NSString *astring01 = @"This is a String!"; NSString *astring02 = @"this is a String!"; BOOL result = [astring01 compare:astring02] = = NSOrderedAscending; NSLog(@"result:%d",result); //NSOrderedAscending 判断两对象值的大小(按字母顺序进行比较,astring02大于astring01为真) NSString ...
To see how to create Apple string classes, visit theNSString class reference pageon Apple's Developer website. From there you can toggle between Swift and Objective-C syntax. NSString used to have dozens of methods for converting NSStrings back into C strings, but those methods are now depr...
How to use String.Format in PowerShell?Article 03/19/2010 Hah! (We’re back ;-) ) It’s as easy as that:PS > [string] :: Format( "Hello {0} {1} :-)", "Daniel", "Walzenbach") Hello Daniel Walzenbach :-) Needless to say that other formatting – like Currency formatting –...
String-based enums, just like object literals, support computed names with the use of the square bracket notation, and this is usually not the case for number-based enums. Therefore, this limits our ability to use number-based enums in JSON objects, as it is usually not possible to compu...
How to Use typeof, Statement Expressions and Block-Scope Label Names By Dmitry Mikhailichenko, June 2007 (Updated by Douglas Walls, June 2016) This article gives an overview of the following C-language extensions (part of the GNU C-implementation) introduced in the Oracle Developer Studio C ...
). To use this: use iflet to unwrap the optional pass the Range or String.Index values to other string APIs For example: importFoundation letline ="A B C #123 456" iflethashRange = line.rangeOfString("#") { letcomment = line.substringFromIndex(hashRange.startIndex) ...
C# How to use HttpClient await client.PostAsync to return string C# Httpclient how to avoid CSRF verification failed. Request aborted error c# HttpResponseMessage throws exception HttpRequestException: ... ---> WebException: The remote name could not be resolved: 'www.thexlr.com' at ... C# ...
We can also use strcpy() and c_str() functions to convert a string into a character array in C++. The c_str() method returns a pointer to a null-terminated sequence of characters for a string object. We can copy these characters in our char array using strcpy() function. See the be...
Use std::cout and std::hex to Convert String to Hexadecimal Value in C++ Use std::stringstream and std::hex to Convert String to Hexadecimal Value in C++ This article will demonstrate multiple methods about how to convert string to hex in C++. Use std::cout and std::hex to Convert ...
Review examples of several techniques to modify existing string contents in C#, which return a new string object.