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• Ubuntu Server SHH backspace Bad Character

  - by Edwin Lunando

  so while while I'm using SSH to connect my server the backspace shows me bad character. The backspace is the one with question mark. The backspace itself works normally, but in the screen, it wasn't very neat to look stacking question mark. This is the example. The square-bracketed question mark means backspace. cat[?] output: ca: not found cat[?][?] output: c:not found cat[?][?][?] output: nothing, because it simple delete the 3 character. Please help. Thank you.

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• adjust resolution on Ubuntu Server 10.04?

  - by Mike Grace

  Installed Ubuntu Server 10.04 on an old laptop and I noticed that the system is trying to show the CLI below my screen. This means that if I run a script or a program with a bunch of output, once it is done, I have to press return several times to bring the output to the point where I can actually see it on the screen. I also have to clear the screen to be able to see what I am typing at the current command prompt. The laptop is an EliteGroup 536S with a native screen resolution of 1024 x 768 How can I adjust the resolution for Ubuntu Server 10.04? What file do I need to edit if editing a file is the solution? I've seen posts on how to change the resolution on the desktop version of Ubuntu but not the server version.

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• distribution update made my close/minimize/maximize window buttons diappear

  - by Marc Sauvageau

  I am running an ubuntu/gnome3 environment. While running the upgrade manager on 12.04, I was informed that there was a distribution update but that it was partial. (whatever that means) After a few failed attempts at updating through the manager, I decide to run sudo apt-get update && sudo apt-get update. The updates seem to work however, the close/maximize/minimize buttons of all windows have disappeared. I also can no longer use the Alt+Tab function. I tried to post an image but I need more rep (sorry) I have tried to run the updates again but nothing changes. I'm still very new at this. I would appreciate it if you could use simple terms to describe or ask questions. Thanks in advance!

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• The Apple iPad &ndash; I&rsquo;m gonna get it!

  - by Sahil Malik

  Ad:: SharePoint 2007 Training in .NET 3.5 technologies (more information). Well, heck, here comes another non-techie blogpost. You know I’m a geek, so I love gadgets! I found it RATHER interesting to see all the negative news on the blogosphere about the iPad. The main bitch points are - No Multi tasking No Flash Just a bigger iPhone. So here’s the deal! My view is, the above 3 are EXACTLY what I had personally hoped for in the Apple iPad. Before the release, I had gone on the record saying - “If the Apple Tablet is able to run full fledged iTunes (so I can get rid of iTunes on my desktop, I don’t like iTunes on Windows), can browse the net, can read PDFs, and will be under $1000, I’ll buy it”. Well, so, the released iPad wasn’t exactly like my dream tablet. The biggest downer IMO was it’s inability to run full iTunes. But, really, in retrospect, I like the newly released iPad. And here is why. No Multi tasking and No Flash, means much better battery life. Frankly, I rarely multi task on my laptop/desktop .. yeah I know my OS does .. but ME – I don’t multi task, and I don’t think you do either!! As I type this blogpost, I have a few windows running behind the scenes, but they are simply waiting for me to get back to them. The only thing truly running and I am making use of, other than this blogost, is media player playing some music – which the iPad can do. Also, I am logged into IM/Email – which again, iPad can do via notifications. It does the limited multitasking I need, without chewing down on batteries. Smart thinking, precisely the reason I love the iPhone. I don’t want a bulky battery consuming machine. Lack of flash? Okay sure, I can’t see Hulu on my iPad. That’s some loss. I can see youtube. Also, per Adobe I can’t see some porn sites, which I don’t want to see on my iPad. But, Flash is heavy. Especially flash video. My dream is to see silverlight run on the iPhone and iPad. No flash = not such a big loss. Speaking of battery life – 10 hours is plenty. I haven’t been away from electricity for that long usually, so I’m okay with charging it up when it runs low. It’s really not such a big deal honestly. Finally, eBook functionality – wow! I went on the record saying, eBook readers are not for me, but seriously, the iPad is perfect for my eBook needs at least. And as far it being just a bigger iPhone? I’ve always wanted a bigger iPhone, precisely for the eBook reading experience. I love my iPhone, I love the apps on it. The only thing that sucks about the iPhone is battery life, but other than that, it is the best gadget I have ever bought! And something that runs on mobile chips, is that thin, and those newly written apps .. mail, calendar .. I am very very excited to get my iPad, which will be the 64gig 3G version. The biggest plus in an iPad ……… no contract on data. I am *hoping*, this means that I can buy a SIM card in Europe, and use the iPad here. That would be killer awesome! But hey, if I had to pick downers in the iPad, they would be - - I wish they had a 128G Version. Now that we have a good video viewing machine, I know I’d chew up space quickly.- Sync over WIFI, seriously Apple.  Both for iPhone and iPad.- 3 month wait!!- Existing iPhone users should get a discount on the iPad data plan. Comment on the article ....

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• 12.10 unable to connect to the Internet using Chrome or Firefox

  - by Thomas Anderson

  I received a software update for Ubuntu 12.10 while using Zorin OS6 wireless. I accepted the update and installed 12.10. Please tell me the step by step, using layman's terms, on how to get Google Chrome, or Mozilla Firefox to connect to the Internet? I am receiving DNS server error with both browsers. I can connect to my router wired or wireless. I posted and received initial information but was not sure exactly what some of the terms were and or what to do next etc. I am not necessarily familiar with some technical terms, or do I need to install additional plug-ins? I do not know what proxy or DCHP means or what do with these terms please, please help. I am not a programmer, nor do I work in IT. Again please help.

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• Best way to do large XNA animations?

  - by Harold

  What's the best way to have large animations in XNA 4.0? I have created a spritesheet with the sprite being 250x400 (more of an image than a sprite but hey ho) and there are approximately 45 frames in the animation. This causes problems for XNA as it says that the maximum filesize for Reach is 2048. I'd rather not change to hidef as I heard that means that your game is less compatible with some computers and systems so does anyone have any idea what the best thing I could do is? The only thing I could come up with is to have a list of textures to flick through but that's not ideal.

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• Why do some opensouce libraries lack comments?

  - by entropy

  I don't know if this happens to most Opensource libraries, but many of I know and use (for example OpenSSL, Webkit, ...) they all lack comments, or contain very few comments. Not to mention their very few documents, it is hard to read their source code. We can hardly understand what a member variable means, or what this function does. This seems to be against coding standard practice Why is that? How can people collaborate to these opensource with very few comments?

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• OpenID implementation - PHP, Javascript, MySQL

  - by Marc A.

  Hello, I've started doing some research on the technologies that I will need for my website. I'm trying to implement a really simple website with OpenID user registration. The website will store a block of text for each user. I imagine this means that I will need a database with: User ID Open ID url Data Having said that, I'm still having trouble deciding what I really need to do this. I know that I will need the following for the actual site: Javascript JQuery CSS But on the back end, I'm kind of lost at the moment. I've been looking at the OpenID-Selector, which is coded in Javascript. It seems like it's exactly what is used on this site. Will I actually need PHP? MySQL for the data and user registration? Thanks for the kickstart!

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• Website misclassified by websense

  - by Jeff Atwood

  I received the following email from a user of one of our websites: This morning I tried to log into example.com and I was blocked by websense at work because it is considered a "social networking" site or something. I assume the websense filter is maintained by a central location, so I'm hoping that by letting you guys know you can get it unblocked. per Wikipedia, Websense is web filtering or Internet content-control software. This means one (or more) of our sites is being miscategorized by websense as "social networking" and thus disallowed for access at any workplace that uses websense to control what websites their users can and cannot access during work hours. (I know, they are monsters!) How do we dispute this websense classification error, as our websites should generally be considered "information technology" and never "social networking"? How do we know what category websense has put our sites in, so we can pro-actively make sure they're not wrong?

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• Evolution has no access to couchdb

  - by berkes

  Evolution gives the error "Cannot open addressbook". "We were unable to open this addressbook. This either means you have entered an incorrect URI, or the server is unreachable". "Details: Operation not permitted". (rough translation from Dutch). Enabling verbose logging in (desktop)couchdb tells me roughly the same: [info] [<0.7875.1>] 127.0.0.1 - - 'PUT' /contacts/ 400 [debug] [<0.7875.1>] httpd 400 error response: {"error":"invalid_consumer","reason":"Invalid consumer (key or signature method)."} It seems that evolution tries to fetch the contacts, then couchdb denies access, and then evolution fails to do a proper oauth. This is on Ubuntu 10.10, with its default dektopcouch 1.0.1. Any hints on where to start would be most appreciated :)

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• Create personal wireless network on laptop

  - by TechGuru

  I have a WiFi Network, now I have connected my laptop to the WiFi Network. And it is working fine I'm able to access the internet via WiFi. But I want to create other network on my laptop so that I can connect my mobile phone to the my laptop network. Means, my laptop is already connected to WiFi network (xyz). Now I want to create one wireless network on my laptop. So that I can connect my mobile phone to laptop network and access the internet on mobile. But I don't want to lost my `laptop and WiFi connection that is already connected. I tried to create the wireless network on my laptop, but when I created my personal wireless network I lost my wifi-laptop connection. I don't know it is possible or not.

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• Upgrading visual studio with Crystal Reports

  - by jkrebsbach

  In the process up updating an app from Visual Studio 2003 to VS 2008.  It happens to have a couple dozen crystal reports that it executes regarly. Upgraded visual studio to 2008, and when attempting to generate the reports an exception was thrown. A significant portion of the rendering engine for Crystal Reports is not coming from Crystal, it's coming from Visual Studio and those methods and properties have changed over the years.  I needed to upgrade the report generating methods from the VS 2003 way of doing things to the VS 2008 way for the report to generate successfully. Not only that, but this means that while we were previously rendering with Crystal 9 in VS 2003, Visual Studio 2008 will render per Crystal 10, which treats things like column widths in Excel different (by default, at least) so now we have to go through all of our reports and compare outputs for Crystal just to upgrade the Visual Studio environment that I foolishly believed would  not be affected.

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• What is the difference between these senior software engineer titles?

  - by stackoverflowuser2010

  I'm currently a senior research software engineer at a large company and am being offered a "senior staff engineer" position somewhere else. I am not sure if the new position's title conveys a sideways move or an advancement. So, all other things being roughly equal (salary, domain of expertise, etc.), what is the external difference between these software engineer titles (in general and regardless of any particular company, if possible): senior engineer senior research engineer senior staff engineer member of technical staff principal engineer Edit: Let me elaborate on "member of technical staff" since it's kind of uncommon. I think it's a high title, commonly associated with research. I know that Oracle, VMWare, and the old Bell Labs have these titles. See: Member of Technical Staff . I know what it means, but I don't know how it stacks up against the other titles, which is why I asked.

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• Does dist-upgrade require PPA software to be uninstalled first?

  - by seb

  Hi all, I'm still running Ubuntu 10.04 with quite a few PPAs. Amongst the PPAs there is Guiodic (Guido Iodice) Lucid quasi-rolling :) PPA which brings most recent versions of many programs to my desktop. My steps: sudo update-manager -d click on upgrade on the appearing window wait for the magic to happen: prepare to upgrade and setting new software channels during 'calculating the changes' I will get the following error message in the panel An error occurred, please run Package Manager form the right-click menu or apt-get in a terminal to see what is wrong. The error message was: ' Error: Marking the upgrade (E:Error, pkgProblemResolver::Resolver generated breaks, this may be caused by help packages.)'This usually means that your installed packages have unmet dependencies When I check Synaptic/apt-get I can't find any errors or hint toward broken packages Could this error be because of many PPA versions being newer than 10.04 original versions?

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• Oracle Solaris at OpenWorld SF 2012

  - by Markus Weber

  SAVE THE DATE !Oracle OpenWorld will be from Sep 30 to Oct 4 in San Francisco this year.Register paying early bird prices, plan for your travel, and plan for your hotel !Get ready to learn about the latest of Oracle Solaris, Oracle Solaris Cluster, and Oracle Solaris Studio. The external Call For Papers just closed, which means many people will work hard over the next few weeks to make sure you will get the best possible sessions, demos, hands on labs, etc.Early signs show that we will have great Solaris coverage, similar to last year. Read this nice recap about it, or to refresh your memory of what we managed to cover last year even more, check out the 2011 Focus On Oracle Solaris document (pdf). So stay tuned. As it's true for all other Oracle products, we will keep you posted on OpenWorld 2012 news as they become available.

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• several subdomains pointing to one folder. fasthosts problem

  - by David

  I have a asp.net website (e.g. www.website.com). The idea is that you will go to the url 'yourname.website.com' and my site will request the name from the sub domain, process it and change the content accordingly. So, I purchased my fasthosts hosting package and created a sub domain which points to a folder within my site. e.g. 'www.website.com/folder'. However, when i now go to the url 'yourname.website.com' it is immediately redirected to 'website.com/folder'. this means I cannot request the subdomain from the url because it has been lost. I have tried contacting these guys but they don't understand and keep going on about some sort of redirect script (although i don't see how any further redirects can solve my problem). Is there something I am missing here? Any suggests or help would be much appreciated!

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• How to estimate tasks in scrum?

  - by Arian

  Let's say we have a backlog of User Stories, each with an estimated number of Story Points, and now we're doing the Sprint Planning. Now, the Stories should be broken down into tasks and many Scrum resources suggest that each task should be estimated in person-hours. Since all questions have been discussed by the team at this point, estimating a task should not take longer than a minute. However, since a task should not be longer than a day, assuming a three week sprint with 8 developers means 120 tasks, and taking two hours only for estimations seems to be a bit much to me. I know that experienced teams can skip or short-cut task estimations, but let's say we're not at that stage yet. In your experience, how many tasks are there in a sprint* and how long should it take to estimate all of them? (Estimating only half of them doesn't make much sense, does it?) (*) I know that depends on sprint length and team size, so let's assume 8 developers and three weeks.

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• How to add a link group to update-alternatives?

  - by Kurtosis

  Is it possible to add a custom link group to update-alternatives that is not already there by default? For example, I want to add Scala and all its supporting binaries as a link group 'scala'. I'm trying using this script, but keep getting the error: update-alternatives: error: unknown argument `' I'm not sure what that means, but after troubleshooting the script a bit with no luck, I'm wondering if update-alternatives has a hard-coded list of link groups, that can't be added to, and that doesn't include scala. PS - any chance someone with higher karma can create an update-alternatives tag? Seems this topic gets a decent number of questions, but no tag for it.

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• Wiki based requirements engineering tool

  - by Shanon

  Hi, I'm looking to to build a wiki based tool the helps/aides in the requirements engineering process. More specifically I am hoping to end up with a tool that helps inexperienced users easily create and design requirements documents on a wiki platform. I was wondering if there exist any wiki/wiki platforms that either already exist or are easily extendible or would be worth looking at that for this purpose. For instance some of the features I was hoping to add would be to add structure to a document so that information is filled out in a standardised manner. Another idea I was looking at was to somehow create relationships between different types of documents (for example- a goal diagram gets evolves/ helps in the development of the class diagram). So far I have come across FOSwiki which claims to to fully customisalble...but I'm not sure what it means and what I can really do with that. Any input on FOSwiki is also highly appreciated.

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• What is "Unlock keyring" and how do I get rid of it?

  - by cipricus

  (In my case this message never appeared before installing Ubuntu One - see this question). Can I use Ubuntu One and avoid being prompted each time like this? I use Lubuntu 12.04. Edit: After exchanging comments I add the supplementary info: I am asked for password and to select session if I log out and in (auto-login is NOT set). Ubuntu One is installed but set NOT to start with session. Keyring appears nonetheless. Before installing Ubuntu One this didn't happen. Also, following the advice of con-f-use, I have entered ps -A | grep -i ubunt[u] in terminal, and got 2346 ? 00:00:01 ubuntuone-syncd, which means that ubuntuone is running when it was not supposed to.

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• Welcome to my first official full time employee!

  - by Vizioz Limited

  The last few months have been pretty manic and Vizioz has been growing successfully into a fully fledged development agency. I have been working with a couple of excellent off shore developers who I would like to publicly thank for all their hard work over the last couple of months!This week has been the start of a new era for Vizioz, I have taken on my first full time developer who is now based in our office in Reading, welcome to Colin. Which means we now have 3 Umbraco developers! Currently one with Level 2 qualification (me) but if business keeps growing I'll be sending the others for training shortly so hopefully by the end of the summer we'll be a certified solution provider.We have lots of plans for the next 6 months, so it should be exciting times, subscribe to my RSS feed to come along for the ride :)

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• First languages with generic programming support

  - by oluies

  Which was the first language with generic programming support, and what was the first major staticly typed language (widely used) with generics support. Generics implement the concept of parameterized types to allow for multiple types. The term generic means "pertaining to or appropriate to large groups of classes." I have seen the following mentions of "first": First-order parametric polymorphism is now a standard element of statically typed programming languages. Starting with System F [20,42] and functional programming lan- guages, the constructs have found their way into mainstream languages such as Java and C#. In these languages, first-order parametric polymorphism is usually called generics. From "Generics of a Higher Kind", Adriaan Moors, Frank Piessens, and Martin Odersky Generic programming is a style of computer programming in which algorithms are written in terms of to-be-specified-later types that are then instantiated when needed for specific types provided as parameters. This approach, pioneered by Ada in 1983 From Wikipedia Generic Programming

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• New Procurement Report for Transportation Sourcing

  - by John Murphy

  Welcome to our fourth annual transportation procurement benchmark report. American Shipper, in partnership with the Council of Supply Chain Management Professionals (CSCMP) and the Retail Industry Leaders Association (RILA), surveyed roughly 275 transportation buyers and sellers on procurement practices, processes, technologies and results. Some key findings: • Manual, spreadsheet-based procurement processes remain the most prevalent among transportation buyers, with 42 percent of the total • Another 25 percent of respondents use a hybrid platform, which presumably means these buyers are using spreadsheets for at least one mode and/or geography • Only 23 percent of buyers are using a completely systems-based approach of some kind • Shippers were in a holding pattern with regards to investment in procurement systems the past year • Roughly three-quarters of survey respondents report that transportation spend has increased in 2012, although the pace has declined slightly from last year’s increases • Nearly every survey respondent purchases multiple modes of transportation • The number of respondents with plans to address technology to support the procurement process has increased in 2012. About one quarter of respondents who do not have a system report they have a budget for this investment in the next two years.

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• Part of the launcher has been cut off, Ubuntu 12.04

  - by Tim

  After a hard drive failure on my iMac, I replaced it and installed Ubuntu. So far, I am finding it very easy to use, however there is one problem which is making it much harder. The bottom of the launcher is missing - it is 'covered' by the desktop background. This means that I cant see the trash, or bottom few icons. Even if I scroll, it doesn't show it. Any help is very much appreciated. If you send a message to [email protected], with the subject "launcher photo", I will send you an email with the photo of the missing part attached. Currently, my only fix is to enable and then disable the extra screen it thinks is there - called unknown device

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• Why can we delete some built-in properties of global object?

  - by demix

  I'm reading es5 these days and find that [[configurable]] attribute in some built-in properties of global object is set to true which means we can delete these properties. For example: the join method of Array.prototype object have attributes {[[Writable]]:true, [[Enumerable]]: false, [[Configurable]]: true} So we can easily delete the join method for Array like: delete Array.prototype.join; alert([1,2,3].join); The alert will display undefined in my chromium 17,firefox 9 ,ie 10,even ie6; In Chrome 15 & safari 5.1.1 the [[configurable]] attribute is set to true and delete result is also true but the final result is still function(){[native code]}. Seems like this is a bug and chromium fix it. I haven't notice that before. In my opinion, delete built-in functions in user's code is dangerous, and will bring out so many bugs when working with others.So why ECMAScript make this decision?

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