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NSURL * serverUrl = [ NSURL URLWithString : @ "http://ATTACKER/SJ_headlines.json" ] ;

asakin

- ( void ) fetchArticles
{
    NSURL * serverUrl = [ NSURL URLWithString : @ "http://skycure-journal.herokuapp.com" ] ;
    NSMutableURLRequest * request = [ NSMutableURLRequest requestWithURL : serverUrl ] ;
  
    [ request setValue : @ "application/json" forHTTPHeaderField : @ "Content-Type" ] ;
    self.connection = [ [ NSURLConnection alloc ] initWithRequest : request delegate : self ] ;
}

asakin

@interface HRHResistantURLCache : NSURLCache
@end
 
@implementation HRHResistantURLCache
 
- (void)storeCachedResponse:(NSCachedURLResponse *)cachedResponse 
                 forRequest:(NSURLRequest *)request
{
    if (301 == [(NSHTTPURLResponse *)cachedResponse.response statusCode]) {
        return;

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#define DEFAULT_MEMORY_CAPACITY 512000
#define DEFAULT_DISK_CAPACITY   10000000
 
HRHResistantURLCache *myCache = [HRHResistantURLCache alloc];
 
[myCache initWithMemoryCapacity:DEFAULT_MEMORY_CAPACITY
                   diskCapacity:DEFAULT_DISK_CAPACITY
                       diskPath:@"MyCache.db"];
    
[NSURLCache setSharedURLCache:myCache];