function

问题 This question already has answers here : How does this recursion work? (11 answers) Closed last month . function findSolution(target) { function find(current, history) { if (current == target) {debugger; return history; } else if (current > target){ debugger; return null; } else{ debugger; return find(current + 5, "(" + history + " + 5)") || find(current * 3, "(" + history + " * 3)"); } } debugger; return find(1, "1"); } console.log(findSolution(13)); During it's working after it reaches find

问题 This question already has answers here : How does this recursion work? (11 answers) Closed last month . function findSolution(target) { function find(current, history) { if (current == target) {debugger; return history; } else if (current > target){ debugger; return null; } else{ debugger; return find(current + 5, "(" + history + " + 5)") || find(current * 3, "(" + history + " * 3)"); } } debugger; return find(1, "1"); } console.log(findSolution(13)); During it's working after it reaches find

问题 I have a set of data: 10.28;3.615758755 60.12;3.409846973 87.24;2.360958276 92.37;2.288513587 130.87;1.940551693 164.01;1.770745686 215.87;1.60957984 245.42;1.548268275 251.26;1.53780944 252.14;1.536289363 261.74;1.520210896 384.91;1.385778494 458.68;1.339844772 492.59;1.323331777 600.94;1.281642094 6480.17;1.116976869 849.37;1.229511285 941.5;1.216845459 1280.98;1.185881122 1395.94;1.178804247 1470.04;1.180831814 1500.85;1.179158477 1861.04;1.15910996 2882.22;1.138164332 2997.18;1.136701833

问题 BACKGROUND: Hello, i am newbie to react and currently building an application which has datatables . PROBLEM: It runs on the local machine(pc) perfectly but when i use the same code in codesandbox then i get TypeError: this.$el.DataTable is not a function. I have tried using datatable & jquery cdns inside the index.html file but it doesn't have any effect. Any hint ,suggestion would be helpful, thanks in advance. CODE : https://codesandbox.io/embed/jjwx6n2r93 回答1: There were two issues in

问题 This question already has answers here : Return array with single element in PowerShell (2 answers) How do I force a function to return a single element array instead of the contained object? (2 answers) How can I force Powershell to return an array when a call only returns one object? (7 answers) Closed 1 year ago . How can i force a Powershell function to return an Array? This simple function for Example, if "C:\New folder" contains only 1 element, it will not return an Array. function Get

问题 This question already has answers here : Why doesn't a sub-function inherit scope in Python? (2 answers) Closed 3 years ago . This script defines a variable inside main() , but the variable isn't available to func() , which runs inside main() . Why is that? #!/usr/bin/env python3 # vars_in_func.py # Test script for variables within a function. def func(): print(greeting) def main(): greeting = "Hello world" func() main() Error: Traceback (most recent call last): File "./vars_in_func.py", line

问题 I'm wondering why, when running my below using: bb(d = c(dnorm, dcauchy) ) I get an error saying: object 'c(dnorm, dcauchy)' not found ? P.S. But as I show below, the function has no problem with bb(d = c(dnorm)) . bb <- function(d){ d <- if(is.character(d)) d else deparse(substitute(d)) h <- numeric(length(d)) for(i in 1:length(d)){ h[i] <- get(d[i])(1) ## is there something about `get` that I'm missing? } h } # Two Examples of Use: bb(d = dnorm) # Works OK bb(d = c(dnorm, dcauchy) ) # Error

问题 def start(B): wordlist = [] for w in B: content = w words = content.lower().split() for each_word in words: wordlist.append(each_word) print(each_word) return(wordlist) When I call list 'wordlist' it returns that there isn't anything inside the list. How do I get the list to be callable outside of the function since it works inside the function. EDIT: Thank you I have updated the code to reflect the mistake I was making using a print tag instead of a return tag. 回答1: def start(B): wordlist =

问题 I'm wondering why, when running my below using: bb(d = c(dnorm, dcauchy) ) I get an error saying: object 'c(dnorm, dcauchy)' not found ? P.S. But as I show below, the function has no problem with bb(d = c(dnorm)) . bb <- function(d){ d <- if(is.character(d)) d else deparse(substitute(d)) h <- numeric(length(d)) for(i in 1:length(d)){ h[i] <- get(d[i])(1) ## is there something about `get` that I'm missing? } h } # Two Examples of Use: bb(d = dnorm) # Works OK bb(d = c(dnorm, dcauchy) ) # Error

问题 I'm attempting to make a function that will allow me to popup a please wait message run some more script then close the popup Function Popup-Message { param ([switch]$show,[switch]$close) Add-Type -AssemblyName System.Windows.Forms # Build Form $objForm = New-Object System.Windows.Forms.Form $objForm.Text = "Test" $objForm.Size = New-Object System.Drawing.Size(220,100) # Add Label $objLabel = New-Object System.Windows.Forms.Label $objLabel.Location = New-Object System.Drawing.Size(80,20)