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• How do I get the line of a javascript error in a Chrome Web Developer stack trace?

  - by David Faux

  Using Chrome Web Developer, I am analyzing a complex web page linking many javascript files. Web Developer console notes that there is a bug in the javascript. I click on the bug notice in the console, which leads me to a line in a javascript file that I have no control over and did not code. However, I want to trace this error to a line of javascript that I did write in a different file. How do I do that?

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• How can you invert the colors of a PDF?

  - by legr3c

  I need to invert all the colors of a PDF document (background, text, graphics, and images). I want it persistent in the file so the inverted viewing options, that some viewers offer, won't help. Rasterizing the document and using image manipulation software is also not an option. I read somewhere that this can be done with the Enfocus PitStop plugin for Acrobat. However I didn't see a corresponding command anywhere. Am I missing something? Then I read that the ARTS PDF Crackerjack plugin for Acrobat offers negative printing so I tried that, too. The option is there but it simply doesn't work. I have been searching for very long for a way to do this. It seems like a common enough task but I just can't find out how to do it. Are there maybe any virtual printer drivers or something of the sort that support negative printing? Can anyone help?

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• How to install windows without graphic's driver?

  - by Mike Redford

  My notebook's(Compaq Presario V5000) graphic card damaged last week and after that it will be restarted when I want to boot. So I tested it via windows live, and it booted from CD without any problem (as you know in win live, the graphic card doesn't recognize, and in setting of graphic card write : unknown ) Now my question : Is there anyway to install windows without any graphic driver please ?for example, Should I delete some installation files ?! PS : I tested Windows XP , VISTA and 7 but, when it goes to GUI installation restarted again :( Thanks for your help

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• Web based library management (FOSS) application

  - by pgb

  I'm looking for a FOSS web-based library management application. I want to manage the few books we have at our company, and I'm looking for applications that provide a simple web interface to: Add new books. Search for books. (Not Required) Place holds on books. My ideal would be something like Delicious Library, but web based and open source. I've looked at Koha (which I could not install), Emilda, which seems to be a dead project (last emails are from 2006 and I could not install it) and VuFind which looks awesome but doesn't provide (or I could not find) an interface to add new records to the library. Any suggestions?

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• OSX 10.6 Give Apache2 read&write access to mounted windows share

  - by JohEngstrom

  On Mac OS X Snow Leopard I'm trying to give the apache2 user _www full rights to a mounted hidden windows server share. I've used Connect to Server with smb://servername/share$ and saved the username/password in the keychain. The domain username used for the mount got full rights to the share on the windows server. It all works this far. I can browse and edit the files in the share from the Mac. However I can't find a way to give the apache2 user _www rights to write to the mounted share. I have a perl script that is supposed to create a file in the mounted folder but only get permission denied. I've tried all kinds of chmod and chown but it doesn't change the permissions of the share. Does anyone know how this can be done please?

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• Set-and-forget Windows backup software with NAS-support?

  - by Evert

  I am looking for set-and-forget backup software for Windows (Vista & 7, and if possible XP/2003). The idea is that it runs in the background on the clients, and does its thing towards a network-share. In case the HDD of one of these clients spontaneously combusts, all I want to have to do is: replace the drive, insert a USB-stick, boot from it, and restore the machine. It should support drives which use [ICH]-RAID. What are my options here? It looks like WHS meets all the requirements, but I am curious about my other options here.

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• "The Operation Failed." accepting METHOD: PUBLISH iCalendar files in .pst account

  - by Jamie Kitson

  if I create a new Mail Profile using the Internet E-mail wizard, ie, creating a new local .pst account, and then try to add a .ics iCalendar file with a METHOD of PUBLISH to the calendar of that account, I get the error "The Operation Failed." If I change any of the above it works ok, eg, if I use an Exchange account or METHOD: REQUEST in the iCalendar file. I'm using Outlook 2010 on Windows 7 but I think the user that originally reported this was using Outlook 2007. Does anyone have any idea of why this might be? Thanks, Jamie Kitson

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• Restore XP on Acer Aspire One netbook

  - by Imran

  I have an Acer Aspire One D250 netbook which came with Windows XP (but no CD) on which I have since installed Xubuntu 9.10. Now I am trying to sell it, but I cannot find a way to recover XP. I have read in a lot of different places that holding Alt+F10 during boot should send me to a recovery menu (which will allow me to restore XP from a "secret partition"), but I have tried many times to no avail. The best I can do is get the BIOS setup screen by holding F2, but there doesn't seem to be any recovery option there. After the initial option to go into the BIOS setup GRUB starts loading and there don't seem to be any more opportunities to enter a system setup screen. Please help!

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• Expanding globs in xargs

  - by Craig

  I have a directory like this mkdir test cd test touch file{0,1}.txt otherfile{0,1}.txt stuff{0,1}.txt I want to run some command such as ls on certain types of files in the directory and have the * (glob) expand to all possibilities for the filename. echo 'file otherfile' | tr ' ' '\n' | xargs -I % ls %*.txt This command does not expand the glob and tries to look for the literal 'file*.txt' How do I write a similar command that expands the globs? (I want to use xargs so the command can be run in parallel)

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• Setting up a PC for the Kids

  - by Martin Clarke

  I recently finished building a new PC from scratch; and then I decided to treat myself to a new widescreen monitor. I'm left with a bit of a conundrum with what to do with my old box. I'm considering a few options such as a file server, putting Linux on it, putting it elsewhere in the house or giving it to a member of the family and so on. But to be honest, I don't really think it would get much use. I've started thinking about putting together something for my kids. The oldest is coming up on 4 in a couple of months and he's used my PC and Macbook (supervised!) before for playing jigzaw puzzles, babysmash and so forth. He's also uses the computer at his nursery (Kindergarden for North Americans!). So, its got me thinking about setting something up for him (bonus for his brother who is 2). I was wondering what others had done when trying to put together something for their kids? Some points for consideration: Operating System? Software? Anti-virus Internet (probably blocking?) Hardware (I've seen some keyboards designed with kids in mind)

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• How to increase wifi speed for laptops

  - by sagar

  Now, Let me explain the situation. I am having a query regarding Wi-Fi network. I am having PC & laptop. I requested my Wi-Fi providers that I want connection in my PC. So that - Wi-Fi provider set up an Antenna on my building Terrace - They joined a cable to pc & that Antenna. ( I think using RJ45 connector ) - The reason behind this - my does not have a built in Wi-Fi adapter. Now - almost laptops have built in Wi-Fi. Now - On terrace there is Wi-Fi with superb speed. But on my flat - Wi-fi comes with low speed. So, when ever I use internet on my pc - it has great speed - but my laptop works with low speed. The reason behind this - PC is catching wifi from terrace & laptop is catching the wifi from it's own place. Now, My question is something like this. Can we place an antenna or something like that & connect it to laptop for better wifi speed? ( I am not technical person - Please add comment for down vote - if any ) ( Please add comment for more explanation of my Problem ) Thanks in advance for sharing your knowledge. Sagar

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• Windows 7 x64 "upgrade" repair fails

  - by Polynomial

  I've been running into issues with Windows Update, which I can't seem to fix. The hotfixes don't work, nor does the Windows update readyness tool, or the manual SP1 upgrade. I get various esoteric errors which nobody seems to have a fix for. Looks like some of the update cache is corrupt and digital signatures seem to be broken on some packages / Windows Update components. Long story short, I have discovered the only option is to do a repair operation on the OS, to repair everything. It's so corrupt that only a complete replacement will fix it. According to various sources (including MSKB) one can perform a repair by running an in-place upgrade. I've got the Windows 7 Ultimate retail disc, which I've inserted into my machine. I ran setup.exe and went through in the following order: Install now Go online to get latest updates (I've also tried not getting updates) Wait for updates to be downloaded Select Windows 7 Ultimate (x64 architecture) and click next Accept the T&Cs, click next Click Upgrade At this point it spends a minute on the "checking compatibility" screen, after which I get the following error: The following issues are preventing Windows from upgrading. Cancel the upgrade, complete each task, and then restart the upgrade to continue. You can’t upgrade 64-bit Windows to a 32-bit version of Windows. To upgrade, obtain a 64-bit version of the installation disc, or go online to see how to install Windows 7 and keep your files and settings. 32-bit Windows cannot be upgraded to a 64-bit version of Windows. To upgrade, obtain a 32-bit version of the Windows installation disc. It also mentions a warning about potential conflicts with a storage driver and VS2010, but that doesn't seem to be the blocking issue. My currently installed version of Windows is Ultimate 64-bit (absolutely sure of this) and the disc is definitely a x86 / x64 combined Ultimate retail disc. There seem to be a few people who have run into this (e.g. this question), but I've not seen any answers. I've checked the event viewer, but can't spot anything in there that's related. Any idea how I can get this working? P.S: Just to pre-empt the inevitable "are you suuuuuuuuuuuuure it's x64 Ultimate?" questions:

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• keyboard intermittently stops working even after reinstalling windows 7; possibly a Chrome issue?

  - by neverskipbreakfast

  My keyboard intermittently stops working. Sometimes a couple of keys will work, but usually none. Sometimes if I mash the ctrl+alt+windows keys randomly for a bit, the keyboard will let me type one more letter before stopping again. Sometimes the keys will open a program menu but usually not. I have even completely wiped my machine and reinstalled windows 7; the problem continues. Specs: Intel iMac (early 2006, 2.0GHz, 2MB RAM, 240GB HD) running ONLY Windows 7 Professional, 32-bit (NOT through boot camp) and using a USB keyboard (Saitek Eclipse II.) Unplugging & reconnecting keyboard does NOT fix it. Connecting a different keyboard does NOT fix it. That one won't work, either. Drivers are up-to-date. Removing and reinstalling drivers does NOT fix it. Restarting the computer does NOT fix it. In fact, when the Windows logon screen appears the keyboard won't work and neither will the icon to pull up the on-screen keyboard. My mouse can click around just fine. I can only log onto a non-password protected account. Generally, logging into as different Windows user fixes it. I can then log back on to my main user account and continue work for a few hours until it happens again. Clearing my Chrome browsing data stopped the problem from recurring for a week or so. I have already REINSTALLED Windows 7 (not just a restore.) The problem returned after 2 days of use. I use Avira free antivirus software, and repeated scans turn up nothing fishy. I suspect it is related to something in Google Chrome because I used my google account to reload all my previous Chrome extensions, saved data, etc. (Chrome Extensions Installed: AdBlock, Better Google Tasks, DropBox, FB Photo Zoom, Google Mail Checker, StayFocusd.) Any ideas? Any at all?

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• Installing VirtualBox on BackTrack 5

  - by m0skit0

  I'm getting this error when running VirtualBox's installation script: $ sudo ~/Downloads/VirtualBox-4.1.14-77440-Linux_x86.run Verifying archive integrity... All good. Uncompressing VirtualBox for Linux installation........... VirtualBox Version 4.1.14 r77440 (2012-04-12T16:20:44Z) installer Removing previous installation of VirtualBox 4.1.14 r77440 from /opt/VirtualBox Installing VirtualBox to /opt/VirtualBox tar: Record size = 8 blocks Python found: python, installing bindings... Building the VirtualBox kernel modules Error! Bad return status for module build on kernel: 3.2.6 (i686) Consult the make.log in the build directory /var/lib/dkms/vboxhost/4.1.14/build/ for more information. ERROR: binary package for vboxhost: 4.1.14 not found Here's the log: $ cat /var/lib/dkms/vboxhost/4.1.14/build/make.log DKMS make.log for vboxhost-4.1.14 for kernel 3.2.6 (i686) Sun May 13 14:32:52 CEST 2012 make: Entering directory `/usr/src/linux-headers-3.2.6' /usr/src/linux-headers-3.2.6/arch/x86/Makefile:39: /usr/src/linux-headers-3.2.6/arch/x86/Makefile_32.cpu: No such file or directory make: *** No rule to make target `/usr/src/linux-headers-3.2.6/arch/x86/Makefile_32.cpu'. Stop. make: Leaving directory `/usr/src/linux-headers-3.2.6' /usr/src/linux-headers-3.2.6/arch/x86/ directory: $ ls /usr/src/linux-headers-3.2.6/arch/x86/ Kconfig Makefile ia32 lguest mm pci tools video Kconfig.cpu boot kernel lib net platform um xen Kconfig.debug crypto kvm math-emu oprofile power vdso Makefile references on "cpu" $ cat /usr/src/linux-headers-3.2.6/arch/x86/Makefile | grep cpu include $(srctree)/arch/x86/Makefile_32.cpu # FIXME - should be integrated in Makefile.cpu (Makefile_32.cpu) Before upgrading to 3.X I didn't have this problem, the script would install VB correctly. Any ideas on what might be causing this? Thanks in advance!

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• Is it possible to use a laptop charger in other laptop with different specifications?

  - by poz2k4444

  Let's say I have my laptop charger that uses 19.5V and 3.9A and I want to use it in other laptop that has no charger but it needs just 19V and 3.16A, I've studied a little of electtronics and I know that the amperage doesn't affect because the computer will use just the necessary, but I'm not really sure about the voltage. I read this post and I know the polarity is the same and the connector fits, but it doesn't say anything about voltage, I also know if the voltage of the charger were lower than the specification it'll not be a problem, but what about this little almost insignificant difference??

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• eSata plugged into Sata socket via adaptor cable very slow

  - by Jon

  Why would an external eSata Drive (xSonic with 500Gb notebook Hard Drive) run ok on a Silicon Image based PCI-E to eSata adaptor at about 35MB/s, But then run really slow when plugged into NForce4 Sata socket via cable? I have another version of the problem with Really slow 1MB/s!!! performance on a ASUS P5K Pro Motherboard with E8400 CPU. This time the same card is plugged into a PCI-E socket. The same eSata drive is plugged into the Esata port on the card. All this is running on Windows XP Pro 32bit. Any suggestions on how to diagnose the problems??

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• Recover Windows 7 from Linux Ubuntu?

  - by macha

  I have two partitions and have Linux Ubuntu running on one partition and Windows 7 running on the other. Now when I try to boot from Windows 7, I get an error saying the /system32/winload.exe file is corrupted or deleted. Now I have Windows 7 files on my system but do not have the DVD, I have made USB bootable with Windows 7, but when I boot it with the USB stick, a blue screen is coming on with weird errors messages. Now I am trying to restore my Windows instance to a restore point where it can work normally. How can I do that in my situation?

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• Apple Mail clones Gmail account folders and gets out of sync when tracking unread emails

  - by Petruza

  The Gmail (fc.mm.mp.lh is Gmail also) accounts that I've set up with Mail, automatically created a second folder for each of the accounts, the ones you can see in ALL CAPS at the bottom. I guess this folders represent the web mail accounts, while the folders inside Inbox represent the pop accounts, despite them being the same account. The thing is, as you can see, while the inbox accounts have no unread mails, their "all caps" counterparts show as if they had some unread mails. This is not the normal behavior; when I mark an email as read, it is "read" in both versions of the account, but from time to time, they kind of get "out of sync" and the bottom folders start to show unread emails that were actually read. Have you seen this behavior before? What can I do? I don't use the bottom "folders" but I can't get rid of them anyway. It's just that their unread messages notification annoys me because there aren't actually any unread mails.

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• how to connect only ethernet and only wireless hosts together

  - by Ashok Das

  Here is my problem. I have an android tablet that have only WiFi for network connectivity and I have a windows server that have only Ethernet ports for network connection. Now I want to telnet to my server from my tablet. I think some wireless to Ethernet converter required in between. I am planning to use Buffalo Air Station WCR-GN or TP-LINK TL-WR740N or TL-WR702N. The connection setup should be like this: [server]<---Ethernet---[WIFI router]<---wireless---[Tablet]. Now I am in doubt will this setup work? Anybody please help me with this. Regards Ashok

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• Is there an Outlook or Gmail plugin to manage multiple tasks in an email?

  - by Matthew Lock

  I often get client emails containing 10 or more tasks written as text in the email. I know Outlook and Gmail let you turn an email into a single task, but this doesn't help too much when there are 10 tasks in that email. Are there any plugins for Outlook or Gmail that let put checkboxes into the email or something so I can check off each item as they are done? Ideally I'd like the checkboxes/to do items to be inside the email itself so I can see my progress by looking at the email, rather than just letting me copy text from the email into some other task list.

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• Kernel panic while loading Mac OS X on VMWare

  - by Vladimir Gritsenko

  I'm trying to run Mac OS X 10.6.3 on VMWare 7.1 from within Windows 7 64 bit. Trying to run the OS X doesn't work - shortly after booting VMWare announces the machine's death with this pop-up message: The CPU has been disabled by the guest operating system. You will need to power off or reset the virtual machine at this point. The console has a more interesting announcement: The real-time clock was not properly initialized on your system! With a dump of the detected CPU speed (~2.9 GHz), FSB (~94 MHz) and bus ratio (31). Somehow, the code that panics is documented in an accidental .diff file here. Apparently, it commits seppuku if the bus ratio is greater than 30. I underclocked my E6500 to a slower speed, but this apparently didn't make any difference. I can think of two possibilities right now: The CPU info being read is constant, and defines the maximum ability of the CPU. In which case it appears I'm screwed. VMWare presents its own CPU info to the machine, which I can perhaps somehow change. If so, how? If these sound completely off, that's because I'm a real newbie in these matters. Here's hoping you guys can show me the light :-)

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• Connecting desktop computer to the internet through laptop wifi

  - by Josh

  Due to some home network complications I have had to move my router to a seperate part of the house, therefore the wired network I had set up can no longer work. Before I find the time to go out and buy a Wifi adapter for my desktop PC, I have a laptop that uses a built in Wifi card to connect to my router and this can connect to the internet, and I was wondering if I could somehow access the internet on my desktop PC via my laptop. I'm hoping for a not-so-complex solution as this will only be set up for a few days, but it is quite vital that my desktop computer gets internet access. Does anyone have experience in this sort of thing and can help me out? Thanks.

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• How can I connect DLNA devices through NAT?

  - by Bob

  I have a Windows 7 PC running Serviio as a DLNA server. I have a Samsung I9100G running Skifta as a DLNA renderer (client). My network topology: At the moment, I can connect and watch my videos fine if the phone is on router #2. The server is on a wired network with #2. Router #1 is 192.168.1.1, router #2 is 192.168.2.1 (192.168.1.2) and router #3 is 192.168.3.1 (192.168.1.3). In other words, each router has its own subnet, using NAT - their "modem" port is connected with a "LAN" port on the modem/router 1. What I want to do is be able to connect to the DLNA server if the renderer is connected to router #1/#3 - #1 is on the WAN side of #2, while #3 is even further separated. I'll settle for just #1 working, though. Normally, I would just forward the appropriate ports, and everything would work fine. However, (apparently) DLNA uses UPnP, which I am unfamiliar with. I tried enabling UPnP on router #2, but that did not seem not change anything. It's a Belkin F5D7230-4 6000 - there's reported issues with UPnP on F5D7230-4 7000. UPnP is already enabled on router #1 - a Billion BiPAC 7700N. I've also tried the built in DLNA renderer/server/controller on my phone, Samsung AllShare. It can see the server on router #2 and browse files, but has issues playing or downloading them. It also can't see the server on the other two networks. I'm currently using Skifta/s "local" mode. "Remote" mode requires an account, which I don't really want to create if not necessary. Is it possible too do what I'm trying to do? If no, are there workarounds? If yes, how do I do it? Is my server the issue? The renderer (client)? The router(s)? My method? I can change just about anything except the routers.

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• Wi-Fi performance in Windows 8 RP on a MacBook Air (mid 2011)

  - by Steven Lu

  I was able to install the Boot Camp Windows software using the executable that it provided, and there are no unrecognized or unknown devices in Device Manager. Wi-Fi works but it seems to be limited to an extremely slow 1.5Mbits. Network Center reports an 802.11n connection (at 65Mbps usually) but transfers never reach above about 200kB/s. Being limited to 1/20th of the connection speed of my internet service is quite frustrating. Does anybody experience the same issue? I have been trying to identify the Broadcom Wi-Fi chipset and a driver that I could try to upgrade to but I have made very little progress on Google on this front.

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• The fastest way to encode image+audio for Youtube from command line?

  - by Pavel Vlasov

  I have an mp3 and image and I want to make a simple clip to upload onto Youtube. Is there a fast solution? If video formats are so bad designed, then maybe it is possible to use a prerendered video-only clip? This works good except it takes as much time as the audio lasts: ffmpeg -loop_input -r ntsc -i "%IMAGE%" -i "%AUDIO%" -r 1 -acodec copy -shortest -re -force_fps "%VIDEO%" This takes a second but results in a black screen video that is successfully played by a desktop video player but not acceptable by Youtube: ffmpeg -i "%IMAGE%" -i "%AUDIO%" -acodec copy "%VIDEO%" Windows 7. Preserving audio quality is preferred over video quality.

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