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  • How to reinstall OS X 10.8 without internet?

    - by Sam
    I had a crash on my Macbook Air MD231 - Mid 2012, and my system won't boot, and unfortunately my friend erase my partition from disk utility. Now I have three question 1)my internet speed is very low, for re-installing I have to download all of the OS X 10.8 from internet? or I can download it and install it via USB port?(how??) 2)I have to select this option ? "re-install OS X" , and what about size of that? (for example 4.2 Gb) 3)after installing , is there anyway to restore my dada? unfortunately I have not any backup right now, after I turning my Mac on, it's automatically going to repair mode... thnx for your kind

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  • My fingers are cold when using my computer - solutions?

    - by Kjensen
    This might seem silly, and if there is no good and practical solution... I will live. I am a programmer and sit at a computer 10 hours a day - and even though the rest of me is nice and warm (at least warm), my fingers are cold as ice. Are there some gadgets or tricks to keep your fingers warm while typing/mousing? Gloves do not seem like a good solution, since it hinders the movement of the fingers. I have sometimes put my extra laptop next to the mouse pad, so that it vents hot air on the mouse - and that works... But it is not very practical, plus it only works for one hand (and not very well). Tips?

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  • Windows app that can stream video over local net with remote browsing

    - by Nifle
    What I want: An app that runs on a windows 7 computer that can stream movies to the other computers in the house. I want to be able to brows the movies on my "server" from the other computers and start streaming. I'm aware that VLC can do some (all?) of this but it's looks to complicated for my 6year old to use. Ideally I'd like something "Air Video Server" but for mac/win computers with a native client for browsing the movies on the PC running as server.

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  • Windows 7 MCE client server HTPC

    - by Dan Hook
    My HTPC is downstairs connected to my large screen. I would like to use my desktop upstairs to record over the air HDTV and stream it to the HTPC. I have Windows 7 Professional installed on the desktop. I currently have XP on the HTPC, but I'm going to upgrade it to Windows 7. Is there a particular flavor of Win 7 I should use? Is it possible to record on the desktop and use Windows MCE on the HTPC to watch the recorded content? What about live TV? The consensus I've seen is that Windows 7 cannot be configured as a Windows Media Center Extender. Is that the case? If so, what's the cheapest solution for an extender?

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  • Cannot set audio input volume (internal microphone) on mac

    - by JohnIdol
    On a macbook air (MacOS X 10.6.5), when doing skype calls people are complaining they hear me very low - so I had a look to the system preferences under audio and noticed the input volume was 54%. I am now trying to set the input volume to 100%. To my surprise the volume is gradually set back as I speak. I tried deselecting 'use ambient noise reduction' but it doesn't help.' Is there any way to avoid this volume auto-setting feature? Any help appreciated!

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  • My fingers are cold when using my computer - solutions?

    - by Kjensen
    I am a programmer and sit at a computer ten hours a day - and even though the rest of me is nice and warm, my fingers are as cold as ice. Are there any gadgets or tricks to keep your fingers warm while typing/mousing? Gloves do not seem like a good solution, since it hinders the movement of the fingers. I have sometimes put my extra laptop next to the mouse pad so that it vents hot air on the mouse - and that works. However it is not very practical, plus it only works for one hand (and not very well).

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  • Bold font shortcut in WordPress editor in Mac OS X? (The equivalent to Ctrl+b in Windows)

    - by javipas
    I've recently acquired a MacBook Air and I'm getting used to Mac OS X shortcuts. One that I can't find, though, is the change to bold a piece of text previously selected in the WordPress editor. I do this with a simple Ctrl+b after selecting the text in Windows, but the expected Command+b in Mac OS X does not work (in WordPress at least. It seems it works in other editors online and offline). Is there a shortcut for it... and for italics?

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  • How can I can delete a project in Aperture, but not in Flickr?

    - by jchatard
    I have a Macbook Air as my only computer ; I store my shots on Flickr. The size of the SSD doesn't allow me to keep all my RAW files on my laptop. So I publish the photographs I like in their final state on Flickr with the built-in feature of Aperture. When I hit delete on a project (in Aperture) the message clearly indicates that all photos synched to any service like Facebook, Flickr or any other will be deleted. How can I can around this without the hacky way of unlinking Aperture from Flickr before deleting the project?

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  • Windows 7 + NVidia == 640x480 on external projectors

    - by ben2004uk
    Hello, I'm having a major problem and I really need your help! I have a MacBook Air which has the NVidia 9400M. The problem is, when I connect it to an external projector Windows 7 (and Vista) only allow me to connect at 640x480. I need it to use the laptop to present at conferences, as such I need it to work on a number of different projectors - at the moment I need to use OSX and VMWare but it's painfully slow and really doesn't work. At the moment, I'm considering buying a new laptop :( Is there any way to override the screen resolutions provided? I've saw some information around EDID? Thanks Ben

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  • On OS X, how do I print (a web-page) directly into my Google Docs account?

    - by Peter Mounce
    Is it possible to, from the OS X 10.6 print dialog, print the web-page directly into my Google Documents account? I can save as PDF and upload it, but, well, I want to cut out the middleman (ie, me; I make too many mistakes...). I tend to use Chrome to browse the web in case that's relevant. Are there Google Docs upload-helpers in general? I tried gdocuploaded (an Adobe AIR App) but it refused to so much as launch.

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  • Dust prevention for home servers [closed]

    - by Payson Welch
    I found some posts on here about dealing with dust relating to servers but nothing that specifically addressed my question. I have several servers at home for research and as you can probably guess they are not cheap. It is impossible for me to remove 100% of the dust from my home as much as I may try. Does anyone know of any practical solutions to filtering the air that will go into the servers? For instance maybe place some sort of material over the bezel to catch dust particles before they enter? I realize the ideal home solution would be to have a small room with environmental controls but I'm not there yet. Thanks!

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  • CSMA between APs in same channel & different SSID ?

    - by Ranganathan
    Would be great if someone clarifies this doubt. Lets assume two Wireless Access Points AP1 & AP2 with these conditions 1. both in the same 802.11 standard 2. same channel 3. using different SSIDs (just like in adjacent apartment houses). In this case, do these two Access points (and the clients associated to them) coordinate via CSMA/CA ? ie., if one of the AP's or a client station is about to transmit, does it wait & observe the other AP's & its clients' transmission before sending the frame in air ? Also, do the clients associated with these different APs coordinate via CSMA/CA ?

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  • Fedora 16 Running Hot

    - by sdasdadas
    Since switching from Windows 7 to Fedora 16, my laptop has been running incredibly hot (by the air exhaust). The laptop is an Asus K73S. Running 'sensors', I receive: acpitz-virtual-0: 75.0 celsius nouveau-pci-0100: 66.0 celsius asus-isa-0000: 75.0 celsius The only CPU hog is Firefox at 30 - 40% on average. My GPU information (from lspci) is: Intel Corporation Xeon E3-1200/2nd Generation Core Process or Family Integrated Graphics Controller (rev 09). Running lspci | grep -i VGA, returns: 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) 01:00.0 VGA compatible controller: nVidia Corporation GF106 [GeForce GT 555M SDDR3] (rev a1) I don't notice a huge difference running without the battery, but it does seem a little cooler. Thanks!

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  • Hosting-why should I pay? [on hold]

    - by user196919
    Can I avoid, eliminate or neutralize propagation? Hours of research for a first-time unregistered domain returned the usual suspects ("Oneandblank", "GoBlanky", "BlankCow", "HostBlank-or" and others)all with 24-72hr or more. Would a roll-your-own, inhouse SHO Linux/Winserver box help? Thank you so much! edit; navigating SF for my first time I now notice the "professionals" air and feel to the comments. Although I feel justified for being here(armed with directly relevant, well-rounded knowledge/proficiency/experience)I apologize for diving in headlong without proper post etiquette or correct placement. I envy each of you and hope to gain my own inviolable foothold in the coming years.

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  • From where can I get "Python Launcher" for Mac OS X Lion?

    - by Phil
    I use a macbook (air) with OS X Lion on it. I have Python 2.7 installed already but I can't seem to find a "Python Launcher.app" anywhere on the system. I tried installing with with pip but it couldn't find anything to fetch. I tried searching on Google to find a downloader but my search yielded no results (for downloading). Where can I get this app? I have a folder with 20+ subfolders of GUI examples which in turn contain anywhere from 3 to 5 subfolders. I don't want to go through each within the terminal, would much rather launch these .py scrips from the finder. Thank you for your help.

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  • How can I open a port in OS X 10.6?

    - by Ian
    Mine is MacBook Air, so I cannot plug to the modem directly. And I do want to turn my firewall off. How can I specify to open a port, like port 56789 in Mac OS 10.6.8? I know in old Mac OS, there is a option for me to specify a custom port. But I cannot find it in OS X 10.6.8. In System Preferences / Security / Firewall, I only can allow an APPLICATION to access a new port. However, now I'm programming, using a new port. So, it seems not suitable for me. So, can I simply open a port instead of using an Application to open a port?

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  • 1024x768 gone (1024x600 availble) on HDMI, yesterday it worked?

    - by Gam Erix
    When I try to play a game called F-22 Total Air War 2.0 I get an error which says that the resolution 1024.768 is unsupported by the harware.. so I look into my desktop options and it looks like there is an option for 800x600, 1024x600, 1152x648 and higher wide screen resolutions but the 1024x768 is gone? I did play the game yezterday, I disconnected the HDMI, got upstairs, played a few more games, came back downstairs, plugged in the HDMI, launched the game and bam I got the error! I have a ATI Radeon Mobility HD5470 and the newest ATI Catalyst Center downloaded 3 days ago. How can I 'enable' the 1024x768 resolution again? Without it I can't play the game on my Big TV and I will be stuck with my little laptop screen.

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  • Will an SSD help prevent laptop overheating?

    - by alex
    My laptop has a severe overheating problem, even though it's quite new (< 6 month). It's still regularly overheating to the point where it shuts down. This usually happens while playing games but sometimes while watching videos or using Skype video calls for a long time. I'm already keeping it mid-air on a cooling tray with 2 external coolers, but that doesn't seem to help. The only other thing I can think of is installing an SSD instead of the current HDD. I've read up that they generate less heat then hard drives, but can it actually make a serious difference to the heat level of the laptop? If there are any other suggestions, please feel free to comment. The laptop is a Toshiba Satellite L650D-11R.

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  • The How-To Geek Holiday Gift Guide (Geeky Stuff We Like)

    - by The Geek
    Welcome to the very first How-To Geek Holiday Gift Guide, where we’ve put together a list of our absolute favorites to help you weed through all of the junk out there to pick the perfect gift for anybody. Though really, it’s just a list of the geeky stuff we want. We’ve got a whole range of items on the list, from cheaper gifts that most anybody can afford, to the really expensive stuff that we’re pretty sure nobody is giving us. Stocking Stuffers Here’s a couple of ideas for items that won’t break the bank. LED Keychain Micro-Light   Magcraft 1/8-Inch Rare Earth Cube Magnets Best little LED keychain light around. If they don’t need the penknife of the above item this is the perfect gift. I give them out by the handfuls and nobody ever says anything but good things about them. I’ve got ones that are years old and still running on the same battery.  Price: $8   Geeks cannot resist magnets. Jason bought this pack for his fridge because he was sick of big clunky magnets… these things are amazing. One tiny magnet, smaller than an Altoid mint, can practically hold a clipboard right to the fridge. Amazing. I spend more time playing with them on the counter than I do actually hanging stuff.  Price: $10 Lots of Geeky Mugs   Astronomy Powerful Green Laser Pointer There’s loads of fun, geeky mugs you can find on Amazon or anywhere else—and they are great choices for the geek who loves their coffee. You can get the Caffeine mug pictured here, or go with an Atari one, Canon Lens, or the Aperture mug based on Portal. Your choice. Price: $7   No, it’s not a light saber, but it’s nearly bright enough to be one—you can illuminate low flying clouds at night or just blind some aliens on your day off. All that for an extremely low price. Loads of fun. Price: $15       Geeky TV Shows and Books Sometimes you just want to relax and enjoy a some TV or a good book. Here’s a few choices. The IT Crowd Fourth Season   Doctor Who, Complete Fifth Series Ridiculous, funny show about nerds in the IT department, loved by almost all the geeks here at HTG. Justin even makes this required watching for new hires in his office so they’ll get his jokes. You can pre-order the fourth season, or pick up seasons one, two, or three for even cheaper. Price: $13   It doesn’t get any more nerdy than Eric’s pick, the fifth all-new series of Doctor Who, where the Daleks are hatching a new master plan from the heart of war-torn London. There’s also alien vampires, humanoid reptiles, and a lot more. Price: $52 Battlestar Galactica Complete Series   MAKE: Electronics: Learning Through Discovery Watch the epic fight to save the human race by finding the fabled planet Earth while being hunted by the robotic Cylons. You can grab the entire series on DVD or Blu-ray, or get the seasons individually. This isn’t your average sci-fi TV show. Price: $150 for Blu-ray.   Want to learn the fundamentals of electronics in a fun, hands-on way? The Make:Electronics book helps you build the circuits and learn how it all works—as if you had any more time between all that registry hacking and loading software on your new PC. Price: $21       Geeky Gadgets for the Gadget-Loving Geek Here’s a few of the items on our gadget list, though lets be honest: geeks are going to love almost any gadget, especially shiny new ones. Klipsch Image S4i Premium Noise-Isolating Headset with 3-Button Apple Control   GP2X Caanoo MAME/Console Emulator If you’re a real music geek looking for some serious quality in the headset for your iPhone or iPod, this is the pair that Alex recommends. They aren’t terribly cheap, but you can get the less expensive S3 earphones instead if you prefer. Price: $50-100   Eric says: “As an owner of an older version, I can say the GP2X is one of my favorite gadgets ever. Touted a “Retro Emulation Juggernaut,” GP2X runs Linux and may be the only open source software console available. Sounds too good to be true, but isn’t.” Price: $150 Roku XDS Streaming Player 1080p   Western Digital WD TV Live Plus HD Media Player If you do a lot of streaming over Netflix, Hulu Plus, Amazon’s Video on Demand, Pandora, and others, the Roku box is a great choice to get your content on your TV without paying a lot of money.  It’s also got Wireless-N built in, and it supports full 1080P HD. Price: $99   If you’ve got a home media collection sitting on a hard drive or a network server, the Western Digital box is probably the cheapest way to get that content on your TV, and it even supports Netflix streaming too. It’ll play loads of formats in full HD quality. Price: $99 Fujitsu ScanSnap S300 Color Mobile Scanner   Doxie, the amazing scanner for documents Trevor said: “This wonderful little scanner has become absolutely essential to me. My desk used to just be a gigantic pile of papers that I didn’t need at the moment, but couldn’t throw away ‘just in case.’ Now, every few weeks, I’ll run that paper pile through this and then happily shred the originals!” Price: $300   If you don’t scan quite as often and are looking for a budget scanner you can throw into your bag, or toss into a drawer in your desk, the Doxie scanner is a great alternative that I’ve been using for a while. It’s half the price, and while it’s not as full-featured as the Fujitsu, it might be a better choice for the very casual user. Price: $150       (Expensive) Gadgets Almost Anybody Will Love If you’re not sure that one of the more geeky presents is gonna work, here’s some gadgets that just about anybody is going to love, especially if they don’t have one already. Of course, some of these are a bit on the expensive side—but it’s a wish list, right? Amazon Kindle       The Kindle weighs less than a paperback book, the screen is amazing and easy on the eyes, and get ready for the kicker: the battery lasts at least a month. We aren’t kidding, either—it really lasts that long. If you don’t feel like spending money for books, you can use it to read PDFs, and if you want to get really geeky, you can hack it for custom screensavers. Price: $139 iPod Touch or iPad       You can’t go wrong with either of these presents—the iPod Touch can do almost everything the iPhone can do, including games, apps, and music, and it has the same Retina display as the iPhone, HD video recording, and a front-facing camera so you can use FaceTime. Price: $229+, depending on model. The iPad is a great tablet for playing games, browsing the web, or just using on your coffee table for guests. It’s well worth buying one—but if you’re buying for yourself, keep in mind that the iPad 2 is probably coming out in 3 months. Price: $500+ MacBook Air  The MacBook Air comes in 11” or 13” versions, and it’s an amazing little machine. It’s lightweight, the battery lasts nearly forever, and it resumes from sleep almost instantly. Since it uses an SSD drive instead of a hard drive, you’re barely going to notice any speed problems for general use. So if you’ve got a lot of money to blow, this is a killer gift. Price: $999 and up. Stuck with No Idea for a Present? Gift Cards! Yeah, you’re not going to win any “thoughtful present” awards with these, but you might just give somebody what they really want—the new Angry Birds HD for their iPad, Cut the Rope, or anything else they want. ITunes Gift Card   Amazon.com Gift Card Somebody in your circle getting a new iPod, iPhone, or iPad? You can get them an iTunes gift card, which they can use to buy music, games or apps. Yep, this way you can gift them a copy of Angry Birds if they don’t already have it. Or even Cut the Rope.   No clue what to get somebody on your list? Amazon gift cards let them buy pretty much anything they want, from organic weirdberries to big screen TVs. Yeah, it’s not as thoughtful as getting them a nice present, but look at the bright side: maybe they’ll get you an Amazon gift card and it’ll balance out. That’s the highlights from our lists—got anything else to add? Share your geeky gift ideas in the comments. Latest Features How-To Geek ETC The How-To Geek Holiday Gift Guide (Geeky Stuff We Like) LCD? LED? Plasma? The How-To Geek Guide to HDTV Technology The How-To Geek Guide to Learning Photoshop, Part 8: Filters Improve Digital Photography by Calibrating Your Monitor Our Favorite Tech: What We’re Thankful For at How-To Geek The How-To Geek Guide to Learning Photoshop, Part 7: Design and Typography Happy Snow Bears Theme for Chrome and Iron [Holiday] Download Full Command and Conquer: Tiberian Sun Game for Free Scorched Cometary Planet Wallpaper Quick Fix: Add the RSS Button Back to the Firefox Awesome Bar Dropbox Desktop Client 1.0.0 RC for Windows, Linux, and Mac Released Hang in There Scrat! – Ice Age Wallpaper

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  • Who benefits from the use of Design Patterns?

    Who benefits from the use of design patterns is like asking who benefits from clean air or a good education. All of the stakeholders of a project benefit from the use of design patterns. Project Sponsor Project sponsors benefit from the use of design patterns because they promote reduced development time which translates in to shorter project timelines and greater return on investment compared to other projects that do not make use of design patterns. Project Manager Project managers benefit from the use of design patterns because they reduce the amount of time needed to design a system, and typically the sub components of the system already have a proven track record. System Architect/Engineer System architects/engineers benefit from the use of design patterns because reduce the amount of time needed to design the core a system. The additional time is used to alter the design pattern through the use of innovative design and common design principles to adhere to the project’s requirements. Programmer Programmers benefit from the use of design patterns because they can reuse existing code already established by the design pattern and only have to integrate the changes outlined by the system architects/engineers. Tester Testers benefit from the use of design patterns because they can alter the existing test established for the design pattern to take in to account the changes made by the system architects/engineers. User Users benefit from the use of design patterns because the software is typically delivered sooner than projects that do not incorporate the use of design patterns, and they are assumed that the system will work as designed because it was based on a system that was already proven to work properly.

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  • Catch up with ‘In Touch’ on-demand

    - by rituchhibber
    We had another fantastic live broadcast of the ‘In Touch’ PartnerCast last week which covered a range of topics, updates and answered your questions live on air. The cast started with host David Callaghan, Senior Vice President EMEA Alliances and Channels, updating us on the Rebate programme and focussed on the benefits this system offers. We were then introduced to Will O’Brien, VP Alliances & Channels, UK & Ireland, and Markus Reischl, Senior Director and Sales Leader EMEA Strategic Alliances who discussed the headlines from Oracle OpenWorld from their point of view. Monia Bosetti sent in a video report discussing LMS and how this affects SI’s, which sparked studio conversation betweeen the guests and got you talking at your desks too! David also had the chance to talk with Platinmun Partner Uptime Technology, who shared their best practice and exmaples of working with Oracle to achieve great results. The studio team ended the cast answering your questions live, which had some interesting results! Like the sound of this cast? You can watch on-demand here: Make sure you keep up to date with the ‘In Touch’ series by visiting the website here.

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  • Earth’s Radiation Belt Sounds like Whale Song [Video]

    - by Jason Fitzpatrick
    The radio frequencies of Earth’s radiation belt have uncanny resemblance to a sort of whale/bird song remix. Check out this video to learn more about NASA’s efforts to explore the belts and listen to the Earth’s song. When we hear the “song” of the Earth, exactly what are we hearing? Science@NASA explains: Chorus is an electromagnetic phenomenon caused by plasma waves in Earth’s radiation belts. For years, ham radio operators on Earth have been listening to them from afar. Now, NASA’s twin Radiation Belt Storm Probes are traveling through the region of space where chorus actually comes from–and the recordings are out of this world. “This is what the radiation belts would sound like to a human being if we had radio antennas for ears,” says Kletzing, whose team at the University of Iowa built the “EMFISIS” (Electric and Magnetic Field Instrument Suite and Integrated Science) receiver used to pick up the signals. He’s careful to point out that these are not acoustic waves of the kind that travel through the air of our planet. Chorus is made of radio waves that oscillate at acoustic frequencies, between 0 and 10 kHz. The magnetic search coil antennas of the Radiation Belt Storm Probes are designed to detect these kinds of waves. HTG Explains: How Antivirus Software Works HTG Explains: Why Deleted Files Can Be Recovered and How You Can Prevent It HTG Explains: What Are the Sys Rq, Scroll Lock, and Pause/Break Keys on My Keyboard?

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  • Simulating the effects of wind

    - by jernej
    I am developing a mobile game for Android. It is a 3D jumping game (like ski jump) where wind plays a important role so i need to simulate it. How could I achieve this? The game uses libgdx for rendering and a port of Bullet physics engine for physics. To simulate the jump I have 2 spheres which are placed at the start and at the end of the player and gravity is applied to them (they role down the hill and jump at the end). I use them to calculate the angle and the position of the player. If a button is pressed some extra y speed is applied to them (to simulate the jump before the end of the jumping ramp). But now I have to add wind to it. How is this usually done? Which collision box/method should I use? The way I understand it I only have to apply some force with direction to the player while in mid air. How can I do this in Bullet?

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  • New Walkthrough Capability in AutoVue 20

    - by warren.baird
    New in AutoVue 20 is the capability to view a 3D model of a building from the inside - this is a very powerful tool for anyone who needs to work with models of plants, refineries, or other buildings. All of the standard AutoVue functionality is available, so you can click on any part of the building to get attribute data, manipulate the view, do measurement, etc. For example, in the image below we've made the Architectural model (Walls, Floors, etc.) transparent, but left the electrical and mechanical models opaque, so it's easy to see where the wires and piping run behind the walls. Additionally you can bring together different files and different types of files, using our digital mockup capability - in the image below the heating and air conditioning sytem on the left came from one file, and the electrical box on the right came from another wile, and the model of the room came from yet a third file, but with everything brought together into AutoVue you can do things like use our measurement capability to ensure there's enough space to get maintenance equipment down the hallway, before the building is even built. For more information about Walkthrough, you can view a video demo at http://download.oracle.com/autovue/3D_walkthrough_movie.wmv We're very excited about this new capability - do you think this will be useful for you in your work with AutoVue? Let us know!

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  • Bump the Bill

    - by David Dorf
    I'm writing this from 3,400 feet in the air somewhere between Chicago and Austin. GoGo In-flight strikes again. Is there anywhere I can't get a WiFi connection? While listening to Deacon Blues by Steely Dan and skimming the news, I just came across an interesting article on mobile payments. Remember when I wrote about the iPhone Bump application and its possible use in retail? Well it looks like PayPal updated their mobile payments application to include the bump technology. Now its possible to transfer money between individuals by bumping iPhones. According to the WSJ, Paypal did 24 million transactions in 2008 and 140 million in 2009 on mobile phones. As the technology gets easier to use, that number is bound to increase. Alternatives to Paypal include Google Checkout, Amazon Payments, wireless carriers ("put it on my phone bill"), smart cards (using your phone's SIM card), and iTunes. That last one comes courtesy of a story Joe Skorupa wrote on mobile payments. It looks like Apple allows iPhone apps to take micro-payments via iTunes accounts, so there may come a time when its possible to use your iPhone to make a purchase in a retail store and have your credit card charged via your iTunes account. There are still some improvements in usability to be made before using a phone will be easier than swiping a credit card, but its already better than fussing with cash.

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