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histogram >>> a = numpy.arange(5) >>> hist, bin_edges = numpy.histogram(a,density=False) >>> hist, bin_edges (array([1, 0, 1, 0, 0, 1, 0, 1, 0, 1], dtype=int64), array([ 0. , 0.4, 0.8, 1.2, 1.6,... 阅读全文
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npm install -g karma npm install –g karma-cli Install the plugins (optional) # Install plugins that your project needs: npm install karma-jasmine karma-chrome-launcher --save-dev... 阅读全文
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npm rm -g bowernpm cache cleannpm i -g bower 阅读全文
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function Foo(a, b) { this.a = a; this.b = b; // simulate getter via valueOf and toString method this.sum = { valueOf: function () { return a + b }, toStr... 阅读全文
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using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;namespace ConsoleApplication1{ class Program { static void Main(string[] arg... 阅读全文
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function classof(o) { if (null == o) return 'Null'; if (undefined == o) return 'Undefined'; return Object.prototype.toString.call(o).slice(8, -1);}classof([]);classof({});classof(Date);classo... 阅读全文
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function factorial(n) { if (isFinite(n) && n > 0 && n == Math.round(n)) { // 有限的正整数 if (!(n in factorial)) // 没有缓存结果 factorial[n] = n * factorial(n - 1)... 阅读全文
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Private Const MAX_PATH As Long = 260Private Declare Function GetTempPath Lib "kernel32" Alias "GetTempPathA" (ByVal nSize As Long, ByVal lpBuffer As String) As Long Public Function GetTempDir() As St... 阅读全文
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Problem description: The problem may happen when UAC is enabled, it is usually because of the insufficient right to delete the registry key. Solution: 1. Run installer in command prompt as administra... 阅读全文
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using System;using System.Collections.Generic;namespace StrToInt_CS{ class Program { static void Main(string[] args) { string str = ""; while (!String.Is... 阅读全文