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SD-Cache::

charles(fidler in the window) tool to demonstrate the http request to the server and phone.it tells about data,request and response.

etag: and modified date play impotant size:

import "sdurlcahe"

-(void) prepareCache()

{

sdurlcache *chache===inititilze with the memory size,path and diskcapacity:::

cache.mincacheinterval=23;

[nsurlcache seturlcache:cache]

}

cheet code for the apple :

⌘ = Command

⇧ = Shift

⌥ = Option/Alt

⌃ = Control

⇠⇢ = Left/Right Arrow Keys

⇡⇣ = Up/Down Arrow Keys