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import { useState, useEffect } from 'react' | |
import axios, { CancelToken } from 'axios' | |
export default function useFetch (options) { | |
const [data, setData] = useState(null) | |
const [isLoading, setIsLoading] = useState(false) | |
const [error, setError] = useState(null) | |
useEffect(_ => { | |
const source = CancelToken.source(); |
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class Queue { | |
constructor() { | |
this.items = []; | |
} | |
isEmpty() { | |
return this.items.length == 0; | |
} |
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class Stack { | |
constructor() { | |
this.items = []; | |
this.top = null; | |
} | |
getTop() { | |
if (this.items.length == 0) | |
return null; | |
return this.top; |
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class Node { | |
constructor (data) { | |
this.data = data | |
this.nextNode = null | |
} | |
} | |
class LinkedList { | |
constructor(){ |
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#!/usr/bin/env ruby | |
require 'rubygems' | |
require 'bundler/setup' | |
require 'csv' | |
require "pathname" | |
require "http" |
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#!/usr/bin/env ruby | |
require 'rubygems' | |
require 'bundler/setup' | |
require 'csv' | |
require "pathname" | |
require "em-http-request" | |
require "date" |
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package com.zaingz.test; | |
import java.util.LinkedList; | |
import java.util.Queue; | |
public class NestedArrays { | |
public static void main(String[] args) { | |
//sample for this output [[1,2,[3]],4] -> [1,2,3,4] | |
Object[] objArr = new Object[2]; |
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def update_file(file_name, incl) | |
file = File.open(file_name, "r") | |
data = file.read | |
file.close | |
unless data.include? "#ifndef" | |
final_data = "#ifndef #{incl}\n#define #{incl}\n#{data}\n#endif\n/*Include guards add by Zain*/" | |
file = File.open(file_name, "w+") | |
file.write(final_data) | |
file.close |