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Difference between Python's Generators and Iterators

...quite clear conceptually: If you create your own iterator, it is a little bit involved - you have to create a class and at least implement the iter and the next methods. But what if you don't want to go through this hassle and want to quickly create an iterator. Fortunately, Python provides a shor...
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Scala: write string to file in one statement

... +1 Works great. The Some/foreach combo is a bit funky, but it comes with the benefit of no try/catch/finally. – Brent Faust Mar 1 '13 at 2:33 3 ...
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ASP.NET MVC Razor pass model to layout

... Seems like you have modeled your viewmodels a bit wrong if you have this problem. Personally I would never type a layout page. But if you want to do that you should have a base viewmodel that your other viewmodels inherits from and type your layout to the base viewmode...
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How to list out all the subviews in a uiviewcontroller in iOS?

... I'm a bit late to the party, but a bit more general solution: @implementation UIView (childViews) - (NSArray*) allSubviews { __block NSArray* allSubviews = [NSArray arrayWithObject:self]; [self.subviews enumerateObjectsU...
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In C#, why is String a reference type that behaves like a value type?

...ting strings would break all sorts of things: the stack is only 1MB for 32-bit and 4MB for 64-bit, you'd have to box each string, incurring a copy penalty, you couldn't intern strings, and memory usage would balloon, etc... (Edit: Added clarification about value type storage being an implementation...
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How do I declare a namespace in JavaScript?

... helpful either if you want to be able to reorder your script inclusions arbitrarily without breaking your code, or if you want to load scripts asynchronously with the async attribute and so have no guarantee about execution order. See stackoverflow.com/questions/6439579/… – ...
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Is it good practice to use java.lang.String.intern()?

...y expensive. It has to manage the pool of unique strings so it does a fair bit of work (even if the string has already been internalized). So, be careful in your code design so that you e.g., intern() all appropriate strings on input so you don't have to worry about it anymore. (from JGuru) Third ...
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Understanding FFT output

... Nice answer, thanks! Sorry that I'm a bit late to the party, but perhaps you could answer me what unit the magnitude of the frequency (as mentioned by you in point 1) is, in general? In my case, on a signal of values from an accelerometer (is m/s^2). I can't quit...
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python pandas: apply a function with arguments to a series

...ools.partial(operator.add,3) >>> add_3(2) 5 >>> add_3(7) 10 You can also pass keyword arguments using partial. Another way would be to create a lambda: my_series.apply((lambda x: your_func(a,b,c,d,...,x))) But I think using partial is better. ...
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Dealing with “Xerces hell” in Java/Maven?

...roblem at some point. Unfortunately, understanding the problem requires a bit of knowledge about the history of Xerces... ...