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• Vintage Fan Home Movie Captures the Filming of Return of the Jedi

  - by Jason Fitzpatrick

  Back in 1982, Jeff Broz and a group of his friends heard the next Star Wars film was being shot out in the California desert so they did what any fan would do; they trekked out into the desert and crashed the set. In this 7 minute home video we’re treated to views of the set, actors at work, and other behind-the-scenes footage of the production of Return of the Jedi. It’s hard to imagine, given modern security practices and secrecy surrounding movies, that a bunch of kids could just walk onto a set and start filming these days. [via Neatorama] HTG Explains: What Is Windows RT and What Does It Mean To Me? HTG Explains: How Windows 8′s Secure Boot Feature Works & What It Means for Linux Hack Your Kindle for Easy Font Customization

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• how to access shared external drive connected by usb to Airport Extreme Router

  - by Nathaniel

  I have an external hard drive connected to my Airport Extreme. I keep my photo and music files on it and can access them from both a Mac PowerPC and a Windows XP machine. For some reason I can find, much less connect to, it on my Ubuntu 10.10 machine. I can see my router in the "network" folder but can't seem to find and connect to the shared drive. Any help would greatly appreciated. I am somewhat of a novice with Ubuntu and networking. Thnaks, Nathaniel

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• Why did ctrl-f stop working in LibreOffice?

  - by amandabee

  I've basically settled into Unity, but one constant that is kind of giving me agita is that in LibreOffice Calc (and Writer) ctrl-f does nothing. I can go to edit > find ... and the edit menu even suggests ctrl-f as a keyboard shortcut, but actually typing it doesn't do anything. ctrl-alt-f works fine. The only thing that doesn't work is ctrl-f. I had a really hard time getting settled with Unity (mostly trying to get my old Gnome-do and Compiz settings back) so I spent a lot of time monkeying with the Compiz Settings Manager. But I can't figure out where I would have unset/ overrode this. Plus, it isn't like ctrl-f does something unexpected. It just does nothing.

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• The Most Useful Bookmarklets to Enhance Your Browsing Experience

  - by Lori Kaufman

  Bookmarklets are JavaScript links you can place on your browser’s toolbar that add one-click functionality to the browser or webpage. They are free and help make repetitive tasks in your browser quicker and easier to perform. Use bookmarklets to add functionality to your browser, such as modifying the appearance of a webpage, extracting data from a webpage, and search for highlighted text in a search engine or online encyclopedia. We’ve collected some links to useful bookmarklets here to enhance your browsing experience. 7 Ways To Free Up Hard Disk Space On Windows HTG Explains: How System Restore Works in Windows HTG Explains: How Antivirus Software Works

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• How to cut audio file with avconv?

  - by x-yuri

  I have a hard time trying to figure out how to cut a file with avconv. Here's the command I use: avconv -ss 52:13:49 -t 01:13:52 -i RR119Accessibility.wav RR119Accessibility-2.wav But it doesn't work. I get the whole file as a result. Well, almost the whole file. Somehow the resulting file has duration 1:16:31 instead of 1:17:23. Also I believe I executed this command in every possible way: with -ss and -t after -i, with -t specifying ending point, with mp3 files, with specifying audio codec, with ffmpeg. Am I doing it wrong?

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• Default file manager changed, can't change back

  - by user16171

  (Using ubuntu 11.04) I tried to open a torrent file in chrome, and it asked for my default application, so I clicked Transmission, and then I got an error: "Failed to execute default file manager, Failed to execute child process "transmission" (No such file or directory)." Now if I click on any shortcut on the unity bar, such as the trash folder or the icon for my portable hard drive, I get this error, as well as with any download or folder from chrome or firefox. I can't seem to figure out how to fix this, as there seems to be no easy way to do it.

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• Clonezilla failing as soon as image copying begins

  - by mmr

  I have been trying unsuccessfully to create an image of an Ubuntu 10.04 laptop system. As soon as the copying itself starts, the entire system crashes to a black screen. I suspect that the problem is overheating, and that's why I put an ice pack under the machine. That seems to have helped a bit, but it's still not getting through the copying process. Is there any other possible explanation for dying to a black screen like this? I'm just not relishing the task of removing the hard drive, mounting it elsewhere, and then doing a backup that way.

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• How to explain OOP to a matlab programmer?

  - by Oak

  I have a lot of friends who come from electrical / physical / mechanical engineering background, and are curious about what is "OOP" all about. They all know Matlab quite well, so they do have basic programming background; but they have a very hard time grasping a complex type system which can benefit from the concepts OOP introduces. Can anyone propose a way I can try to explain it to them? I'm just not familiar with Matlab myself, so I'm having troubles finding parallels. I think using simple examples like shapes or animals is a bit too abstract for those engineers. So far I've tried using a Matrix interface vs array-based / sparse / whatever implementations, but that didn't work so well, probably because different matrix types are already well-supported in Matlab.

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• Wifi not working for Ubuntu 14.04

  - by user286975

  I have installed the Ubuntu 14.04 on Dell Vostro 2520 laptop. Wifi is not working after installation. Tried several methods to install but nothing happens. Vostro-2520:~$ sudo rfkill list all 0: hci0: Bluetooth Soft blocked: no Hard blocked: no Vostro-2520:~$ iwconfig usb0 no wireless extensions. eth0 no wireless extensions. lo no wireless extensions. The hardware is Broadcom 802.11 bcm43142. Please help to solve this issue.

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• Incremental file system backups

  - by brunopereira81

  I use Virtual Box a lot for distro / applications testing purposes. One of the features I simply love about it is virtual machines snapshots, its saves a state of a virtual machine and is able to restore it to its former glory if something you did went wrong without any problems and without consuming your all hard disk space. On my live systems I know how to create a 1:1 image of the file system but all the solutions I'v known will create a new image of the complete file system. Are there any programs / file systems that are capable of taking a snapshot of a current file system, save it on another location but instead of making a complete new image it creates incremental backups? To easy describe what I want, it should be as dd images of a file system, but instead of only a full backup it would also create incremental. I am not looking for clonezilla, etc. It should run within the system itself with no (or almost none) intervention from the user, but contain all the data of the file systems.

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• Serverside memory efficiency and threading for a turn based game

  - by SkeletorFromEterenia

  Im programming on a turn based war-game for some years now (along with the engine) and Im having quite a hard time at figuring out what the games server architecture should look like, since most game server architecture articles I found focus either on FPS oder MMOGs, which doesn't really fit since I want many matches with 1- 16 players on my server, with each match being played in turn based mode. My chief concern is memory usage, since the most basic approach of loading every game that is being played completely into RAM should be quite inefficient, so is there a suitable strategy for selecting only the needed bits and loading them? Another question I got is how to design the threading on the server, since I think using only a single thread could be a problem due to the fact that the game or part of it might have to be loaded from the database. I would be very happy if you could share your knowledge or point me to material on this topic.

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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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• Open source framework quality [closed]

  - by Jonas Byström

  It's not hard to find snippets, components or tools/toolkits in the open source world which holds the quality bar really high. Myself I use git, python, linux, gcc, bash and a whole range of others on a daily basis, and I love them. But when it comes to bigger frameworks, which are intended for facilitating larger tasks of an application without much interference, I'm not as enthusiastic. I've tried a few commercial frameworks (game engines), which were okay, but all big open source frameworks which I've used myself, or which I have seen used in applications were decidedly worse than the commercial equivalent. But I'm not sure if my experience was typical. Where have bigger open source frameworks for facilitating larger tasks of an application been able to equal or exceed commercial frameworks, and how were they better?

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• How to start competitive programming?

  - by Vaibhav Agarwal

  I am practicing coding for a while but the problem is that it takes me a lot of time to write a solution for the problems. I want to ask if competitive programming can help me in improving this? If yes, then how should I start and from what site like TopCoder? I would obviously won't be able to solve very hard problems for now. What should I do? If no, what else should I do? I also have another problem that I want to learn coding but the thing is that I feel that I am not very good at it. What should I do? It's like bugging me from inside. I know some people may not find this question informative but please at least allow me to get an answer.

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• Stunning DIY Aluminum and Walnut Case Mode Is a Work of Art

  - by Jason Fitzpatrick

  Many of the case mods we come across are intricate and packed with custom lighting and other geeky flourished. This case made take an opposite approach, combining aluminum and walnut to create a sleek and stunning living-room friendly HTPC case. Over in the Bit-Tech case modding forums, user Gtek shares his stunning case mod. Inside the block of aluminum and walnut you see here is a mini-ATC board, power supply, dual hard drives, and an optical drive. A single photo can’t do it justice so we highly recommend hitting up the link below to check out his sketches, build photos, and, of course, the gorgeous photos of the completed case–including the hidden peripheral panel and slot-loading drive. Tenuis – A DIY HTPC Case [via Apartment Therapy] 8 Deadly Commands You Should Never Run on Linux 14 Special Google Searches That Show Instant Answers How To Create a Customized Windows 7 Installation Disc With Integrated Updates

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• Is there a variable width font that does not change width when adding effects like bold, italic?

  - by George Bailey

  NetBeans has a word wrap feature now - but if the font changes width when bold then it gets all jumpy and sometimes hard to work with. Edit: It turns out that even with Courier New that NetBeans word wrap still jumps up and down lines at a time at random. I guess that this question no longer cares for an answer. However,, it seems that there is no answer. (at least nobody has brought one up yet) I am currently using Comic Sans MS which gets wider when bold.

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• Gmail Rolls Out New Compose Features

  - by Jason Fitzpatrick

  Gmail has several new features that make it even easier to compose email messages including pop-over compositions windows (similar to the Google Chat window), contact profile pictures in the address box, and drag and drop address switching. If you’ve ever had to open two separate windows in order to continually tab back and forth so you could reference one email while composing another, you’ll certainly appreciate the new pop-over compose window that allows you to work within Gmail while keeping a small email composition window open in the corner–as seen in the screenshot above. In addition to that major change, Gmail has also introduced contact photos in the address suggestion window (making it easier than ever to make sure you’re selecting the right recipient) and the ability to drag and drop addresses between the To:, CC:, and BCC: address slots. Introducing the New Compose in Gmail [The Official Gmail Blog] 6 Start Menu Replacements for Windows 8 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

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• Python or HTML5/JS for game development on 2014 [on hold]

  - by AlexKvazos

  So I've decided to give game development a go. I have experience on php/html/css/sql/js(jquery) so learning a new language shouldn't be as hard. I was reading that python and javascript are both nice for simple 2d non-intensive games. I found that python has this library/engine called PyGame but I realized that it was last updated 4 years ago. People still use this? And for javascript, I found libraries like 'pixi.js', 'melon.js' and 'cocos2d'. My goal is to make 2D games that would require the same performance as terraria, realm of the mad god, castle crashers.. and all those types of games. Taking into consideration, that I do want an updated library, what language of this two would be best to choose and what library to grab for it? Thanks in advance, sorry if question is broad. Let me know and I can edit to add more.

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• Lenovo B570 doesn't boot after installation

  - by Alan

  I install my Ubuntu 11.10 64 Bits in my Notebook Lenovo B570. (I remove Win 7). I have no problems to install. But at finish, when it start, it wont boot. It search for another boot device (Network, CD/DVD). Maybe it issue is about SCSI Hard Drive. I try in BIOS set compatible mode SCSI/ATA. It try locate another boot (Networks, CD/DVD). I try to enable compatible mode in BIOS SCSI - SATA and reinstall again. "Will ubuntu be the only os on your computer or is there a 2nd os?" A:Yes. I remove Windows 7 and use All disc to Ubuntu.

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• Install unetbootin on Ubuntu 12.04

  - by Matteo

  I'm trying to install UNetbootin on Ubuntu 12.04 LTS. I downloaded the executable file from this link and followed the instructions below: If using Linux, make the file executable (using either the command chmod +x ./unetbootin-linux, or going to Properties-Permissions and checking "Execute"), then start the application, you will be prompted for your password to grant the application administrative rights, then the main dialog will appear, where you select a distribution and install target (USB Drive or Hard Disk), then reboot when prompted.\ So I typed on my terminal sudo chmod +x unetbootin-linux-584 and tried to execute the binary file with ./unetbootin-linux-584 but got this output: ./unetbootin-linux-584: error while loading shared libraries: libXrandr.so.2: cannot open shared object file: No such file or directory However when I checked for libraries libXrandr on my system I actually found them $> locate libXrandr /usr/lib/x86_64-linux-gnu/libXrandr.so.2 /usr/lib/x86_64-linux-gnu/libXrandr.so.2.2.0 /usr/lib/x86_64-linux-gnu/libXrandr_ltsq.so.2 /usr/lib/x86_64-linux-gnu/libXrandr_ltsq.so.2.2.0 so I really don't have a clue of what's the problem and how can I fix it, any ideas?

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• Connectify Dispatch: Link All Your Network Connections into a Super Pipeline

  - by Jason Fitzpatrick

  Connectify Dispatch is a network management tool that takes all the connections around you–Ethernet, Wi-Fi nodes, even 3G/4G cellular connections–and combines them into one giant data pipeline. At its most simple, Connectify Dispatch takes all the network inputs available to your computer (be those connections hard-line Ethernet, Wi-Fi nodes, or cellular connections) and merges the separate data connections seamlessly into one master connection. If any of the connections should falter (like your 3G reception goes out), Connectify automatically shifts the data to other available networks without any interruption. In addition you can specify which network Connectify should favor with connection prioritization; perfect for using your cellular connection without breaking through your data cap for the month right away. Hit up the link below to read more about Connectify Dispatch and the companion app Connectify Hotspot. Connectify Dispatch Secure Yourself by Using Two-Step Verification on These 16 Web Services How to Fix a Stuck Pixel on an LCD Monitor How to Factory Reset Your Android Phone or Tablet When It Won’t Boot

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• Dual Boot Ubuntu 12.04 on a Thinkpad T420 but keep recovery partition

  - by The PC Samurai

  I have a Thinkpad T420 which runs on Windows 7 Pro and I would like to install Ubuntu 12.04 on it via Dual Boot. But the thing is, I'd like to keep the Thinkvantage Recovery Partition. I've been researching and found this: Install Ubuntu on ThinkPad, recovery section must remain intact and http://www.thinkwiki.org/wiki/Rescue_and_Recovery But the information doesn't seem to be updated for for my situation (the second link indicates that it won't work with Windows 7). Just wonderin' if anyone already has experience doing this? I could create recovery CD/DVD's but I'll be more happy i can keep recovery partition and boot information on the hard drive functional (for future resale purposes). Any Ideas?

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• Learning to optimize with Assembly

  - by niktehpui

  I am a second year student of Computer Games Technology. I recently finished my first prototype of my "kind" of own pathfinder (that doesn't use A* instead a geometrical approach/pattern recognition, the pathfinder just needs the knowledge about the terrain that is in his view to make decisions, because I wanted an AI that could actually explore, if the terrain is already known, then it will walk the shortest way easily, because the pathfinder has a memory of nodes). Anyway my question is more general: How do I start optimizing algorithms/loops/for_each/etc. using Assembly, although general tips are welcome. I am specifically looking for good books, because it is really hard to find good books on this topic. There are some small articles out there like this one, but still isn't enough knowledge to optimize an algorithm/game... I hope there is a modern good book out there, that I just couldn't find...

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• Hadoop and Object Reuse, Why?

  - by Andrew White

  In Hadoop, objects passed to reducers are reused. This is extremely surprising and hard to track down if you're not expecting it. Furthermore, the original tracker for this "feature" doesn't offer any evidence that this change actually improved performance (unless I missed it). It would speed up the system substantially if we reused the keys and values [...] but I think it is worth doing. This seems completely counter to this very popular answer. Is there some credence to the Hadoop developer's claim? Is there something "special" about Hadoop that would invalidate the notion of object creation being cheap?

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• GWB | Captchas For Everyone

  - by Geekswithblogs Administrator

  We have been getting hit very hard with comment spam as of late. As mentioned in the last post, this is something we typically deal with on a regular basis for the past 6 years, but some weeks are like this week where it is just crazy. Because of the way things are right now, I have disabled the ability to toggle on or off the CAPTCHA controls for comments. I know some bloggers are going to get mad, but we need to see if the lack of CAPTCHA on some blogs is the key cause of SPAM or if they are manually entering the data and filling in the CAPTCHA. I will report back on what we are seeing, but for a few weeks we are just going to require CAPTCHA controls on comments.This has been a public service announcement for Geekswithblogs.net :D Related Tags:

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