double format

Solution to the single double quotation mark in json format   Source of original work reprinted  In recent projects, JSON data transmission is required, but a field may contain double quotation marks and single quotation marks, leading to errors.  

self. Ordercost. Text = [nsstringstringwithformat:@ "%.1f yuan ",self. Order. Cost. Floatvalue]; %.1F represents a decimal point,%.2f represents a 2-bit decimal point, and so onFormat definitionThe format specifiers supported

"Turn" http://blog.csdn.net/samsone/article/details/75567811. Formatted currency (related to system environment, Chinese system default format RMB, English system format USD)String. Format ("{0:c}", 0.2) results are: ￥0.20 (English operating system

1. Formatted currency (related to system environment, Chinese system default format RMB, English system format USD)String. Format ("{0:c}", 0.2) results are: ￥0.20 (English operating system results: $0.20)The default formatting retains two decimal

Replace each format item in the specified string with the text equivalent item of the value of the corresponding object. String Str1 = string. Format ("{0: N1}", 56789 ); // Result: 56,789.0 String Str2 = string. Format ("{0: N2}", 56789 ); //

Strange things about adding Java double Question:Compile and run the following program to see what?Public class test {Public static void main (string ARGs []) {System. Out. println (0.05 + 0.01 );System. Out. println (1.0-0.42 );System. Out. println

  In Java, the double Type format follows the IEEE 754 standard. Although decimal places are continuous in mathematics, double represents only some discrete points, and the set composed of these discrete points is counted as S. The size of S is

Reprint: http://www.csharp-examples.net/string-format-double/He following examples show how to format float numbers to string in C #. You can use the static method String.Format or instance methods double. ToString and float. Tostring.Digits after

I. Loss of precision in floating-point calculationsProbably a lot of friends with programming experience are not familiar with this problem: no matter what programming language you use, when you use floating-point data for accurate calculations, you

Is there any way to solve the JSON format without double quotation marks in PHP? is there any way to solve the JSON format without double quotation marks in PHP. Format: {name: & quot; brandId1 & quot;, type: & quot; String1 & quot;} the standard