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• In C#, how to check if a TCP port is available?

  - by Ali

  In C# to use a TcpClient or generally to connect to a socket how can I first check if a certain port is free on my machine? more info: This is the code I use: TcpClient c; //I want to check here if port is free. c = new TcpClient(ip, port);

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• Do .NET Timers Run Asynchronously?

  - by MrEdmundo

  I have a messaging aspect of my application using Jabber-net (an XMPP library.) What I would like to do, if for some reason the connection to the Server is ended, is keep trying to connect every minute or so. If I start a Timer to wait for a period of time before the next attempt, does that timer run asynchronously and the resulting Tick event join the main thread, or would I need to start my own thread and start the timer from within there?

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• java.lang.ClassNotFoundException: com.mysql.jdbc.Driver

  - by Nitin Garg

  I am trying to connect to mysql database using java on windows7. Inspite of adding the complete url of jdbcdriver jar file in CLASSPATH, java.lang.ClassNotFoundException: com.mysql.jdbc.Driver is thrown. Could anyone tell me what i am missing here?? it works if i add the jar file in project library but i want to do it by CLASSPATH itself. My classpath looks like this- C:\jython2.5.1\javalib\mysql-connector-java-5.1.12-bin.jar

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• signal qt from a non-qt thread, QueuedConnection

  - by lj8888

  hello, I am signaling my Qt GUI thread from a boost::thread, and I am using a Qt::QueuedConnection, connect(src, SIGNAL(signal-signature), dest, SLOT(slot-signature), Qt::QueuedConnection); and still, when I emit the signal my slot does not get called.

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• Application time out issue

  - by harigm

  I have build the web application using Java1.5, Struts framework with Mysql database Deployed on the JBOSS4.0.5 Server Every thing seems to be fine when the activity is there on the server. Every morning, If I tried to connect to application, it shows the application is down. Once I restart the server, It works fine. From past 1 month, I am just restarting the server every day. Can any one help me where I am doing wrong in the configuration settings Please suggest me How i can eliminate this extra work every day

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• How to shutdown the UDC (usage data collection) from eclipse

  - by damian

  I want to shutdown the UDC. It's very heavy for my pc. I already uncheck the "Enable Capture" checkbox but I have the feeling that it stay enable in the background. It constantly ask me the user and password of the proxy. I do not want an eclipse always trying to connect to internet and doing background procesing that I don't need.

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• How to reconnect to slime/swank-clojure session?

  - by Mad Wombat

  It seems that whenever I disconnect from clojure slime session, I cannot reconnect again. I am using leiningen to start the swank session (with lein-swank plugin). So, every time I quit emacs (I know I shouldn't) or reboot/logout I have to restart both slime and swank. Is there a way to re-connect to a slime/clojure-swank session?

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• Can ActiveRecord create tables outside of a migration?

  - by Munkymorgy

  I am working on a non Rails web app, so no migrations script by default. The Sequel ORM lets me create tables easily in a script: #!/usr/bin/env ruby require 'rubygems' require 'sequel' ## Connect to the database DB = Sequel.sqlite('./ex1.db') unless DB.table_exists? :posts DB.create_table :posts do primary_key :id varchar :title text :body end end Is there a way todo this with ActiveRecord outside of migrations?

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• Facebook application, how to check if inside Facebook canvas / standalone using PHP?

  - by Andree

  Hi there, I want to develop a Facebook connect application that can operate both inside a Facebook canvas or standalone. Can I check if the user is using Facebook canvas / not using the official Facebook PHP client library? Thanks, Andree

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• Is there a CMS system that runs on Windows Azure?

  - by Phil Wright

  I am looking to build a new website using Windows Azure and SQL Azure. Does anyone know of any commerical or free CMS systems that I can use as the Web Role and that will connect and use SQL Azure as the storage?

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• Visual Source Safe on Mac OS X

  - by Jonathan Badeen

  Is there an application or API for using/accessing Visual SourceSafe (6.0) under Mac OS X? I'm currently using VSS Connect under Parallels for working with our company's ASP.NET site/s. I currently have my Windows drive shared and try to use TextMate on the Mac side to actually edit files. It would be nice to have the ability to check files in/out outside of my virtual machine though.

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• How can I use a 3G internet connection in my Android App?

  - by gamernb

  I have made an App that can connect to a program that I am running on a server, but it only seems to work with WiFi. When I try to use 3G it doesn't make the connection. Is there something special that I have to turn on or set in order to use 3G?

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• Basic social network functionality

  - by Dimitar Vouldjeff

  Hi, I'm going to develop a social like network using Ruby on Rails. For this app I need basic social functionality like friends, activities, authentication, user profile, facebook connect, comments. I searched for rails plugins with social functions and i found - tog and community engine. So which is better and more easier to extend? Thanks

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• Android: NullPointerException at android.app.ActivityThread$PackageInfo$ServiceDispatcher.doConnecte

  - by Isaac Waller

  Hello, I am getting a NullPointerException at android.app.ActivityThread$PackageInfo$ServiceDispatcher.doConnected(ActivityThread.java:1012). My application is not even in the stack trace, so I have no idea what is going on. I am trying to connect to a service when it happens. How can I fix this problem? Thanks, Isaac Waller

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• Adobe Air - Read information from LDAP server

  - by whoopy_whale

  Hi, I have an AIR application and would like to connect to an LDAP server to obtain some information for a particular user. The url is something like ldap://ldapservername:389/ I would like to pass the userid/Name as the parameter and hope to retrieve the Full Name, Email address etc. Can you please provide suggestions regarding implementing this? A Windows specific solution is also fine with me.

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• Infopath 2007 and WCF Data Connection

  - by Nathan Fisher

  I am having trouble trying to connect an Infopath 2007 form to an WCF web service. I appears that the Infopath only wants to communicate via a SOAP 1.0 message. To get around the issue for the moment I have created an .asmx web service. Should I consider continuing down this workaround or figure out a way to get WCF to dish out SOAP 1.0 1.1 messages?

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• Why am i getting these errors from GitHub?

  - by acidzombie24

  I followed these instruction and could not connect to github for the life of me. >plink -ssh github.com FATAL ERROR: Disconnected: No supported authentication methods available plink -ssh [email protected] You've successfully authenticated, but GitHub does not with tortoisegit git.exe push "origin" master ERROR: Permission to name/MyEmptyRepoOnGitHubHere denied to name. fatal: The remote end hung up unexpectedly Whats going on? NOTE: I followed the instructions carefully. It was a lot worse before i followed them.

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• MySQL: SSH Connection through Terminal in MAC

  - by RedEye

  Hi Thanks for reading my question. I currently use Mac Terminal to use MySQL. I connect to either localhost or a remote server. Should I be using SSH?

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• Sending multiline message via sockets without closing the connection

  - by Yasir Arsanukaev

  Hello folks. Currently I have this code of my client-side Haskell application: import Network.Socket import Network.BSD import System.IO hiding (hPutStr, hPutStrLn, hGetLine, hGetContents) import System.IO.UTF8 connectserver :: HostName -- ^ Remote hostname, or localhost -> String -- ^ Port number or name -> IO Handle connectserver hostname port = withSocketsDo $ do -- withSocketsDo is required on Windows -- Look up the hostname and port. Either raises an exception -- or returns a nonempty list. First element in that list -- is supposed to be the best option. addrinfos <- getAddrInfo Nothing (Just hostname) (Just port) let serveraddr = head addrinfos -- Establish a socket for communication sock <- socket (addrFamily serveraddr) Stream defaultProtocol -- Mark the socket for keep-alive handling since it may be idle -- for long periods of time setSocketOption sock KeepAlive 1 -- Connect to server connect sock (addrAddress serveraddr) -- Make a Handle out of it for convenience h <- socketToHandle sock ReadWriteMode -- Were going to set buffering to LineBuffering and then -- explicitly call hFlush after each message, below, so that -- messages get logged immediately hSetBuffering h LineBuffering return h sendid :: Handle -> String -> IO String sendid h id = do hPutStr h id -- Make sure that we send data immediately hFlush h -- Retrieve results hGetLine h The code portions in connectserver are from this chapter of Real World Haskell book where they say: When dealing with TCP data, it's often convenient to convert a socket into a Haskell Handle. We do so here, and explicitly set the buffering – an important point for TCP communication. Next, we set up lazy reading from the socket's Handle. For each incoming line, we pass it to handle. After there is no more data – because the remote end has closed the socket – we output a message about that. Since hGetContents blocks until the server closes the socket on the other side, I used hGetLine instead. It satisfied me before I decided to implement multiline output to client. I wouldn't like the server to close a socket every time it finishes sending multiline text. The only simple idea I have at the moment is to count the number of linefeeds and stop reading lines after two subsequent linefeeds. Do you have any better suggestions? Thanks.

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• sms using bluetooth com port connection guidance

  - by user287745

  Mobile phone AT & T guidance? i connect my china/ and nokia phone using bluetooth COM PORT CONNECTION it say com at 5, i would like to use this connection to send and receive sms using c#. please guide, resources, example code. thank you

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• PHP REST Clients

  - by Jamie Rumbelow

  I'm trying to connect to a RESTful web service, but I'm having some troubles, especially when sending data over PUT and DELETE. With cURL, PUT requires a file to send, and DELETE is just weird. I'm perfectly capable of writing a client using PHP's socket support and writing the HTTP headers myself, but I wanted to know whether you guys have ever used or seen a REST client for PHP?

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• HTTP basic authentication using sockets in python

  - by user352958

  How to connect to a server using basic http auth thru sockets in python .I don't want to use urllib/urllib2 etc as my program does some low level socket I/O operations

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• Asynchronous Webpart

  - by Phong Dang

  Dear all, I have a DataGrid control on webpart. DataSource of it connect to SQL. How can we use Asynchronous mode in this case ? Please help me ! Thanks / Phong Dang.

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• Dialup modem transmission protocols and reates (client and server)

  - by deb

  Hello, Does anybody know why when connecting two dial-up modems the maximum protocol you can use to stablish the communication is V.34 -33.6K? I've read that you can connect with the server modems of the ISP using V.92 or V.90 and I would like to know if there is any explanation to this. Thanks in advance.

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• Which is the best python library to make REST request like PUT, GET, DELETE, POST and how ?

  - by Parthiv

  Hi, I am bit confuse over set of libraries of pythons to connect with REST enabled web services. I have tried httplib, urllib and urllib2. I want to know how can methods like PUT, GET, POST, DELETE can be achieved using this library. Regards, Parthiv

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