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• iphone/ipad application - taking screen shot

  - by satyam

  I successfully implemented an application that works on ipad as well as on iphone. In that I provided option to user to send the screen shot of the application as mail attachment. Even that is functioning well. But my code is taking screen shot irrespective of orientation. The image i'm getting is always in portrait mode. I want to take the screen shot depending on the orientation of ipad/iphone and send the image as attachment. I'm using following code to take the screen shot. UIGraphicsBeginImageContext(screenWindow.frame.size); [screenWindow.layer renderInContext:UIGraphicsGetCurrentContext()]; UIImage *screenshot = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext();

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• Any socket programmers out there? How can I obtain the IPv4 address of the client?

  - by Dr Dork

  Hello! I'm prepping for a simple work project and am trying to familiarize myself with the basics of socket programming in a Unix dev environment. At this point, I have some basic server side code setup to listen for incoming TCP connection requests from clients after the parent socket has been created and is set to listen... int sockfd, newfd; unsigned int len; socklen_t sin_size; char msg[]="Test message sent"; char buf[MAXLEN]; int st, rv; struct addrinfo hints, *serverinfo, *p; struct sockaddr_storage client; char ip[INET6_ADDRSTRLEN]; . . //parent socket creation and listen code omitted for simplicity . //wait for connection requests from clients while(1) { //Returns the socketID and address of client connecting to socket if( ( newfd = accept(sockfd, (struct sockaddr *)&client, &len) ) == -1 ){ perror("Accept"); exit(-1); } if( (rv = recv(newfd, buf, MAXLEN-1, 0 )) == -1) { perror("Recv"); exit(-1); } struct sockaddr_in *clientAddr = ( struct sockaddr_in *) get_in_addr((struct sockaddr *)&client); inet_ntop(client.ss_family, clientAddr, ip, sizeof ip); printf("Receive from %s: query type is %s\n", ip, buf); if( ( st = send(newfd, msg, strlen(msg), 0)) == -1 ) { perror("Send"); exit(-1); } //ntohs is used to avoid big-endian and little endian compatibility issues printf("Send %d byte to port %d\n", ntohs(clientAddr->sin_port) ); close(newfd); } } I found the get_in_addr function online and placed it at the top of my code and use it to obtain the IP address of the client connecting... // get sockaddr, IPv4 or IPv6: void *get_in_addr(struct sockaddr *sa) { if (sa->sa_family == AF_INET) { return &(((struct sockaddr_in*)sa)->sin_addr); } return &(((struct sockaddr_in6*)sa)->sin6_addr); } but the function always returns the IPv6 IP address since thats what the sa_family property is set as. My question is, is the IPv4 IP address stored anywhere in the data I'm using and, if so, how can I access it? Thanks so much in advance for all your help!

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• How to get the SMTP response in CACHE

  - by praveenjayapal

  Hi friends, I want to retrive the SMTP response after sending the mail. I need to fetch the response for the send mail (whether its send properly or not) The response must be like this Return-path: itgigs@4wtech.com Envelope-to: [email protected] Delivery-date: Fri, 12 Dec 2008 23:54:57 -0500 Received: from pool-98-109-89-94.nwrknj.fios.verizon.net ([98.109.89.94] helo=Andy-PC) by server.4wtech.com with esmtp (Exim 4.69) (envelope-from itgigs@4wtech.com) id 1LBMWn-0005BH-7u for [email protected]; Fri, 12 Dec 2008 23:54:57 -0500 Date: Sat, 13 Dec 2008 04:55:09 UT From: [email protected] Subject: Web Deverloper Internship (SoHo) (955259288 ) To: [email protected] MIME-Version: 1.0 Content-Type: text/html; charset="ISO-8859-1" Content-Transfer-Encoding: quoted-printable How can i retrieve the SMTP response? Please help me

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• Newlines not being interpreted when passed to php via the command line

  - by CarbonX

  I have a PHP script that I'm invoking from another shell script that sends an automated email with a message generated from the shell script. Problem is, when I send the message all the newline characters are printed into the message. How do I get them to be interpreted? sendmail.sh: /path/to/phpscript/sendmail.php "Some Message With Newlines\nHello World.\n" sendmail.php: $message = $argv[1] . "\nNewline"; $smtp->send($to, $from, $message); The odd thing is the \n after the $argv variable is interpreted and actually prints Newline on a new line, but the newlines in the $argv variable don't, I have tried wrapping the variable in double quotes among other things but so far to no avail.

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• HTTPS and FormAssembly

  - by Mark

  We are using a FormAssembly page to collect feedback - it's hosted within an IFrame on the side of our site's master page. The thing is, that some parts of our site are HTTPS - viewing and posting the form is ok in HTTPS, but the problem comes with the "thank you" page - we are using the configurable custom thank you page (configured within FormAssembly iteself). Is there are way we can send the desired response page up (perhaps via a hidden field within the posted form?) - this way we can send the HTTPS link for the HTTPS version of the form and the normal HTTP link for the HTTP form? Thanks!

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• AJAX works fine in firefox, but malfunctions in Mozilla Prism 0.9

  - by Babiker

  I have the following ajax fucntion: function ajax(value, url, urlVarname, displayContainers_id){ if(value == ''){ document.getElementById(displayContainers_id).innerHTML=''; } /* THIS IS LINE 12*/ xmlhttp = new XMLHttpRequest(); xmlhttp.onreadystatechange=function() { if(xmlhttp.readyState == 4 && xmlhttp.status == 200){ document.getElementById(displayContainers_id).innerHTML=xmlhttp.responseText; } } xmlhttp.open('GET',url + '?varName=' + urlVarname + '&value=' + value, true); /* THIS IS LINE 25 */ xmlhttp.send(); } onmousedown="ajax(document.getElementById('searchParamater').value, 'http://192.168.0.7/controllers/search_controller.php', document.getElementById('searchBy').value, 'ajaxBucket')"> This whole thing works fine in firefox but when i use prism 0.9, it malfunctions and i get the following error in the errors console: Warning: assignment to undeclared variable xmlhttp Source File: http://192.168.0.7/javascript/main.js Line: 12 Error: uncaught exception: [Exception... "Not enough arguments [nsIXMLHttpRequest.send]" nsresult: "0x80570001 (NS_ERROR_XPC_NOT_ENOUGH_ARGS)" location: "JS frame :: http://192.168.0.7/javascript/main.js :: ajax :: line 25" data: no]

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• python sending incomplete data over socket

  - by tipu

  I have this socket server script, import SocketServer import shelve import zlib class MyTCPHandler(SocketServer.BaseRequestHandler): def handle(self): self.words = shelve.open('/home/tipu/Dropbox/dev/workspace/search/words.db', 'r'); self.tweets = shelve.open('/home/tipu/Dropbox/dev/workspace/search/tweets.db', 'r'); param = self.request.recv(1024).strip() try: result = str(self.words[param]) except KeyError: result = "set()" self.request.send(str(result)) if __name__ == "__main__": HOST, PORT = "localhost", 50007 SocketServer.TCPServer.allow_reuse_address = True server = SocketServer.TCPServer((HOST, PORT), MyTCPHandler) server.serve_forever() And this receiver, from django.http import HttpResponse from django.template import Context, loader import shelve import zlib import socket def index(req, param = ''): HOST = 'localhost' PORT = 50007 s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect((HOST, PORT)) s.send(param) data = zlib.decompress(s.recv(131072)) s.close() print 'Received', repr(data) t = loader.get_template('index.html') c = Context({ 'foo' : data }) return HttpResponse(t.render(c)) I am sending strings to the receiver that are in the hundreds of kilobytes. I end up only receiving a portion of it. Is there a way that I can fix that so that the whole string is sent?

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• Invalidating session before iPhone application quits

  - by tartox

  Hello I would like to tell the server to invalidate an ongoing session when the user quits the iPhone application. In the app delegate, I send a request to the server in the (void)applicationWillTerminate:(UIApplication *)application method. I am not waiting for a server answer, I just want to send the request and quit. However I cant see any packet leaving the application. The same code in another place works fine. Session has a limited duration anyway and the server will invalidate it after a while, but I would prefer to do it nicely when leaving application. Is it normal that no NSURLConnection can be established from the applicationWillTerminate method ? Thank you.

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• sms system design

  - by mostafa

  hi, i want a code to send and receive sms message using php script or any other language supported on linux..

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• ixwebhosting php mail() issues with subject

  - by Dave

  I encounter a very strange problem with ixwebhosting. I am able to send email using the php mail() function with $subject = "test"; But if $subject = "testing of information send"; then i won't be able to receive any email But actually "Mail sent!" was displayed in the php page. if (!mail($email, $subject, $body, $from)) { echo "Error Sending Email!"; } else { echo "Mail sent!"; }

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• I want multipart/alternative; ActionMailer only sending text/html

  - by macek

  I'm following the Ruby on Rails Guide: ActionMailer Basics Section 2.7 Snippet: Action Mailer will automatically send multipart emails if you have different templates for the same action. So, for our UserMailer example, if you have welcome_email.text.plain.erb and welcome_email.text.html.erb in app/views/user_mailer, Action Mailer will automatically send a multipart email with the HTML and text versions setup as different parts. Well, I have both: app/views/user_mailer/welcome_mail.text.html.erb app/views/user_mailer/welcome_mail.text.plain.erb app/models/user_mailer.rb class UserMailer < ActionMailer::Base def welcome_mail(user) recipients user.email from "[email protected]" subject "Thanks for registering" body :user => user end end Any luck?

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• Right method to build a online whiteboard - JAVA

  - by Nikhar Sharma

  I am building a whiteboard, which would have a server(teacher) and clients(students). Teacher would draw something on his side, which will be shown exactly same to the students. I want to know which component i should use to do the drawing? i am currently drawing on JPanel . I want the screen of Server gets copied on the clients, so for that what could be the right method to do this? option1: i save the JPanel as image, and send thru socket, and loads it on the screen of client, also it always saves the background image only, not what the user has drawn onto it. OR option2: both server and client JPanel dimensions are same, so i just send the new coordinates drawn everytime thru socket, with some protocol to understand whether it is rubber or pencil.. Any help would be appreciated.

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• sql Code For searching

  - by Manoj Wadhwani

  Could any body send code for searching from talbe which has multiple parameter and parameter can contain value or can be null.

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• AJAX with Ruby on Rails?

  - by Zachary

  This is probably a really dumb question with a simple answer but... I am working on a project where I need to use AJAX to send/receive information. I am using Ruby on Rails (which I am pretty new to), but rather than using the helper methods or the built in functionality in the 'defaults' Javascript file, I need to do this manually in my own Javascript. I believe that ultimately I will want to send a request with a JSON object, then have the controller return another JSON object containing the requested information. The problem is that I cannot seem to find the syntax for sending something to a specific controller method, with parameters, directly from Javascript - everything I Google ends up being tutorials for using the Rails AJAX helper methods.

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• How do you access URL text following the # sign through Java?

  - by cmcculloh

  Using Java (.jsp or whatever) is there a way where I can send a request for this page: http://www.mystore.com/store/shelf.jsp?category=mens#page=2 and have the Java code parse the URL and see the #page=2 and respond accordingly? Basically, I'm looking for the Java code that allows me to access the characters following the hash tag. The reason I'm doing this is that I want to load subsequent pages via AJAX (on my shelf) and then allow the user to copy and paste the URL and send it to a friend. Without the ability of Java being able to read the characters following the hash tag I'm uncertain as to how I would manipulate the URL with Javascript in a way that the server would be able to also read without causing the page to re-load. I'm having trouble even figuring out how to access/see the entire URL (http://www.mystore.com/store/shelf.jsp?category=mens#page=2) from within my Java code...

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• Free SMS API in web application

  - by Hoe Chin

  Does anyone know any sms api i can use in my web application to send sms to users?

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• jQuery Upload Progress Plugin Not working in Chrome and Safari

  - by Conceited Code

  I am using the jquery.uploadprogress plugin to get the upload progress of a file from the NginxHttpUploadProgressModule. This is inside an iframe for a facebook application. It works in firefox, but it fails in chrome/safari. When I open the console I get this. Uncaught ReferenceError: progressFrame is not defined jquery.uploadprogress.js:80 Any idea how I would fix that? I would like to also send the file using AJAX when it is completed. How would I implement that? EDIT: I need this soon and it is important so I am going to put a 100 point bounty on this question. The first person to answer it will receive the 100 points. EDIT 2: Jake33 helped me solve the first problem. First person to leave a response with how to send the file with ajax too will receive the 100 points.

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• Question about AJAX

  - by Doug

  function showHint(str) { if (window.XMLHttpRequest) { xmlhttp=new XMLHttpRequest(); } else { xmlhttp=new ActiveXObject("Microsoft.XMLHTTP"); } xmlhttp.onreadystatechange=function() { if (xmlhttp.readyState==4 && xmlhttp.status==200) { document.getElementById("games").innerHTML=xmlhttp.responseText; } } xmlhttp.open("GET","hw9.database.php?name="+str,true); xmlhttp.send(); } I'm learning AJAX at the moment. The code here basically receives the echo from the PHP and then puts it in element id games. My question is, if I wanted to have AJAX send 3 different http requests to 3 different PHP scripts and if I wanted to retrieve data from each one and then put it in 3 different element id's then would I make 3 copies of this same function? I would imagine that there should be a more efficient way. Thanks!

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• CSMA/CD once channel captured, can only one or multiple frames be sent before other stations try tra

  - by Bryce Thomas

  Hi there, I have a question regarding CSMA/CD in the IEEE 802.3 LAN standard. I'm trying to understand the behavior of CSMA/CD after a station has captured the channel. Say station A has captured the channel and has an infinite supply of frames it is sending. Also assume that station B has something it wants to send. Now, if I understand correctly, station B senses the line and sees that station A has captured the channel/is transmitting. My question is, does station B see the channel as being captured for the duration of ALL of the frames that station A sends (an infinite period of time), or does station B only consider the channel captured for the first frame it sees A send, after which B goes ahead and transmits its own frame (which will collide with one of the remaining frames still coming from A)?

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• Google Analytics cookies

  - by wokena

  My problem: I erased all cookies from my computer. I sent Post request to the X server log and sent me a "normal" Set-Cookie with its parameters, but then somehow it will send request for Google Analytics (GA), in which the "strange" header (utma, utmac, utmcn ...). This happens when I send request in browser. But when I pass a request to login from my program (I programm in Ruby), so my server will return 302 Found, but no request to the GA sends. And I just need these headers ...

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• Access to nested methods when DSL

  - by Vyacheslav Loginov

  class Warcraft def initialize &block instance_eval &block end def method_missing name, *args, &block instance_variable_set("@#{name}".to_sym, args[0]) self.class.send(:define_method, name, proc { instance_variable_get("@#{name}")}) end def game &block @game = Game.new &block end class Game def initialize &block instance_eval &block end def method_missing name, *args, &block instance_variable_set("@#{name}".to_sym, args[0]) self.class.send(:define_method, name, proc { instance_variable_get("@#{name}")}) end end end warcraft = Warcraft.new do name "Warcraft III" battle_net :iccup game do side :sentinels hero "Furion" rune_appear_every 2 end end puts warcraft.inspect # => #<Warcraft:0x00000000be3e80 @name="Warcraft III", @battle_net=:iccup, @game=#<Warcraft::Game:0x000000009c6c38 @side=:sentinels, @hero="Furion", @rune_appear_every=2>> How to access nested methods? puts warcraft.battle_net # => iccup puts warcraft.side #=> #<Proc:[email protected]:9 (lambda)> puts warcraft.game #=> dsl.rb:18:in `instance_eval': block not supplied (ArgumentError) puts warcraft.game.side #=> dsl.rb:18:in `instance_eval': block not supplied (ArgumentError)

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• Outlook 2007 addins for filtering attachments accordingly to recipients.

  - by Susanta

  My question is that I need to send attached mail to domain users and non domain users. Domain users will receive .lnk of the attached file where as non domain users will receive physical file. Now I am doing by capturing send event of outlook and internally divided mail in two parts for domain users I crated .lnk of the file and attached it and sent to user. Where as for non domain users i attached the physical file and sent to the user. But these things are done by sending two mails internally so I am not able to maintain CC, BCC information. I need to do these things in one mail. So it is possible in outlook addins to filter attachments accordingly to recipients.

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• Sending changing params through periodically_call_remote

  - by seaneshbaugh

  I'm using periodically_call_remote to update a portion of a page that contains a list of objects. I send along with the url a param containing the created_at date for the most recent object in the database. The action that is called then get all the objects that have been created since then and renders a partial which displays them at the top of the list. The problem is that I can't seem to figure out how to make it so that the next time periodically_call_remote triggers it sends along the created_at date for the new most recent object (if there is one). I tried putting the periodically_call_remote inside the partial that is being rendered but that caused all sorts of problems (http://www.ruby-forum.com/topic/101614 explains why you shouldn't do that). Is there some way I can make periodically_call_remote send along a new param each time it's called? As it stands right now it just sends the same one over and over which means that new objects get rendered more than once.

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• How to programmatically launch a chromecast app from command line

  - by pushmatrix

  I want to launch a Chromecast app but NOT using the chrome extension or iOS or Android. Doing this from command line. I noticed that you can send a POST to your chromecast, and it will launch an app. For example if I do curl -H “Content-Type: application/json” http://CHROMECAST_IP:8008/apps/YouTube -X POST -d ‘v=oHg5SJYRHA0' Then it will start up youtube. But for some reason I can't do this with custom apps (in dev mode). I thought I'd be able to send a POST to http://CHROMECAST_IP:8008/apps/MY_REGISTERED_APP_ID, but no luck. I just get a 404 response. Hmmm... My app is just a simple webpage (it is not streamed media). I want to run a little headless server that starts my chromecast app everyday via a CRON task. Any help is greatly appreciated! Thanks :)

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• Can NSTask safely be used outside the main thread?

  - by neoneye

  Yesterday I read somewhere that NSTask isn't thread safe and that bothers me a lot, because I'm running a NSTask within a NSThread and is so far not experiencing any threading issues with it. My code is organized like this A: main thread -> B: worker thread -> C: worker task C: The worker task is a commandline program. B: The worker thread can start/stop the worker task and send it commands. A: The main thread can send commands to the worker thread. If NSTask is supposed to be used only within the main thread, then I'm considering moving the NSTask start/stop code to the main thread, just to prevent possible threading issues. Can NSTask be used outside the main thread? And if not then what may be the threading issues with NSTask?

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