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• Coding events. What they actually are about, and are they worth it?

  - by BKC

  I'm a relatively new programmer, but am very much interested in it. I enrolled to this coding event (Yahoo! Hack India, to be precise), and got invited after the pre-coding contest. The event is like a contest where developers create an application in 24 hours, In group or individually. I've never been to such an event before, and certainly don't know anyone who did. So, here are my questions. First of all, is it worth it? What if we don't get any ideas in the first place to start with? I'm not actually a developer, I'm an electrical engineering student who just completed his 2nd semester. So will be able to match up to the level of other developers who will be there? Any other advice/suggestions Thank you in advance.

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• google earth 7, 32bit in 12.10 runs without error but there is no image (globe)

  - by Dennis

  Everything seemed to install fine. I can start google earth and all layers are available, I can even zoom in and look at 3-D buildings. But there is absolutely no image data displayed at all. If you look at the whole globe the outlines are there on an invisible globe. As you zoom in the base looks dark grey almost black but there is no image. I have tried. Tools Options Graphics Safe Mode Tools Options Texture colors all combinations Tools Options Cache (tried several changes to the numbers) lspci shows Display controller: Intel Corporation Mobile 915GM/GMS/910GML Express Graphics Controller (rev 03) Running on a Dell Inspiron 6000 laptop (1.5Gb memory)

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• When Ubuntu Server restarts eth0 Doesn't come back up

  - by JoelGsus

  Every time I restart my Ubuntu Server 11.10 I can't ssh into it because ETH0 doesn't come up automatically. I never had this problem before upgrading to 11.10. I have to login to the server and start the ETH0 manually. I would appreciate it any help. Thanks. Here is my /etc/networks/interfaces file: #The loopback network interface auto lo eth0 iface lo inet loopback # The primary network interface iface eth0 inet static address 192.168.1.102 netmask 255.255.255.0 broadcast 192.168.1.255 network 192.168.1.0 gateway 192.168.1.1

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• Snooker Android Application [closed]

  - by Rzarect

  I am working currently on my final year project / dissertation for the university and I have a "crazy" idea for it. I was thinking of designing an android app for Snooker players, different bars or tournaments, an app that will use the mobile camera to detect every movement and change on the table and in the same time will keep the score for the players without any human input. I want to know if it is an impossible thing. If it is plausible I really need some ideas, advices from where to start. I got to say that I have some experience in Android development and I already started to read a lot of articles, projects about the shape detection, color detection and edge detection.

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• How do you know when to change jobs? [closed]

  - by dustyprogrammer

  Possible Duplicate: When do you know it's time to move on from your current job? I have been working for a couple years now. I just want to know what people think about leaving one company for another, or to start looking around for other positions. I tend to use people's resumes as a guideline for when to change from one company to another. I am approaching, the time in my life where most of those people I look too, move away from their first position to pursue others. I know that isn't something good to base my decisions on what other do. I was wondering when is it time to move companies. I am currently happy at my position, and I am learning tons. Its just something I have been seeing a lot, I would like to get a feel for what people think. Thanks.

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• Empty nvidia-settings after install v. 331.67 driver on Ubuntu 14.04?

  - by Victoralm

  I've followed this tutorial (with the following adjustments below) to install v. 331.67 nVidia driver. But get nvidia-settings (NVIDIA X Server Settings) empty... Then, before restart the PC, I make a xorg.conf in the nvidia-settings. The driver make Unity don't start right. So I installed nvidia-331-updates via apt-get and restarted the PC again. After that, the Unity works fine. But the nvidia-settings gets almost empty... Can someone help !?

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• Bursts of white noise sound when playing videos

  - by Dave M G

  I've recently freshly reinstalled Ubuntu, and Mythbuntu, on all my computers. On one of my computers, Mythbuntu 11.10, when I play a video, when it starts, I get a burst of white noise (static) that stays on. If I stop the video and restart it, the noise goes away. Sometimes if I fast forward or manipulate the video, the noise will start. It seems to be initiated, and stopped, by starting or interacting with the video. Any ideas as to why this is happening and how I can get rid of it?

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• Is programming in layers real?

  - by Aura

  I am fairly new in product development and I am trying to work over a product. The problem that I have realized is that people draw diagrams and charts showing different modules and layers. But as I am working alone (I am my own team) I got a bit confused about the interaction I am facing in the development within the programs and I am wondering whether developing a product in modules is real or not? Maybe I am not a great programmer, but I see no boundaries when data start to travel from frontend to backend.

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• Half the time Linux drop into BusyBox; the rest of the time the boot happens normally

  - by JoBu1324

  I just installed Ubuntu x64 onto a USB3 Drive from a DVD, and half the time it appears to skip the grub menu and boots directly into BusyBox. Since the USB3 drive is an SSD, I ran through the full installation (installing on an ext4 partition, along side a 1GB boot partition at the start of the disk), skipping the swap partition. Part of the time that the Grub Menu does shows, it boots into BusyBox with an error: ALERT! /dev/disk/by-uuid/[uid] does not exist. Dropping to a shell! What could cause such an issue?

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• How do I re-install Samba?

  - by Sheldon

  I recently followed a guide to configure Samba but I couldn't get it configured properly. After realizing that the guide was six years out of date I thought I should start again. I reinstalled samba by first using these commands: sudo apt-get purge samba sudo apt-get install samba But after reading my configuration file (/etc/samba/smb.conf) I noticed that it was the same file, containing the same edits I had made. I then proceeded to delete the directory and then re-install samba again. However, the directory is not replaced after re-instillation and now I don't appear to have a configuration file. How do I get it back? Or install Samba correctly?

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• worth learning c# before Visual Web Developer 2010 [closed]

  - by Jamie Knott

  Ive been trying to learn asp.net from reading "beginning asp.net 4 with c#" and been finding it hard to get a solid grasp on the code involved. I plan to go to tafe sometime next year to get my diploma but want to start myself. instead of learning asp.net as a whole and all the languages involved such as c#, html css and javascript etc etc. I'm starting to think a solid understanding of at lest one of these might be beneficial I have "Beginning C# Object-Oriented Programming - Clark - Apress, is it worth learning about the languages before I go head first into a ide?.

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• Truecrypted Windows 7 missing in Grub2 after upgrade

  - by user287545

  I have an encrypted dual boot Windows 7/Ubuntu System and upgraded my Ubuntu today. Everything went smooth but my Windows is not shown in the Grub2-List anymore. Starting up I have the Truecrypt Bootloader and after entering the Password I get to Grub (now Grub2). There my Windows 7 entry is missing now. Here is my report: http://paste.ubuntu.com/7569182/ Updating Grub did nothing to it. My guess is that within Ubuntu it does not recognize my Windows Installation on sda1 anymore. I can't mount it aswell. I can only mount it via Truecrypt itself. I think I might have to manually insert the menu item for Windows into that Grub config file. I guess that after entering the password in the truecrypt bootloader it would be possible to start Windows if the item was there - just a guess though. Edit: I basically followed these steps to set up my system: Dual Booting Windows 7 with Ubuntu 12.04LTS with Truecrypt

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• Update live USB distro?

  - by qubex

  I have Lubuntu 14.04 (and Ubuntu 14.04) on a pair of USB disks created by writing the img files to USB using dd on Mac OS X. Unfortunately these systems both have some known bugs (that have since been corrected) and lack certain important drivers for my system (which I have located online). How can I make the USB disks writable and how do I update the distribution upon them as one may do for a locally-installed system? And if I later proceed to install from these USB sticks onto a hard-drive, will they ‘carry’ the package and driver updates with them or will I have to start from scratch again? (I seem to remember from my ancient Windows XP days that such procedures were referred to as ’slipstreaming’ or somesuch on that side of the fence.) (No, I did not create a persistence partition when I created the sticks, because from Mac clearly that isn’t an option. And anyway, as I imperfectly understand it, the persistence partition is for user files and not for the modification of the system.)

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• What is Pseudocode?

  - by Jae

  I've seen a lot of mentions of Pseudocode lately, on this site and others. But I don't get it: What is Pseudocode? For example, the Wikipedia article below says "It uses the structural conventions of a programming language, but is intended for human reading rather than machine reading." Does this mean that it isn't actually used to make programs? Why is it used? How is it used? Is it considered a Programming Language? See the above Wikipedia quote. Is it commonly known/used? Anything else... I honestly don't know where to start with this. I have Googled it and I've seen the Wikipedia article on the topic, but I still don't fully understand what it is.

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• What method do I use to manage an app-specific background process?

  - by Simon Dubois

  I am developing an application with different behavior depending on the arguments : "-config" starts a Gtk window to change options, start and close the daemon. "-daemon" starts a background process that does something every X minutes. I already know how to use fork/system/exec etc... But I would like to know the main logic of such application to : restart or refresh the daemon when configuration change. keep only one instance of the daemon. I have read that killing the daemon to restart it is not a clean way to do. How other applications do ? (ubuntuone, weather forecast, rss feed working with notification area) Thanks for your help. PS : I don't want to create a system-wide daemon, just a user application with a background process.

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• How can you plan long range resources and budgets when using Agile methodology?

  - by Mystere Man

  Agile does not encourage a lot of up-front design. This is good from a requirements management and software development standpoint, and allows the project to adapt to changing business needs. However, how does one do any long range planning of resources if you don't really know what you're going to build when you start? Oh sure, you have a conceptual model of what you're going to build, but you don't have any measurable detail from which to gague how many resources you will need to complete the project, or how much it will cost. Does anyone have any suggestions on how to go about long range planning in an agile environment?

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• Recommend an open source CMS for single page web site

  - by RedMan

  Hi I want to create a single page web site like http://kiskolabs.com/ or http://www.carat.se to display my portfolio. I want to add new products after launching the site without having to edit the entire site. I've looked at opencart (too much for single page site), Magneto (more for ecommerce), Wordpress (couldn't find open source / free templates which i can start from). Can you suggest a CMS which will support the creation of a single page site and allow insertion of new products without having to edit the entire page? I would prefer a CMS which also has open source / free templates which I can tweak for my use. I can do php and mysql, xml. If it is an easier option I can do PSD to site (but don't know much about this at all).

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• Software to create a video slideshow?

  - by DisgruntledGoat

  I have a bunch of pictures I'd like to make into a basic slideshow, as a video (e.g. mpeg/avi). What software is available to do this? I started using PiTiVi based on recommendation in another question, which seemed nice at first. However, it's very unstable - just crashed my whole system! Regardless, it won't let me do anything over 10 seconds because the timeline keeps jumping back to the start any time I try and move/resize a clip. All I need is to fade between some images. Anything out there?

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• How to use unused space in ubuntu

  - by Ravi.Kumar

  I installed ubuntu on my machine with only 80 GB of memory anticipating that I will remove it later but now I want to keep it forever (until I am frustrated with linux). I have 500 GB in my machine and now I want to use that raw 420 GB of space. How I can I do that ? with "space/memory" I am referring to secondary memory not Ram. Here is output of : sudo fdisk -l Disk /dev/sda: 500.1 GB, 500107862016 bytes 255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x000dcb77 Device Boot Start End Blocks Id System /dev/sda1 * 2048 136718335 68358144 83 Linux

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• Get system info from C program?

  - by Hamid

  I'm writing a little program in C that I want to use to output some system stats to my HD44780 16x2 character display. The system I'll be working with is a Debian ARM system and, although irrelevant, the display is on the GPIO header.(The system is a Raspberry Pi). As an initial (somewhat unambitious) attempt, I'd like to start with something simple like RAM and CPU usage (I'm new to C). I understand that if I make external command calls I need to fork() and execve() (or some equiv that will let me return the results), what I would like to know is how I go about getting the information I want in a nice clean format that I can use. Surely I will not have to call (for e.g); free -h And then use awk or similar to chop out the piece I want? There must be a cleaner way? The question should be seen as more of a generic, what is best practice for getting info about the system in C (the RAM/CPU usage are just an initial example).

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• How much code do you write everyday, *at work*?

  - by Aerovistae

  I'm graduating college, about to start a junior software engineering position, and I've been wondering how much I'm going to be expected to do on what kind of timeline. I mean, in python I can write maybe 500 lines in 8 hours. In C, maybe 200 lines in 8 hours. And that's a big maybe. (I'm f#$*ing terrible with C.) Other languages are somewhere in between. I don't even know if that's ridiculously slow or normal or even good, hence the question. How much code do you write a day? It would be helpful to specify what language/technology you're using, and to make note if there are big differences between them like with myself.

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• Intercepting the Unity logout

  - by qbi

  I want to copy some data from another machine to a local computer on a regular basis. At the moment I'm researching different solutions and try to find the one which fits best. Basically I want to open a network connection (or use an existing one), make a VPN connection and start a rsync process. This should be done on every logout of my desktop session or on shutdown. One possible solution might be to somehow intercept the Unity shutdown and execute a script. So is there a possibility to execute a script on GNOME/Unity shutdown? I'm aware that you can do it on system shutdown. How can I do this?

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• Subversion BI experience - not a very good one, but working now

  - by Kevin Shyr

  Suffice to say there is now a document in place and I'm the drill sergeant, harassing people to do proper check in, and throw out those who don't.Some people suggest that in a SSIS project, it doesn't really matter if developers don't have the latest version of the project since package check in put the package in the repository, which we can pull out later.  I beg to differ because:When people don't see the package, they might start creating one because their user story require the use of the table.  So they will proceed to create a package and override whatever might already be in the repository.I didn't really see anywhere in the repository to say that which packages were for "deletion".  So I ended up restoring them all, and send the list out to developers.  Then we get into the area where we are relying on people's memory.I'd love to hear other people's experience using Subversion to manage a BI project.

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• My first Windows Phone 7 application is live &ndash; from zero to submitted in 5 hours

  - by Eric Nelson

  Tuesday evening I found myself minus family. I decided to use the time to “have a crack at this Silverlight Phone 7 stuff”. From zero (no experience, no tools installed, no membership on the AppHub) to submitted for approval took me from 8pm to 1am – with the last hour messing around with png files in Paint to complete the submission process! Two days later on Thursday it was approved and is now in the marketplace for you to install - or not :-) The application is very simple but it works and looks “finished” – and importantly I learnt a lot about what is involved and the power of our tooling to make this pretty easy to get going. Go on, give it a go by popping over to the App Hub. You do need to pay $99 to join the App Hub to publish but you can start by downloading the free tools and just work with the included emulator. Related Links https://create.msdn.com/ App Hub http://msdn.microsoft.com/library/ff402535.aspx MSDN Documentation for Phone 7 Development

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• Low CPU/Memory/Memory-bandwith Pathfinding (maybe like in Warcraft 1)

  - by Valmond

  Dijkstra and A* are all nice and popular but what kind of algorithm was used in Warcraft 1 for pathfinding? I remember that the enemy could get trapped in bowl-like caverns which means there were (most probably) no full-path calculations from "start to end". If I recall correctly, the algorithm could be something like this: A) Move towards enemy until success or hitting a wall B) If blocked by a wall, follow the wall until you can move towards the enemy without being blocked and then do A) But I'd like to know, if someone knows :-) [edit] As explained to Byte56, I'm searching for a low cpu/mem/mem-bandwidth algo and wanted to know if Warcraft had some special secrets to deliver (never seen that kind of pathfinding elsewhere), I hope that that is more concordant with the stackexchange rules.

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