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Numpy index slice without losing dimension information

... It's probably easiest to do x[None, 10, :] or equivalently (but more readable) x[np.newaxis, 10, :]. As far as why it's not the default, personally, I find that constantly having arrays with singleton dimensions gets annoying very quickly. I'd guess the numpy...
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Java 8: performance of Streams vs Collections

...Vanilla.N) public class StreamVsVanilla { public static final int N = 10000; static List<Integer> sourceList = new ArrayList<>(); static { for (int i = 0; i < N; i++) { sourceList.add(i); } } @Benchmark public List<Double> va...
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binning data in python with scipy/numpy

... easier to use numpy.digitize(): import numpy data = numpy.random.random(100) bins = numpy.linspace(0, 1, 10) digitized = numpy.digitize(data, bins) bin_means = [data[digitized == i].mean() for i in range(1, len(bins))] An alternative to this is to use numpy.histogram(): bin_means = (numpy.histo...
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Javascript sort array by two fields

... 104 grouperArray.sort(function (a, b) { var aSize = a.gsize; var bSize = b.gsize; var a...
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How to pass arguments and redirect stdin from a file to program run in gdb?

... | edited Dec 23 '10 at 17:32 answered Dec 23 '10 at 17:21 ...
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Better way to sum a property value in an array

...ay { sum(key) { return this.reduce((a, b) => a + (b[key] || 0), 0); } } const traveler = new TravellerCollection(...[ { description: 'Senior', Amount: 50}, { description: 'Senior', Amount: 50}, { description: 'Adult', Amount: 75}, { description: 'Child', Amount...
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编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...

...活。这行语句会变成对函数_CxxThrowException (函数来自MSVCR100.dll或其他类似版本的dll)的调用。 这个函数有编译器内部构建。你喜欢的话,你可以自己调用它。这个函数的第一个参数是指向抛出的异常对象的指针。 所以,上面的代...
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编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...

...活。这行语句会变成对函数_CxxThrowException (函数来自MSVCR100.dll或其他类似版本的dll)的调用。 这个函数有编译器内部构建。你喜欢的话,你可以自己调用它。这个函数的第一个参数是指向抛出的异常对象的指针。 所以,上面的代...
https://www.tsingfun.com/it/cp... 

编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...

...活。这行语句会变成对函数_CxxThrowException (函数来自MSVCR100.dll或其他类似版本的dll)的调用。 这个函数有编译器内部构建。你喜欢的话,你可以自己调用它。这个函数的第一个参数是指向抛出的异常对象的指针。 所以,上面的代...
https://www.tsingfun.com/it/cp... 

编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...

...活。这行语句会变成对函数_CxxThrowException (函数来自MSVCR100.dll或其他类似版本的dll)的调用。 这个函数有编译器内部构建。你喜欢的话,你可以自己调用它。这个函数的第一个参数是指向抛出的异常对象的指针。 所以,上面的代...