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Cleaner way to update nested structures

...scalaz.TreeLoc). It turns out that the structure of the zipper is automatically derivable from the original data structure, in a manner that resembles symbolic differentiation of an algebraic expression. But how does this help you with your Scala case classes? Well, Lukas Rytz recently prototyped a...
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Localization of DisplayNameAttribute

... I looked all over before finding this page... this is such a life saver. Thanks! Works good on MVC5 for me. – Kris Apr 20 '18 at 14:42 ...
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Is there a way to detect if an image is blurry?

... Unless your image is cyclic, you will usually have sharp edges at the borders of the image that lead to very high frequencies – Niki Oct 14 '11 at 11:04 ...
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What Makes a Good Unit Test? [closed]

...ng lots of automated tests and that you also have run into some common pitfalls when unit testing. 18 Answers ...
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How to detect if app is being built for device or simulator in Swift

... ... #endif After Swift 4.1 version Latest use, now directly for all in one condition for all types of simulators need to apply only one condition - #if targetEnvironment(simulator) // your simulator code #else // your real device code #endif For more clarification, you can check S...
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What are the differences between django-tastypie and djangorestframework? [closed]

... EDIT Outdated answer, tastypie is not really maintained anymore. Use Django REST framework if you have to choose a framework to do REST. For an overview about the actual differences between both of them you should read their documentation. They are both more or le...
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How do I add a margin between bootstrap columns without wrapping [duplicate]

... Sep 25 '13 at 17:00 Charles IngallsCharles Ingalls 4,22755 gold badges2020 silver badges3232 bronze badges ...
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How do I expand a tuple into variadic template function's arguments?

... Here's my code if anyone is interested Basically at compile time the compiler will recursively unroll all arguments in various inclusive function calls <N> -> calls <N-1> -> calls ... -> calls <0> which is the last one and the compiler will o...
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Get nth character of a string in Swift programming language

...ng a linear loop inside another linear loop means this for loop is accidentally O(n2) — as the length of the string increases, the time this loop takes increases quadratically. Instead of doing that you could use the characters's string collection. – ignaciohugog ...
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Useful GCC flags for C

Beyond setting -Wall , and setting -std=XXX , what other really useful, but less known compiler flags are there for use in C? ...