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Javascript 2021-09-22 04:43:01
sieve of eratosthenes
// C++ program to print all primes smaller than or equal to // n using Sieve of Eratosthenes #include <bits/stdc++.h> using namespace std; void SieveOfEratosthenes(int n) { // Create a boolean array "prime[0..n]" and initialize /... Add solution -
SQL 2021-09-21 19:45:03
org.apache.spark.sql.avro.IncompatibleSchemaException: Unexpected type org.apache.spark.ml.linalg.VectorUDT
# To convert any Vector to an Array[Double] you can use the following UDF: import org.apache.spark.sql.functions.udf import org.apache.spark.sql.functions.col import org.apache.spark.ml.linalg.Vector val vectorToArrayUdf = udf((vector: Vector) => vec... Add solution -
PHP 2021-09-21 19:20:02
define php
//define() is used to create constants define(name,value); //here name has to be a string //here value can be string, integer, float, boolean or NULL, //and can be an array to if you are using PHP 7.0+ //define() before php 7.3 define(name,value,case_in... Add solution -
PHP 2021-09-21 13:37:01
php ping time
<?php $ip_address = '123.456.789.0'; // IP address you'd like to ping. exec("ping -c 1 " . $ip_address . " | head -n 2 | tail -n 1 | awk '{print $7}'", $ping_time); print $ping_time[0]; // First item in array, since exec returns an ... Add solution -
Javascript 2021-09-21 11:43:02
jsx classname multiple
// Using String Templates <div className={`${this.state.className} ${this.props.content.divClassName}}`> ... </div> // OR // Using An Array <div className={[this.state.className, this.props.content.divClassName].join(" ")}> .... Add solution -
VBA 2021-09-21 05:47:06
excel vba ubound on a multidimensional array
'The VBA UBound() function returns the max index of an array. MsgBox UBound(vArr) '<--max index of the first dimension 'There is an optional second argument called rank (that defaults to: 1) 'that specifies the dimension: MsgBox UBound(vArr, 2) ... Add solution
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