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  • Improve Your Photo Prints By Properly Preparing Your Printer

    - by Eric Z Goodnight
    Whether your photo printer is new or has been collecting dust between the holidays, you’ve likely spent a few frustrating moments setting up the machine. But did you know proper setup can improve the quality of your prints? Spend a few moments looking over the basics, and see why it can be a good idea to keep your drivers updated, learn about some basic printer maintenance, and see some advanced options for setting up great prints. Keep reading Latest Features How-To Geek ETC The Complete List of iPad Tips, Tricks, and Tutorials The 50 Best Registry Hacks that Make Windows Better The How-To Geek Holiday Gift Guide (Geeky Stuff We Like) LCD? LED? Plasma? The How-To Geek Guide to HDTV Technology The How-To Geek Guide to Learning Photoshop, Part 8: Filters Improve Digital Photography by Calibrating Your Monitor Exploring the Jungle Ruins Wallpaper Protect Your Privacy When Browsing with Chrome and Iron Browser Free Shipping Day is Friday, December 17, 2010 – National Free Shipping Day Find an Applicable Quote for Any Programming Situation Winter Theme for Windows 7 from Microsoft Score Free In-Flight Wi-Fi Courtesy of Google Chrome

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  • Sneak Peek: New ASP.NET Validation Summary Control

    Check out this image of our upcoming ASP.NET validation summary control, ASPxValidationSummary: ASPxValidationSummary Benefits This new control helps you summarize validation errors from multiple controls and then displays them in a single block. This allows you to organize screen space more effectively if validation is required for several editors. Error entries can be displayed as a table, bulleted or ordered list. And each entry can be presented as a link that moves focus to the corresponding...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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  • Silverlight and Windows Phone 7 Sessions from MIX 10

    I had a great time at MIX 10 last week meeting so many people and being part of so  much of the activities. One of the side effects is that it was next to impossible to catch all of the great content while at MIX, so Ive been catching up by watching many of the videos online. Here is a list with all of the Windows Phone 7 and Silverlight sessions where you can grab the videos and/or slides.   Title WMV ...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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  • SL: Silverlight 5

    - by xamlnotes
    Check out this new demo from MIX11. http://code.msdn.microsoft.com/silverlight/3D-Housebuilder-demo-from-def4af04 SL 5 is the next big step for great apps in SL. This new release is adding more features to an already great technology.  You can find out more about this release at http://www.microsoft.com/silverlight/future/ . I particularly like the new features for business applications such as the next text improvements and making the combo box type ahead right out of the box. Plus there are more enhancements for databinding too.  And the list goes on and on with features such as performance and “trusted application”. Where is Sl 5 now? its in Release Candidate now so the final bits should not be far down the road.

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  • Why is the file /var/crash/_usr_lib_empathy_empathy-chat.1000.upload empty?

    - by user43816
    I just experienced an unusual crash: I tried to click on a name entry in the contact list of Empathy. A crash happened. Usually I am asked then if I'd like to report the error to Launchpad, and Launchpad opens. This time the error message was: "Excuse me. Ubuntu 12.04 noticed an internal error. If you notice further problems try to restart your computer. Send an error report to Launchpad to help removing this problem?" This time Launchpad did not open automatically. A new window opened and I could read the relevant error report. Later I found the error report in the file /var/crash/_usr_lib_empathy_empathy-chat.1000.crash. Why went the course of action this time differently from other crashes? Why is the file /var/crash/_usr_lib_empathy_empathy-chat.1000.upload empty?

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  • How do I enable the Ubuntu One tray applet?

    - by Richard Holloway
    I am running 10.04 and I am unable to get a tray applet to appear for Ubuntu One. I am sure there was an applet in 9.04 (Jaunty) and 9.10 (Karmic). I have the package ubuntuone-client-gnome installed which Synaptic tells me "This package contains the tray applet and Nautilus extension, providing integration with the GNOME desktop." The applet is not on the "Add to panel..." list and there doesn't appear to be anything in the menus. So how do I make the applet appear?

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  • Install package with dependencies offline

    - by ArtemStorozhuk
    Right now I have 2 computers: Has connection to the internet and has installed package A. Doesn't have connection to the WEB. On this PC I need to install package A. I decided to download all needed packages using first PC and transfer them to the second PC via USB. I have searched how to get all needed packages for some deb installation and here's what I've found. But when I run: apt-get --print-uris --yes install A | grep ^\' | cut -d\' -f2 > downloads.list on first PC I got empty file because this package is already installed there (and I don't want to uninstall it). Also package A is very complicated and depends on package B which depends on package C and package C is not installed on the second PC. So how can I download all needed packages? Or is there any other way of installing it? Thanks for the help.

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  • Summer Upgrade Workshops are Open!

    - by roy.swonger
    The listing of upcoming events is located in the right sidebar of the main blog page, down below the flag counter. If you haven't checked out our schedule lately, you might be surprised at how active we will be with travel this summer. Coming up next week will be upgrade workshops in the USA (St. Louis and Minneapolis) followed by a pair in Canada (Toronto and Montreal) and then two in Europe (Brussels and Utrecht). Make your plans now to attend an upgrade workshop in your area. As you can see from the long list of planned events, it is very likely that Mike or I will be coming to your area sometime soon!

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  • Q&amp;A: Will my favourite ORM Foo work with SQL Azure?

    - by Eric Nelson
    short answer: Quite probably, as SQL Azure is very similar to SQL Server longer answer: Object Relational Mappers (ORMs) that work with SQL Server are likely but not guaranteed to work with SQL Azure. The differences between the RDBMS versions are small – but may cause problems, for example in tools used to create the mapping between objects and tables or in generated SQL from the ORM which expects “certain things” :-) More specifically: ADO.NET Entity Framework / LINQ to Entities can be used with SQL Azure, but the Visual Studio designer does not currently work. You will need to point the designer at a version of your database running of SQL Server to create the mapping, then change the connection details to run against SQL Azure. LINQ to SQL has similar issues to ADO.NET Entity Framework above NHibernate can be used against SQL Azure DevExpress XPO supports SQL Azure from version 9.3 DataObjects.Net supports SQL Azure Open Access from Telerik works “seamlessly”  - their words not mine :-) The list above is by no means comprehensive – please leave a comment with details of other ORMs that work (or do not work) with SQL Azure. Related Links: General guidelines and limitations of SQL Azure SQL Azure vs SQL Server

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  • What's the right terminology for Unity's UI elements?

    - by Bou
    Hi, I've sent a few mails to the Ayatana mailing list regarding some UI suggestions for Unity, but I'm afraid I keep confusing the right terms for the UI element, so I would like to have some clarification. Is the bar at the top called "panel"? Does the Ubuntu logo at the top left corner have a name? Is the left sidebar called "dock"? Are the coloured tiles with app icons on them called "launchers"? Is the purple tile called "workspace switcher"? Are the fullscreen things that appear when you click the Ubuntu logo, the Places tile or the Apps tile, called "dash"? Do they all have the same name?

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  • Create association between informations

    - by Andrea Girardi
    I deployed a project some days ago that allow to extract some medical articles using the results of a questionnaire completed by a user. For instance, if I reply on questionnaire I'm affected by Diabetes type 2 and I'm a smoker, my algorithm extracts all articles related to diabetes bubbling up all articles contains information about Diabetes type 2 and smoking. Basically we created a list of topic and, for every topic we define a kind of "guideline" that allows to extract and order informations for a user. I'm quite sure there are some better way to put on relationship two content but I was not able to find them on network. Could you suggest my a model, algorithm or paper to better understand this kind of problem and that helps me to find a faster, and more accurate way to extract information for an user?

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  • Liskov substitution principle with abstract parent class

    - by Songo
    Does Liskov substitution principle apply to inheritance hierarchies where the parent is an abstract class the same way if the parent is a concrete class? The Wikipedia page list several conditions that have to be met before a hierarchy is deemed to be correct. However, I have read in a blog post that one way to make things easier to conform to LSP is to use abstract parent instead of a concrete class. How does the choice of the parent type (abstract vs concrete) impacts the LSP? Is it better to have an abstract base class whenever possible?

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  • Form Validation, Dependant Drop Downs, Data Level Security in OWS for DotNetNuke - 5 Videos

    In this tutorial we demonstrate some very advanced techniques for building a car parts application in Open Web Studio. Throughout the tutorial we cover form input, validation, how to use dependant drop down lists, populating checkbox lists and introduce a new concept of data level security. Data level security allows you to control which data a user can access within a module. The videos contain: Video 1 - How to Setup Form Validation Video 2 - Car Parts Application, Assigning Security Roles into a Global Session Variable Video 3 - How to Build the Categories Module with Data Level Security Video 4 - How to Build the SubCategories Module and Use SubQuery Video 5 - How to Build the Car Parts List Module Total Time Length: 44min 19secsDid 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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  • Apt-get take long time to update\upgrade

    - by ShockwaveNN
    On my work network any apt-get (or aptitude) commands take a very long time, it's look's like admins blocked some port for it (for unknown reason). For example sudo apt-get update take like 2 days and all I get - a very long list of responses like Get: 36 http://security.ubuntu.com precise-security/universe amd64 Packages [11.6 kB] Get: 37 http://security.ubuntu.com precise-security/universe amd64 Packages [11.6 kB] Get: 38 http://security.ubuntu.com precise-security/universe amd64 Packages [11.6 kB] Get: 39 http://security.ubuntu.com precise-security/universe amd64 Packages [11.6 kB] Get: 40 http://security.ubuntu.com precise-security/universe amd64 Packages [11.6 kB] Same situation then I try to download software Get:1 http://archive.ubuntu.com/ubuntu/ precise/main dash i386 0.5.7-2ubuntu2 [85.8 kB] Get:2 http://archive.ubuntu.com/ubuntu/ precise/main dash i386 0.5.7-2ubuntu2 [85.8 kB] Get:3 http://archive.ubuntu.com/ubuntu/ precise/main dash i386 0.5.7-2ubuntu2 [85.8 kB] Get:4 http://archive.ubuntu.com/ubuntu/ precise/main dash i386 0.5.7-2ubuntu2 [85.8 kB] Get:5 http://archive.ubuntu.com/ubuntu/ precise/main dash i386 0.5.7-2ubuntu2 [85.8 kB] Is there something I can do to change port for apt-get or something else

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  • Is having your own website important?

    - by Josh K
    How necessary or important is it? I try to keep a running list of blogs or sites to follow, but a lot of the time I pull up someone's profile and notice there isn't anything there. Is it really important? I understand are different levels of programming (from C/C++ system programmers to Rails and even Haskell and J) and not everyone works in a language easily worked with for web based applications. Not everything is web-centric, however with the advent of many popular and sometimes free services I don't think it's unreasonable to expect a majority of programmers to have a personal site.

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  • Wireless does not work anymore after software update with Ubuntu 12.10 on a Dell Latitude E6230

    - by Andy
    I just installed Ubuntu 12.10 on my DELL Latitude E6230, on first boot wifi worked properly but when I updated the software it stopped working. I can't figure out the problem... The wireless network controller is a Broadcom Corporation BCM4313 802.11b/g/n Wireless Lan Controller (rev 01) "lshw -class network" gives, for the above controller: *-network UNCLAIMED description: Network controller product: BCM4313 802.11b/g/n Wireless LAN Controller vendor: Broadcom Corporation physical id: 0 bus info: pci@0000:02:00.0 version: 01 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list configuration: latency=0 resources: memory:f7d00000-f7d03fff After reading the answer to another similar question, I edited the file NetworkManager.conf to make "managed=true", but that did not make any difference, it is as if the wireless adapter were not there. In the "Network" setting window, I only see "Wired" and "Network proxy". Wireless has just disappeared: rfkill list all 0: hci0: Bluetooth Soft blocked: no Hard blocked: no and that's it! Nothing about the wireless controller... Any suggestions?

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  • No programs or applications show up in dash

    - by sky
    There are no programs on the dash list (seacher on appmenu). Yesterday I logged into my account and I tried to find a particular program, but there weren't any! Additionally, I tried to view installed programs and manually find programs, but nothing was displayed. And today, when I wanted to turn on Ubuntu Software Center, it just don't turn on. I'm using Ubuntu 11.10 (64bit). I installed this as a "fresh" OS a few days ago. Ubuntu is updated and has many Gigabytes of disk memory available.

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  • Why does my program stutter so much?

    - by user36322
    I've been very frustrated trying to solve this. I've looked it up, and all the answers are the same: set IsFixedTimeStep = false. This doesn't help me at all, the program is still jittery and stutters. I have absolutely no idea what is going on, can you guys help? Code for movement (objects is a list): speed = Math.Min(speed + (speedIncrement * gameTime.ElapsedGameTime.Milliseconds / 200), maxSpeed); for (int i = objects.Count - 1; i >= 0; i--) { objects[i].rect.Y += (int)(speed * gameTime.ElapsedGameTime.Milliseconds); //Check if the object is past the screen. If it is, remove it if (objects[i].rect.Y > screenHeight) { objects.Remove(objects[i]); } }

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  • Should I use structure from a core library graphic toolkit in my domain?

    - by Laurent Bourgault-Roy
    In java (and many other programming language), there are often structure to deal with graphic element : Colour, Shape, etc. Those are most often in a UI toolkit and thus have a relatively strong coupling with UI element. Now, in the domain of my application, we often deal with colour, shape, etc, to display statistic information on an element. Right now all we do with it is display/save those element with little or no behaviour. Would it make sense to avoid "reinventing the wheel" and directly use the structures in java.awt.* or should I make my own element and avoid a coupling to this toolkit? Its not like those element are going away anytime soon (they are part of the core java library after all), but at the same time it feel weird to import java.awt.* server side. I have no problem using java.util.List everywhere. Should I feel different about those class? What would be the "recommended" practice in that case?

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  • Patches and translations

    - by Chris Wilson
    When changing a string of text as a part of a patch, how should the translation in the .po files be handled? For example, a recent paper cut I've worked on involved changing the string "Reboot Anyway" to "Restart Anyway" when gnome-session detected applications still running during restart. When I greped for the offending string, I found not only the string on the Gtk button, but identical strings in a long list of .po files which I later learned contained translations. The format of these translations of along the lines of msgid:Reboot Anyway <translated text> Changing the text of only the button would results in a discrepancy between the text on the English button and the translation, and changing the msgid line would result in a similar situation. How should I raise the issue that new translations are needed? I know this is a trivial problem in this example, but there are other such bugs that involve rewriting entire paragraphs of text.

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  • Xubuntu Mail Watcher (XFCE Plugin) Won't Connect To IMAP

    - by Xophmeister
    I am trying to get the XFCE Mail Watcher panel plugin to check my IMAP mail, but it won't connect to my server. I have entered the details correctly -- they're exactly the same as those I use in Thunderbird -- but nothing! When I go to select the "New mail folders..." it returns with "Failed to get folder list". If I change my username from name@domain to name, I still get this error, but it takes a few seconds longer to appear. Nothing shows up in the log. If it makes a difference, my mail is hosted by Microsoft, in some way. Like I say, I can access it through Thurderbird using the IMAP credentials; but I have the Exchange 2010 web app, if I use webmail. Could this be the problem? (Thunderbird often complains with "Command Error. 12" with what it gets back from the server, but carries on regardless.)

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  • OOP private method parameters coding style

    - by Jake
    After coding for many years as a solo programmer, I have come to feel that most of the time there are many benefits to write private member functions with all of the used member variables included in the parameter list, especially development stage. This allow me to check at one look what member variables are used and also allow me to supply other values for tests and debugging. Also, a change in code by removing a particular member variable can break many functions. In this case however, the private function remains isolated am I can still call it using other values without fixing the function. Is this a bad idea afterall, especially in a team environment? Is it like redundant or confusing, or are there better ways?

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  • How many developers do I need to build a website like Freelancer.com in about 3-5 months? [closed]

    - by Sam
    I have been asked to make a list of people that I need to build something similar to freelancer.com. Not exactly same, has a few more features to it too but I can't really get my head around the whole freelancer.com site. I have built a social networking site from scratch which is 70% of Facebook and 20% Google+ in about 5 months with raw PHP, JS, CSS and Ajax. I dont think it will take me more than a month or something to build the whole freelancer.com from scratch. Please suggest anything that should I pay attention to. I am thinking about: 2 php developers 1 mysql engineer 1 network/server engineer 1 graphics artist 1 UI developer Time frame: 20 days Is this a good estimation?

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  • Using BizTalk to bridge SQL Job and Human Intervention (Requesting Permission)

    - by Kevin Shyr
    I start off the process with either a BizTalk Scheduler (http://biztalkscheduledtask.codeplex.com/releases/view/50363) or a manual file drop of the XML message.  The manual file drop is to allow the SQL  Job to call a "File Copy" SSIS step to copy the trigger file for the next process and allows SQL  Job to be linked back into BizTalk processing. The Process Trigger XML looks like the following.  It is basically the configuration hub of the business process <ns0:MsgSchedulerTriggerSQLJobReceive xmlns:ns0="urn:com:something something">   <ns0:IsProcessAsync>YES</ns0:IsProcessAsync>   <ns0:IsPermissionRequired>YES</ns0:IsPermissionRequired>   <ns0:BusinessProcessName>Data Push</ns0:BusinessProcessName>   <ns0:EmailFrom>[email protected]</ns0:EmailFrom>   <ns0:EmailRecipientToList>[email protected]</ns0:EmailRecipientToList>   <ns0:EmailRecipientCCList>[email protected]</ns0:EmailRecipientCCList>   <ns0:EmailMessageBodyForPermissionRequest>This message was sent to request permission to start the Data Push process.  The SQL Job to be run is WeeklyProcessing_DataPush</ns0:EmailMessageBodyForPermissionRequest>   <ns0:SQLJobName>WeeklyProcessing_DataPush</ns0:SQLJobName>   <ns0:SQLJobStepName>Push_To_Production</ns0:SQLJobStepName>   <ns0:SQLJobMinToWait>1</ns0:SQLJobMinToWait>   <ns0:PermissionRequestTriggerPath>\\server\ETL-BizTalk\Automation\TriggerCreatedByBizTalk\</ns0:PermissionRequestTriggerPath>   <ns0:PermissionRequestApprovedPath>\\server\ETL-BizTalk\Automation\Approved\</ns0:PermissionRequestApprovedPath>   <ns0:PermissionRequestNotApprovedPath>\\server\ETL-BizTalk\Automation\NotApproved\</ns0:PermissionRequestNotApprovedPath> </ns0:MsgSchedulerTriggerSQLJobReceive>   Every node of this schema was promoted to a distinguished field so that the values can be used for decision making in the orchestration.  The first decision made is on the "IsPermissionRequired" field.     If permission is required (IsPermissionRequired=="YES"), BizTalk will use the configuration info in the XML trigger to format the email message.  Here is the snippet of how the email message is constructed. SQLJobEmailMessage.EmailBody     = new Eai.OrchestrationHelpers.XlangCustomFormatters.RawString(         MsgSchedulerTriggerSQLJobReceive.EmailMessageBodyForPermissionRequest +         "<br><br>" +         "By moving the file, you are either giving permission to the process, or disapprove of the process." +         "<br>" +         "This is the file to move: \"" + PermissionTriggerToBeGenereatedHere +         "\"<br>" +         "(You may find it easier to open the destination folder first, then navigate to the sibling folder to get to this file)" +         "<br><br>" +         "To approve, move(NOT copy) the file here: " + MsgSchedulerTriggerSQLJobReceive.PermissionRequestApprovedPath +         "<br><br>" +         "To disapprove, move(NOT copy) the file here: " + MsgSchedulerTriggerSQLJobReceive.PermissionRequestNotApprovedPath +         "<br><br>" +         "The file will be IMMEDIATELY picked up by the automated process.  This is normal.  You should receive a message soon that the file is processed." +         "<br>" +         "Thank you!"     ); SQLJobSendNotification(Microsoft.XLANGs.BaseTypes.Address) = "mailto:" + MsgSchedulerTriggerSQLJobReceive.EmailRecipientToList; SQLJobEmailMessage.EmailBody(Microsoft.XLANGs.BaseTypes.ContentType) = "text/html"; SQLJobEmailMessage(SMTP.Subject) = "Requesting Permission to Start the " + MsgSchedulerTriggerSQLJobReceive.BusinessProcessName; SQLJobEmailMessage(SMTP.From) = MsgSchedulerTriggerSQLJobReceive.EmailFrom; SQLJobEmailMessage(SMTP.CC) = MsgSchedulerTriggerSQLJobReceive.EmailRecipientCCList; SQLJobEmailMessage(SMTP.EmailBodyFileCharset) = "UTF-8"; SQLJobEmailMessage(SMTP.SMTPHost) = "localhost"; SQLJobEmailMessage(SMTP.MessagePartsAttachments) = 2;   After the Permission request email is sent, the next step is to generate the actual Permission Trigger file.  A correlation set is used here on SQLJobName and a newly generated GUID field. <?xml version="1.0" encoding="utf-8"?><ns0:SQLJobAuthorizationTrigger xmlns:ns0="somethingsomething"><SQLJobName>Data Push</SQLJobName><CorrelationGuid>9f7c6b46-0e62-46a7-b3a0-b5327ab03753</CorrelationGuid></ns0:SQLJobAuthorizationTrigger> The end user (the human intervention piece) will either grant permission for this process, or deny it, by moving the Permission Trigger file to either the "Approved" folder or the "NotApproved" folder.  A parallel Listen shape is waiting for either response.   The next set of steps decide how the SQL Job is to be called, or whether it is called at all.  If permission denied, it simply sends out a notification.  If permission is granted, then the flag (IsProcessAsync) in the original Process Trigger is used.  The synchonous part is not really synchronous, but a loop timer to check the status within the calling stored procedure (for more information, check out my previous post:  http://geekswithblogs.net/LifeLongTechie/archive/2010/11/01/execute-sql-job-synchronously-for-biztalk-via-a-stored-procedure.aspx)  If it's async, then the sp starts the job and BizTalk sends out an email.   And of course, some error notification:   Footnote: The next version of this orchestration will have an additional parallel line near the Listen shape with a Delay built in and a Loop to send out a daily reminder if no response has been received from the end user.  The synchronous part is used to gather results and execute a data clean up process so that the SQL Job can be re-tried.  There are manu possibilities here.

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  • How to completely remove wicd from 12.04?

    - by danijelc
    I had issues with WiFi so I removed Network Manager. I booted Windows OS (dual booting Windows 7 and 12.04) to download wicd 1.7.2.4. Extracted it and installed. However, wcid worked properly with Wired Connection but could not connect to WiFi. So, I re-installed Network Manager which works properly now, and wicd connects to WiFi too. As soon as I disconnect from Network Manager, wicd connects only to wired. At this point, I wanted to remove wicd but apt-get returns no wicd installed, can't see it in Synaptic or Software Center, but only in Applications list under Dash home. Of course wcid icon shows connections, and resulting connected, so my system shows both applets for wicd and network manager in the top panel. When running dpkg commands, wicd is not listed as installed package. Any suggestion how to remove wicd? Consider that I started with Ubuntu just few months ago so my knowledge base is limited.

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