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  • Sync calendar and contacts with Android smartphone

    - by takeshin
    I use Thunderbird with Lighting calendar addon, which stores calendar data in iCalendar format. How can I synchronize this calendar and Thunderbird contacts with Android based smartphone (HTC Wildfire). I know I can use Google Account, but I'd prefer to use bluetooth or even better, local access via wi-fi (no internet connection available). Is there any complete Ubuntu smartphone synchronization guide somewhere?

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  • Wireless ad-hoc network between Ubuntu and MS Windows

    - by nixnotwin
    I have setup a wireless ad-hoc connection between two laptops: one running ubuntu and the other MS XP. I have assigned static IP to both the laptops and both get connected quite easily. I can access all ubuntu services like ssh, squid, samba from the laptop running MS Windows. But from Ubuntu machine I cannot access any Windows services like shared directories etc. The Windows machine doesn't even respond to ping requests from ubuntu.

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  • How to Enable or Disable the Startup Sound in Windows 8

    - by Taylor Gibb
    We have all been in that awkward situation where you sit down in a meeting room only to have your Windows laptop play the Startup sound. Here’s how to disable it or even enable it if you so choose. HTG Explains: What is the Windows Page File and Should You Disable It? How To Get a Better Wireless Signal and Reduce Wireless Network Interference How To Troubleshoot Internet Connection Problems

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  • Code Design question, circular reference across classes?

    - by dsollen
    I have no code here, as this is more of a design question (I assume this is still the best place to ask it). I have a very simple server in java which stores a mapping between certain values and UUID which are to be used by many systems across multiple platforms. It accepts a connection from a client and creates a clientSocket which stores the socket and all the other relevant data unique to that connection. Each clientSocket will run in their own thread and will block on the socket waiting for a read. I expect very little strain on this system, it will rarely get called, but when it does get a call it will need to respond quickly and due to the risk of it having a peak time with multiple calls coming in at once threaded is still better. Each thread has a reference to a Mapper class which stores the mapping of UUID which it's reporting to others (with proper synchronization of course). This all works until I have to add a new UUID to the list. When this happens I want to report to all clients that care about that particular UUID that a new one was added. I can't multicast (limitation of the system I'm running on) so I'm having each socket send the message to the client through the established socket. However, since each thread only knows about the socket it's waiting on I didn't have a clear method of looking up every thread/socket that cares about the data to inform them of the new UUID. Polling is out mostly because it seems a little too convoluted to try to maintain a list of newly added UUID. My solution as of now is to have the 'parent' class which creates the mapper class and spawns all the threads pass itself as an argument to the mapper. Then when the mapper creates a new UUID it can make a call to the parent class telling it to send out updates to all the other sockets that care about the change. I'm concerned that this may be a bad design due to the use of a circular reference; parent has a reference to mapper (to pass it to new ClientSocket threads) and mapper points to parent. It doesn't really feel like a bad design to me but I wanted to check since circular references are suppose to be bad. Note: I realize this means that the thread associated with whatever socket originally received the request that spawned the creation of a UUID is going to pay the 'cost' of outputting to all the other clients that care about the new UUID. I don't care about this; as I said I suspect the client to receive only intermittent messages. It's unlikely for one socket to receive multiple messages at one time, and there won't be that many sockets so it shouldn't take too long to send messages to each of them. Perhaps later I'll fix the fact that I'm saddling higher work load on whatever unfortunate thread gets the first request; but for now I think it's fine.

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  • How to Stop Users From Uninstalling Metro Applications in Windows 8

    - by Taylor Gibb
    We have already shown you how you can disable the Windows Store in Windows 8, but what if you have already installed some Metro applications or intend on doing so, but don’t want them to be uninstalled? Read on to find out how you can do this. How to Banish Duplicate Photos with VisiPic How to Make Your Laptop Choose a Wired Connection Instead of Wireless HTG Explains: What Is Two-Factor Authentication and Should I Be Using It?

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  • What is SSL Certificates and How Does It Work

    SSL is an acronym for Secure Sockets Layer. The Secure Sockets Layer is a basically a web security protocol that is developed to establish a secure connection between web server and a browser. SSL is... [Author: Jack Melde - Computers and Internet - May 01, 2010]

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  • Difference between a socket and a port

    - by cobie
    Could someone please explain quite clearly the difference between a port and a socket. I know that a port serves as a door into the network for an application process and that the application process uses a socket connection to the given port number to handle network communication but when you have multiple processes listening on a single port number, I am finding it difficult to understand the difference between the socket and the port and how they all fit together.

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  • Access to Salesforce.com Data Through Tableau Desktop

    - by dataintegration
    This article will explain how to connect to any of the RSSBus OData Connectors with Tableau's business intelligence tool. While the example uses the Salesforce Connector, the same process can be followed for any of the OData Connectors. Step 1: Download and install both the Salesforce Connector from RSSBus and Tableau Desktop from Tableau. Step 2: Next you will want to configure the Salesforce Connector to connect with your Salesforce.com account. If you browse to the Help tab in the Salesforce Connector application, there is a link to the Getting Started Guide which will walk you through setting up the Salesforce Connector. Step 3: Once you have successfully configured the Salesforce Connector application, you will want to open Tableau and select the Connect to data option at the top left of the window. Step 4: Here you will click on the option labeled OData under the section labeled On a server. Step 5: A new pop up will appear. The box under Step 1 of the pop-up must contain the OData URL of the Salesforce Connector table. You can find this by clicking on the Settings tab of the Salesforce Connector. Once you have found the OData entry URL, you will need to append the table name that you want Tableau to connect with to the OData entry URL. In this example, we will connect to the Account table. Thus, the URL we enter will be: http://localhost:8181/sfconnector/data/conn/odata.rsc/Account. You will also need to add authentication options in this step. To do this, select the Use a Username and Password option in Step 2 of the pop-up and enter the Username and Password of the user who has access to the Salesforce Connector. When you are done, click the Connect button in Step 3 of the pop-up. Step 6: When the connection to the Salesforce Connector is successful, give the connection a name and click the OK button. Step 7: The table columns will be listed on the left side under the Dimensions section of the workspace. Step 8: To view your Salesforce.com data, you can right click under the table name in the Data section at the top left of the dashboard and select the View Data option. Your Saleforce.com data will appear in Tableau.

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  • Week in Geek: Windows 8 Security Flaw – Passwords Stored in Plain Text When Using Picture or PIN Login

    - by Asian Angel
    This week’s edition of WIG is filled with news link coverage on topics such as new malware seeks to lock Skype users out of their PCs, Dell will stick to Windows 7 after Windows 8 debut, Mozilla Thunderbird users now get 25 GB of cloud storage for free, and more. HTG Explains: What is the Windows Page File and Should You Disable It? How To Get a Better Wireless Signal and Reduce Wireless Network Interference How To Troubleshoot Internet Connection Problems

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  • Using a saved password for remote desktop access from Windows 7

    - by TATWORTH
    This past week I have been accessing a remote server by remote desktop access from a Windows 7 PC. Whilst I could save the password, windows 7 will not use it if the remote system is not fully verified. The fix is excellently documented at http://www.perceptible.net/post/2009/02/03/How-To-Enable-Use-of-Saved-Credentials-with-Remote-Desktop-to-Almost-Fully-Authenticated-Machines.aspx I used it and the connection process stopped asking for the password to be re-entered! (n.b. no gpedit -force is required)

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  • Where I can I find Zentyal ?

    - by santosamaru
    I'm using Ubuntu 10.10 Maverick. Does anyone know where I can find a version of Zentyal for it? I heard that webmin is not available any more, and I had a problem with it, so I'm trying to change the webmin to Zentyal. The problem now is that I can only find the version for Ubuntu 10.04 (Lucid). I'm having a problem with connection speed, which is why I need Zentyal to help me configure squid to cache the webpage for faster loading.

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  • How can I maximum compress video files?

    - by EmmyS
    I received 4 .mov files from a client that they want on their mobile website via SlideShowPro. Each original file was between 200 and 400 mb. I've gotten each one down to about 30 mb using transmageddon as described here, but that's still really big for a mobile connection. Is there any way to shrink them even further? Maybe it's the settings; I used Output Format = MPEG4, Audio = AAC, Video = H264 (which is what is suggested by SlideShowPro.)

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  • SEO Secrets an SEO Specialist Won't Want You to Know About

    The market place for self claimed 'SEO secrets' is littered with shoddy SEO specialists and cowboys trying to push the common information available to anyone with a computer, internet connection, and a search engine. Here's the breaking news people - there is no secret email that Google sends out to these SEO specialists, and they don't keep a stack of top secret documents back just for the lucky few. It just doesn't work like that.

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  • Upgrade from 11.04 to 11.10, getting "W:Failed to fetch gzip..."

    - by Michael Durrant
    Error during update A problem occurred during the update. This is usually some sort of network problem, please check your network connection and retry. W:Failed to fetch gzip:/var/lib/apt/lists/partial/us.archive.ubuntu.com_ubuntu_dists_oneiric_universe_i18n_Translation-en Encountered a section with no Package: header , E:Some index files failed to download. They have been ignored, or old ones used instead. I can browse web sites normally during this time though (my network is ok).

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  • Alert user when their session is about to expire

    - by budugu
    Note: Cross posted from Vijay Kodali's Blog. Permalink Here is a quick and dirty trick to alert users on session timeout. This is not a perfect solution. But it will give reader an idea to work on... Some facts before we start: Session doesn't end When the user closes his browser When the user navigates away from your page When user connection lost. Session ends, when the server hasn't gotten a request from the user in a specific time (Session timeout value)....Permalink

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  • Search Engine Optimization - The Five Factors Search Engines Use to Rank Websites

    At the end of the day, SEO requires a lot of extremely specialized knowledge, time, and attention - on an ongoing basis. But because a SEO effort can give a website's rankings a dramatic boost in the search results - and there is a significant connection between search engine ranking and search referral traffic - it is well worth doing whatever it takes to develop the knowledge and to be able to invest the time and attention.

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  • Search Engine Optimization - The Five Factors Search Engines Use to Rank Websites

    At the end of the day, SEO requires a lot of extremely specialized knowledge, time, and attention - on an ongoing basis. But because a SEO effort can give a website's rankings a dramatic boost in the search results - and there is a significant connection between search engine ranking and search referral traffic - it is well worth doing whatever it takes to develop the knowledge and to be able to invest the time and attention.

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  • Multiple database accesses or one massive access?

    - by DudeOnRock
    What is a better approach when it comes to performance and optimal resource utilization: accessing a database multiple times through AJAX to only get the exact information needed when it is needed, or performing one access to retrieve an object that holds all information that might be needed, with a high probability that not all is actually needed? I know how to benchmark the actual queries, but I don't know how to test what is best when it comes to database performance when thousands of users are accessing the database simultaneously and how connection pooling comes into play.

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  • VPN vs. SSH Tunnel: Which Is More Secure?

    - by Chris Hoffman
    VPNs and SSH tunnels can both securely “tunnel” network traffic over an encrypted connection. They’re similar in some ways, but different in others – if you’re trying to decide which to use, it helps to understand how each works. An SSH tunnel is often referred to as a “poor man’s VPN” because it can provide some of the same features as a VPN without the more complicated server setup process – however, it has some limitations. How to Use an Xbox 360 Controller On Your Windows PC Download the Official How-To Geek Trivia App for Windows 8 How to Banish Duplicate Photos with VisiPic

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  • Ubuntu 14.04LTS Ethernet Driver Needed for desktop

    - by 321sos
    I have just installed Ubuntu 14.04 and I need to install an Ethernet driver. When on windows 7 the machine used the Atheros AR8152 Ethernet driver. I have looked at other similar questions on this site, but the solutions never worked out for me as the solutions were mainly aimed towards laptops that had a wireless internet connection to retrieve updates. I cant find any driver packages for Linux so I really need some help. Thanks

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  • How do I get a TP-LINK WN723N wireless USB adapter working?

    - by Bottie
    I am having trouble using a TP-LINK WN723N wireless USB adapter on my computer which is running Ubuntu 12.04. When I plug the adapter in, the computer automatically picks up a signal from my wireless router but only connects to the internet for a short amount of time before losing the connection. I have searched for additional drivers and have tried running the .exe installation file on the WINE drive with no such luck... Am very new to Ubuntu would love some help! Thanks :-)

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  • A tinkered PC resets its nameserver (resolv.conf) on each boot

    - by aitchnyu
    The Ubuntu 11.10 PC resets resolv.conf on each boot, only with a comment remaining. How do I fix this by setting the persistent storage? It was tinkered by somebody else and I (and him!) cant trace his actions. The graphical connection manager also refuses to work thanks to the tinkering. Content of interfaces file: root@technovia-3:~/dev/spectrum/spectrum# cat /etc/network/interfaces auto lo iface lo inet loopback

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  • Read Erotica on the iPad

    Requirements: -- An iPad -- Free Stanza reader for iPad. -- Free Stanza Desktop software (Runs on Window PC and Mac). -- Internet connection and a small amount of intelligence. Steps: For a detail... [Author: Chris Smith - Computers and Internet - May 04, 2010]

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