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# Kernel sysctl configuration file for Red Hat Linux | |
# | |
# For binary values, 0 is disabled, 1 is enabled. See sysctl(8) and | |
# sysctl.conf(5) for more details. | |
# Controls source route verification | |
net.ipv4.conf.default.rp_filter = 1 | |
# Do not accept source routing | |
net.ipv4.conf.default.accept_source_route = 0 |
import dnssd | |
struct DNSTxtRecord { | |
typealias DNSLookupHandler = ([String: String]?) -> Void | |
static func lookup(_ domainName: String, completionHandler: @escaping DNSLookupHandler) { | |
var mutableCompletionHandler = completionHandler // completionHandler needs to be mutable to be used as inout param | |
let callback: DNSServiceQueryRecordReply = { | |
(sdRef, flags, interfaceIndex, errorCode, fullname, rrtype, rrclass, rdlen, rdata, ttl, context) -> Void in |
// | |
// !!WARNING: Not recommended for production code!! | |
// | |
public class ClassLoaderActivity extends Activity | |
{ | |
public void onCreate(Bundle savedInstanceState) | |
{ | |
// file.jar has a dex'd "classes.dex" entry that you can generate with "dx" from any number of JARs or class files | |
ClassLoader dexLoader = new DexClassLoader("/path/to/file.jar", getCacheDir().getAbsolutePath(), null, getClassLoader()); | |
setAPKClassLoader(dexLoader); |
If your system is running slowly, perhaps a process is using too much CPU time and won't let other processes run smoothly. To find out which processes are taking up a lot of CPU time, you can use Apple's Activity Monitor.
The CPU pane shows how processes are affecting CPU (processor) activity: