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  • Why is the operation address incremented by two?

    - by Gavin Jones
    I am looking at a Javascript emulator of a NES to try and understand how it works. On this line: addr = this.load(opaddr+2); The opcode is incremented by two. However, the documentation (see appendix E) I'm reading says: Zero page addressing uses a single operand which serves as a pointer to an address in zero page ($0000-$00FF) where the data to be operated on can be found. By using zero page addressing, only one byte is needed for the operand, so the instruction is shorter and, therefore, faster to execute than with addressing modes which take two operands. An example of a zero page instruction is AND $12. So if the operand's argument is only one byte, shouldn't it appear directly after it, and be + 1 instead of + 2? Why +2? This is how I think it works, which may be incorrect. Suppose our memory looks like: ------------------------- | 0 | 1 | 2 | 3 | 4 | 5 | <- index ------------------------- | a | b | c | d | e | f | <- memory ------------------------- ^ \ PC and our PC is 0, pointing to a. For this cycle, we say that the opcode: var pc= 0; //for example's sake var opcode= memory[pc]; //a So shouldn't the first operand be the next slot, i.e. b? var first_operand = memory[pc + 1]; //b

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  • Connected host failed to respond (internal NAT address)

    - by MostRandom
    I'm writing my first C# web application that connects to an XML based service. It requires that I present a certificate and feed the XML stream. It seems to authenticate properly but then it gives the following error: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond 10.1.10.4:3128 The funny thing is that I'm not on a proxy or anything like that. I'm connecting directly to the internet. At one point I we did use a proxy that with internal NAT address. So my question is: Does Visual Studio have some sort of default proxy setting that I need to change? This IP is no longer used for anything, so I know that I don't need to use any proxy authentication code. using System; using System.Data; using System.Configuration; using System.Collections; using System.Web; using System.Net; using System.Security.Cryptography.X509Certificates; using System.Web.Security; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Web.UI.HtmlControls; namespace WebApplication1 { public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { Uri requestURI = new Uri("*site omitted*"); //Create the Request Object HttpWebRequest pageRequest = (HttpWebRequest)WebRequest.Create(requestURI); //After installing the cert on the server export a client cert to the working directory as Deluxe.cer string certFile = "*certificate omitted*"; X509Certificate cert = X509Certificate.CreateFromCertFile(certFile); //Pull in your Data, if it is from an external xml as below or create an xml string with variables if a dynamic post is required. string xmlPath = "*XML omitted*"; System.Xml.XmlDocument passXML = new System.Xml.XmlDocument(); passXML.Load(xmlPath); //XML String with the data needed to pass string postData = passXML.OuterXml; //Set the Request Object parameters pageRequest.ContentType = "application/x-www-form-urlencoded"; pageRequest.Method = "POST"; pageRequest.AllowWriteStreamBuffering = false; pageRequest.AllowAutoRedirect = false; pageRequest.ClientCertificates.Add(cert); postData = "xml_data=" + Server.UrlEncode(postData); pageRequest.ContentLength = postData.Length; //Create the Post Stream Object System.IO.StreamWriter postStream = new System.IO.StreamWriter(pageRequest.GetRequestStream()); //Write the data to the post stream postStream.Write(postData); postStream.Flush(); postStream.Close(); //Set the Response Object HttpWebResponse postResponse = (HttpWebResponse)pageRequest.GetResponse();

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  • How can I host a website on a dynamically-assigned IP address?

    - by nick
    I recently upgraded my internet to the point that it is much faster and more reliable than my current webhost. I would like to move my current domain to be hosted at home, but my IP address is dynamic. As far as I know, I only get a new IP when I restart my modem and or router (which is almost never) or when cable one (my ISP) pushes out a firmware update (rarely). There are a few ways I can see doing this: Convince my ISP to give me a static IP Assign my router my current IP to force a static IP (which might work?) Set my DNS record to my current IP address and update it on the rare occasions that it changes. Obviously I'm hoping that the first one works, but I don't want to pay a lot of extra money (if that's what it takes) to get a static IP address. Which of these options will work most reliably?

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  • How to get client machine ip address in custom realm? [on hold]

    - by Sumit
    I want to get client machine ip address in my custom Realm when client attempt to login basically here is detail requirement of project User having role 'Admin' can add new users and assign multiple roles and permission ,and at the same time specify list of ip address and countries to restrict them to access website. All these information i am storing in database. So basically till now i am using shiro default 'authc' filter but now i want ip address of client machine and get country from where request is coming and check it against database and then and then only allow access to website. Any help..? Thanks and regards

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  • How to clear a Firefox address bar without selecting its content?

    - by zuba
    Sometimes I need to move an url from an app to a browser. I select the url, say in gvim, and make Firefox window active. Then I see that I should clear address bar before pasting the new url, which requires selecting existing url, which wipes the new url from PRIMARY clipboard out. What is the best way to put the new url from PRIMARY clipboard to address bar? Is there a shortcut to clear address bar and then to move focus there? ps I know I can use Ctrl-C to put the new url to CLIPBOARD clipboard, but I prefer to use PRIMARY clipboard.

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  • How to be anonymous on IPV6 protocol by not using MAC address in EUI-64?

    - by iugamarian
    The IPV6 protocol has a feature called "Extended Unique Identifier" or EUI-64 witch in short uses the MAC address of the network card when choosing an IPV6 Adress. Proof: http://www.youtube.com/watch?v=30CnqRK0GHE&NR=1 at 7:36 video time. If you want to be anonymous on the internet (so that nobody can find you when you download something, etc.) you need this EUI-64 to be bipassed in order for the MAC address not to be discovered by harmful third parties on the internet and for privacy. How do you avoid EUI-64 MAC address usage in IPV6 selection in Ubuntu? Also for DHCP IPV6?

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  • How to write the path to a Windows shared folders address in terminal?

    - by user206996
    I want to permanently mount a few Windows shared folders. I googled that topic and found a lot of good answers, but with all the solutions I have a little problem: I believe I can't properly give an address of shared folder. I can find it following way: "Network" - "Windows Network" - "WORKGROUP_name" - "Computer_name" - and there is some folder i would like to mount. How can I write the path to the folders in terminal? UPD i can access needed folder throw address in location bar smb://server/ro/, but i try mount it by editing /etc/fstab file (using guide https://wiki.ubuntu.com/MountWindowsSharesPermanently) i get error mount error: could not resolve address for server: Unknown error PS in /etc/fstab : //SERVER/RO /media/server cifs username=user,password=pwd, uid=1000,iocharset=utf8 0 0

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  • XML Schema - how do you conditionally require address elements? (street, city, state, etc)

    - by Sly
    If an address can be composed of child elements: Street, City, State, PostalCode...how do you allow this XML: <Address> <Street>Somestreet</Street> <PostalCode>zip</PostalCode> </Address> and allow this: <Address> <Street>Somestreet</Street> <City>San Jose</City> <State>CA</State> </Address> but not this: <Address> <Street>Somestreet</Street> <City>San Jose</City> </Address> What schema will do such things!?

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  • Why Remote Desktop Sessions show client internal IP address? [closed]

    - by Varp
    I have Windows Server 2008 r2 with static ip address on WAN interface. I connecting to the server from home from my laptop. Laptop at home is behind nat box. When i connecting to the server from home in Remote Desktop Session Manager i see in client status dialog a local ip address of client behind the nat box not WAN ip address of nat box. I suppose i must see the WAN ip address of the nat box in Remote Desktop Session Manager, isnt it?

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  • Reading email address from contacts fails with weird memory issue - Solved

    - by CapsicumDreams
    Hi all, I'm stumped. I'm trying to get a list of all the email address a person has. I'm using the ABPeoplePickerNavigationController to select the person, which all seems fine. I'm setting my ABRecordRef personDealingWith; from the person argument to - (BOOL)peoplePickerNavigationController:(ABPeoplePickerNavigationController *)peoplePicker shouldContinueAfterSelectingPerson:(ABRecordRef)person property:(ABPropertyID)property identifier:(ABMultiValueIdentifier)identifier { and everything seems fine up till this point. The first time the following code executes, all is well. When subsequently run, I can get issues. First, the code: // following line seems to make the difference (issue 1) // NSLog(@"%d", ABMultiValueGetCount(ABRecordCopyValue(personDealingWith, kABPersonEmailProperty))); // construct array of emails ABMultiValueRef multi = ABRecordCopyValue(personDealingWith, kABPersonEmailProperty); CFIndex emailCount = ABMultiValueGetCount(multi); if (emailCount > 0) { // collect all emails in array for (CFIndex i = 0; i < emailCount; i++) { CFStringRef emailRef = ABMultiValueCopyValueAtIndex(multi, i); [emailArray addObject:(NSString *)emailRef]; CFRelease(emailRef); } } // following line also matters (issue 2) CFRelease(multi); If compiled as written, the are no errors or static analysis problems. This crashes with a *** -[Not A Type retain]: message sent to deallocated instance 0x4e9dc60 error. But wait, there's more! I can fix it in either of two ways. Firstly, I can uncomment the NSLog at the top of the function. I get a leak from the NSLog's ABRecordCopyValue every time through, but the code seems to run fine. Also, I can comment out the CFRelease(multi); at the end, which does exactly the same thing. Static compilation errors, but running code. So without a leak, this function crashes. To prevent a crash, I need to haemorrhage memory. Neither is a great solution. Can anyone point out what's going on? Solution: It turned out that I wasn't storing the ABRecordRef personDealingWith var correctly. I'm still not sure how to do that properly, but instead of having the functionality in another routine (performed later), I'm now doing the grunt-work in the delegate method, and using the derived results at my leisure. The new (working) routine: - (BOOL)peoplePickerNavigationController:(ABPeoplePickerNavigationController *)peoplePicker shouldContinueAfterSelectingPerson:(ABRecordRef)person { // as soon as they select someone, return personDealingWithFullName = (NSString *)ABRecordCopyCompositeName(person); personDealingWithFirstName = (NSString *)ABRecordCopyValue(person, kABPersonFirstNameProperty); // construct array of emails [personDealingWithEmails removeAllObjects]; ABMutableMultiValueRef multi = ABRecordCopyValue(person, kABPersonEmailProperty); if (ABMultiValueGetCount(multi) > 0) { // collect all emails in array for (CFIndex i = 0; i < ABMultiValueGetCount(multi); i++) { CFStringRef emailRef = ABMultiValueCopyValueAtIndex(multi, i); [personDealingWithEmails addObject:(NSString *)emailRef]; CFRelease(emailRef); } } CFRelease(multi); return NO; }

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  • IP address shows as a hyphen for failed remote desktop connections in Event Log

    - by PsychoDad
    I am trying to figure out why failed remote desktop connections (from Windows remote desktop) show the client ip address as a hyphen. Here is the event log I get when I type the wrong password for an account (the server is completely external to my home computer): <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event"> <System> <Provider Name="Microsoft-Windows-Security-Auditing" Guid="{54849625-5478-4994-A5BA-3E3B0328C30D}" /> <EventID>4625</EventID> <Version>0</Version> <Level>0</Level> <Task>12544</Task> <Opcode>0</Opcode> <Keywords>0x8010000000000000</Keywords> <TimeCreated SystemTime="2012-03-25T19:22:14.694177500Z" /> <EventRecordID>1658501</EventRecordID> <Correlation /> <Execution ProcessID="544" ThreadID="12880" /> <Channel>Security</Channel> <Computer>[Delete for Security Purposes]</Computer> <Security /> </System> <EventData> <Data Name="SubjectUserSid">S-1-0-0</Data> <Data Name="SubjectUserName">-</Data> <Data Name="SubjectDomainName">-</Data> <Data Name="SubjectLogonId">0x0</Data> <Data Name="TargetUserSid">S-1-0-0</Data> <Data Name="TargetUserName">[Delete for Security Purposes]</Data> <Data Name="TargetDomainName">[Delete for Security Purposes]</Data> <Data Name="Status">0xc000006d</Data> <Data Name="FailureReason">%%2313</Data> <Data Name="SubStatus">0xc000006a</Data> <Data Name="LogonType">3</Data> <Data Name="LogonProcessName">NtLmSsp </Data> <Data Name="AuthenticationPackageName">NTLM</Data> <Data Name="WorkstationName">MyComputer</Data> <Data Name="TransmittedServices">-</Data> <Data Name="LmPackageName">-</Data> <Data Name="KeyLength">0</Data> <Data Name="ProcessId">0x0</Data> <Data Name="ProcessName">-</Data> <Data Name="IpAddress">-</Data> <Data Name="IpPort">-</Data> </EventData> </Event> Have found nothing online and am trying to stop terminal services attacks. Any insight is appreciated, I have found nothing online after several hours of seraching...

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  • Django database caching

    - by hekevintran
    The object user has a foreign key relationship to address. Is there a difference between samples 1 and 2? Does sample 1 run the query multiple times? Or is the address object cached? # Sample 1 country = user.address.country city = user.address.city state = user.address.state # Sample 2 address = user.address country = address.country city = address.city state = address.state

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  • Automapper: Handling NULL members

    - by PSteele
    A question about null members came up on the Automapper mailing list.  While the problem wasn’t with Automapper, investigating the issue led to an interesting feature in Automapper. Normally, Automapper ignores null members.  After all, what is there really to do?  Imagine these source classes: public class Source { public int Data { get; set; } public Address Address { get; set; } }   public class Destination { public string Data { get; set; } public Address Address { get; set; } }   public class Address { public string AddressType { get; set; } public string Location { get; set; } } And imagine a simple mapping example with these classes: Mapper.CreateMap<Source, Destination>();   var source = new Source { Data = 22, Address = new Address { AddressType = "Home", Location = "Michigan", }, };   var dest = Mapper.Map<Source, Destination>(source); The variable ‘dest’ would have a complete mapping of the Data member and the Address member. But what if the source had no address? Mapper.CreateMap<Source, Destination>();   var source = new Source { Data = 22, };   var dest = Mapper.Map<Source, Destination>(source); In that case, Automapper would just leave the Destination.Address member null as well.  But what if we always wanted an Address defined – even if it’s just got some default data?  Use the “NullSubstitute” option: Mapper.CreateMap<Source, Destination>() .ForMember(d => d.Address, o => o.NullSubstitute(new Address { AddressType = "Unknown", Location = "Unknown", }));   var source = new Source { Data = 22, };   var dest = Mapper.Map<Source, Destination>(source); Now, the ‘dest’ variable will have an Address defined with a type and location of “Unknown”.  Very handy! Technorati Tags: .NET,Automapper,NULL

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  • OpenGL Colorspace Conversion

    - by Steven Behnke
    Does anyone know how to create a texture with a YUV colorspace so that we can get hardware based YUV to RGB colorspace conversion without having to use a fragment shader? I'm using an NVidia 9400 and I don't see an obvious GL extension that seems to do the trick. I've found examples how to use a fragment shader, but the project I'm working on currently only supports OpenGL 1.1 and I don't have time to convert it to 2.0 and perform all the regression testing necessary. This is also targeting Linux. On other platforms I've been using a MESA extension but it doesn't function on the Nvidia card.

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  • Running cmd commands via .NET?

    - by a2h
    System.Diagnostics.Process proc0 = new System.Diagnostics.Process(); proc0.StartInfo.FileName = "cmd"; proc0.StartInfo.WorkingDirectory = Path.Combine(curpath, "snd"); proc0.StartInfo.Arguments = omgwut; And now for some background... string curpath = System.IO.Path.GetDirectoryName(Application.ExecutablePath); omgwut is something like this: copy /b t.wav + y.wav + p.wav + e.wav + space.wav + i.wav + n.wav + space.wav + s.wav + o.wav + m.wav + e.wav + space.wav + t.wav + e.wav + x.wav + t.wav + space.wav + h.wav + e.wav + r.wav + e.wav + space.wav + a.wav + n.wav + d.wav + space.wav + p.wav + y.wav + r.wav + o.wav + space.wav + w.wav + i.wav + l.wav + l.wav + space.wav + s.wav + h.wav + o.wav + w.wav + space.wav + h.wav + i.wav + s.wav + space.wav + r.wav + e.wav + n.wav + d.wav + i.wav + t.wav + o.wav + n.wav + space.wav output.wav And nothing happens at all. So obviously something's wrong. I also tried "copy" as the executable, but that doesn't work.

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  • Algorithm to generate numerical concept hierarchy

    - by Christophe Herreman
    I have a couple of numerical datasets that I need to create a concept hierarchy for. For now, I have been doing this manually by observing the data (and a corresponding linechart). Based on my intuition, I created some acceptable hierarchies. This seems like a task that can be automated. Does anyone know if there is an algorithm to generate a concept hierarchy for numerical data? To give an example, I have the following dataset: Bangladesh 521 Brazil 8295 Burma 446 China 3259 Congo 2952 Egypt 2162 Ethiopia 333 France 46037 Germany 44729 India 1017 Indonesia 2239 Iran 4600 Italy 38996 Japan 38457 Mexico 10200 Nigeria 1401 Pakistan 1022 Philippines 1845 Russia 11807 South Africa 5685 Thailand 4116 Turkey 10479 UK 43734 US 47440 Vietnam 1042 for which I created the following hierarchy: LOWEST ( < 1000) LOW (1000 - 2500) MEDIUM (2501 - 7500) HIGH (7501 - 30000) HIGHEST ( 30000)

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  • Howto query arp table on iPhone?

    - by anthony vage
    Hi, i am new on iPhone development. I want to integrate wake on lan into my app without squeezing my users to enter the computers mac adress when the ip is already known. I googled for about some hours, take the source code of apples arp tool but i don't know howto manage this on iPhone. I am grateful for any help. Thanks! anthonyvage

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  • Rails routes creating additional info in URL

    - by Danny McClelland
    Hi Everyone, Say if I have a model called 'deliver' and I am using the default URL route of: # Install the default routes as the lowest priority. map.connect ':controller/:action/:id' map.connect ':controller/:action/:id.:format' So the deliver URL would be: http://localhost:3000/deliver/123 What I am trying to work out, is how to use another field from the database alongside or instead of the ID. For example. If I have a field in the create view called 'deliveraddress', how do I put that into the routes? So I can have something link this: http://localhost:3000/deliver/deliveraddress Thanks, Danny

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  • Add Email addressCollection to, cc, bcc and replytoList

    - by san
    i want to add MailAddressCollection with to,cc,bcc and replytolist of my MailMessage(Net.Mail) my code Like MessageEntity.To.Add(GetMailAddress(TOEmailAddress)); MessageEntity.CC.Add(GetMailAddress(CCEmailAddress)); MessageEntity.Bcc.Add(GetMailAddress(BCCEmailAddress)); MessageEntity.RepltToList.Add(GetMailAddress(ReplyEmailAddress)); private static MailAddressCollection GetMailAddress(List<string> LstMailAddress) { MailAddressCollection MAddressCollection = new MailAddressCollection(); if (MailAddress != null) { foreach (string EmailAddress in MailAddress) { if (IsValidEmailId(EmailAddress)) { MAddressCollection.Add((new MailAddress(EmailAddress))); } } } return MAddressCollection; } It is showing the error cannot convert from 'System.Net.Mail.MailAddressCollection' to 'string' Is it possible to add the EmailAddressCollection to email's to/cc/bcc/ReplyToList? Thanks San

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