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Named routes _path vs _url

...st of the time. _url helpers provide an absolute path, including protocol and server name. I've found that I mainly use these in emails when creating links to the app on the server. They should mainly be used when providing links for external use. (Think email links, RSS, and things like the copy a...
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Is JavaScript an untyped language?

... talked about in one of the above answers - the runtime doesn't tag values and just treats each value as bits. JavaScript does tag values and has different behaviour based on those tags. So JavaScript obviously doesn't fit this category. The other definition is from Programming Language Theory (the ...
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Which is faster: Stack allocation or Heap allocation

...ance out of heap allocation, but that comes with a slight added complexity and its own headaches. Also, stack vs. heap is not only a performance consideration; it also tells you a lot about the expected lifetime of objects. ...
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Chrome Development Tool: [VM] file from javascript

I added a breakpoint in my javascript file (jaydata.js) and was pressing "Step over to the next function call." When it got to a line that was: ...
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How exactly do Django content types work?

...time grasping the concept of Django's content types. It feels very hackish and, ultimately, against how Python tends to do things. That being said, if I'm going to use Django then I have to work within the confines of the framework. ...
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PHP String to Float

I am not familiar with PHP at all and had a quick question. 8 Answers 8 ...
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How do you do a deep copy of an object in .NET? [duplicate]

...nto serialization graph, since BinaryFormatter uses fields via reflection, and events are just fields of delegate types plus add/remove/invoke methods. You can use [field: NonSerialized] on event to avoid this. – Ilya Ryzhenkov Sep 24 '08 at 20:16 ...
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Is there a UIView resize event?

I have a view that has rows and columns of imageviews in it. 7 Answers 7 ...
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“unrecognized selector sent to instance” error in Objective-C

I created a button and added an action for it, but as soon as it invoked, I got this error: 38 Answers ...
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Why do we have to normalize the input for an artificial neural network?

...n MLP [multilayer perceptron], then it is rarely strictly necessary to standardize the inputs, at least in theory. The reason is that any rescaling of an input vector can be effectively undone by changing the corresponding weights and biases, leaving you with the exact same outputs as you ha...