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  • Electronic Door Lock Uses QR Codes As Keys

    - by Jason Fitzpatrick
    We’ve seen magnetic cards and RFID cards used as keys before, but QR codes? Check out the video to see how a group of Cornell University students developed a visual key card. Rather than use magnetic stripes or RFID proximity antennas, their build relies on decoding a passkey stored in a QR code–check out the above video to see it in action and hit up the link below for more information. QR Code Door Lock [via Hack A Day] How To Create a Customized Windows 7 Installation Disc With Integrated Updates How to Get Pro Features in Windows Home Versions with Third Party Tools HTG Explains: Is ReadyBoost Worth Using?

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  • Can't specify window's class in CCSM's Place Windows

    - by Anto
    Following this method, I wanted to "place" some of my windows on specific viewports. For instance, I want Xchat to always start on my top right viewport (x=2, y=1). But after I have set everything up and clicked the "Close" button to validate it (I don't have any other action button, like "OK" or "Apply"), the only thing that get saved up are the viewport X and Y coordinates. The window class (in my case class=Xchat) remains empty. This bug only occurs in the "Windows with fixed viewport" section; it works well in the "Windows with fixed placement mode", for instance. How can I solve or circumvent this issue ?

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  • Motion Sensing Fog Machine Increases Savings and Spook Factor

    - by Jason Fitzpatrick
    This DIY add-on switches a standard fog machine from always-on to motion-activated–increase your savings and spook factor at the same time. Courtesy of tinker Greg, this modification involves a new relay and motion sensor mounted onto the existing switch of a store-bought fog machine. When the motion-sensor detects motion the fog machine releases a burst of fog for 5 seconds and then disarms itself for 10 seconds–long enough for the startled victim to move on and for the machine to recharge for the next passerby. Check out the video above to see it in action and then hit up the link below to see the project’s build guide. Motion Sensing Fog Machine Trigger [via Hack A Day] How Hackers Can Disguise Malicious Programs With Fake File Extensions Can Dust Actually Damage My Computer? What To Do If You Get a Virus on Your Computer

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  • DIY Internet Radio Maintains Controls and Interface of Vintage Case

    - by Jason Fitzpatrick
    Updating an old radio for modern inputs/streaming audio isn’t a new trick but this DIY mod stands out by maintaining the original controls and interface style. Rather than replace the needle-style selector window with a modern text-readout or cover-flow style interface, modder Florian Amrhein opted to replace the old rectangular station selector with an LCD screen that emulates the same red-needle layout. Using the same knob that previously moved the needle on the analog interface, you can slide the digital selector back and forth to select Internet radio stations. Watch the video above to see it in action and hit up the link below for the build guide. 1930s Internet Radio [via Hack A Day] HTG Explains: Does Your Android Phone Need an Antivirus? How To Use USB Drives With the Nexus 7 and Other Android Devices Why Does 64-Bit Windows Need a Separate “Program Files (x86)” Folder?

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  • Problem installing ubuntu touch on galaxy nexus

    - by Francesco
    I've installed ubuntu touch on my galaxy nexus following the tutorial on the official site. However the latter is not so clear.. In particular, during the installation, user action on the phone is requested and not documented on the tutorial: 1) The phone asked me whether rebooting, wiping the cache or something else (i did nothing and the phone rebooted) 2) The phone asked me whether replacing or not cmw (or something similar). I asked no.. After the installation all seemed to work correctly. However after shutting down the phone can't power on anymore... When I push the power button the battery icon appears, showing that the battery is completely charged. What am I supposed to do?

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  • Conky to Monitor WLS Managed Servers

    - by John Graves
    I've been using a little utility on my linux-based machines for years called conky.  It can be used to monitor system resources, but I wanted to modify it to monitor my WebLogic managed servers too. Once installing conky, you'll need to update the .conkyrc file.  Here is a simple example. Basically, the important lines are these: - Admin (7001) ${if_empty ${exec /usr/sbin/lsof -i :7001 | grep LISTEN}}${color red}DOWN${color} ${else}${color green} UP ${color}(${tcp_portmon 7001 7001 count}) ${endif} - OSB (8011) ${if_empty ${exec /usr/sbin/lsof -i :8011 | grep LISTEN}}${color red}DOWN${color} ${else}${color green} UP ${color}(${tcp_portmon 8011 8011 count}) ${endif} - BAM (9001) ${if_empty ${exec /usr/sbin/lsof -i :9001 | grep LISTEN}}${color red}DOWN${color} ${else}${color green} UP ${color}(${tcp_portmon 9001 9001 count}) ${endif} - DB (1521) ${if_empty ${exec /usr/sbin/lsof -i :1521 | grep LISTEN}}${color red}DOWN${color} ${else}${color green} UP ${color}(${tcp_portmon 1521 1521 count}) ${endif} It uses lsof to find out if ports are in use. Here is a video showing it in action.

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  • Meet us at Devoxx!

    - by terrencebarr
    It’s Devoxx time again! If you’re at Devoxx, sure to check the schedule for a whole range of exciting Java and Oracle topics: JavaFX, OpenJDK, JDK 7, Java Embedded, Java EE, JCP, NetBeans, Greenfoot, as well as Java Duchess and JUG meetings. Talks, labs, BOFs, demos, and more. Embedded Java will also play a prominent role. Want to see Java on Raspberry Pi in action? Find out why what’s happening with Java in IoT (Internet of Things)? Play with NetBeans and Tinkerforge? Check out the full Devoxx schedule. Why do I think Java has the most exciting part of its future still ahead of it? Catch up with me at my talk on Wed 14:00:  ”Small, Smart, Connected: Java in the Internet of Things”. Cheers, – Terrence Filed under: Mobile & Embedded Tagged: embedded, Embedded Java, Java, Java Embedded, JavaFX, NetBeans, OpenJDK

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  • Java Script Support In ADF

    - by Vijay Mohan
    1. if you want the java script code in jspx.   - <af:resource> tag available under adf faces ui component has the best supportability for java script. If you want to invoke the js function on some adf ui component then you will have to include a client listener tag with js function name and the event type.If you want it to happen on a non adf html based compoent then you can have an anchor tag  specified with the javascript tag , event type and js function name (with parameters - if any) and as soon as the specifed action happens on that component then the js function would be invoked.2.if you want it in adf page fragment (jsff)  - jsff supports java script wrapped under <trh:script> </trh:script> tag. Rest of the things follow the same way as that of jspx.

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  • Google Webmaster Tools, DNS Errors & HostPapa

    - by Gravy
    Received a message from Google Webmaster Tools: Over the last 24 hours, Googlebot encountered 2 errors while attempting to retrieve DNS information for your site. The overall error rate for DNS queries for your site is 40.0%. You can see more details about these errors in Webmaster Tools. Recommended action Contacted HostPapa and they deny that there is any issue with the site / server!!! Support in terms of what I can do to actually resolve this issue is non-existent!!!! The site is currently online. And I don't know much about DNS... so any advice about what I can do to resolve this problem would be much appreciated. Basically, the message from Google says that it is my webhosts fault, the message from my webhost (HostPapa) is... "Just tell google to crawl your site as there are no errors."

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  • Improve your Application Performance with .NET Framework 4.0

    Nice Article on CodeGuru. This processors we use today are quite different from those of just a few years ago, as most processors today provide multiple cores and/or multiple threads. With multiple cores and/or threads we need to change how we tackle problems in code. Yes we can still continue to write code to perform an action in a top down fashion to complete a task. This apprach will continue to work; however, you are not taking advantage of the extra processing power available. The best way to take advantage of the extra cores prior to .NET Framework 4.0 was to create threads and/or utilize the ThreadPool. For many developers utilizing Threads or the ThreadPool can be a little daunting. The .NET 4.0 Framework drastically simplified the process of utilizing the extra processing power through the Task Parallel Library (TPL). This article talks following topics “Data Parallelism”, “Parallel LINQ (PLINQ)” and “Task Parallelism”. span.fullpost {display:none;}

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  • Why is ssh-add adding duplicate identity keys?

    - by skyblue
    I have created a private/public SSH key pair using "ssh-keygen". I use this to authenticate to remote servers. However, I find that when I log in, "ssh-add -l" already lists my identity key even though I have not added it! If I use the command "ssh-add" it prompts me for my passphrase and loads my identity key. If I then list my keys with "ssh-add -l", it now shows two identity keys! These are obviously the same as both have the same fingerprint, but their descriptions are different (the automatically is "user@host (RSA)" and the one added using ssh-add is "/home/user/.ssh/id_rsa (RSA)"). So why does my identity key appear to be loaded without any action on my part, and why does ssh-add add the same key again? Obviously something must be doing this automatically, but what is it, and how can I stop it?

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  • Download Flickr Official Windows Phone 7 App

    - by Gopinath
    Microsoft’s Windows Phone 7 OS is picking up in the recent days with the release of useful applications. Yahoo released an official Flickr application for Windows Phone 7 that is optimized to play nice with unique Windows Phone 7 user interface. Here is the demo of the application in action Features of Flickr App for Windows Phone 7 Browse your Flickr photos in stunning high resolution display and touch navigation controls Share photos with friends and family via email, Twitter, Facebook and more Upload your latest images on the go with the in-app uploader Seamlessly transition from your Windows Phone 7 to Windows 7 tablet and back again, without ever losing your place Download Flickr App For Windows Phone 7 This article titled,Download Flickr Official Windows Phone 7 App, was originally published at Tech Dreams. Grab our rss feed or fan us on Facebook to get updates from us.

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  • Modify actions when battery is critically low?

    - by Bjarke Freund-Hansen
    I am running ubuntu (not xubuntu!) and am using xfce4 on my laptop. When my laptop battery is critically low, ubuntu/xfce4 performs some action (perhaps hibernate?) which causes my laptop to shut down. However when I start it again, it never comes up. I don't even get BIOS or anything on the screen, it is completely black. The only way to get it back up is to take it apart, remove the internal cmos battery as well as the main battery, wait a few minutes, and put it back together. Obeviously this is not optimal. How do I disable all actions when the battery is critically low? I would rather have it run out of power, than ending up in this error condition. Thanks in advance. :)

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  • Suspend after delay via SSH

    - by thornate
    I know how to suspend after a delay by using: echo 'pmi action suspend' | at now + 1 minutes However, that only seems to work as long as I keep the console window open. Am I correct in assuming that the at commands are cleared when I close the console? This is an issue as I want to be able to log in to my computer via SSH, send the suspend command, then log out before it happens. Suspending immediately tends to freeze my local console window, which is inconvenient. Is there a way to send a delayed suspend command without it being cleared when I log out?

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  • Cocos2d-x 3.0 animation frame by frame

    - by Narek
    As I know animations are actions. Now I need to play animation frame by frame. Say I have an animation from N frames. each frame should be played after t delay. Now I want to play animation frame by frame, each frame advance the animation's state. How I can do this? And what about playing actions frame by frame advancing the state in general. I ask because I use ECS, and I deal with frames. P.S. I want to do something like this: Action * a = MoveTo(initialPoint, finalPoint, durationOfAnimation); a->play(0.001 seconds); a->play(0.003 seconds); a->play(0.02 seconds); a->play(0.67 seconds); a->play(0.06 seconds); And see the animation.

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  • Problems detecting android tablet IView 788TPC with mtp-tools

    - by Elder Geek
    I installed mtp-tools on 14.04 "Trusty" through Software Center. No problems with install. Issuing `mtp-detect' results in 'Unable to open ~/.mtpz-data for reading, MTPZ disabled.libmtp version: 1.1.6 Listing raw device(s) No raw devices found.' I did some research and found that mtpfs might be required. so installed that with :~$ sudo apt-get install mtpfs I still get the following result :~$ mtp-detect Unable to open ~/.mtpz-data for reading, MTPZ disabled.libmtp version: 1.1.6 Listing raw device(s) No raw devices found. My research indicates that the mtp-tools package is still under development. source: http://libmtp.sourceforge.net/ and the documentation is not comprehensive. source man mtp-tools as well as mtp-detect -h I tried adding the PPA from Are there any plans to improve mtp support on future Ubuntu releases? but it seems this is already worked into trusty 14.04 and won't resolve the problem. Can anyone provide a recommended course of action to resolve this problem?

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  • List of custom Launchers & Quicklists for Unity

    - by Nik
    Creating a custom launcher for Unity is simple. Quicklists provide an easy and efficient way to quickly access commonly used tasks for a specific application. NOTE: Starting with Ubuntu 11.10, this popup option has vanished. Launchers can now only be created by editing text files in your home folder. Creating a custom launcher is easy. Right-click on your desktop and click create a launcher. Edit the .desktop file using a text editor. (More information can be found here and here.) So, which custom launchers do you use on Unity? Note: Please limit yourself to one custom launcher per answer. Also, please provide a screenshot of it in action.

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  • Mouse and Keyboard Freeze

    - by kev
    I installed Ubuntu 10.10 today and have had mouse problem since. Symptoms: At some arbitrary point in time (frequency: 2-3 times per hour), the mouse and keyboard stops working for ever(may be). I start System monitor, I found out network was shutdown just before mouse freeze. Some time my keyboard keep typing one key. For example:77777777777777777777777777777777777777777777777777777.....(it keep typing for 20 sec) I found out a script just solve the freeze problem:(I hit Powerbutton) -----------------/etc/acpi/powerbtn.sh------------------------ event=button[ /]power action=/usr/sbin/fix_mouse.sh -----------------/usr/sbin/fix_mouse.sh------------------------ rmmod psmouse modprobe psmouse Yesterday I install Ubuntu 10.04 FAILED also have mouse problem. When I switch back to Windows XP. The network card is down. It kept connecting and disconnecting 1 time per sec. CPU: i5 Motherboard: ASUS P7P55D OS: Windows XP + Ubuntu 10.10 Video Card: ATI 5770 Mouse,Keyboard: PS/2

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  • Les smartphones visés par 33 % de malwares en plus en 2010, Android affecté par 400 % d'exploits supplémentaires

    Les smartphones visés par 33% de malwares en plus en 2010, Android affecté par 400% d'exploits supplémentaires Depuis des années, les menaces informatiques ne s'en prenaient qu'aux ordinateurs. Elles élargissent désormais leur champ d'action, avec des téléphones toujours plus perfectionnés. Une étude récente a ainsi démontré que les malwares s'en prenant spécifiquement aux smartphones ont augmenté de 33% en 2010. Il faut dire aussi que les utilisateurs sont moins méfiants quant aux données qui transitent par leur mobile. Et peu d'entre eux savent même que les virus mobiles existent. L'explosion de la demande et de l'utilisation des applications mobiles a aussi contribué à ce phénomène. La mauvaise nou...

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  • Oracle Social Network in the Cloud - the videos

    - by me
    On June 6th  Larry Ellison announced the  Industry’s Broadest Cloud Strategy (Webcast – watch the replay) As part of the Oracle Cloud announcement Larry unveiled the Oracle Cloud Social Services, the most broad and complete enterprise social platform available in the cloud today. So you are wondering how these services look like?  Here are a few videos which shows Oracle Social Network in action. Enjoy ! PS:  Larry recently joint the Twitterverse and did his ever first tweet on June 6th. In a few days he got 25,000 followers and a Klout score of 61. I wish he would follow me Connect with Oracle Social Network   Oracle Social Network: Getting Started Oracle Social Network: Conversation Basics  Oracle Social Network: Notifications and Preferences  Oracle Social Network: Basics of Chats

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  • Stored procedure Naming conventions?

    - by Chris
    One of our senior developers has stated that we should be using a naming convention for stored procedures with an "objectVerb" style of naming such as ("MemberGetById") instead of a "verbObject" type of naming ("GetMemberByID"). The reasoning for this standard is that all related stored procedures would be grouped together by object rather than by the action. While I see the logic for this way of naming things, this is the first time that I have seen stored procedures named this way. My opinion of the naming convention is that the name can not be read naturally and takes some time to determine what the words are saying and what the procedure might do. What are your takes on this? Which way is the more common way of naming a stored proc, and does a what types of stored proc naming conventions have you used or go by?

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  • Oracle Solaris 11.1 Blog Post Roundup

    - by Larry Wake
    Here are a few recent posts about the also-recent Oracle Solaris 11.1 release: Title Author What's New in Solaris 11.1? Karoly Vegh New ZFS Encryption features in Solaris 11.1 Darren Moffat Solaris 11.1: Encrypted Immutable Zones on (ZFS) Shared Storage Darren Moffat High Resolution Timeouts Steve Sistare Solaris 11.1: Changes to included FOSS packages Alan Coopersmith Documentation Changes in Solaris 11.1 Alan Coopersmith How to Update to Oracle Solaris 11.1 Usingthe Image Packaging System Peter Dennis svcbundle for easier SMF manifest creation Glynn Foster Controlling server configurations with IPS Bart Smallders You can also see Markus Weber's list of interesting posts about Oracle Solaris 11 from last year, or take a look at my shortcut on how to search for Solaris posts by tag. If that's not enough, don't forget to register for next Wednesday's Oracle Solaris 11.1 and Oracle Solaris Cluster 4.1 webcast with a live Q&A. It's November 7th, at 8 AM PT. The last time we did this, we got almost 300 questions, so for Wednesday, we're making sure we've got lots of engineers with fingers poised over their keyboards, ready for action.

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  • Apache Server SSL Problems

    - by Kid XD
    Hi There is this weird problem going on with putting ssl on the server I keep on getting this error in the terminal after I already created the .key and .crt files but it keeps on saying I placed the files in the conf.d directory and I already configured the thing so there is something that I did wrong there I also used openssl to create a .key and the .crt files thanks for the help if anyone can service apache2 reload Syntax error on line 1 of /etc/apache2/conf.d/www.domainname.crt Invalid command '-----BEGIN', perhaps misspelled or defined by a module not included in the server configuration Action 'conftest' failed. The Apache error log may have more information. ...fail!

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  • Anti-cheat Javascript for browser/HTML5 game

    - by Billy Ninja
    I'm planning on venturing on making a single player action rpg in js/html5, and I'd like to prevent cheating. I don't need 100% protection, since it's not going to be a multiplayer game, but I want some level of protection. So what strategies you suggest beyond minify and obfuscation? I wouldn't bother to make some server side simple checking, but I don't want to go the Diablo 3 path keeping all my game state changes on the server side. Since it's going to be a rpg of sorts I came up with the idea of making a stats inspector that checks abrupt changes in their values, but I'm not sure how it consistent and trusty it can be. What about variables and functions escopes? Working on smaller escopes whenever possible is safer, but it's worth the effort? Is there anyway for the javascript to self inspect it's text, like in a checksum? There are browser specific solutions? I wouldn't bother to restrain it for Chrome only in the early builds.

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  • DeskLights Turns Desk Surface Into Giant Multi-Purpose Notifier

    - by Jason Fitzpatrick
    We’ve seen desks with LEDs under frosted glass before, but this is the first desk we’ve seen where the LEDs serve as a sophisticated notification system. Check out the video above to see desk, designed by Michael LaGrasta, in action. The secret sauce is an array of LED modules, linked to an Arduino board, which is in turn running a tiny web server. Hit up the link below for the full build guide. DeskLights 2.0 [via IKEAHackers] Hack Your Kindle for Easy Font Customization HTG Explains: What Is RSS and How Can I Benefit From Using It? HTG Explains: Why You Only Have to Wipe a Disk Once to Erase It

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