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Is a statically-typed full Lisp variant possible?

...ure is what makes Lisp so good at handling symbolic computation, ASTs, and transforming Lisp code itself! So how would you model such a structure in a statically typed language? Let's try it in Haskell, which has an extremely powerful and precise static type system: type Symbol = String data Atom ...
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How to calculate moving average using NumPy?

...st (moving window functions) is perhaps because the exponentially-weighted transforms don't rely on a fixed-length window share | improve this answer | follow ...
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WiX tricks and tips

... light or candle. UPDATE 4: Support for Multiple Instances using instance transforms is in WiX 3.0+, definitely also worth a look. share edited May 23 '17 at 10:31
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Why shouldn't all functions be async by default?

...actice, they never are. Let me give you three points against this sort of transformation followed by an optimization pass. First point again is: async in C#/VB/F# is essentially a limited form of continuation passing. An enormous amount of research in the functional language community has gone int...
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How to design a product table for many kinds of product where each product has many parameters

...sing your raw EAV data to a process in a language which can deal with data transformations, lookups in a tree structure or any basic map reduce operations really quickly and in a memory efficient way. The specifics here would depend on what needs to be optimised – Pawel Barcik...
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xkcd style graphs in MATLAB

...huis' solution). The second way is to create a non-jittery plot, and use imtransform to apply a random distortion to the image. This has the advantage that you can use it with any plot, but you will end up with an image, not an editable plot. I'll show #2 first, and my attempt at #1 below (if you l...
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Getting started with Haskell

...eat coverage of this. To complete your monad training learning about monad transformers is a must. These let you combine different types of Monads (such as a Reader and State monad) into one. This may seem useless to begin with, but after using them for a while you will wonder how you lived without ...
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android ellipsize multiline textview

... // 由于我们大多数情况下workingText为中文,所以按照之前逻辑找空格是不合适 // 这里改成直接替换最后字符 workingText = workingText.substring(0, workingText.length() - 1 - 1); } – chengbo Oct 31 '11 ...
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Java 8 Iterable.forEach() vs foreach loop

...of calling lambdas (which is small), but to the sophisticated analysis and transformation that the modern JIT compiler performs on running code. If you do need parallelism, it is probably much faster and not much more difficult to use an ExecutorService. Streams are both automagical (read: don't k...
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.a: error adding symbols: File format not recognized 原因 - 操作系统(...

...版本Linux/GCC上编译工程时链接了高版本Linux/GCC上编译出来库文件,导致不能识别报错。 一般地,高版本可以链接成功低版本,反之则不能。