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• Failed 11.10 to 12.04 upgrade and drove me crazy!

  - by Ivan

  Please help me with this! I first tried to upgrade my Ubuntu server from 11.10 to 12.04 thru Upgrade Manager, but never succeeded! Then I tried upgrading thru terminal, which took me ~4 hours as I was warned. When I restarted my computer, my login GUI did not show up at all! (Panic I was!) But when I switched to tty6 and it seemed the upgrade has finished, at least partially and got message Ubuntu 12.04LTS and telling me 12.10 is available. There are bunch of unmet dependencies...."apt-get install -f" may resolve the problem. Then I tried: sudo apt-get -f install, did not succeed! Also I tried sudo apt-get update && sudo apt-get upgrade I got bunch of error message too long to list here. Then I tried: sudo do-release-upgrade still bunch of error message there! There seems a lot trouble with the upgrade from 11.10 to 12.04 for me. Did I miss anything? Anyway, can I ask how I can get the gnome login GUI back? Thanks a lot! Yifang

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• Working as a contractor--questions part II

  - by universe_hacker

  This is a follow-up to this discussion: Working as a contractor--questions I still would like to get more info on the following points, when working as a contractor as opposed to direct employee: Housing: for short-term contracts (let's say 6 months or less) that are not in your home area, where and how do you search for short-term, flexible housing? Especially since an employer would typically want you to start immediately, so you don't have the time to go out and explore. Also, would you typically look for furnished apartments because the cost transporting your own furniture for a few months is not justified? Work hours and pay: are contractors more strictly supervised (as far as getting specified work done) because they get paid by the hour? There are also supposed to get overtime pay (at a higher rate) if they work more than 40 hours per week, does this really happen? Or do they work unpaid extra hours just like many regular employees? Some potential employers have mentioned paying the "per diem", which is essentially a non-taxable daily allowance, which is supposed to be used for living expenses. This money gets subtracted from you per-hour rate, but the advantage is that you pay less tax. However, from the information I have seen, the per diem can only be paid if you maintain a "permanent" residence you intend to return to. Is this checked in practice, and if yes, how?

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• Brownfield Support for OVMSS

  - by Owen Allen

  The area of virtualization saw quite a few enhancements with version 12.2. There's one particular virtualization enhancement that can make a big difference for a lot of people: support for brownfield Oracle VM Servers for SPARC. Brownfield refers to Oracle VM Servers for SPARC that were created outside of Ops Center. In older versions of Ops Center, you couldn't really do anything with them - Ops Center could only manage OVM Servers that it created. If you had OVM Servers outside of Ops Center, you'd have to recreate them if you wanted to manage them. In 12.2, though, this problem is cleared up. You can discover and manage OVM Servers for SPARC that you created outside of Ops Center, so long as the LDom Manager is running. When you discover the control domain, all of the logical domains are automatically discovered and managed and appear under the control domain in the Asset tree. If you want to use server pools and migrate the logical domains to a different Oracle VM Server for SPARC system, you'll need to move the metadata to a shared library and use shared Fibre Channel or iSCSI LUNs for the guest domain storage and add the server to a server pool. See the Oracle VM Server for SPARC chapter for more information.

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• Distributing my Application inside a Debian Virtual Machine Image-- How to meet GPL obligations?

  - by bdk

  I have a Linux application I've developed, and I have created a standalone VMWare Image that people can download to try out the application without needing to install and configure a Linux Server. I created this VMWare Image by starting with a base Debian system, installing a bunch of packages and then configuring all the packages and daemons my application depends on. Upon load, the VMWare Image boots right into an X Server running only my application and no Window manager, so its more of a "Virtual Appliance" than a normal Linux Desktop environment. Users generally will never see a command prompt or any application other than my own. (My application itself I have a handle on the licensing issues of) Now I would like to distribute this image, but I'm not sure how to meet my GPL (and other licenses the various Debian components are released under) Obligations. As I understand it, I have two primary obligations to meet. Providing Copyright and License Information for each component I use. As I understand it, all the information I am required to present is located in the /usr/share directory in the Debian, but since my users generally will never touch a console or terminal, they will never see this. Does providing a text file containing a concatenation of all the files inside /usr/share meet this obligation Making source code available for all components I distribute. Since I am not creating the image from source, but from binary packages, I can't provide the actual source code that results in exactly my image being generated. Does providing an ftp mirror and an offer to send that mirror on DVDs of the Debian source debs for all the packages I use meet this obligation? Anything Else I'm required to do to legally distribute this image?

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• Offshoring: does it ever work?

  - by DanSingerman

  I know there has been a fair amount of discussion on here about outsourcing/offshoring, and the general opinion seems to be that at best it is difficult, and at worst it fails. I have direct experience of offshoring myself; a previous company where I was a dev manager wanted to send some development offshore, and we ran a pilot scheme to see how well it would work. Of course it was a complete failure, although it is not completely clear to me whether this was down to the offshore devs being less talented, the process, or other factors (no doubt it was really a combination). I can see as a business how offshoring looks attractive (much lower day rate), but as far as I can see, the only way it could possibly work is if you do exceptionally detailed design up front, with incredibly detailed specifications; and by the time you have invested in producing that, you have probably spent as nearly as much as if you had written the actual code locally (which I think is an instance of No Silver Bullet) So, what I want to know is, does anyone here have any experience of offshoring actually working ever? Especially if there are any success stories of it working in a semi-agile way? I know there are developers here from all over the World; has anyone worked on an offshore project they consider successful?

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• See the exciting new features available for iProcurement and Sourcing with 12.1.3 Rollup Patch 14254641:R12.PRC_PF.B!

  - by user793044

  See the exciting new features available for iProcurement and Sourcing with 12.1.3 Rollup Patch 14254641:R12.PRC_PF.B! Functional Area New Feature Note Reference Sourcing Suppliers can now accept Terms and Conditions to comply with the buyer's Non-Disclosure Agreements (NDA). The PDF generation process has been enhanced to provide faster generation of negotiation PDFs containing large amounts of data. Note 1499944.1 Sourcing New features From Procurement RUP Family R12.1.3 September Update 2012: Accept Terms and Conditions to Comply With NDA iProcurement Users can now do the following: Requesters can specify the GL date (encumbrance date) for each distribution against a line at the time of creating requisitions.  Enter an Accounting Date on and Procurement Requisition, if Dual Budgetary Control is enabled for Purchasing. Choose a Favorite Charge Account to override your default charge account, using the Preferences page.  Buyers can update the unit price, suggested supplier, and site details while requesting a catalog item (inventory item) that is not linked to a blanket purchase agreement. Note 1499911.1 iProcurement New Features From RUP Family R12.1.3 September Update 2012: GL/Accouting Date,PO_CUSTOM_FUNDS_PKG.plb,Price and Supplier Update For new features across all the Procurement product groups and information about applying Patch 14254641 see Note 1468883.1.

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• How to Enable Priority Inbox on Android (and Setup Important-Only Notifications)

  - by The Geek

  Yesterday Google released an updated Gmail application for Android 2.2 phones that supports the Priority Inbox feature—and more importantly, allows you to change your notifications to only alert you for important email. Let’s take a look. Note: If you’ve never used Priority Inbox, you should really give it a try—it rearranges your email into what is and isn’t important, and you can customize how it classifies messages easily. The idea is that it learns over time, so if you send a lot of emails back and forth with somebody, it will know that they are probably important—you can manually adjust the settings as well. To update the Gmail application, you’ll want to head into the Market and access Menu –> Downloads, where you should see Gmail in the list, and it should let you update from there. If you don’t see an update, you’re either not running Android 2.2, or it has already updated automatically Latest Features How-To Geek ETC 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 Our Favorite Tech: What We’re Thankful For at How-To Geek Settle into Orbit with the Voyage Theme for Chrome and Iron Awesome Safari Compass Icons Set Escape from the Exploding Planet Wallpaper Move Your Tumblr Blog to WordPress Pytask is an Easy to Use To-Do List Manager for Your Ubuntu System Snowy Christmas House Personas Theme for Firefox

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• Cannot connect to wireless network

  - by smr

  I am quite new to using Ubuntu 12.10. All I remember while installing Ubuntu 12.10 was that I didn't check any box specifically to enable wireless connectivity. I tried looking into the various questions posted here - most of them refer to certain commands (redundantly sudo) and things of that sort. I am quite new and wasn't sure of understanding what those commands were trying to do (the network configuration settings - showed up different options, like 'Wireless', 'Wired', 'IPv4', 'IPv6' etc -- I am not sure of what sort of settings are to be made - like for example what sort of 'WEP' settings etc are to be made. Although I wasn't able to connect to the wireless network, I was able to connect to the internet, once I plugged in the ethernet cable. Can someone help me with: 1) Understandng a way to see if Ubuntu is configured to connect to a wireless network. 2) If so - Getting to configure to a wireless network (setting up a new one). 3) Where in ubuntu, should I look for seeing if there are any hardware devices (such as the Broadcom wireless adapter or things of that sort - like the way we use the 'Device manager' in Windows to look into the adapter settings). 4) Reference material to learn and understand the various ubuntu commands. (things like the -lshw etc).

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• Setting console resolution in Ubuntu Server 13.10 within VMware

  - by user205625

  I've completed an install of Ubuntu Server 13.10 within VMware and am running into a problem configuring the console (non-graphical) resolution. When I was running Ubuntu Server 13.04, I ran into the same problem... posted the question here, which I later solved by editing /etc/default/grub thus: GRUB_CMDLINE_LINUX_DEFAULT="splash vga=789" I then ran sudo update-grub, sudo reboot and 13.04 stuck in a larger-size console mode... just what I wanted. BUT when I run the same commands in 13.10, during the reboot it changes to the new screen-res, BUT the screen stays black and I can't interact with it. I power down the VM, go back to a previous snapshot, and try again... and again. Since the hwinfo package is no longer available, I can't run sudo hwinfo --framebuffer to see what options are available. Ideas anyone? Here are the uncommented settings in my /etc/default/grub file at this moment: GRUB_DEFAULT=0 GRUB_HIDDEN_TIMEOUT=0 GRUB_HIDDEN_TIMEOUT_QUIET=false GRUB_TIMEOUT=10 GRUB_DISTRIBUTOR=lsb_release -i -s 2> /dev/null || echo Debian GRUB_CMDLINE_LINUX_DEFAULT="splash" GRUB_CMDLINE_LINUX="find_preseed=/preseed.cfg" GRUB_DISABLE_LINUX_RECOVERY=false GRUB_GFXMODE=800x600

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• How do I fix my ethernet card losing network connection every few minutes with kernels 3.8.x?

  - by igoryonya

  I'm using Ubuntu 13.04. My laptop is Acer Aspire one 722-c58rr, and my ethernet card works for a few seconds at a time with kernels 3.8.x, however, kernels 3.5.x and below worked fine. On kernels 3.8.x, it works fine after boot for about a minute, then it looses network connection. When pinging to some address, it says: network address is unreachable, but it can ping it's own address. The address is statically configured. Everything was working fine before. I went to vacation, where I used WiFi and 3G connections, so I didn't notice that the problem occurred. Came back home, plugged in into the ethernet. It worked for a minute then stopped. Rebooting commutator fixed the problem. Tried to connect to a different commutator, same problem. Unplugging and plugging the cable fixes the problem for another minute. Disconnecting eth in Network manager and reconnecting it again, does the same thing. WiFi has no such problem. Tried to use a different cable that works fine on another computer, the same problem. Tried to boot with the lower kernel version, the same problem was happening until I got to the version 3.5 of the kernel series. Everything works fine on the kernel 3.5.x, but I don't want to miss out on the new kernel's features. Executing commands, when booted with 3.8 kernel series, give the following results: lspci| grep -i eth: 06:00.0 Ethernet controller: Qualcomm Atheros AR8152 v2.0 Fast Ethernet (rev c1) dmesg| grep eth1: [ 89.548291] atl1c 0000:06:00.0: atl1c: eth1 NIC Link is Up How do I fix it, while staying in the new kernel version?

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• Is having a single `IndexWriter` instance in Lucene a good idea?

  - by Dragos

  I am trying to understand how Lucene should be used. From what I have read, creating an IndexReader is costly, so using a Search Manager shoulg be the right choice. However, a SearchManager should be produced by a NRTManager(which, by the way, should replace the IndexWriter for every add or delete operation performed). But in order to have a NRTManager, I should first have an IndexWriter, and here comes my problem. The documentation says: an IndexWriter is thread-safe the constructor of this class takes a Directory object, so it seems creating an instace should be costly(as in the case of an IndexReader) all changes are buffered and flushed periodically(so they seem to encourage using a single instance) but: the changes, although flushed will only be visible after commit or close after finished making updates(add/delete), the instance should be closed I also found this: http://stackoverflow.com/questions/5374419/forgot-to-close-the-lucene-indexwriter-after-adding-documents-to-the-index where it is said that not closing a writer might ruin everything So what am I really supposed to do? Is having a single IndexWriter instance a good idea (make only commit and never close it)? EDIT: What is more, if I use NRTManager, how can I make acommit`? Is it even possible?

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• How to prevent one account from unlocking products on other devices using Apple StoreKit?

  - by reapz

  We are currently wrapping up a free-to-play game on iOS in which you can purchase non-consumable products. We have been discussing this case internally and are not quite sure what the best practices are as this is our first title. For example, if a user downloads our app, and makes some purchases. These can be restored should the app ever be deleted and reinstalled as long as the user uses the same Apple ID. What is to stop him from making a fake Apple account, purchasing items and then posting this account on the web allowing everyone to get the items for free? That is obviously a worst case situation. But a smaller case would be a user unlocking items for his friends. We do not want this to be an always online game but have considered doing a check on startup if there is internet available. If the currently logged in account doesn't own the products do we lock them again? Probably not because people may simply sign into the device with different Game Center logins at which point we don't want to constantly lock and unlock items. At some point we will be adding multiplayer at which point we can definately do a check with the currently logged in account. This is because A, they will be online when attempting multiplayer, and B, they will want to use their own account for multiplayer. Unfortunately we aren't quite ready for this yet. Has anyone tackled this issue. Are we overthinking here?

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• b2b SOA Suite partner training November 13th & 14th Bucharest

  - by JuergenKress

  Description: Oracle SOA Suite 11g is a complete infrastructure for building, deploying, and managing composite applications and business processes. For an enterprise to extend business processes to its trading partners, it requires a platform that addresses compliance, security, visibility, scalability, and standards. The Oracle SOA Suite (Oracle B2B) is this platform. Oracle B2B, the "Edge Component", enables an enterprise to define, configure, manage, and monitor the exchange of information, with its trading partners. Oracle SOA Suite, the "B2B Infrastructure", enables business process orchestration, administration, monitoring, auditing, inter-enterprise connectivity, governance and security. Together they provide a complete end-to-end business process integration platform. Date Location Time Facilitator Register 13-14 November Oracle Room MtgRm15_6, Bucharest - Nusco Tower, Romania D1: 08:30 - 17:30 D2: 09:00 - 17:30 Krishnaprem Bhatia Please contact us directly Registration Please contact us directly - Please note that there are limited seats and confirmation will be on a first come, first served basis Travel Each delegate is responsible for his/her own travel arrangements. Please obtain approval from your manager first. Contact For logistic questions, please contact Nadja Vogl SOA & BPM Partner Community For regular information on Oracle SOA Suite become a member in the SOA & BPM Partner Community for registration please visit  www.oracle.com/goto/emea/soa (OPN account required) If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Mix Forum Technorati Tags: b2b,SOA Suite,training,eduction,b2b training,SOA Community,Oracle SOA,Oracle BPM,Community,OPN,Jürgen Kress

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• Trade In, Trade Up Promotion: SPARC Consolidation Now Through May 31st

  - by swalker

  Dear Partner, Installed Base Business (IBB) technology refresh is one of the most important activities for Oracle, for you and for your customers. It allows your existing customers to benefit from the most up-to-date, best-of-breed Oracle products. And it’s an exciting time to perform a technology refresh: a new SPARC promotion is available now, closing 31st May 2012. Customers trading in older SPARC systems and upgrading to a new SPARC SuperCluster T4-4 or SPARC Enterprise M8000/M9000 can get $4,000 per CPU. Discount is pre-approved and upfront (maximum discounts apply). The major highlights are as follows: Targeted Systems: Upgrade to SPARC M8000, M9000, SuperCluster Qualified installed base upgrade from: All older-generations of SPARC systemsPromotional offer: Trade-in Value: $4K per CPU Pre-approved maximum discount (including trade-in) not to exceed 60% on M8/9000 systems and 25% on SuperCluster No-cost dock-to-dock shipping, and environmentally safe disposal of the returned hardware through Oracle best-of-class recycling processes. Recommendations: We recommend you to take the following actions: As usual, please register your opportunities in OMM When you do so, please make sure you place the following Campaign Names in the “Marketing Initiative” field of OMM: Campaign Name : EMEA_Tech Refresh-IBB Campaign_12H1_Follow Up_O For all the details: Please view rules, and FAQs. For more information, please visit the Promo Partner Site here. For more information on IBB and the Oracle Upgrade Advantage Program (UAP):http://www.oracle.com/us/products/servers-storage/upgrade-advantage-program/index.html http://www.oracle.com/partners/secure/sales/oracle-ibb-program-for-partners-184291.html Contacts: For questions, please contact your favorite Oracle Partner Account Manager.

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• Working with Git on multiple machines

  - by Tesserex

  This may sound a bit strange, but I'm wondering about a good way to work in Git from multiple machines networked together in some way. It looks to me like I have two options, and I can see benefits on both sides: Use git itself for sharing, each machine has its own repo and you have to fetch between them. You can work on either machine even if the other is offline. This by itself is pretty big I think. Use one repo that is shared over the network between machines. No need to do git pulls every time you switch machines, since your code is always up to date. Never worry that you forgot to push code from your other non-hosting machine, which is now out of reach, since you were working off a fileshare on this machine. My intuition says that everyone generally goes with the first option. But the downside I see is that you might not always be able to access code from your other machines, and I certainly don't want to push all my WIP branches to github at the end of every day. I also don't want to have to leave my computers on all the time so I can fetch from them directly. Lastly a minor point is that all the git commands to keep multiple branches up to date can get tedious. Is there a third handle on this situation? Maybe some third party tools are available that help make this process easier? If you deal with this situation regularly, what do you suggest?

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• Calculation of Milestones/Task list

  - by sugar

  My project manager assigned me a task to estimate the development time for an iPad application. Lets assume that I gave estimation of 15 working days. He thought that the number of days where too many and client needed the changes to the application urgently (as in most of cases). So, he told me: "I am going to assign two developer including you and as per my understandings and experience it won't take more than seven working days." Clarifications I was given the task of estimating development time for an individual. How could I be sure that 2 developers are going to finish it within 7 days? (I am new to team & I hardly know the others abilities) Questions Why do most of project managers / team leaders have understandings like: If one developer requires N days, Then two developers would require N/2 days, Do they think something like developer = s/w production machines? Should a team member (developer, not team lead or any higher post) estimate other developers work? I didn't deny anything in the meeting and didn't said, but what should be the appropriate answer to convince them that N/2 formula that they follow is not correct?

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• IZWebFileManager

  - by csharp-source.net

  IZWebFileManager is featured File Manager control for ASP.NET 2 compatible with most-used browsers like MS Internet Explorer and Firefox. Features: * Copying, moving, renaming, deletion of files and folders; * Ability to work (copy, move, delete) with several files at once; * File upload; * Easy duplication of files and folders; * Right-click context menu (Windows Explorer like); * Common shortcuts supported. Arrow Keys, F5 - refresh, F2 - rename, Enter - default action, Delete; * Permission control: you can forbid uploading, renaming or deletion of files and folders. You can limit size of files that can be uploaded and restrict types of files which could be uploaded by their extensions. For example, you can let users upload pictures (gifs and jpgs) only with the size not more than 50KB. * Multilingual interface. English, Russian and Hebrew are already supported. Other languages can be added without even recompilation of the component; * Full Unicode and Right-to-Left support; * All major browsers supported. The component has been tested and works fine in Netscape 8.0, Firefox 1.5, IE 6.0 (SP2); * Optimized and compiled for .Net Framework 2.0; * Totally easy to install and to use. No additional configuration in web.config need. Deployed with *.dll only; * XHTML capability.

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• Windows Recovery from Grub messed up my computer?

  - by Hudson Worden

  Ok so I'm a noob when it comes to Operating Systems and I think I really messed up this time. So I have a laptop that dual boots Windows 7 and Linux Mint 11. I was trying to boot into Windows 7 but it would just have a black screen with a blinking cursor. So I turned off my computer and tried again. Still a black screen with a cursor. So I thought "well it must be broken somehow and I remembered seeing something like 'Windows Recovery' from the boot menu so I should try it." So when I turned on my computer a third time I selected 'Windows Recovery' (Something like that I can't remember exactly what it was called). After I had selected that I got a white Windows window that said in big red letters "ERROR". I turned off my computer again a turned it back on expecting the Grub menu to reappear. I was wrong. Instead I am greeted with error: no such partition grub rescue. Then I put in a live CD for ubuntu 11.04 and tried looking at my partitions using the disk manager. Looking at my partitions I notice that there isn't a Linux partition anymore and in its place is a unallocated space partition yet the Linux Swap partition is still there. My windows partition is still fine and I can access the files in it. If you understand what has happened, is there anyway I can get my files back? I don't care about reinstalling the OS again. I just want those files that are in the Linux Mint partition.

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• Should I not show all my skills?

  - by Cracker

  I have been programming for a very long time and I have in depth knowledge of several technologies. Recently I applied for a web development job and in my resume I had listed all the skills - HTML, CSS, JavaScript, jQuery, AJAX, PHP, ASP, JSP, C/C++, ARM. Except for C/C++ and ARM I had shown the skill level for all technologies as expert. Many of my friends had applied for the same job and they did not have any web development experience. ALL of them got a call for interview. However I got a rejection saying that we have received applications from very high level candidates and you have not be selected to go to the next level. This has seriously demotivated me. I do not understand why I have been rejected when I had all the required skills and all those who did not have any of the skills have been selected. One reason which I think is that the employer might be thinking that how one person can be an expert in all the technologies. Once in another interview I was told by the HR manager that it is unbelievable that you know ASP, JSP and PHP all in depth as we have different programmers for each of the technology. Such incidents make me very unhappy as in spite of being highly capable of the position I am rejected. Should I not list all my skills in the resume to avoid such situations?

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• Emacs stops taking input when a file has changed on disk [migrated]

  - by recf

  I'm using Emacs v24.3.1 on Windows 8. I had a file change on disk while I had an Emacs buffer open with that file. As soon as I attempt to make a change to the buffer, a message appears in the minibuffer. Fileblah.txt changed on disk; really edit the buffer? (y, n, r or C-h) I would expect to be able to hit r to have it reload the disk version of the file, but nothing happens. Emacs completely stops responding to input. None of the listed keys work, nor do any other keys as far as I can tell. I can't C-g out of the minibuffer. Alt-F4 doesn't work, not does Close window from the task bar. I have to kill the process from task manager. Anyone have any idea what I'm doing wrong here? In cases it's various modes not playing nice with each other, for reference, my init.el is here. Nothing complex. Here's the breakdown: better-defaults (ido-mode, remove menu-bar, uniquify buffer `forward, saveplace) recentf-mode custom frame title visual-line-mode require final newline and delete trailing whitespace on save Markdown mode with auto-mode-alist Flyspell with Aspell backend Powershell mode with auto-mode-alist Ruby auto-mode-alist Puppet mode with auto-mode-alist Feature (Gherkin) mode with auto-mode-alist The specific file was a markdown file with Github-flavored Markdown mode and Flyspell mode enabled.

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• ISO 12207 - testing being only validation activity? [closed]

  - by user970696

  Possible Duplicate: How come verification does not include actual testing? ISO norm 12207 states that testing is only validation activity, while all static inspections are verification (that requirement, code.. is complete, correct..). I did found some articles saying its not correct but you know, it is not "official". I would like to understand because there are two different concepts (in books & articles): 1) Verification is all testing except for UAT (because only user can really validate the use). E.g. here OR 2) Verification is everything but testing. All testing is validation. E.g. here Definitions are mostly the same, as Sommerville's: The aim of verification is to check that the software meets its stated functional and non-functional requirements. Validation, however, is a more general process. The aim of validation is to ensure that the software meets the customer’s expectations. It goes beyond simply checking conformance with the specification to demonstrating that the software does what the customer expects it to do It is really bugging me because I tend to agree that functional testing done on a product (SIT) is still verification because I just follow the requirements. But ISO does not agree..

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• Problems after installing a plethora of updates

  - by box

  yesterday I decided to install 32-bit Ubuntu on my 64-bit desktop, first of all, is that a problem? After installing, i had around 270 updates to install, according to the update manager. I was having trouble launching a game with WINE, so I thought updating might help. After updating, I restarted my computer, and after a long while it showed me my desktop and the icon's on it, but I didn't get anything else. I didn't have the "taskbar" (not sure what it's called, sue me) on the left side, nor the bar at the top. I also received an error message saying some program had stopped working. I decided to restart my computer again, and that was when it told me that i have to re-configure my drivers, or run in "Low Graphics" mode for one session, amongst other options. Well, I decided to try to revert to the "basic video drivers", which was an option it gave. Restarting the computer gave me the same problem as in the second paragraph. After a few more restarts and a night of restless sleep, here I am trying to start my computer again, only to receive a black screen, and my monitor "going to sleep". I'm sort of stumped here, being new to Ubuntu (desktop, at least) and I really hope this gets fixed without me having to install Ubuntu on yet another partition (I have three other partitions for various things already) tl;dr: Black screen on boot after installing updates.

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• How to prioritize related game entity components?

  - by Paul Manta

  I want to make a game where you have to run over a bunch of zombies with your car. When moving around, the zombies have a few things to take into consideration: When there's no player around they might just roam about randomly. And even when some other component dictates a specific direction, they should wobble to the left and right randomly (like drunk people). This implies a small, random, deviation in their movement. They should avoid static obstacles. When they see they are headed towards a wall, they should reorient themselves. They should avoid the car. They should try to predict where the car will be based on its velocity and try to move out of the way. When they can, they should try to get near the player. All these types of decisions they have to do seem like they should be implemented in different components. But how should I manage them? How can I give different components different weights that reflect the importance of each decision (in a given situation)? I would need some other component that acts as a manager, but do you have any tips on how I should implement it? Or maybe there's a better solution?...

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• Fresh install of 64 bit 12.04 over 32 bit 11.10 alongside Windows 7

  - by Pareen

  I currently have Ubuntu 11.10 32 bit and Windows 7 dual boot in separate partitions. I am trying to do a fresh install of Ubuntu 12.04 64 bit (mistakenly installed the 32 bit 11.10 a little while ago.. I need a 64 bit version to support AOSP build) OVER my the exisiting 11.10 partition. I have referenced How to Install fresh 12.04 install to a PC with dual booting Windows 7 & Ubuntu11.10?, as well as other posts on using the Live CD to do a fresh install. However, the problem I am experiencing is when I bring up the install screen, it says the following: This computer has multiple operating systems on it. What would you like to do. (3 options) Install Ubuntu 12.04 alongside them Replace all with Ubuntu 12.04 (Warning, this will delete files across ALL operating systems) Something else (you can create or resize partitions yourself) This is different from what is in other posts, as mine states that there are "multiple O.Ses" and doesnt individually allow me to replace the Ubuntu 11.10. I don't want to replace ALL O.S.es: I need to preserve Windows 7 and am only trying to replace the old Ubuntu 11.10 partition with the new 12.04 64 bit. I did have Ubuntu installed via Wubi (I believe it was 10.04) prior to putting 11.10 in a separate partition, but I have removed it via Add/Remove programs in Windows. I was wondering how to go about doing this... Should I use the "Something else" option to bring up the partition manager, and just assign my existing 11.10 partition with root mount point + swap space. Will this do the same thing by overwriting with fresh 12.04 install?? I appreciate all your help.

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• How can I make smoother upwards/downwards controls in pygame?

  - by Zolani13

  This is a loop I use to interpret key events in a python game. # Event Loop for event in pygame.event.get(): if event.type == QUIT: pygame.quit() sys.exit() if event.type == pygame.KEYDOWN: if event.key == pygame.K_a: my_speed = -10; if event.key == pygame.K_d: my_speed = 10; if event.type == pygame.KEYUP: if event.key == pygame.K_a: my_speed = 0; if event.key == pygame.K_d: my_speed = 0; The 'A' key represents up, while the 'D' key represents down. I use this loop within a larger drawing loop, that moves the sprite using this: Paddle1.rect.y += my_speed; I'm just making a simple pong game (as my first real code/non-gamemaker game) but there's a problem between moving upwards <= downwards. Essentially, if I hold a button upwards (or downwards), and then press downwards (or upwards), now holding both buttons, the direction will change, which is a good thing. But if I then release the upward button, then the sprite will stop. It won't continue in the direction of my second input. This kind of key pressing is actually common with WASD users, when changing directions quickly. Few people remember to let go of the first button before pressing the second. But my program doesn't accommodate the habit. I think I understand the reason, which is that when I let go of my first key, the KEYUP event still triggers, setting the speed to 0. I need to make sure that if a key is released, it only sets the speed to 0 if another key isn't being pressed. But the interpreter will only go through one event at a time, I think, so I can't check if a key has been pressed if it's only interpreting the commands for a released key. This is my dilemma. I want set the key controls so that a player doesn't have to press one button at a time to move upwards <= downwards, making it smoother. How can I do that?

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