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  • Cannot find protocol declaration in Xcode

    - by edie
    Hi.. I've experienced something today while I'm building my app. I've added a protocol in my object and assign delegate object on it. I added the protocol on the object that will implement the protocol's method. I've added it in this way as usual @interface MyObject : UIViewController <NameOfDelegate> But the Xcode says that my the protocol declaration cannot be found. I've check my code but I've declared this protocol. I've try to assign MyObject as delegate of other Object. I've edit my code like this @interface MyObject : UIViewController <UITableViewDelegate,NameOfDelegate> but Xcode say again that it cannot found declaration of protocol of NameOfDelegate. I've tried to delete the NameOfDelegate on my code and add assign MyObject as delegate of other object and it goes like this. @interface MyObject : UIViewController <UITableViewDelegate,UITabBarDelegate> No errors have been found. Then I've tried again to add again my NameOfDelegate in the code @interface MyObject : UIViewController <UITableViewDelegate,UITabBarDelegate,NameOfDelegate> At that time Xcode did not find any error on my code. So I tried again to remove the UITableViewDelegate and UITabBarDelegate on my code. @interface MyObject : UIViewController <NameOfDelegate> At that time No error had found but that was the same code I've write before. What should probably the cause of that stuff on my code? Thanks...

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  • Error with custom Class definition in protocol

    - by Greg
    I'm trying to set up a custom delegate protocol and am getting a strange error that I don't understand. I wonder if someone could point out what I'm doing wrong here (I'm still new to Ob-C and protocol use)... The situation is that I've built my own URLLoader class to manage loading and parsing data from the internet. I'm now trying to set up a protocol for delegates to implement that will respond to the URLLoader's events. So, below is my protocol... #import <UIKit/UIKit.h> #import "URLLoader.h" /** * Protocol for delegates that will respond to a load. */ @protocol URLLoadResponder <NSObject> - (void)loadDidComplete:(URLLoader *)loader; - (void)loadDidFail:(URLLoader *)loader withError:(NSString *)error; @end However, I'm getting the following error for both method signatures: Expected ')' before 'URLLoader' I feel like I must be overlooking something small and silly. Any help folks could offer would be greatly appreciated! Whoops ... it was pointed out that I should include URLLoader.h. Here it is: #import <Foundation/Foundation.h> #import "URLLoadResponder.h" /** * URLLoader inferface. */ @interface URLLoader : NSObject { NSString *name; NSString *loadedData; NSMutableData *responseData; NSObject *delegate; BOOL _isLoaded; } @property (nonatomic, retain) NSString *name; @property (nonatomic, retain) NSString *loadedData; @property (nonatomic, retain) NSObject *delegate; - (void)loadFromURL:(NSString *)url; - (void)addCompleteListener:(id)observer selector:(SEL)sel; - (void)removeCompleteListener:(id)observer; - (void)parseLoadedData:(NSString *)data; - (void)complete; - (void)close; - (BOOL)isLoaded; + (NSURL *)makeUrlWithString:(NSString *)url; + (URLLoader *)initWithName:(NSString *)name; @end

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  • Error 107 (net::ERR_SSL_PROTOCOL_ERROR): SSL protocol error on localhost

    - by Ne0
    Background: I set up a cloud server and have have a website running SSL, it was all pretty strait forward following these instructions and following the instructions given by the SSL certificate issuer. I then went to set up development site on my local machine the same way but using self signed certs using these instructions. I have checked that port 443 is open and this post suggests it is a bad configuration on the server. I have gone through the set up process twice, yet I have been unable to find out what I have done wrong or missed. Does anyone else know what I may have have missed to get this error? Note: As the links suggest this is on 12.04.

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  • Multiple vulnerabilities in Network Time Protocol (NTP)

    - by chandan
    CVE DescriptionCVSSv2 Base ScoreComponentProduct and Resolution CVE-2009-0021 Improper Authentication vulnerability 5.0 Firmware SPARC T3-4 SPARC: 147317-01 SPARC T3-2 SPARC: 147316-01 SPARC T3-1B SPARC: 147318-01 SPARC T3-1 SPARC: 147315-01 Netra SPARC T3-1B SPARC: 147320-01 Netra SPARC T3-1 SPARC: 147319-01 Netra SPARC T3-1BA SPARC: 144609-07 CVE-2009-0159 Buffer Overflow vulnerability 6.8 CVE-2009-3563 Denial of Service (DoS) vulnerability 6.4 This notification describes vulnerabilities fixed in third-party components that are included in Sun's product distribution.Information about vulnerabilities affecting Oracle Sun products can be found on Oracle Critical Patch Updates and Security Alerts page.

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  • ORE graphics using Remote Desktop Protocol

    - by Sherry LaMonica
    Oracle R Enterprise graphics are returned as raster, or bitmap graphics. Raster images consist of tiny squares of color information referred to as pixels that form points of color to create a complete image. Plots that contain raster images render quickly in R and create small, high-quality exported image files in a wide variety of formats. However, it is a known issue that the rendering of raster images can be problematic when creating graphics using a Remote Desktop connection. Raster images do not display in the windows device using Remote Desktop under the default settings. This happens because Remote Desktop restricts the number of colors when connecting to a Windows machine to 16 bits per pixel, and interpolating raster graphics requires many colors, at least 32 bits per pixel.. For example, this simple embedded R image plot will be returned in a raster-based format using a standalone Windows machine:  R> library(ORE) R> ore.connect(user="rquser", sid="orcl", host="localhost", password="rquser", all=TRUE)  R> ore.doEval(function() image(volcano, col=terrain.colors(30))) Here, we first load the ORE packages and connect to the database instance using database login credentials. The ore.doEval function executes the R code within the database embedded R engine and returns the image back to the client R session. Over a Remote Desktop connection under the default settings, this graph will appear blank due to the restricted number of colors. Users who encounter this issue have two options to display ORE graphics over Remote Desktop: either raise Remote Desktop's Color Depth or direct the plot output to an alternate device. Option #1: Raise Remote Desktop Color Depth setting In a Remote Desktop session, all environment variables, including display variables determining Color Depth, are determined by the RCP-Tcp connection settings. For example, users can reduce the Color Depth when connecting over a slow connection. The different settings are 15 bits, 16 bits, 24 bits, or 32 bits per pixel. To raise the Remote Desktop color depth: On the Windows server, launch Remote Desktop Session Host Configuration from the Accessories menu.Under Connections, right click on RDP-Tcp and select Properties.On the Client Settings tab either uncheck LimitMaximum Color Depth or set it to 32 bits per pixel. Click Apply, then OK, log out of the remote session and reconnect.After reconnecting, the Color Depth on the Display tab will be set to 32 bits per pixel.  Raster graphics will now display as expected. For ORE users, the increased color depth results in slightly reduced performance during plot creation, but the graph will be created instead of displaying an empty plot. Option #2: Direct plot output to alternate device Plotting to a non-windows device is a good option if it's not possible to increase Remote Desktop Color Depth, or if performance is degraded when creating the graph. Several device drivers are available for off-screen graphics in R, such as postscript, pdf, and png. On-screen devices include windows, X11 and Cairo. Here we output to the Cairo device to render an on-screen raster graphic.  The grid.raster function in the grid package is analogous to other grid graphical primitives - it draws a raster image within the current plot's grid.  R> options(device = "CairoWin") # use Cairo device for plotting during the session R> library(Cairo) # load Cairo, grid and png libraries  R> library(grid) R> library(png)  R> res <- ore.doEval(function()image(volcano,col=terrain.colors(30))) # create embedded R plot  R> img <- ore.pull(res, graphics = TRUE)$img[[1]] # extract image  R> grid.raster(as.raster(readPNG(img)), interpolate = FALSE) # generate raster graph R> dev.off() # turn off first device   By default, the interpolate argument to grid.raster is TRUE, which means that what is actually drawn by R is a linear interpolation of the pixels in the original image. Setting interpolate to FALSE uses a sample from the pixels in the original image.A list of graphics devices available in R can be found in the Devices help file from the grDevices package: R> help(Devices)

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  • Deep-protocol analysis of UNIX networks

    <b>developerWorks: </b>"Whether you are monitoring your network to identify performance issues, debugging an application, or have found an application on your network that you do not recognize, occasionally you need to look deep into the protocols being used on your UNIX network to understand what they are doing."

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  • copying same file name from client to server using tcp protocol with same size of file

    - by user3686570
    This is the client and server program where a client sends a file to server to save in the server. There is a issuse in that same file name is not getting copied on the server with same file size Please help me in this Client program import socket import sys s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect(("localhost",9999)) path=raw_input("Please enter the complete PATH of your file : ") f=open (path, "rb") l = f.read(256) while (l): s.sendall(l) l = f.read(10000) s.close() Server Program import socket import sys s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.bind(("localhost",9999)) s.listen(10) while True: s, address = s.accept() print address i=1 f = open( str(i),'wb') #open in binary #i=i+1 while (True): l=s.recv(256) #while (l): f.write(l) l=s.recv(256) print 'File recieve succesfully' f.close() #sc.close() s.close() Thanks in advance

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  • Open source chat protocol that handles voice & video?

    - by marcusw
    I'm looking for a chat protocol which: Has easy to use clients which will run on both Windows and Linux. Has a server which I can run myself on Linux (preferably easy to set up). Supports duplexed voice and video with minimal hassle (optional). Is open source/free software. Is there a protocol that fulfils these requirements?

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  • Pidgin: suppress notifications for account or protocol

    - by Matchu
    I'm excited that Facebook Chat now easily plugs into Pidgin, but don't like getting all these notifications. Is there a way to suppress notifications for a single account or protocol? Well, if it's a protocol solution, though, I'd still like notifications on Gmail, which is also XMPP. Interesting. Thanks!

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  • How can I use Outlook 2007 to connect to mail service using active sync protocol

    - by Dan
    Has anyone tried connected outlook(I am running v2007 on Windows 7) to a mail service using the MS Exchange Active Sync protocol? If so, how did you do it? Wouldn't this solution probably eliminate the need for all the hacks/APIs needed to connect outlook to 'X' mail (Gmail, notes, etc)? I know it is intended for mobile devices, but to me it looks like it is becoming the latest 'de facto' mail protocol for email/calendar/contact sync'ing due to the iPhone's support for it. Thanks!

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  • How Spanning Tree Protocol detects Loops

    - by AMIT
    For last few days I've been reading about Spanning Tree Protocol ,L2 protocol and understood how it prevents loop in network ,various steps in STP but one thing i wanted to know how STP actually detects the loops in network so that it can prevent it.Somewhere I read STP uses BPDU as probe and detects loops I mean how it happen is when switch send a BPDU with Destination Address as multicast and receive same BPDU again mean there is loop in network . But is it how STP detects loops in network?

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  • Is there a way to force HTTPS protocol in a Kohana 2.3 site?

    - by alex
    I've got a site built on top of Kohana 2.3 which I now have to make all links https. I set this in application/config/config.php. $config['site_protocol'] = 'https'; This makes all links on the site use the https protocol. Except, when I first enter the site via http, it will not automatically forward to https. Is there a way to make Kohana do this, or do I just need to do some custom coding? I've found this .htaccess rule too, will it be fine to just drop this in? RewriteEngine On RewriteCond %{SERVER_PORT} !=443 RewriteRule ^ https://yourdomain.tld%{REQUEST_URI} [NS,R,L] Thanks.

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  • Where can I find the transaction protocol used by Automated Teller Machines?

    - by Dave
    I'm doing a grad-school software engineering project and I'm looking for the protocol that governs communications between ATMs and bank networks. I've been googling for quite a while now, and though I'm finding all sorts of interesting information about ATMs, I'm surprised to find that there seems to be no industry standard for high-level communications. I'm not talking about 3DES or low-level transmission protocols, but something along the lines of an Interface Control Document; something that governs the sequence of events for various transactions: verify credentials, withdrawal, check balance, etc. Any ideas? Does anything like this even exist? I can't believe that after all this time the banks and ATM manufacturers are still just making this up as they go. A shorter question: if I wanted to go into the ATM software manufacturing business, where would I start looking for standards?

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  • what's the right way to do polymorphism with protocol buffers?

    - by user364003
    I'm trying to long-term serialize a bunch of objects related by a strong class hierarchy in java, and I'd like to use protocol buffers to do it due to their simplicity, performance, and ease of upgrade. However, they don't provide much support for polymorphism. Right now, the way I'm handling it is by having a "one message to rule them all" solution that has a required string uri field that allows me to instantiate the correct type via reflection, then a bunch of optional fields for all the other possible classes I could serialize, only one of which will be used (based on the value of the uri field). Is there a better way to handle polymorphism, or is this as good as I'm going to get?

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  • How can I register a custom protocol with xdg ?

    - by julien
    I've been struggling this morning trying to associate an application with a custom protocol, namely emacsclient and org-protocol. I'm calling this protocol from a webbrowser bookmarklet, and I get the following behaviour : In chromium, the "Launch Application" dialog comes up, and calls xdg-open org-protocol://... which ends up firing a new chromium frame. In firefox, I've tried setting network.protocol-handler.app.org-protocol to an empty string or my emacsclient path, anyhow I get the following error message : "Firefox doesn't know how to open this address, because the protocol (org-protocol) isn't associated with any program" without even showing any external application selection dialog. I'm not using any desktop environment, so I need to make this work strictly with xdg, however, despite reading the shared mime info spec etc, I still can't fathom a working configuration.

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  • How can I register a custom protocol with xdg?

    - by julien
    I've been struggling this morning trying to associate an application with a custom protocol, namely emacsclient and org-protocol. I'm calling this protocol from a webbrowser bookmarklet, and I get the following behaviour : In chromium, the "Launch Application" dialog comes up, and calls xdg-open org-protocol://... which ends up firing a new chromium frame. In firefox, I've tried setting network.protocol-handler.app.org-protocol to an empty string or my emacsclient path, anyhow I get the following error message : "Firefox doesn't know how to open this address, because the protocol (org-protocol) isn't associated with any program" without even showing any external application selection dialog. I'm not using any desktop environment, so I need to make this work strictly with xdg, however, despite reading the shared mime info spec etc, I still can't fathom a working configuration.

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  • Oracle Error ORA-12560 TNS:Protocol Adapter error?

    - by David Basarab
    I am using Oracle Database 10g. Both Servers are Windows 2003. I have an Orcale Database set up on one server. Here is the TNSNames.ora from the server with the database. # tnsnames.ora Network Configuration File: C:\oracle\product\10.2.0\db_1\network\admin\tnsnames.ora # Generated by Oracle configuration tools. ORCL.VIRTUALHOLD.COM = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = databaseServer)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = orcl) ) ) The Environmental Variables on the Server are ORACLE_HOME = C:\oracle\product\10.2.0\db_1 ORACLE_SID = orcl I am trying to connect to it from another box that has Oracle Client installed. Here is the tnsnames.ora installed on the other client server. # tnsnames.ora Network Configuration File: C:\oracle\product\10.2.0\client_1\network\admin\tnsnames.ora # Generated by Oracle configuration tools. ORCL = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = databaseServer)(PORT = 1521)) ) (CONNECT_DATA = (SERVICE_NAME = orcl) ) ) ORACLE_HOME = C:\oracle\product\10.2.0\client_1 ORACLE_SID = orcl Locally on the database server I can connect to through sqlplus with no issues. On the client machine I keep getting the error: ORA-12560: TNS:protocol adapter error What am I missing? Does the client TNSNames.ora need to be different?

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  • Steps to deploy a custom routing protocol

    - by user134589
    I'm a Ph.D Student and I'm researching a Service Centric Networking architecture with resourceallocation on a large scale. What I'm looking to do is expand an existing routing protocol like OSPF with extra fields and some new message types that I need for communication between Nodes. I want to manipulate the cost of a network link and I want paths to be calculated like in OSPF V2/v3, but using the cost that my algorithms have calculated. What I have I have the source code of OSPF from Quagga. I am assuming I can edit this code how I want, including packet structures and creating new types. Yes, I am aware it won't be easy but this is a 6 years research project and I am eager to develop something new, to move forward. What I need I would like to know how I can deploy the edited OSPF source files I have (written in C) on any type of server. I have a large testbed environment available with hundreds of virtual nodes and pretty much any OS out there. So if I want to test my extended protocol, how do I make all the nodes in a network use this to communicate? I do not understand what parts of the kernel I need to edit here. I tried searching for days now and I am unable to find how to deploy a non-existing routing protocol, without the use of an application-level framework. If somebody could push me in the right direction that'd be awesome. note: I need this to be a routingprotocol and not an application, since I want this to work on op of the network layer for performance reasons. Thanks!

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  • OpenSSL force client to use specific protocol

    - by Ex Umbris
    When subversion attempts to connect to an https URL, the underlying protocol library (openssl) attempts to start the secure protocol negotiation at the most basic level, plain SSL. Unfortunately, I have to connect to a server that requires SSL3 or TLS1, and refuses to respond to SSL or SSL2. I’ve done some troubleshooting using s_client and confirmed that if I let s_client start with the default protocol the server never responds to the CLIENT HELLO: $ openssl s_client -connect server.domain.com:443 CONNECTED(00000003) write:errno=104 --- no peer certificate available --- No client certificate CA names sent --- SSL handshake has read 0 bytes and written 320 bytes --- New, (NONE), Cipher is (NONE) Secure Renegotiation IS NOT supported Compression: NONE Expansion: NONE --- Watching this in Wireshark I see: Client Server -------syn----------> <------ack----------- ---CLIENT HELLO-----> <------ack----------- [60 second pause] <------rst----------- If I tell s_client to use ssl2 the server immediately closes the connection. Only ssl3 and tls1 work. Is there any way to configure openssl to skip SSL and SSL2, and start the negotiation with TLS or SSL3? I've found the OpenSSL config file, but that seems to control only certificate generation.

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  • Objective-C Pointer to class that implements a protocol

    - by Winder
    I have three classes which implement the same protocol, and have the same parent class which doesn't implement the protocol. Normally I would have the protocol as pure virtual functions in the parent class but I couldn't find an Objective-C way to do that. How can I utilize polymorphism on these subclasses and call the functions implemented in the protocol without warnings? Some pseudocode if that didn't make sense: @interface superclass: NSObject {} @interface child1: superclass<MyProtocol> {} @interface child2: superclass<MyProtocol> {} The consumer of these classes: @class child1 @class child2 @class superclass @interface SomeViewController: UIViewController { child1 *oneView; child2 *otherView; superclass *currentView; } -(void) someMethod { [currentView protocolFunction]; } The only nice way I've found to do pure virtual functions in Objective-C is a hack by putting [self doesNotRecognizeSelector:_cmd]; in the parent class, but it isn't ideal.

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  • How to Consume a WebService(created by C#) using Https protocol

    - by Navaneeth A Krishnan
    I'm developing a small project, that is an C# web service, i did that but now i want to run the web service using the protocol HTTPS, for that i have installed web authentication certificate in my system and my IIS 5.1 server is running under HTTPS protocol(i have configured in that directory security) But now i want to invoke the web service using the HTTPS protocol, somebody told that, i need to modify the WSDL file for that web service but i don't know how to do it... now my service url is like this.... http://localhost:2335/SWebService.asmx here i would like to use https instead of http

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