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  • Which programming language suits a system that must work without user input

    - by Ruud
    I'm building a prototype of a device that will function much alike a digital photoframe. It will display images retrieved from the internet. The device must start up and run the photoframe. It will have no user interface. The device has a minimal ubuntu installation, but I could install Xorg or whatever needed. Question: I have trouble figuring out which programming language will be suitable. I've just started using Python to try out several things and I am able to download and display images. I guess that means Python can do what I'd like, but is it suitable as a language that will be run on boot without any user interference? Related questions: - How do I set up Linux to start that script automatically? - How to setup a second Python script as a server that runs in the background to retrieve images before they are displayed (Because I think I'll need threading of some sort?)

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  • Solaris 11 JDK installation

    - by user20121221
    JAVA -JDK install on Solaris 11 pkg list -s jdk-7 pkg install jdk-7 ls /usr/jdk/instances jdk1.5.0 jdk1.6.0 mv jdk1.7.0_07 /usr/jdk/instances/jdk1.7.0 ls -l total 9 drwxr-xr-x 5 root bin 5 Sep 4 16:08 instances lrwxrwxrwx 1 root root 18 Jul 14 11:11 jdk1.6.0_26 -> instances/jdk1.6.0 lrwxrwxrwx 1 root root 8 Sep 4 16:09 latest -> jdk1.6.0 drwxr-xr-x 4 root bin 4 Jul 14 11:04 packages rm latest ln -s instances/jdk1.7.0 jdk1.7.0_07 ln -s jdk1.7.0_07 latest cd /usr/ ls -ld java lrwxrwxrwx 1 root root 12 Sep 4 16:12 java -> jdk/jdk1.6.0 rm java ln -s jdk/latest java java -version java version "1.7.0_07"Java(TM) SE Runtime Environment (build 1.7.0_07-b10)Java HotSpot(TM) Server VM (build 23.3-b01, mixed mode) stop firefox cd /usr/lib/firefox/plugins rm libnpjp2.so ln -s /usr/jdk/jdk1.7.0_07/jre/lib/i386/libnpjp2.so libnpjp2.so start firefox

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  • Are "Compile to JavaScript" Frameworks Hostile to Continuous Integration?

    - by joshin4colours
    Lately we've been looking at ways to improve automated testing and related tooling of our enterprise-level GWT web app. I've realized that in some ways, GWT is a bit hostile to automated testing, mainly because of the nature of the long GWT compile times from Java to JS. This makes unit testing somewhat challenging, but it also puts some roadblocks up for testing in a CI environment. I've also found out that some of our build and deployment processes are somewhat complicated due to the nature of GWT's compile process. Is this a general problem for "compile to JS" frameworks for webapps? I don't have much experience with them, but I can see some potential problems for automated testing and continuous integration and deployment. Some issues I see: Long build and compile times preventing quick deployments Language the app is developed in != JS, preventing good unit testing Obfuscated JS in the actual app makes it more like a executable than a web app Are these issues present in other similar frameworks, or is this more a GWT issue?

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  • How to run a file with sudo without a password?

    - by John
    I've made a script that preforms various system tasks, that I run regularly, but I have to use sudo to run the script, despite the fact that I own it because it runs root privileged commands. How can I add make sudo let me run this one file without having to enter my password every time I run it? I know that there are questions regarding running commands without a password, but I wasn't able to find one on running a file without a password. I am aware of the security risks, but I'm at home on a computer that I trust.

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  • Is Silverlight only for eye-candy, or does it have a use in business?

    - by Cyberherbalist
    Granted that Silverlight may make eye-popping websites of great beauty, is there any justification for using it to make practical web applications that have serious business purposes? I'd like to use it (to learn it) for a new assignment I have, which is to build a web-based application that keeps track of the data interfaces used in our organization, but I'm not sure how to justify it, even to myself. Any thoughts on this? If I can't justify it then I will have to build the app using the same old tired straight ASP.NET approach I've used (it seems) a hundred times already.

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  • Jersey 1.8 - Another GlassFish 3.1.1 component is ready

    - by alexismp
    We now have a new release of the JAX-RS 1.1 reference implementation - Jersey 1.8 is just out! Thisbug-fix release follows the EclipseLink 2.3 release from last week (as part of the Eclipse Indigo train release) and other components such as Woodstox 4.1.1 and Weld 1.1.1 which have already been released and integrated. To get started with Jersey 1.8, begin here and don't forget to visit the Jersey Wiki pages. You can also grab a nightly build of GlassFish 3.1.1 or wait for the next promoted build (#10) due out in a few days. As it currently stands for GlassFish 3.1.1, we have integration of the final bits for Metro 2.1.1 (currently at 2.1.1b7), Mojarra 2.1.3 (currently at 2.1.3b1), and MQ 4.5.1 (currently at 4.5.1b3) still ahead of us.

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  • How do I *temporarily* change the *console* keymap to dvorak?

    - by John Baber
    I type dvorak, but I don't like to confuse other users by having it be a system-wide default. I have a script that runs setxbmap dvorak that I can call when I want dvorak and likewise another script that runs setxbmap us when I want qwerty. For X, that's fine. How do I get this behavior in the real console (Ctrl-Alt-F3)? i.e. how can I change the console keymap to dvorak without setting a system-wide default. Having to sudo to do it is fine, but it can't be the default keymap for any console user. Resources like this and this seem to be explaining how to permanently alter the system but I need to change it on the fly temporarily. In BSD this was possible by using wsconsctl.

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  • To mount NAS on a Laptop?

    - by deckoff
    So, I bought a NAS, which I configured successfully in /etc/fstab, on mu Kubuntu 10.10 Thinkpad x40. It works just fine when I am at home. A few days I went out with my laptop and the problem is, that when not at home, both suspend and hibernate functions seem forever to work. I commented out the entry on fstab and the laptop started to work as expected. I played with autofs, but it seems just dies at one moment and I cannot access anything. It works for some time, and then just goes off. Is there any consistent way, to make my laptop access the drive when at home and work OK when away? Probably a script that runs at startup, checks if the mount is there and mounts it if available... or a script that umount the drive at suspend|hibernate and loads it back at startup. Any useful ideas?

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  • Alps touchpad detected as mouse dell inspiron n5110

    - by Shota Bakuradze
    Now I know that this has been asked several times here but I couldn't find any decent solution to it. So I am running the latest Ubuntu on my dell n5110 and my touchpad is detected as a mouse, So I don't have the touchpad options avaliable. can't use multitouch and can't disable it either. I have tried the dkms driver: http://people.canonical.com/~sforshee/alps-touchpad/psmouse-alps-0.10/ but when installing it with dpkg I get the following error: ERROR (dkms apport): unable to determine source package for psmouse-alps-dkms Error! Bad return status for module build on kernel: 3.2.0-25-generic-pae (i686) Consult /var/lib/dkms/psmouse-alps/0.10/build/make.log for more information. I have installed all the updates as well. Can someone help me out with this issue?

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  • Commands to run when Connecting HDMI

    - by yurividal
    Everytime I connect my pc to my tv using my HDMI cable (to watch my movies), I have to manually go to: 1- Monitors, to select "mirror" screen to HDMI 2- Sound, to select the HDMI as default sound output 3- Screen Off an Lock, to avoid screen locking while watching a video. Is there a way I can automate this? Or at least write a script with commands that will do this. (I could manually run a script every time I connect my HDMI, and then run annother one to undo the changes later) How can I do these actions from a Command Line?

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  • Turn Your Browser Pane into a Game of Katamari Damacy

    - by Jason Fitzpatrick
    If you’re a fan of Katamari Damacy, a quirky and fun Japanese puzzle game made popular on the PlayStation, you’ll love this Javas script hack that turns your browser pane and its contents into a giant HTML-collecting game of Katamari Damacy. Katamari Damacy, for the unfamiliar, is a addictive game based on the premise that a galactic prince is on a mission to rebuild stars, constellations, and moons accidentally destroyed by his father. You roll around and collect objects (making yourself an increasingly larger ball in the process). This script hack puts a ball on your web browser pane (works best in Chrome) that you can roll around collecting elements from the web page. At first you can only grab links but as you grow you can grab increasingly large objects like photo elements off the page. It doesn’t have the sophisticated graphics of the Playstation version, of course, nor the detailed back story, but it’s a clever little hack that is sure to delight fans of Katamari Damacy. Katamari Hack [KatHack] Internet Explorer 9 Released: Here’s What You Need To KnowHTG Explains: How Does Email Work?How To Make a Youtube Video Into an Animated GIF

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  • Building a Map based WebApp fast?

    - by NLemay
    I want to build a WebApp which is basically a map with points of interest, filters, and a list of those points. Something really similar to AirBnB, or any other map based app. Of course, I could just take Google Maps API and build what's around. But I guess a lot of people already did that, and may be I could use their work to make mine faster. Here's what I need : Adding multiples POI A list of POI that are showed on the map A way to filter POI Most have a behavior to handle a lot of POI Can works on mobile and tablet I already know one template that can do nearly all of this, it is call Bootleaf. But I would like to know if you know others that might work better.

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  • SuperSocket

    - by csharp-source.net
    SuperSocket is a light weight extensible socket application framework. You can use it to build a command based server side socket application (like FTP server, SMTP/POP3/IMAP4 server, SIP server, etc) easily without thinking about how to use socket, how to maintain the socket connections and how socket works(synchronize/asynchronize). It is a pure C# project which is designed to be extended, so it is easy to be integrated to your existing system. As long as your systems (like forum/CRM/MIS/HRM/ERP) are developed in .NET language, you must be able to use SuperSocket to build your socket application as a part of your current system perfectly.

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  • building bittorrent client from scratch

    - by Bill
    I'm new to programming. I find reading introductory programming books boring. I think these doesn't teach enough of the problem solving skills that I need. So I decided to build a bitTorrent client. I think I understand to some point how the protocol works. I have also downloaded the source code of deluge bittorrent client. I have access to python documentation too. I need to know if there are some resources available that can help me build a bitTorrent client that are more detailed than the wikipedia article here: http://en.wikipedia.org/wiki/BitTorrent

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  • Special keyboard keys?

    - by Hailwood
    I have a new laptop, It has the icon for toggling the touchpad on fn+f1 so I would like to assign this shortcut, I have a working script, and I can assign the script to any other combination, but it appears that ubuntu does not pick up the fn+f1 combination? how can I correct this? The other one is, My laptop has three extra buttons, Assist, Web, and Vaio. These map to Help, Homepage, and nothing respectively. the Web button is working perfectly. The assist button if I am setting up a keyboard shortcut for something it binds fine, but then pressing it does nothing? The Vaio button seems to not be listened to much like the combination I posted above. How can i correct the assist and Vaio buttons?

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  • Ubuntu Server 12.04 start fails after update

    - by Abbgrade
    I did an system update on ubuntu server 12.04, which requestet an reboot. Since that, the system never reaches the login. It hangs on: mount: mounting /dev on /root/dev failed: No such file or directory done. mount: mounting /sys on /root/sys failed: No such file or directory mount: mounting /proc on /root/proc failed: No such file or directory Target filesystem doesn't have requested /sbin/init. No init found. Try passing init= bootarg. BusyBox v1.18.5 (Ubuntu 1:1.18.5-1ubuntu4) build-in shell (ash) Enter 'help' for a list of build-in commands. (initramfs) i tried already to repair it using a live system: + Mounting the filesystems (/boot ext, / btrfs) + fsck ran without problems. + /etc/fstab seems to be OK. + apt update/upgrade on chroot succeed. now, i have no more ideas :/

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  • How should I land my next consulting gig? [closed]

    - by MrOodles
    For the last couple of years, I've been working on speculative projects, expanding my skillset with side work, and paying the bills while having a blast consulting for startups. However, for a number of personal reasons, I need to spend the next 6-9 months maximizing my cash income. I want to put this into effect starting in early August. So that means I have one month to put the necessary client list/portfolio/resume together to start making this happen. As a programmer, I am very proficient in building Django web apps. I can write the necessary SQL, python, javascript, and css to build every part of a Django app, and then do the system administration necessary to deploy on AWS using EC2. I can also rig up a CDN to work seemlessly with the app using S3 and Cloudfront. I have built GIS applications using GeoDjango and PostGIS, and I have constructed social video apps by implementing Encoding.com as a service to prepare raw video files for consumption on the web. I am also moderately proficient in programming PHP, Java, and C#. I have built web apps in PHP, and desktop apps in Java and C#. I have dabbled with Android applications and iPhone apps, but nothing I would show off. I have experience doing SEO, social media marketing, and content marketing. Many of my clients have needed their apps promoted after they were built, and I was always happy to oblige when I could. I have also worked with biometrics technology including fingerprints for government contractors. This was as much a business analyst role as it was a programming gig, as I had to help answer RFPs, make checklists, and work around reems and reems of regulations to build applications that met very large bureaucratic requirements. I only have two real requirements for my next gig(s): 1) Work remotely. I live in North East Ohio, and I don't plan on leaving, but I wouldn't mind traveling one or two weeks out of every month to service clients who need on-site help. 2) $60.00hr-$∞ USD contracting rate. So what should I do for the next 30 days to achieve this? Should I target some large company and learn the requisite buzzwords to impress them? Should I learn some new language or technology? Polish some skill that I already have? Should I build something using my current skillset, or with some new technology? Should I put a website for my consultancy together to market myself? Should I do that using latest technology x, y, and z? Or should I just slap something up on Tumblr? I'm willing to do anything (moral) over the next 4 weeks to put myself into a position to maximize my income, and I'm open to all and every idea Programmers users may have. Let me hear them.

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  • SharePoint 2010 is great! Now what do I do?

    - by PeterTweed
    So you have the power of SharePoint 2010 as a platform. What are you going to do now? How about build upon the power of the SharePoint product and implement solutions to business problems that are intuitive, easy to use, integrated, have a rich user experience and delivered over the web? Sounds good doesn’t it! Come to the April East Bay .NET User Group meeting and watch to me show you how easy it is to build Silverlight applications on top of SharePoint 2010 that can be quickly developed, delivered and will wow your stakeholders. See you there!

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  • Trying to create a sphere in UDK on which I can stand

    - by Dave
    Trying to build a globe in UDK, but when I do (create a sphere), my player falls straight through it. How do I make a sphere that I can walk on? Every other shape (cube, cone...etc) work just fine. -- Edit: Specifically, I want to build a CSG/Brush sphere, not a mesh sphere. It appears to work just fine if I set the "sphere exptrapolation" to 1 or 2, but if I bump it up to 3 or higher, I fall right through. I literally created 2 spheres next to each other, one set at "2" and one at "3" - I can walk from the top of the "2" sphere and jump onto the "3" sphere, but I fall right through it.

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  • Ensuring ethernet is configured before continuing init scripts.

    - by Pete Ashdown
    Is there a better way to ensure that an ethernet port is configured before continuing through startup init scripts? When 802.3ad bonded ethernet is configured on Ubuntu, it takes some time before it finishes protocol negotiation and starts passing packets, because the networking script just configures, but does not verify that traffic is being passed. As a result, this can throw off some of the other network dependent scripts, like the init for drbd. Right now, I just have a loop that pings the gateway in a startup script, but this seems less than optimal: GATEWAYIP=10.0.0.1 while ( ! ping -c 1 $GATEWAYIP ); do echo gateway not up done

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