Alibabacloud.com offers a wide variety of articles about correct to 2 decimal places, easily find your correct to 2 decimal places information here online.

There is no myth. Let's talk about decimal's "blind eye" and decimal's blind eye.0x00 Preface
In the last article "compromise and trade-offs, deconstruct decimal operations in C #", many of my friends talked about the decimal type in C. In fact, the

Put C # in detail: compromise and trade-offs, deconstruct the decimal operation in C,Digress
Before the beginning of the text, I would like to thank the blog Park for providing this outstanding platform. I am honored to have won the Microsoft MVP

I ran into a problem today when I wrote the program. about how to control floating-point numbers only two digits after the decimal point, the normal idea is to use the round function, such as round (A, 2), but in the face of the following problems

SQL Server field type decimal (18,6) before the decimal point is a few?Admittedly, this is a very low-level problem ....Why do you ask such a low-level question?Because of this problem, an SP failed to perform a data import .... That bothered me for

Original: SQL Server field type decimal (18,6) How many are before the decimal point? Remember the database SP bug handling onceSQL Server field type decimal (18,6) before the decimal point is a few?Admittedly, this is a very low-level problem

It is the result of Lua's computation. We can see that the computation result is very accurate. It is the calculation result of Python3. We can see that the calculation result is inaccurate: the decimal computation in JavaScript is also inaccurate.

In JS, the general implementation of preserving the decimal point after N, are using the tofixed function
The code is as follows:
Rounding of the conversion function, as follows:
The code is as follows:
function Round (v,e) {
var t=1;

A percent regular expression that retains up to two decimal places: /^\d+\.? \d{0,2}%$/44.5% 44.66% 0.3% 5% All right 33.444%-5.66% are wrongA percent regular expression that has and retains only two decimal places: /^\d+\.? \d{2}%$/44.66% correct 0.

Javascript Regular Expression decimal type, regular expression decimal
If you want to read and understand it, read it. If you only need results, jump to the end of this article.
I used to use a javascript Regular Expression to match the decimal type.

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.