tenth decimal place

Today, in C #, you encounter a problem that requires you to convert a double to a string display, requiring you to keep the decimal digits.Check out the relevant articles on the InternetSpecific as follows:Double temp=3.1415926;F Fixed point:string str1=temp.tostring ("F1");//Keep one decimal rounding Result: 3.1F Fixed point:string str2=temp.tostring ("F2");//reserved Two

ASP tutorial. NET textbox can only enter numbers, backspace, decimal point (only one decimal point and cannot be in first place) private void Textbox1_keypress (object sender, KeyPressEventArgs e){e.handled =! (Char.isnumber (E.keychar) | | | e.keychar = = (char) 8 | | | e.keychar = = '. ');if (!e.handled) (sender as textbox). Tag = (sender as textbox). te

1#include 2 voidMain ()3 {4 intI= the, j=4;5 floath;6H= (float) ( the* -/4)/ -;7printf"%.2f", h);8}Note:%f: Does not specify the width, the integer part outputs and outputs 6 decimal places. %M.NF: The output is a total of M columns, where there are n decimal places, such as the value width is less than the left fill space. %-M.NF: The output is a total of n columns, where there are n

PHP to take the decimal place function has sprintf,ceil,floor,round and so on functions to achieve rounding, let's look at the specific example. This article will use PHP to round up numbers to preserve n decimal places, and a small summary of how numbers are rounded using PHP. (1) PHP reserved Three decimal places and

Tags: NET formatted output part of Tools text view convert case mat 1. Call the MySQL formatted decimal function format (x,d)For example: [HTML]View PlainCopy Select Format (23456.789,2); [HTML]View PlainCopy Select Formate (salary,2); Output: [HTML]View PlainCopy 23,456.79 , the format () function rounds the fractional part, and the integer part formats the output from r

Small fruitSELECT ( Case whenA.colorder=1 ThenD.nameElse "' End) asTable name,--returns null if the table name is the sameA.colorder asfield ordinal, A.name asfield name, ( Case when ColumnProperty(A.id,a.name,'isidentity')=1 Then '√'Else "' End) asidentification, ( Case when(SELECT Count(*) fromsysobjects--Query primary Key WHERE(Nameinch (SELECTName fromsysindexesWHERE(ID=a.ID) and(indidinch (SELECT

Tags: ref instance href com round. com class intercept maximumTRUNCATE (x, y)TRUNCATE (x, y) returns the value of x reserved to the Y-bit after the decimal point (the biggest difference from round is that it is not rounded), see the following example: mysql>SELECT TRUNCATE(7.536432,2); +---------------------------------------------------------+ | TRUNCATE(7.536432,2) | +---------------------------------------------------------+ | 7.53 | +-------------

Header file Required Fixed and setprecision () required for outputThe fixed represents the output floating point number, and the setprecision () sets the precision.#include The output is:12.351212.35　　C + + cout reserved decimal place

The round function uses the banker algorithm, which does not work.Roundto is not so.What format Ah,Result: = Int (value * 100 + 0.5)/100;All of them are not useful.Figure out why, many times the result is: 17.145, but the fact is 17.1449999999, then you rounded two results is not right, especially money. OhIn the online finally hunted to a master algorithm, we share the following:class function Tnewdcfunc.roundfloat (F:double;i:integer):d ouble;Vars:string;ef:extended;BeginS:= ' #. ' + Stringofc

1/** cut the Chinese string to the length occupied by the current DB2 (encoding GBK) */2 Public String cutstringfordb2 (string SRC, integer size) {3 int Len = SRC. length (); 4 int res_len = 0; 5 stringbuilder res_ B = new stringbuilder (); 6 for (INT I = 0; I [1] specify the length of a string based on three Chinese characters. [2] truncation of the double type. Specify the length = integer + decimal place