: action: @echo action $(filter-out $@,$(MAKECMDGOALS)) %: # thanks to chakrit @: # thanks to William Pursell EDIT: To explain the first command, $(MAKECMDGOALS) is the list of "ta...
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What does numpy.random.seed(0) do?

What does np.random.seed do in the below code from a Scikit-Learn tutorial? I'm not very familiar with NumPy's random state generator stuff, so I'd really appreciate a layman's terms explanation of this. ...
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Understanding events and event handlers in C#

...in the context of creating user interfaces. I think this is the prototype for creating an event: 12 Answers ...