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  • Silverlight TV 17: Build a Twitter Client for Windows Phone 7 with Silverlight

      At MIX10 this week it was announced that you can develop Windows Phone 7 apps using Silverlight! In this episode, Mike Harsh comes back to Silverlight TV to show John how easy it is to develop a real world application for Windows Phone 7 Series (WP7) using Silverlight. Within minutes, Mike has developed and started running a functional WP7 twitter application that makes cross domain calls. He demonstrates how to design the interface using the designer and tools in Visual Studio 2010 Express...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • This Week on the Green Data Center Management Front

    Among the big news this week in green data center management: Horizon Data Center Solutions announces a partnership with Power Loft, Cisco, GDSYS, and Incheon Metropolitan City partner to build a next-generation green data center, and Vycon Energy demonstrates how its flywheel backup power systems can be used for health-care data system power backup.

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  • I can't save my settings in Ubuntu One client in windows7

    - by user209470
    I have Ubuntu 12.04 at home and windows7 at work. I sync Documents between them with Ubuntu One. In W7 I can't set/save the settings. In syncdaemon-exceptions.log there is error: File "ubuntuone\syncdaemon\config.pyc", line 317, in save exceptions.IOError: [Errno 2] No such file or directory: 'C:\\Users\\F\xc3\xb6ldi Ferenc\\AppData\\Local\\ubuntuone\\syncdaemon.conf.new' The directory is exist. The file is not. The W7 language is Hungarian.

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  • Real-time Big Data Analytics is a reality for StubHub with Oracle Advanced Analytics

    - by Mark Hornick
    What can you use for a comprehensive platform for real-time analytics? How can you process big data volumes for near-real-time recommendations and dramatically reduce fraud? Learn in this video what Stubhub achieved with Oracle R Enterprise from the Oracle Advanced Analytics option to Oracle Database, and read more on their story here. Advanced analytics solutions that impact the bottom line of a business are challenging due to the range of skills and individuals involved in realizing such solutions. While we hear a lot about the role of the data scientist, that role is but one piece of the puzzle. Advanced analytics solutions also have an operationalization aspect that also requires close proximity to where the transactional activity occurs. The data scientist needs access to the right data with which to model the business problem. This involves IT for data collection, management, and administration, as well as ensuring zero downtime (a website needs to be up 24x7). This also involves working with the data scientist to keep predictive models refreshed with the latest scripts. Integrating advanced analytics solutions into enterprise apps involves not just generating predictions, but supporting the whole life-cycle from data collection, to model building, model assessment, and then outcome assessment and feedback to the model building process again. Application and web interface designers need to take into account how end users will see and use the advanced analytics results, e.g., supporting operations staff that need to handle the potentially fraudulent transactions. As just described, advanced analytics projects can be "complicated" from just a human perspective. The extent to which software can simplify the interactions among users and systems will increase the likelihood of project success. The ability to quickly operationalize advanced analytics projects and demonstrate measurable value, means the difference between a successful project and just a nice research report. By standardizing on Oracle Database and SQL invocation of R, along with in-database modeling as found in Oracle Advanced Analytics, expedient model deployment and zero downtime for refreshing models becomes a reality. Meanwhile, data scientists are also able to explore leading edge techniques available in open source. The Oracle solution propels the entire organization forward to realize the value of advanced analytics.

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  • This Week's News From the Green Data Center Management Front

    Among this week's developments in green data center management: myriad federal and state tax credits are now available for Green IT projects related to data centers; the EPA is finalizing its Energy Star program for data centers; and Numara Software has a way to help you better green your data center.

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  • The HTG Guide to Hiding Your Data in a TrueCrypt Hidden Volume

    - by Jason Fitzpatrick
    Last week we showed you how to set up a simple, but strongly encrypted, TrueCrypt volume to help you protect your sensitive data. This week we’re digging in deeper and showing you how to hide your encrypted data within your encrypted data. The HTG Guide to Hiding Your Data in a TrueCrypt Hidden Volume Make Your Own Windows 8 Start Button with Zero Memory Usage Reader Request: How To Repair Blurry Photos

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  • FTP client host mismatch (2 replies)

    I am trying to use ftp from a windows host to another windows host. However, when I invoked it, I found the target host using unix syntax for the ftp even tho it is a windows server, which is why I kept getting syntax errors. What is causing this and how can I fix? Thanks in advance

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  • Inserting data to database from Android

    - by Angel
    I have to build an application where the requirement is that my clients will send data from their Android device and I have to save that data to a database. I have done the part of coding that inserts data from Android emulator to my XAMPP database on localhost, now I have to implement the real thing. How can I connect the devices where my application will be installed to the XAMPP database I have created so that the data they send can be inserted into it?

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  • LTSP keeping sessions active whilst turning off thin clients

    - by map7
    I'm using LTSP on a Ubuntu 10.04 64bit box with 8 thin clients. I would like to save power by automatically turning off the thin clients at night, but I would like to have the ability to resume the staff's session in the morning. Is it possible to keep a session running whilst turning off the LTSP thin client and resuming that session when you power up the thin client the next time? Could this work if you login to another thin client in the morning and resume your session?

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  • Attunity Oracle CDC Solution for SSIS - Beta

    We in no way work for Attunity but we were asked to test drive a beta version of their Oracle CDC solution for SSIS.  Everybody should know that moving more data than you need to takes too much time and uses resources that may better be employed doing something else.  Change data Capture is a technology that is designed to help you identify only the data that has had something done to it and you can therefore move only what is needed.  Microsoft have implemented this exact functionality into SQL server 2008 and I really like it there.  Attunity though are doing it on Oracle. DISCLAIMER: This is a BETA release and some of the parts are a bit ugly/difficult to work with.  The idea though is definitely right and the product once working does exactly what it says on the tin.  They have always been helpful to me when I have had a problem with the product and if that continues then beta testing pain should be eased somewhat. In due course I am going to be doing some videos around me using the product.  If you use Oracle and SSIS then give it a go. Here is their product description.   Attunity is a Microsoft SQL Server technology partner and the creator of the Microsoft Connectors for Oracle and Teradata, currently available in SQL Server 2008 Enterprise Edition. Attunity released a beta version of the Attunity Oracle-CDC for SSIS, a product that integrates continually changing Oracle data into SSIS, efficiently and in real-time. Attunity designed the product and integrated it into SSIS to create the simple creation of change data capture (CDC) solutions, accelerate implementation time, and reduce resources and costs. They also utilize log-based CDC so the solution has minimal impact on the Oracle source system. You can use the product to implement enterprise-class data replication, synchronization, and real-time business intelligence (BI) and data warehousing projects, quickly and efficiently, leveraging their existing SQL Server investments and resource skills. Attunity architected the product specifically for the Microsoft SSIS developer community and the product is available for both SQL Server 2005 and SQL Server 2008. It offers the following key capabilities: · Log-based, non-intrusive Oracle CDC · Full integration into SSIS and the Business Intelligence Developer Studio · Automatic generation of SSIS packages for CDC as well as full-loads of Oracle data · Filtering of Oracle tables and columns at the source · Monitoring and control of CDC processing Click to learn more and download the beta.

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  • Route all traffic via OpenVPN client

    - by Ilya
    I've got OpenVPN client running on 192.168.0.3. What I'd like to do is route all the traffic from the second computer with 192.168.0.100 via OpenVPN client that's running on the first computer. My router ip is 192.168.0.1 Network topology: Windows computer with OpenVPN client: 192.168.0.3 Windows computer whose traffic has to be rerouted: 192.168.0.100 Router: 192.168.0.1 I want it to work in the following way: 192.168.0.100 computer => 192.168.0.3 computer => OpenVPN => 192.168.0.1 How can I achieve that by only modifying windows' routing table? I've tried entering the following into windows shell(on computer without VPN), which didn't work (it just dropped my internet connection): route delete 0.0.0.0 mask 255.255.255.255 192.168.0.1 route add 0.0.0.0 mask 255.255.255.255 192.168.0.3 Should I also setup the computer that has OpenVPN client running? Does it have anything to do with windows tcp forwarding? Thanks!

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  • Kindle (client) for Mac

    - by doug
    So we're clear, i'm talking bout the client/software version here--ie, that you install on your Mac or PC--not the device. The Kindle client was recently released for the Mac. I bought a couple of Kindle-edition books and i'm reading them using this client. Astonishingly, two features i consider to be more or less essential to any ebook reader are missing in the Kindle client, either that, or i can't find them: (i) text searching; and (ii) highlighting text. First, does anyone know how to access the search feature? I'm aware of the "Go To" button at the top middle of the reader window--the options in that menu when you click the button are: "Cover", "Table of Contents", "Beginning" and "Location." "Location" requires that you type in an integer (but it doesn't correspond to page number--e.g., typing "167" brought me to the table of contents), not a search term. Second, there's a button on the upper right-hand corner of the window "Show Notes and Marks" yet i can't find any way to highlight text. The only kind of "note" or "mark" i have been able to record is to "bookmark" a page by clicking the "bookmark" button also at the top of the window.

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  • eXist-db: can't start webstart client on a closed port, reverse proxied via apache

    - by rvdb
    I am configuring an Apache HTTP server so it reverse proxies requests starting with /app/ to an eXist-db instance running in a Tomcat server, on port 8082. This port has been closed in the firewall and is inaccessible to the outer world. Following the eXist documentation, I have following rules in place in my httpd.conf file: ProxyPass /apps/ http://localhost:8082/ ProxyPassReverse /apps/ http://localhost:8082/ ProxyPassReverseCookiePath /apps/ / All goes well for requests to e.g. 'http://mydomain/apps/exist/index.xml'. Yet, the webstart client (accessible at 'http://localhost:8082/exist/webstart/exist.jnlp' on the web server) doesn't work behind the proxy. While 'http://mydomain/apps/exist/webstart/exist.jnlp' does generate a valid exist.jnlp file, that file can't be executed. The reason seems quite obvious: apparently, the eXist-db instance generating the exist.jnlp file only sees the proxied request as: 'http://localhost:8082/exist/webstart/exist.jnlp'. Yet, since the exist.jnlp file is executed on the client, that reference is meaningless (unless the client computer happens to have an eXist-db instance running on that port). Executing the exist.jnlp file hence fails with a 'connection refused' error. Yet, there's no problem at all connecting a local eXist-db Java client to the proxied eXist instance with the URL xmldb:exist://mydomain/apps/exist/xmlrpc. The problem lies in generating the webstart exist.jnlp file, which seems to need access to a publicly accessible URL. However, opening port 8082 and replacing the Proxy references to 'http://localhost:8082' with 'http://mydomain:8082' IMO rather destroys the point of reverse proxying. Do others have had success reverse proxying eXist-db on a closed port behind Apache? Are there perhaps some Proxy configuration settings I have overlooked (I'm no expert at all) that can make eXist see the original request instead of the proxied one? Kind regards, Ron

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  • Is there an alternative Skype client?

    - by Joseph
    I love Ubuntu, but one thing I think is a pain is skype for it. It's outdated, buggy and generally just not as smooth as a lot of the other Ubuntu software. Is there an alternative for it? I'm not speaking about another IM like AIM or Live Messenger. Put another piece of software like the native app that comes with Ubuntu, that allows me to sign into Skype as well? Or is there perhaps a plugin for the native Ubuntu chat app that allows Skype contacts, calling etc. etc.

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  • NX Client for Windows 7 Opens Remote Desktop in Multiple Windows

    - by Corey Kennedy
    What I'm trying to do: access my Ubuntu desktop remotely via NX Client on my Windows 7 laptop. My environment: server: Ubuntu 10.10 on AMD 1Ghz/512MB RAM PC client: Windows 7 on ThinkPad sl510 Software: server is running NXServer 3.4.0. Using xfce4 window manager. Laptop is using NXClient for Windows In my NX Client "Desktop" settings I've selected "Unix" and "Custom" for OS and environment. I've also specified "startxfce4" as the application to launch when NX connects. I am able to authenticate an NX session on my laptop. By this I mean, I can start the client on my laptop, enter credentials for my Linux user, and NX establishes a connection to the server and attempts to open a remote desktop window. The problem, though, is that this remote desktop is "fragmented" into many Windows. One window will display the bulk of my desktop (complete with desktop icons for "Home," "File System," and "Trash") while another window will contain the taskbar, and another window will contain the application strip. I can select each of these Windows individually, but I cannot click on any objects within them. I've searched Super User, Ubuntu Forums, NX help, Server Fault, and tried many Google searches - none have turned up another case of this particular problem. I'm stumped. Does anyone have any suggestions for what I might try? I'm guessing the problem has to do with my xfce config files, but I've only just setup this server - it's been a long time since I've used Linux and there's a lot I just don't know. What I am NOT trying to do: use Desktop sharing from Ubuntu, whereby I VNC into a desktop that I've already established on the server. I am trying to configure this Linux box as a headless server that I can stash someplace out-of-the-way in my house, then interact with through my laptop. I don't want to have a monitor or keyboard connected to the Linux box. Thanks for your help!

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  • How to share internet connection and making the client accessible over the lan

    - by Dario Silva Moran
    I've a Pc with Ubuntu 14.04 connected to a linkys router through wlan0, and I'd like to share internet connection to an AVR with ethernet port. This is pretty simple if only internet connection is required for the AVR: actually, creating an ethernet connection as "Shared with other computers" and setting up the AVR IP configuration to use DHCP works just fine, but that makes a private class A lan between those two; of course ip addresses are not in the range of the LAN the router is managing. So, I tried with static ip on both sides (Ubuntu eth0 and AVR ip). Tried many combinations, none of them work to provide Internet access to the AVR and at the same time make the AVR accessible over the network through his static ip address (say, 192.168.0.110). Any tips around to share??

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  • save data in the database to xml in c [closed]

    - by Jayanth N
    I have some data in the database. I want those data in database to be stored as an xml file. I'm using postgresql 9.1 for database, for xml processing I'm using libxml (http://xmlsoft.org/). I'm writing the code in C language. Please help me. Detailed explanation: I have a client, which sends me a xml file. Server receives the xml file, parses the xml file and stores it in the db. From db i want to send the details in the form of an xml to the client. client: <employee> <name>glen</name> <telephone>123456789</telephone> </employee> <employee> <name>gwen</name> <telephone>123456789</telephone> </employee> server parses this xml file as displayed below: name : glen telephone:123456789 name : gwen telephone: 123456789 and saves it in a database(postgresql9.1) if the client requests for details of the employees, i've to send it in xml form from database.I don't know how to do it can u help me out.

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  • WIF, ADFS 2 and WCF&ndash;Part 5: Service Client (more Flexibility with WSTrustChannelFactory)

    - by Your DisplayName here!
    See the previous posts first. WIF includes an API to manually request tokens from a token service. This gives you more control over the request and more flexibility since you can use your own token caching scheme instead of being bound to the channel object lifetime. The API is straightforward. You first request a token from the STS and then use that token to create a channel to the relying party service. I’d recommend using the WS-Trust bindings that ship with WIF to talk to ADFS 2 – they are pre-configured to match the binding configuration of the ADFS 2 endpoints. The following code requests a token for a WCF service from ADFS 2: private static SecurityToken GetToken() {     // Windows authentication over transport security     var factory = new WSTrustChannelFactory(         new WindowsWSTrustBinding(SecurityMode.Transport),         stsEndpoint);     factory.TrustVersion = TrustVersion.WSTrust13;       var rst = new RequestSecurityToken     {         RequestType = RequestTypes.Issue,         AppliesTo = new EndpointAddress(svcEndpoint),         KeyType = KeyTypes.Symmetric     };       var channel = factory.CreateChannel();     return channel.Issue(rst); } Afterwards, the returned token can be used to create a channel to the service. Again WIF has some helper methods here that make this very easy: private static void CallService(SecurityToken token) {     // create binding and turn off sessions     var binding = new WS2007FederationHttpBinding(         WSFederationHttpSecurityMode.TransportWithMessageCredential);     binding.Security.Message.EstablishSecurityContext = false;       // create factory and enable WIF plumbing     var factory = new ChannelFactory<IService>(binding, new EndpointAddress(svcEndpoint));     factory.ConfigureChannelFactory<IService>();       // turn off CardSpace - we already have the token     factory.Credentials.SupportInteractive = false;       var channel = factory.CreateChannelWithIssuedToken<IService>(token);       channel.GetClaims().ForEach(c =>         Console.WriteLine("{0}\n {1}\n  {2} ({3})\n",             c.ClaimType,             c.Value,             c.Issuer,             c.OriginalIssuer)); } Why is this approach more flexible? Well – some don’t like the configuration voodoo. That’s a valid reason for using the manual approach. You also get more control over the token request itself since you have full control over the RST message that gets send to the STS. One common parameter that you may want to set yourself is the appliesTo value. When you use the automatic token support in the WCF federation binding, the appliesTo is always the physical service address. This means in turn that this address will be used as the audience URI value in the SAML token. Well – this in turn means that when you have an application that consists of multiple services, you always have to configure all physical endpoint URLs in ADFS 2 and in the WIF configuration of the service(s). Having control over the appliesTo allows you to use more symbolic realm names, e.g. the base address or a completely logical name. Since the URL is never de-referenced you have some degree of freedom here. In the next post we will look at the necessary code to request multiple tokens in a call chain. This is a common scenario when you first have to acquire a token from an identity provider and have to send that on to a federation gateway or Resource STS. Stay tuned.

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  • Securely expose WebService from Enterprise Network to Internet Client

    - by hotzen
    Are there any standards (or certified solutions) to expose a (Web-)Service to the internet from a very security-sensitive network (e.g. Banking/Finance)? I am not specifically talking about WS-* or any other transport-layer security á la SSL/TLS, rather about important standards or certifications that must be obeyed. Are there any known products (coming from an SAP-environment) that can provide a "high-security proxy" of some sort to expose specific web-services to the internet? Any buzzwords that a CIO/CTO is aware of about this subject?

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  • How can I reconnect a NX session?

    - by netvope
    Server: neatx-server 0.3.1+svn59-0~ppa1~lucid1 Client: NX Client for Windows 3.4.0-7 Sorry if this is a stupid question, but I googled and couldn't find any documentation on this topic... How can I reconnect to a disconnected NX session? I can see sessions in NX Session Administrator, but there is no way to reconnect to them. The NX Client seems to ignore any existing sessions and create new ones.

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  • Log oddities: 404s for client-garbled image URLs

    - by Chris Adams
    I've noticed some odd 404s which appear to be broken URL rewriting code: Our deep zoom view generates images URLs like this: /media/204/service/dzi/1/1_files/7/0_0.jpg I see some - well under <1% - requests for slightly altered URLs: /media/204/s/rvice/d/i/1/1_files/7/0_0.jpg These requests come from IP addresses all over the world (US, Canada, China, Russia, India, Israel, etc.), desktop and mobile users with multiple user-agents (Chrome, IE, Firefox, Mobile Safari, etc.), and there is plenty of normal activity in the same session so I'm assuming this is either widespread malware or some broken proxy service. I have not seen them from anything other than images, which suggests that this may be some sort of content filter. Has anyone else seen this? My CDN logs show the first request on June 8th ramping up from several dozen to several hundred per day.

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