how to calculate decibels

C ++ brush question -- 2713: function --- calculate the power of x to the power of y, set the power of yx to the power of 8x to calculate yCompile the function POW. The function declaration is as follows:Int POW (int x, int y); // evaluate the function declaration of the Power y of x Add the definition of the POW function based on the following programs so that the program can be correctly executed. /*

/* (Start of program header annotation)* Copyright and version Declaration of the program* Copyright (c) 2011, a student from the computer College of Yantai University* All rights reserved.* File name: enter a date, which is the day of the year.* Author: Lei hengxin* Completion date: January 1, September 09, 2012* Version No.: V1.0* Description of tasks and Solutions* Input description:* Problem description:* Program output:* End the comment in the program Header*/ [Csharp]Using System;Using Sys

How to calculate site dwell time and page dwell time, calculate site dwell time Site Dwell times (time on site, hereinafter referred to as TS) and page dwell times (time on page, hereinafter referred to as TP) are important indicators of user experience analysis and traffic quality monitoring. But very few people know how the average time to visit a website (Average times on site) is calculated. Whether u

Php calculates the function execution time. Php calculates the execution time of functions. This document describes how php calculates the execution time of functions. Share it with you for your reference. Details: we can use php to calculate the function execution time and php to calculate the function execution time. This example describes how to calculate t

/** * Calculate the area of different shapes according to perimeter? Calculates the area of a variety of graphs, * and compares the maximum values of various graphic areas.The square area formula is: 0.0625*c*c.* Circle Area formula is: 0.0796*c*c, where c represents the perimeter of the graph. *//** * Calculate the area of different shapes according to perimeter? Calculates the area of a variety of graphs,

I personally tend to put in the browser JS to calculate, but there is no strong reason. Do not involve security and store this data. A,b,c and A.B.C are just used to show up on the page. Reply content: Word: On the client or server side is primarily security -related. Because the client's data can be forged. advantages of placing on the client : Reduce server pressure Reduce broadband occupancy (only one value is passed) Disadvantages:

Use css to calculate the selected check boxes. Use css to calculate the selected check boxes. Code: The counter-reset attribute sets the counter value of the number of occurrences of a selector. The default value is 0. The counter-increment attribute sets the counter increment that appears each time for a selector. The default increment is 1. Counter ()Insert counter

Recently I had the honor to have a small interview question, studied it, and shared it with me, hoping to help everyone's code career.The following is an interview question: calculate the number of 1 in 1-and calculate the number of 1 in 1.Solution:Copy codeThe Code is as follows:// The enumeration method can only be viewed in Google Chrome(Function (){Var tmp = [];For (var I = 1; I /1/g. test (''+ i-1) tm

1062. Calculate the Manhattan distance, 1062 calculate the Manhattan distance The question description shows the coordinates (x1, y1), (x2, y2) of the two points on the plane, and calculates the Manhattan distance between the two points. Manhattan distance = | x1-x2 | + | y1-y2 |. Enter the real numbers separated by four spaces in a row, representing x1, y1, x2, y2, respectively. Output a re

= str.substring (lngend+7, Latend); AMap =NewHashmap(); theMap.put ("LNG", LNG); +Map.put ("Lat", LAT); - returnmap; $ } $ } -}Catch(Exception e) { - E.printstacktrace (); the}finally{ - Try { Wuyi In.close (); the}Catch(IOException e) { - E.printstacktrace (); Wu } - } About return NULL; $ } - - Public Static voidMain (String args[]) { - Try { Amap); +System.out.pr

Calculate the length of the text, distinguish between Chinese and English characters, and calculate the length in Chinese. Public int text_length (string text){Int Len = 0; for (INT I = 0; I { If (byte_len.length> 1) Len + = 2; // If the length is greater than 1, it is Chinese and occupies two bytes, + 2 else Len + = 1; // If the length is equal to 1, it is English and occupies one

Why I write this program of $a+ $b and $a-$b can not calculate, other can calculate Ah, ask the big God solve!!! $a =$_request["NUM1"]; $b =$_request["num2"]; $fuhao =$_request["Fuhao"]; Class cat{ Public function Jisuan ($a, $b, $fuhao) { Switch ($fuhao) { Case "+": $a + $b; Echo ' $a + $b = '. $a + $b; Break Case "-": $a-$b; Echo ' $a-$b = '. $a-$b; Break Case "*": $a * $b; Echo ' $a * $b = '. $a * $b;