charleehu

public class GCUtils {
  private static final String DISABLE_EXPLICIT_GC = "DisableExplicitGC"; // need to be "manageable" in VM
  
  public static void forceGC() {
    String oldValue = HotSpotUtils.getVMOption(DISABLE_EXPLICIT_GC);
    if ("true".equals(oldValue)) {
      HotSpotUtils.setVMOption(DISABLE_EXPLICIT_GC, "false");
      System.gc();
      HotSpotUtils.setVMOption(DISABLE_EXPLICIT_GC, oldValue);
    } else {

charleehu

public class FileBitSort {
    public static void generateData(String path, int max) throws Exception {
        File f = new File(path);
        if (f.exists()) {
            
            f.delete();
            
        } else {
            f.createNewFile();
        }

charleehu

(function($) {
    $.fn.visibility = function(status) {
        this.css('visibility',status);
        return this;
    }
})(jQuery)

$('#someElement').visibility('visible')
$('#someElement').visibility('hidden')

charleehu

def conn = new URL("http://autoproxy2pac.appspot.com/pac/u/cafebabe.hu").openConnection(new Proxy(Proxy.Type.HTTP, new InetSocketAddress("10.22.198.188", 8118)));

print("begin transfer...")
def count = 0;
conn.getInputStream().withStream {
    
    def of = new File("c:\\cafebabe.hu").newOutputStream()
    it.eachByte {
        bt -> of.write(bt);count++;if(count%1024==0)print(".");
    }

charleehu

(function(){
    var $$ = function(cmd){
        return $("#main").contents().find(cmd);
    };
    
    $$("#seat_type_code").val("");
    $$("#ticket_type_order_num").val("");
    $$("#bed_level_order_num").val("000000000000000000000000000000");
    $$("#cancel_flag").val("1");
    $$("#orderRequest_id_mode").val("Y");

charleehu

[root@NYSJHL102-239 ~]# /opt/j2sdk/bin/jmap -heap 24694
Attaching to process ID 24694, please wait...
Debugger attached successfully.
Server compiler detected.
JVM version is 11.0-b15

using parallel threads in the new generation.
using thread-local object allocation.
Concurrent Mark-Sweep GC

charleehu

import java.io.*;
import java.util.*;
import sun.jvm.hotspot.memory.*;
import sun.jvm.hotspot.oops.*;
import sun.jvm.hotspot.debugger.*;
import sun.jvm.hotspot.runtime.*;
import sun.jvm.hotspot.tools.*;
import sun.jvm.hotspot.utilities.*;

public class DirectMemorySize extends Tool {

charleehu

// ==UserScript==  
// @name         Google Search Result Click Do Not Track   
// @description  去除Google搜索结果中的URL跟踪跳转
// ==/UserScript== 
var b=document.body;
b.addEventListener("click",checkSingleLink);
b.addEventListener("mousedown",checkSingleLink);

setTimeout(function () {
    var input=document.getElementById("lst-ib");

charleehu

#------------------------------------------------------------------------------
#
#  The following properties set the logging levels and log appender.  The
#  log4j.rootCategory variable defines the default log level and one or more
#  appenders.  For the console, use 'S'.  For the daily rolling file, use 'R'.
#  For an HTML formatted log, use 'H'.
#
#  To override the default (rootCategory) log level, define a property of the
#  form (see below for available values):
#

charleehu

import java.util.Random;
public class Case1{
 
   public static void main(String[] args) throws Exception{
      Random random=new Random();
      CaseObject object=new CaseObject();
      boolean result=true;
      while(result){
         result=object.execute(random.nextInt(1000));
         Thread.sleep(1000);