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$array = range(1, 10000);function test1($array){ return $array;}function test2($array){ return $array;}$start = microtime(true);for ($i=0; $i Output Result:Cost 5.5163149833679Cost 6.3323628902435Although the gap is not big Reply content: $array = range(1, 10000);function test1($array){ return $array;}function test2($array){ return $array;}$start = microtime(true);for ($i=0; $i Output Result:Cost 5.5163149833679Cost 6.3323628902435Although the gap is not big The copy needs to

bubble sort (array sort)functionBubble_sort ($array){ $count=Count($array); if($countreturn false; for($i= 0;$i$count;$i++){ for($j=$count-1;$j>$i;$j--){ if($array[$j] $array[$j-1]){ $tmp=$array[$j]; $array[$j] =$array[$j-1]; $array[$j-1] =$tmp; } } } return $array;}Quick Sort (array sort)functionQuicksort$array) { if(Count($array) return $array; $key=$array[0]; $left _arr=Array(); $right _arr=Array(); for($i= 1;$iCount($array);$i++){

The theoretical knowledge is boring, but these are basic skills and may be forgotten after learning. However, when used, we will find that the previous learning is very meaningful, and the learning thread is like this. 1. how to Create a lock? Lock lock = new ReentrantLock (); 2. How to Use the Lock? See the Lock document. The format is as follows: class X {private final ReentrantLock lock = new ReentrantLock ();//... public void m () {lock. lock ();

1 First Open " mobile phone Tencent video ", came to my page click " member " to see how much you have the right to receive tablets and click to enter. (pictured below) 2 then click on " pick a movie to give a friend" to choose the movie or TV show or other film you want to give away. (pictured below) 3 After the selection we can see the page has a "gift pi

1. Create a new pptfile or open a pptfile, as shown in the following figure.2. Click "Insert"-"" Film and Sound "in the menu bar of the ppt, and select the pptfile to be inserted, as shown in the figure below.3. Find the "video file" you want to add to the ppt and click "OK.4. Click settings in the pop-up window.5. After entering the ppt, we can enter the video, for e

Build a Web site new generic handler directly paste code:Using System;Using System.Collections.Generic;Using System.Linq;Using System.Web;Using System.Web.SessionState;Using System.Drawing;Using System.Text;Using System.Drawing.Imaging;Namespace Handlerstudy{Summary description of ImageHandlerpublic class Imagehandler:ihttphandler,irequiressessionstate{public void ProcessRequest (HttpContext context){Context. Response.ContentType = "Image/gif";Bitmap

Question: Please implement a function to determine whether a string represents a numeric value. (including integers and decimals) * * Question Description: * (question in

The data structure to query is as follows:As an example of querying the Versionlimitlist fieldMongooperations Tool class Query related statementsEnquiry validstarttime is greater than the current time, and the clientId in the Versionlimitlist field The property value is 109 and the Platformcode property value is 2 Statements in the Mongovue{" validstarttime": { "$gt": Isodate ("2014-11-01t10:33:09.661z") }, "Versionlimitlist": { "$ Elemmatch ": { " clientId "