calculator with commas

Summing up the method of adding commas to the numbers, consider the general situation. Provide ideas for everyone to refer to the following#!/usr/bin/perl UseStrict; Usewarnings;my $num=1234556789;#Pure Data Mode$num=~ s/(? 3})+$)/,/G;Print $num,"\ n";#with decimal point mode$num=123456.1234;$num=~ s/(? 3}) +\b)/,/G;Print $num,"\ n";#after more than 5 bits ... #\k mode, variable-length negation backward view, \k allow the pattern before it to match bu

number of full three digits in the back is taken out$i= 0; while($istrlen($SR)){$rvalue=$rvalue.‘,‘.substr($SR,$i, 3);//three-bit three-bit remove and merge, separated by commas$i=$i+ 3;}$rvalue=$SL.$rvalue;$rvalue=substr($rvalue, 0,strlen($rvalue)-1);//remove the last comma$rvalue=Explode(‘,‘,$rvalue);//decomposition of an arrayif($rvalue[0]==0){Array_shift($rvalue);//if the first element is 0, the first element is deleted}$RV=$rvalue[0];//number of

Since Oracle9i, you can use the SYS_CONNECT_BY_PATH function to display the content from the parent node to the current row in the form of "path" or a list of hierarchical elements. Obtain the names of all fields in a table and separate them with commas. Selectmax (substr (SYS_CONNECT_BY_PATH (COLUMN_NAME,), 2) colfrom (selectCOLUMN_NAME, colu since Oracle 9i, you can use the SYS_CONNECT_BY_PATH function to implement The row content is displayed in t

A very common requirement in our daily development process,In the front we introduced the [original]sql to convert the comma-separated contents of the field stored in the table into a list form, of course, it is possible to change it in this way, but I have the other way I have been used before, also record it.In accordance with the Convention, we first look at the effect.Call: SELECT Id from [fn_stringsplittotable] (' 1,12,36,65,58,56,df ', ', ')The specific functions are as follows:-- ========

jquery selectors, when separated by commas, need to be aware of the scope issues:@ Page Language="Java"Import="java.util.*"pageencoding="UTF-8"%> StringPath=Request.getcontextpath (); StringBasePath=Request.getscheme ()+ "://" +Request.getservername ()+ ":" +Request.getserverport ()+Path+ "/";%>DOCTYPE HTML>HTML>Head>Basehref= ">MetaCharSet= "UTF-8">title>B Indextitle>Linkrel= ' stylesheet 'type= "Text/css"href= ' B/css/bootstrap.css '>Head>Bodysty

The use of commas in type conversions is mainly the conversion of tuplesFor example:>>> a=11>>> b= (a)>>> b11>>> b= (A,)>>> b(11,)>>> b= (a,22)>>> b(11, 22)>>> b= (a,22,)>>> b(11, 22)>>>It can be seen that a comma is required to convert to a tuple type when there is only one element in the B-tupleIn addition, this multi-threaded comma is very interesting, once removed, the program will be error#coding =utf-8Import threadingFrom time import Ctime,sleep

Concatenates all the results that meet the conditions into a column and separate them with commas. Concatenates all the results that meet the conditions into a column and separate them with commas. The Code is as follows: Create table tb (id int, value varchar (10 )) Insert into tb values (1, 'A ') Insert into tb values (1, 'bb ') Insert into tb values (2, 'aaa ') Insert into tb values (2, 'bbb ') Insert i

Oraclewm_concat function, used for column-to-row conversion. This article will detail the application of this function by commas (,). Oracle wm_concat function, used for column-to-row conversion, separated by commas (,) This article will detail the application of this function [SQL]The Code is as follows:Create table wlbtest1 (Username varchar2 (2 ),DeptID number);Create table wlbtest2 (DeptName varchar

1, use, remove the extra line break >>> for I in Range (0,5):... print I...01234>>> for I in Range (0,5):... print I,...0 1 2) 3 4It is obvious that the print statement defaults to a newline followed by a comma followed by a newline that becomes a spaceAfter a comma is appended to the assignment expression, a tuple object is automatically obtained>>> A = 1>>> B = 2,>>> print Type (a)>>> print type (b)>>> C = []>>> d = [],>>> print type (c)>>> print type (d)2. The use of

After reading the JavaScript data types and expressions and operator-related knowledge that you can his experiment a JavaScript pen question, I did not expect to die again and again in commas, colons and parentheses, we have to look at these symbols. nbsp; Comma comma Our common usage is to declare some variables in a row, a lot less var nbsp; nbsp; var a=1, nbsp; nbsp; b=2, nbsp; nbsp; c=3; Method arguments we use

Sometimes there are a lot of commas, so we can not handle it, the following function is to replace multiple commas with a comma, to facilitate the subsequent processing. Copy Code code as follows: A good code: Copy Code code as follows: function Dostr (str) { Str=trim (str); var strarry=unique (Str.split (",")); Str=strarry.join (","); Str=str.replace (/,/ig, ","); Str=s

C language implementation of a calculator and C language implementation of a calculator Today, I read compilation principles and practices and saw the implementation of a simple Integer Calculator. Based on the ideas in the book, I made some extensions: 1. Extend From Integer Calculator to decimal

A simple calculator for C language lesson 1, a calculator for Lesson 1 I have been learning C language since I made a simple calculator in C language for so long. /* C language lesson 1 simple calculator */# include Void displayMenu ();Void add ();Void sub ();Void multiply ();Void divide ();Void yushu ();Void

Android development implementation calculator example, android calculator example Example The Code is as follows:Android: id = "@ + id/warpcontent"Android: layout_width = "fill_parent"Android: layout_height = "fill_parent"Android: orientation = "vertical"> Android: id = "@ + id/scrollview"Android: layout_width = "fill_parent"Android: layout_height = "wrap_content"> Android: id = "@ + id/resultText"Android:

Basic calculator of PHP and basic calculator of PHP Design a computing function that completes computation and verifies unreasonable data and provides error messages. Rule: the first number and the second number cannot be blank. If the operator is/, the second number cannot be 0.1 How to Use PHP code to write a calculator webpage Php obtains an expressionAnalyz

Method One: 1. We went into the Win8 Metro interface and then right click on the desktop to click "All Apps". 2. We then click "Calculator" under "Windows Accessories" to open the Calculator component, as shown in the following figure. Method Two: 1. We quickly in the keyboard we Press "WIN" + "Q" and then we pop in directly into the "calcul