breezhang

 int bitarray = Enumerable.Range(0, 0x100).Select(i => { var x = Convert.ToString((Byte)i, 2);
                                                         return new string('0',8-x.Length)+x;
            }).Count(s => (s.IndexOf("1111") >= 0 || s.IndexOf("000") >= 0));

breezhang

  //need .net 4.0
            var s1 = Enumerable.Range(1, 10).ToList().Select(i => new {name = i%7,sex =i,age= i*10});

            var s2 = Enumerable.Range(1, 10).ToList().Select(i => new {name = i & 0xFE});

            var result = s2.Join(s1, arg => arg.name, arg => arg.name, (a, b) => b).Distinct();

            if(result.Any())
            {
                result.ToList().ForEach(obj => _show(obj.name + "/"+ obj.sex + "/" + obj.age));//+"/" + obj.b));

breezhang

//System.Reflection 

 
    public class Invoker
    {
        private readonly List<object> _mCommand;

        private const BindingFlags Flags = BindingFlags.Public | BindingFlags.DeclaredOnly | BindingFlags.Instance;

        public Invoker()

breezhang

$url="full name much better  eg. http://www.google.com"
#$xhttp= New-Object -ComObject msxml2.xmlhttp                                       
#$xhttp.open("get",$url,$false)                                                     
#$xhttp.send()                                                                      
#$xhttp.responseText                                                                
#$xhttp.status                                                                      
#$xhttp.getAllResponseHeaders() 

#alse you can net.webclient  
#$req =[net.httpwebrequest]::Create($url)

breezhang

#source="http://blogs.technet.com/b/heyscriptingguy/archive/2012/02/19/use-powershell-to-find-last-logon-times-for-virtual-#workstations.aspx?utm_source=twitterfeed&utm_medium=twitter"

$Computer = 'NJLT-Service'
$Win32OS = Get-WmiObject -Class Win32_OperatingSystem -ComputerName $Computer
$Build = $Win32OS.BuildNumber
#The “If ($Build -ge 6001)” is the first decision point. 
#if the build number is 6001 and above, the script block will run.
if ($Build -ge 6001)
{
$Win32User = Get-WmiObject -Class Win32_UserProfile -ComputerName $Computer

breezhang

function Get-HexDump($path,$width=10, $bytes=-1)
{
$OFS="" 
Get-Content -Encoding byte $path -ReadCount $width `
-totalcount $bytes | Foreach-Object { 
$byte = $_
$hex = $byte | Foreach-Object { 
" " + ("{0:x}" -f $_).PadLeft(2,"0")} 
$char = $byte | Foreach-Object { 
if ([char]::IsLetterOrDigit($_)) 

breezhang

from http://msmvps.com/blogs/lduncan/pages/20217.aspx
How Do I Rebuilt a Corrupt WMI Repository?

The following can be done through a batch file or executed manually from the command line:
 
net stop winmgmt
c: 
cd %systemroot%\system32\wbem 
rd /S /Q repository
 

breezhang

/*you need file */

/*

You can visit http://autoproxy2pac.appspot.com/ 

download http://autoproxy2pac.appspot.com/gfwtest.js  append some stuff


e.g

breezhang

#Summary: Microsoft Scripting Guy, Ed Wilson, 
#talks about using Windows PowerShell to set the static IP and DNS addresses on a server.
#Microsoft Scripting Guy, Ed Wilson, is here. 
#One of the really cool things about computers is that you never get bored. 
#At least for me this is true. 
#for example, I have a server that has been running Exchange Server 
#absolutely perfectly for more than a year. 
#Today, it acted like a 150 pound St. Bernard that had become bored. 
#That’s right, it threw a fit. Why did it do so? Well, I had changed the IP network configuration, 
#and I did not change the IP address on this machine. for some reason, 

breezhang

I have no idea add some comm for MSDN 

Worker remoteWorker = (Worker) ad.CreateInstanceAndUnwrap(
            Assembly.GetExecutingAssembly().FullName,
            "Worker"); issue==>  typeof(Worker).FullNam