nsurl_开发者

When should I use NSURL instead of NSString and vice versa?

This is not a question about a pertinent problem. It\'s a question by which I try to deepen my understanding of Objective-C or more specific Cocoa Foundation.[详细]

2023-04-13 05:35 分类：问答

UIImage from a URL that change by date

my question is simple, i want to load a UIImage from an URL, but this URL change pro开发者_如何学JAVAgrammatically by date.[详细]

2023-04-12 18:40 分类：问答

How to get data from web and insert it in UITextView?

I have a problem now. I want to get wikipedia data using wikimeta. I get the data with NSString methode (stringWithContentsOfURL:encoding:error:). But, sometime when the connection wa really slow, i w[详细]

2023-04-12 01:55 分类：问答

iOS download data from the web issues, NSURL

Need your quick advise.I am create a \"Currency Converter\" iPhone app to retrieve the data from google currency websites.It is work perfectly to download t开发者_运维百科he string of USD -> AUD, USD-[详细]

2023-04-10 06:01 分类：问答

NSURL from File -> Editing text of data then turn back into URL = NULL

I have an html file that I want to dynamically edit before displaying to change some of the values. I get the file fine, then replace the text I want, still fine. But when I convert it back to a NSUR[详细]

2023-04-09 20:48 分类：问答

NSURL getting value from string

I have the following string that I am passing into [NSURL URLWithString:] and getting nil back. I do not see anything wrong with the s开发者_开发技巧tring??[详细]

2023-04-09 10:34 分类：问答

connection failed : Bad Url (null) error while sending POST data from Xcode to classic ASP page.

In my iphone project, I need to pass member Id and pwd to a web server. I have tried my code with Synchronous as well as asynchronous request but I always get error : connection failed: Bad URL (null)[详细]

2023-04-09 10:15 分类：问答

How to release the NSUrlConnection class object,NSMutableData class object?

iam making one applciation.In that iam using the NSUrlconnection class.Below one is my code. - (void)viewDidLoad {[详细]

2023-04-09 04:04 分类：问答

connecting three NSStrings

Right i have three NSStrings that i want to put together to make one long nsstring (to use as a URL). I have used stringByAppedingString which lets me put two of the together but i do not know how to[详细]

2023-04-08 02:47 分类：问答

Unable to make NSURL form string

I\'m trying to read a a file in my project. I first create a string with the path and then turn it into a NSURL, and that\'s where I get into trouble:[详细]

2023-04-08 01:32 分类：问答