rad3ks

if (parameters) {
        if (![mutableRequest valueForHTTPHeaderField:@"Content-Type"]) {
            NSString *charset = (__bridge NSString *)CFStringConvertEncodingToIANACharSetName(CFStringConvertNSStringEncodingToEncoding(NSUTF8StringEncoding));
            [mutableRequest setValue:[NSString stringWithFormat:@"application/json; charset=%@", charset] forHTTPHeaderField:@"Content-Type"];
        }

        [mutableRequest setHTTPBody:[NSJSONSerialization dataWithJSONObject:parameters options:self.writingOptions error:error]];
    }

rad3ks

#! /bin/sh

# Purging memory if there is less than 20 MB free.
# Author: Radosław Szeja
# Date: 9.12.2012

while true; do

	fm=`top -l 1 | awk '/PhysMem/ {print $10}' | sed -e 's/\([0-9]*\)\(M\)/\1/g'`;