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• Copy data from a remote Linux box to my Windows desktop

  - by Sanjay Rao

  I use Putty to login to the remote server and then set the environment and change the path to a particular directory. Now from this dir, I need to copy a folder to my desktop which is Windows? How can I achieve this ? Some of my failed attempts are as follows scp -r remote_foldername srao@my_ipaddress:C:\srao\Users\Desktop So from the remote server which is to be copied through putty, to my_username_in_windows@ip_address:path to destination

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• How can I clear the Android app cache?

  - by Srao

  I am writing a app which can programatically clear application cache of all the third party apps installed on the device. Following is the code snippet for Android 2.2 public static void trimCache(Context myAppctx) { Context context = myAppctx.createPackageContext("com.thirdparty.game", Context.CONTEXT_INCLUDE_CO|Context.CONTEXT_IGNORE_SECURITY); File cachDir = context.getCacheDir(); Log.v("Trim", "dir " + cachDir.getPath()); if (cachDir!= null && cachDir.isDirectory()) { Log.v("Trim", "can read " + cachDir.canRead()); String[] fileNames = cachDir.list(); //Iterate for the fileName and delete } } My manifest has following permissions: android.permission.CLEAR_APP_CACHE android.permission.DELETE_CACHE_FILES Now the problem is that the name of the cache directory is printed but the list of files cachDir.list() always returns null. I am not able to delete the cache directory since the file list is always null. Is there any other way to clear the application cache?

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