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  • IKEA Lamps Hacked into Flexible Speaker Mounts

    - by Jason Fitzpatrick
    This simple hack combines the swing arms of two IKEA work lamps with a set of computer speakers for flexible and easily adjustable sound. IKEAHackers reader Bill Dwyer wanted an easy way to get the speakers off his desk but still be able to easily adjust them. By hacking apart two IKEA work lamps (he removed the light assembly and snipped the wires off) he was able to attach his computer speakers to the arms and, in the process, get them off the desk. The arms make it super simple to adjust the speakers exactly where he wants them, including towards other parts of his office/apartment. Hit up the link below to check out more pictures and read Bill’s instructions. Very Flexible Computer Speaker Mounts [IKEAHackers] Use Your Android Phone to Comparison Shop: 4 Scanner Apps Reviewed How to Run Android Apps on Your Desktop the Easy Way HTG Explains: Do You Really Need to Defrag Your PC?

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  • Conways Game of Life C#

    - by Darren Young
    Hi, Not sure if this is the correct place for this question or SO - mods please move if necessary. I am going to have a go at creating GoL over the weekend as a little test project : http://en.wikipedia.org/wiki/Conway's_Game_of_Life I understand the algorithm, however I just wanted to check regarding the implementation, from maybe somebody that has tried it. Essentially, my first (basic) implementation, will be a static grid at a set speed. If I understand correctly, these are the steps I will need: Initial seed Create 2d array with initial set up Foreach iteration, create temporary array, calculating each cells new state based on the Game of Life algorithm Assign temp array to proper array. Redraw grid from proper array. My concerns are over speed. When I am populating the grid from the array, would it simply be a case of looping through the array, assigning on or off to each grid cell and then redraw the grid? Am I on the correct path?

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  • Coding standards in programming?

    - by vicky
    I am an WordPress Plugin Developer. I am not sure how to follow the coding standard while creating a plugin of wordpress. I check with some of the plugins like woocommerce and All in one SEO Plugin in that they are maintaining the proper coding standard. Basically I am Using the NetBeans IDE. Is it possible to make the proper space and coding standards in that IDE. I am Wondering to View his code is very neat and clean. How can i do this or how they are maintaining this. Anyone suggest me to make the wordpress plugin with well coding standards. Thanks, vicky

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  • EL 3.0 Public Review - JSR 341 and Java EE 7 Moving Along

    - by arungupta
    Following closely on the lines of EL 3.0 Early Draft, the specification is now available for a Public Review. The JCP2 Process Document defines different stages of the specifications. This review period closes Jul 30, 2012. Some of the main goals of the JSR are to separate ELContext into parsing and evaluation contexts, adding operators like equality, string concatenation, etc, and integration with CDI. The section A.7 of the specification highlights the difference between Early Draft and Public Review. Download the Public Review and and follow the updates at el-spec.java.net. For more information about EL 3.0 (JSR 341), check out the JSR project on java.net. The archives of EG discussion are available at jsr341-experts and you can subscribe to the users@el-spec and other aliases on the Mailing Lists page.

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  • How to Search File Contents in Windows Server 2008 R2

    - by ybbest
    By default, windows search only search by File name. To configure windows search to search by contents you need configure the following: You need to make sure Windows Search Services feature is activated.(Check this article for details) Then, configure Windows Search by Open file explorer: Press Alt button –> go to tools –> Folder options –> search tab –> Here select, “Always search file names and content(this might take several minutes)” Press okay. Now your searches will work for file content like the good old days of XP. Another way to search the contents in file without Search configuration is to Type “contents:” in the Windows Explorer search box followed by the word, searches text files. This is a search filter which seems to be undocumented?

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  • Nagios suddenly stops working

    - by pankaj sharma
    I have configure passive checks on one my host system for this i am using nsca. it was running fine. suddenly host is showing down on the monitoring. but host was fine and running when i check the logs on the host showing [1347941895] Warning: Attempting to execute the command "/submit_check_result host.example.com 'Current Load' OK 'OK - load average: 0.69, 0.53, 0.42'" resulted in a return code of 127. Make sure the script or binary you are trying to execute actually exists... i restarted nagios services many times but still it is showing the same error. can anyone help me regarding this. thanks in advance..

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  • Weekend Project: Make Your Own Ferromagnetic Fluid

    - by Jason Fitzpatrick
    Experiments this simple and fun give you no reason to leave all science-based goofing off to the professionals: whip up a beaker of ferromagnetic fluid to capture magnetic waves in motion. The premise is simple: by combing a viscous liquid (in this case vegetable oil) with a magnetic powder (in this case MICR copy toner) and introducing a strong magnetic source (such as neodymium rare earth magnets), you can actually see the magnetic waves in physical space. It’s like the old magnetic filings on the table top trick, but in 3D. Check out the video above to see how you can mix up a batch of your own. How to Make Magnetic Fluid [YouTube] What Is the Purpose of the “Do Not Cover This Hole” Hole on Hard Drives? How To Log Into The Desktop, Add a Start Menu, and Disable Hot Corners in Windows 8 HTG Explains: Why You Shouldn’t Use a Task Killer On Android

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  • Retrieving data using stored procedures with LINQ to SQL in an ASP.Net application

    - by nikolaosk
    In this post I would like to present a step by step example on how to use stored procedures with LINQ to SQL. Many people will wonder why I am bothering talking about LINQ to SQL so much. First of all I give a lot of seminars where people want to learn LINQ to SQL.A lot of people like and use LINQ to SQL in their projects. There are a lot of people right now who use it extensively. In this post I will use two stored procedures that return data from the database. If you want to check out how to use...(read more)

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  • ubuntu broke my windows boot

    - by Then Enok
    I was installing ubuntu on pendrive and once finished I needed to run windows a bit, even though I chose erase and install ON THE PENDRIVE it altered my hdd boot sector When I remove the ubu cd and pendrive it should only boot from hdd (windows) but it gives Error: no such device : blablabla(numerbes and letters) Grub rescue _ If I place the pendrive inside it asks me whether to start windows or linux (windows works here) I need to run windows without the pendrive, how can I remove grub from the hdd and also run ubuntu from the pendrive(once I remove grub from the hdd) || THX ArK, your information help me do wonders! :) || Now... it seems that without grub i can not boot the ubuntu from the pendrive anymore, blank screen and nothing loads(i did check the ubuntu with the grub from the hdd, and everything inside it worked perfectly (except the clock, it didnt find my local hour...) ) New problem: it seems that grub which is now on the pendrive is always asking me whether to boot from windows or ubuntu F*ck of course i want to boot ubuntu otherwise i would stick the pen inside the computer

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  • org.openide.awt.ColorComboBox

    - by Geertjan
    It's the time of year when a lot of NetBeans Platform tutorials are being reviewed, revised, and rewritten. Today I'm looking at the NetBeans Platform Paint Application Tutorial. Suddenly I remembered seeing something in a recent API Changes document about a new class, ColorComboBox. That means I can make the tutorial a lot simpler, since Tim Boudreau's external ColorChooser.jar is now superfluous. Here's what the ColorComboBox looks like: It works perfectly. Of course, the nice thing about using that JAR was that it showed the user how to incorporate external JARs, but I'll make sure to make a note of that in the tutorial, along the lines of "If you don't like the NetBeans Platform color combobox, and would like to replace it with your own, such as Tim's ColorChooser.jar or a JavaFX color chooser, take the following steps." In short, if you're using NetBeans APIs, write this on your ceiling above your bed: http://bits.netbeans.org/dev/javadoc/apichanges.html, check that page regularly (mark it in your calendar to do first thing every Monday morning) and you'll be aware of the latest changes as they happen.

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  • Telesharp: An application metadata repository that enables true agility in enterprise .NET applications.

    - by Vishal
    Tellago Studios proudly announces its newest product, a third one within a year of time : TELESHARP .NET Configuration Management has always been a nightmare for any enterprise. TeleSharp is an innovative product that addresses the most common challenges of .NET applications in the enterprise. After years of struggle developing and managing large .NET applications, we decided to create a tool that makes .NET applications truly agile. You can read more about Telesharp and what difference it can make into your enterprise. Also if you want to see Telesharp in action, check the videos about it. Click here to get more information about TeleSharp trial version! Click here to register for the TeleSharp webinar on July 6th from 2PM - 3PM EST.   -Vishal

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  • Date Compare Validator Control ASP.NET

    - by Sahanr
    Compare two input dates to avoid invalid dates. In this example I have created two textboxes and namded as "TextBoxSeminarDate" and "TextBoxBookingDeadline". Booking deadline date must be before date to the Seminar date. Therefore I used Operator as "LesThanEqual". I have validated "TextBoxBookingDeadline" value comparing with the "TextBoxSeminarDate" value as follow.   <asp:CompareValidator ID="CompareValidatorBookingDeadline" runat="server" ControlToCompare="TextBoxSeminarDate" ControlToValidate="TextBoxBookingDeadline" Display="Dynamic" ErrorMessage="Please check the seminar date and select appropriate date for booking deadline" Operator="LessThanEqual" Type="Date"  ValueToCompare="<%= TextBoxSeminarDate.Text.ToShortString() %>">*</asp:CompareValidator> The important thing is "ValueToCompare" property of the compare validator. Here I have assined it to the value of the TextboxSeminarDate and then compered it with the booking deadline date.  

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  • High Speed Photographs Capture Pellet Gun Destruction

    - by Jason Fitzpatrick
    What do you get when you combine high speed flash photography, a carefully focused camera, and pellet gun? Gloriously detailed pictures of pellets tearing apart fruit, cans, ceramic gnomes, and more. Alan Sailer has a passion; in his garage studio he photographs all manner of objects–bottles, raspberries, candy, soda cans–at the moment a pellet shot from a pellet gun tears them apart. The results are beautiful and reminescent of early high-speed photos by photography pioneer Edgerton Born. Hit up the link below to check out the collection and read more about his process. Alan Sailer’s High Speed Photographs [via FlavorWire] Make Your Own Windows 8 Start Button with Zero Memory Usage Reader Request: How To Repair Blurry Photos HTG Explains: What Can You Find in an Email Header?

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  • VLC unable to open MRL

    - by faizal
    I am trying to play a VCD using : /usr/bin/vlc vcd:// But i get the error below : VLC media player 2.1.4 Rincewind (revision 2.1.4-0-g2a072be) [0x14ec1c8] main interface error: no suitable interface module [0x1486118] main libvlc error: interface "globalhotkeys,none" initialization failed [0x1486118] main libvlc: Running vlc with the default interface. Use 'cvlc' to use vlc without interface. [0x7f815c0009b8] main input error: open of `vcd://' failed [0x7f815c0009b8] main input error: Your input can't be opened [0x7f815c0009b8] main input error: VLC is unable to open the MRL 'vcd://'. Check the log for details. Any way to resolve this ?

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  • How to Install Incompatible Android Apps from Google Play

    - by Chris Hoffman
    Some Android apps on Google Play claim to be incompatible with various devices. There’s a good chance that these apps will run fine on many of these devices – you can bypass this check with root access. Some apps won’t actually work after you install them, but many will. This also solves problems with games that will install but refuse to play – for example, Gameloft games with the “this device is incompatible” message. 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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  • Virtual Host under MacOSX not working

    - by David Casillas
    I have setup a virtualhost for MacOSX Apache instalation. This are my steps: edit /private/etc/apache2/httpd.conf removing comment from: Include /private/etc/apache2/extra/httpd-vhosts.conf edit /private/etc/apache2/extra/httpd-vhosts.conf, added: <VirtualHost *:80> ServerName test.local DocumentRoot "/Users/myusername/Sites/Test/public" <Directory "/Users/myusername/Sites/Test/public"> Options Indexes FollowSymLinks Includes AllowOverride All Order allow,deny Allow from all </Directory> </VirtualHost> edit /private/etc/hosts added 127.0.0.7 test.local Restart Apache But the VirtualHost does not work. To further isolate the problem I check the same configuration with MAMP and the virtual host worked rigth, so the configuration files should be fine. What can be wrong?

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  • grub-probe: error: cannot find a GRUB drive for /dev/sda1

    - by Thilina
    I'm trying to add windows 7 for my new 12.10 grub bootloader. None of the things worked out; such as .. copying bootx64.efi methods, I'm getting this output: grub-probe --target=fs_uuid /boot/efi/EFI/Microsoft/Boot/bootmgfw.efi grub-probe: error: cannot find a GRUB drive for /dev/sda1. Check your device.map. ....... my device map ....... (hd0) /dev/disk/by-id/ata-WDC_WD6400BPVT-55HXZT3_WD-WXD1EA1MSVR4 ....... 40_custom ..... menuentry "Microsoft Windows x86_64 UEFI-GPT" { insmod part_gpt insmod fat insmod search_fs_uuid insmod chain search --fs-uuid --no-floppy --set=root 80BD-E086 chainloader (${root})/efi/Microsoft/Boot/bootmgfw.efi } When booting to windows 7 give me blank black screen with a cursor blinks for 2 seconds then reboot, I've tried boot-repair too. I think I'm missing Windows UEFI Bootloader files.

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  • Visual Studio 2010 Service Pack 1 Beta Released!

    - by Jim Duffy
    Just thought I’d pass on the word that the Visual Studio 2010 Service Pack 1 Beta is now available to download. VS2010 SP1 Beta ships with a go live license which means you can start using it for production work though I’m not sure I’m going to be that brave until I check it out a bit first. Jason Zanders has a blog post outlining the new features/fixes included in the beta. Here are a couple BREAKING news items you’ll want to TakeNote of… VS2010 SP1 Beta BREAKS ASP.NET MVC 3 RC Razor IntelliSense. A new ASP.NET MVC 3 RC2 installer will be released very soon that will allow you to upgrade in-place. VS2010 SP1 Beta BREAKS the Visual Studio Async CTP. A work around is being worked on but for now if you’re working with the Async CTP then stick with VS2010 RTM. Have a day.

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  • Copy diagram with swimlanes in Enterprise Architect

    - by blomqvist
    This is a post mostly to myself, so that when I forget this I can come here and check it out :) (I forget about ctrl-b from time to time) When copying diagrams from Enterprise Architect you can use ctrl-B to include the swim-lanes. A normal ctrl-c will not give you the swim-lanes. A side effect is that ctrl—b gives you a copy of the whole diagram, you cannot select what objects to copy. So marking objects first or pressing ctrl-A to selects all is both unnecessary and meaningless since ctrl-b seems to mean: “copy the whole diagram now and include all the stuff in there, even the swimlanes” (which ctrl-A, ctrl-C does not).

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  • What Keeps You from Changing Your Public IP Address and Wreaking Havoc on the Internet?

    - by Jason Fitzpatrick
    What exactly is preventing you (or anyone else) from changing their IP address and causing all sorts of headaches for ISPs and other Internet users? Today’s Question & Answer session comes to us courtesy of SuperUser—a subdivision of Stack Exchange, a community-driven grouping of Q&A web sites. The Question SuperUser reader Whitemage is curious about what’s preventing him from wantonly changing his IP address and causing trouble: An interesting question was asked of me and I did not know what to answer. So I’ll ask here. Let’s say I subscribed to an ISP and I’m using cable internet access. The ISP gives me a public IP address of 60.61.62.63. What keeps me from changing this IP address to, let’s say, 60.61.62.75, and messing with another consumer’s internet access? For the sake of this argument, let’s say that this other IP address is also owned by the same ISP. Also, let’s assume that it’s possible for me to go into the cable modem settings and manually change the IP address. Under a business contract where you are allocated static addresses, you are also assigned a default gateway, a network address and a broadcast address. So that’s 3 addresses the ISP “loses” to you. That seems very wasteful for dynamically assigned IP addresses, which the majority of customers are. Could they simply be using static arps? ACLs? Other simple mechanisms? Two things to investigate here, why can’t we just go around changing our addresses, and is the assignment process as wasteful as it seems? The Answer SuperUser contributor Moses offers some insight: Cable modems aren’t like your home router (ie. they don’t have a web interface with simple point-and-click buttons that any kid can “hack” into). Cable modems are “looked up” and located by their MAC address by the ISP, and are typically accessed by technicians using proprietary software that only they have access to, that only runs on their servers, and therefore can’t really be stolen. Cable modems also authenticate and cross-check settings with the ISPs servers. The server has to tell the modem whether it’s settings (and location on the cable network) are valid, and simply sets it to what the ISP has it set it for (bandwidth, DHCP allocations, etc). For instance, when you tell your ISP “I would like a static IP, please.”, they allocate one to the modem through their servers, and the modem allows you to use that IP. Same with bandwidth changes, for instance. To do what you are suggesting, you would likely have to break into the servers at the ISP and change what it has set up for your modem. Could they simply be using static arps? ACLs? Other simple mechanisms? Every ISP is different, both in practice and how close they are with the larger network that is providing service to them. Depending on those factors, they could be using a combination of ACL and static ARP. It also depends on the technology in the cable network itself. The ISP I worked for used some form of ACL, but that knowledge was a little beyond my paygrade. I only got to work with the technician’s interface and do routine maintenance and service changes. What keeps me from changing this IP address to, let’s say, 60.61.62.75 and mess with another consumer’s internet access? Given the above, what keeps you from changing your IP to one that your ISP hasn’t specifically given to you is a server that is instructing your modem what it can and can’t do. Even if you somehow broke into the modem, if 60.61.62.75 is already allocated to another customer, then the server will simply tell your modem that it can’t have it. David Schwartz offers some additional insight with a link to a white paper for the really curious: Most modern ISPs (last 13 years or so) will not accept traffic from a customer connection with a source IP address they would not route to that customer were it the destination IP address. This is called “reverse path forwarding”. See BCP 38. Have something to add to the explanation? Sound off in the the comments. Want to read more answers from other tech-savvy Stack Exchange users? Check out the full discussion thread here.     

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  • Can't get my Blue Snowflake Mic to work

    - by TheNerdAL
    It was working fine when I bought it. I think it was an update or something that made it stop. I don't think the Mic is broken, at least I hope not. Can anyone help? Please? I need it before tommorrow. I'm working on a video. I get this when I check the terminal for what USB devices are connected: Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 003 Device 004: ID 2525:8912 Bus 003 Device 003: ID 058f:9360 Alcor Micro Corp. 8-in-1 Media Card Reader Bus 003 Device 002: ID 056a:00d2 Wacom Co., Ltd Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Thanks.

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  • test cases for common algorithms [on hold]

    - by Alexey
    I need samples of test inputs and correct outputs for common algorithms for sorting, searching, data structures, graphs, etc. to check for mistakes in my future implementations. Can you advice resources with test cases? Or a website with community that implements algorithms and shares with results? Thanks! Edit: to clarify: I am going to implement forementioned algorithms for studying purposes and need inputs including large ones and correct outputs to better find mistakes in my implementations, since test cases that I can come up with on my own with might not be enough to reveal mistakes.

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  • Together at Last

    - by [email protected]
    OpenWorld, JavaOne, and Oracle Develop Get ready to converge on the ultimate IT convergence. Join us September 19-23 in San Francisco to attend Oracle OpenWorld, JavaOne, and Oracle Develop. With our new and complete technology stack apps-to-disk approach, there's something here for everyone. For all the nitty-gritty details, check out this recent article from Oracle Magazine. Better yet, reserve your place now on our registration page. We'll turn your visit to the city of the Golden Gate into a golden opportunity for your enterprise.

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  • Drupal accounts with dead addresses: how to de-activate?

    - by Philippe
    Hi, on my drupal website, there are a lot of users with an invalid email address. I know because, either they have never logged in or their mails bounce. But I have to check manually, which is not good. When a user signs up with an email address, they receive a confirmation email. Is there a way to automatically disable an account if the user does not log in within the first day after receiving this confirmation mail? Alternatively, it would be OK to keep the accounts disabled until the user clicks a link on the confirmation mail. Are there plugins or settings in Drupal to do this?

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  • Always disable the 8.3 name creation on Windows before installing WebCenter Content or WebLogic Server

    - by Kevin Smith
    You should always disable the 8.3 name creation feature when installing WebCenter Content on a Windows platform. The installs will normally work without it disabled, but you will find the weird 8.3 file and directory names in all the config files. Disabling it can also improve performance. On Windows XP and Windows Server 2003 and above you can do it with this command: fsutil.exe behavior set disable8dot3 1 To make sure it is disabled you can run this command to check: fsutil.exe behavior query disable8dot3 If the 8.3 file name creation is disabled you will see the following output from the command: The registry state of NtfsDisable8dot3NameCreation is 1 (Disable 8dot3 name creation on all volumes). Here is a Microsoft note on how to do this on Windows 2000 and Windows NT. How to Disable the 8.3 Name Creation on NTFS Partitions

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