Create a new category named Uicolor+hex, which indicates that the Uicolor supports hex hex color settings.Uicolor+hex.h file,#import#define Rgba_color (R, G, B, A) [Uicolor colorwithred: ((r)/255.0f) Green: ((G)/255.0f) Blue: ((B)/255.0f)
Int (x [, base]) converts x to an integer long (x [, base]) and converts x to a long integer float (x) convert x to a floating point complex (real [, imag]) to create a plural str (x). Convert x to a string repr (x) convert object x to expression
int (x [, Base])#convert x to an integerLong (x [, Base])#convert x to a long integerFloat (x)#convert x to a floating-point numberComplex (real [, Imag])#Create a complex numberSTR (x)#convert an object x to a stringREPR (x)#convert an object x to
Python standard library: built-in functions hex (x) and pythonhex
This function is used to convert a hexadecimal string representation of an integer object, such as the 0x format. If the object is not an integer, define a method ___ index _ () to
Float Data Type
To learn a language, you must lay a solid foundation. The previous knowledge may be boring, but it is very important to lay a solid foundation for us, be sure to master basic common operations for int, float, long, String, list,
Qt int, float, double to qstring
There are two ways of
1. Use
Qstring::number ();
Such as:
[CPP] View plaincopyprint?
1. Long A = 63;
2. QString s = Qstring::number (A, 10); s = = "63"
3. QString T = Qstring::number (A,). ToUpper (); t =
//Uicolor+transformation.hContactapp//Created by Gongdongdong on 15/9/11. Copyright (c) year Lan technology . All rights reserved. //#import @interface Uicolor (transformation)+ (Uicolor *) Transformat: (NSString *)
1. The problem arisesA small problem has recently been encountered, namely:
Read the contents of the text file, then convert the number appearing in the file (including double, int, float, etc.) to 16 binary 0x storage
Originally
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