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• How to prevent Google Toolbar being installed in Portable Firefox?

  - by HyperHacker

  Recently, the campus computers installed Google Toolbar in Firefox. Now, I have no use for this toolbar, so I don't want it there. For that and other reasons, I installed Portable Firefox on a USB stick and use that instead. Somehow, when I log into one of these machines and start Portable Firefox, guess what? "Thank you for installing Google Toolbar." No! I don't want some IT guy choosing what extensions to install on my personal Firefox on my USB stick. I can uninstall it but next time I log in, it comes right back. I suppose PF is for some reason reading things from the local disk, or there's some kind of background process installing it? How do I prevent extensions being installed without my consent?

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• What's faster, cp -R or unpacking tar.gz files?

  - by Buttle Butkus

  I have some tar.gz files that total many gigabytes on a CentOS system. Most of the tar.gz files are actually pretty small, but the ones with images are large. One is 7.7G, another is about 4G, and a couple around 1G. I have unpacked the files once already and now I want a second copy of all those files. I assumed that copying the unpacked files would be faster than re-unpacking them. But I started running cp -R about 10 minutes ago and so far less than 500M is copied. I feel certain that the unpacking process was faster. Am I right? And if so, why? It doesn't seem to make sense that unpacking would be faster than simply duplicating existing structures.

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• Getting error - This application has failed to start because the application configuration is incorrect. Reinsta

  - by Kaye

  I am sorry if I am repeating this issue. But I am a layman and cant understand the answers posted. I want to do away with Windows XP Professional (I have lost the product key) that I have on an old desktop PC that is more than 7/8 years old. I didnt use the PC for a couple of years as this laptop was more convenient. Now I have started to use this PC but cannot download SP2 onto the PC as it keeps asking for product key and I dont remember where I wrote it down or where I kept it. So I downloaded Ubuntu 12.10 onto the desktop screen (about 753MB and 3 hours) and then used Unetbootin to put this on my pendrive. After completing the process, I have on my pendrive 9 folders, 3 text files, 1 autorun file, 1 ldlinux file, 1 wubi application file and 5 other files - total 20 items. Though on bootup I opted for USB boot, the boot-up opens into Windows. It simply bypasses the USB where ubuntu lies. What do I do? Am I doing things correctly. Pls explain in simple terms.

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• Automatic profile load on boot

  - by AnthonyW

  Is there any way to configure a computer to login automatically at bootup and then IMMEDIATELY switch users? The purpose is to trigger the profile loading process for the assumed user so that when they go to login, their profile loads instantaneously. Yet, the immediate user switch means that the login password is still required before any actual use. A few of the attempts I have made require storing the password in plain-text for the system to use. Needless to say that is undesireable. I have been looking for this solution for years; if anyone knows of a better solution to skinning this cat I am all ears. EDIT: tsdiscon command will Lock the workstation.

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• How do I stop my IIS App Pool making a request to wpad.mydomain.com?

  - by Programming Hero

  As part of some performance troubleshooting, I've monitored the slow startup of a "cold" App Pool (one without an active worker process) in IIS. When using a built-in account, the App Pool starts in sub-second time. When using a custom local account the App Pool takes 30+ seconds to start processing requests. The service appears to be making requests to wpad.mydomain.com, an address it does not have access to, which causes it to wait 30 seconds for a response before eventually timing out. As a workaround, I've added the hostname to the server's hosts file, to direct the traffic to the local machine, which returns much faster (1-2 seconds). What do I need to do to stop IIS making this request when this identity is used for the App Pool?

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• Aggressive Auto-Updating?

  - by MattiasK

  What do you guys think is best practice regarding auto-updating? Google Chrome for instance seems to auto-update itself as soon as it get's a chance without asking and I'm fine with it. I think most "normal" users benefits from updates being a transparent process. Then again, some more technical users might be miffed if you update their app without permission, as I see it there's 3 options: 1) Have a checkbox when installing that says "allow automatic updates" 2) Just have a preference somewhere that allows you to "disable automatic updates" so that you have to "check for updates manually" I'm leaning towards 2) because 1) feels like it might alienate non-technical users and I'd rather avoid installation queries if possible. Also I'm thinking about making it easy to downgrade if an upgrade (heaven forbid) causes trouble, what are your thoughts? Another question, even if auto-updates are automatically, perhaps they should be announced. If there's new features for example otherwise you might not realize and use them One thing that kinda scares me though is the security implications, someone could theorically hack my server and push out spyware/zombieware to all my customers. It seems that using digital signatures to prevent man-in-the-middle attacks is the least you could do otherwise you might be hooked up to a network that spoofs the address of of update server.

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• How do audio based games such as Audiosurf and Beat Hazard work?

  - by The Communist Duck

  Note: I am not asking how to make a clone of one of these. I am asking about how they work. I'm sure everyone's seen the games where you use your own music files (or provided ones) and the games produce levels based on them, such as Audiosurf and Beat Hazard. Here is a video of Audiosurf in action, to show what I mean. If you provide a heavy metal song, you would get a completely different set of obstacles, enemies, and game experience from something like Vivaldi. What does interest me is how these games work. I do not know much about audio (well, data-side), but how do they process the song to understand when it is settling down or when it's speeding up? I guess they could just feed the pitch values (assuming those sorts of things exist in audio files) to form a level, but it wouldn't fully explain it. I'm either looking for an explanation, some links to articles about this sort of thing (I'm sure there's a term or terms for it), or even an open-source implementation of this kind of thing ;-) EDIT: After some searching and a little help, I found out about FFT (Fast Fourier Transform). This maybe a step in the right direction, but it is something that does not make any sense to me..or fits with my physics knowledge of waves.

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• My webcam just came on "out of the blue"

  - by AngryHacker

  I have a Microsoft LifeCam HD sitting atop my monitor. Today, completely out of the blue, its light came on -- I was simply browsing the web (in Chrome) when it happened. After about 5 minutes the webcam turned off. Naturally, I immediately suspected my ex-wife (when in doubt, I always suspect her), but she isn't computer savvy enough. I looked over the process list and didn't see anything suspicious. I am running a couple of open source projects and free apps (e.g., greenshot, powermenu, supertray), but I've had them for years. Autoruns reports nothing suspicious in the startup and neither does Windows Defender. Anyways, what could it be? What should I look at next?

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• Help with Abstract Factory Pattern

  - by brazc0re

  I need help with a abstract factory pattern design. This question is a continuation of: Design help with parallel process I am really confused where I should be initializing all of the settings for each type of medium (ex: RS232, TCP/IP, etc). Attached is the drawing on how I am setting up the pattern: As shown, when a medium is created, each medium imposes a ICreateMedium interface. I would assume that the Create() method also create the proper object, such as SerialPort serialPort = new SerialPort("COM1", baud); however, TCPIPMedium would have an issue with the interface because it wouldn't need to initialize a serial port object. I know I am doing something majorly wrong here. I just can't figure it out and have been stuck for a while. What I also get confused on show the interface IMedium will get access to the communication object once it is created so it can write out the appropriate byte[] packet. Any guidance would be greatly appreciated. My main goal is to have the Communicator class spit a packet out without caring which type of medium is active.

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• Freeze during Battlefield 3 - Probable Hardware issue?

  - by HendsteR

  my friend's notebook frequently freezes during BF3 sessions since ~1 1/2 months. It runs Win764Bit and he already reinstalled windows during the process, it didn't help. So we guess it might probably be a hardware issue. Now the question - which part of the hardware could effect a total freeze of the system WITHOUT getting a bluescreen? Or are there any known software issues he could also try? The hardware specs are: Acer 7745G Intel i7 720QM AMD Mobility 5850HD - Running Catalyst 11.6 now btw. (all drivers tested from 11.2 to 12.6 though) 4GB Ram 1.333MHz Oh and yeah, he just added that it crashes playing Diablo3 from time to time, too. Please help :)

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• What is an effective way to familiarize yourself with a new application in a new language? [closed]

  - by codeninja

  Possible Duplicate: How do I pick up a new language quickly, given I know several others? I started a new job working on an application I'm vaguely familar with, and it's in PERL! I come from a PHP and Java background, so while I understand the basics, there are lot of nuances in PERL that make it troublesome. updated < Im supposed to be a UI developer, but the smallness of the office requires me to learn and do a lot more than just javascript. So that was slightly unexpected in some aspects and I'm just thinking about what approach to take with this /updated So far I've been sifting through the code to understand what each part does, printed out copies of code and try to lookup APIs I'm not familiar with, and so I dunno how effective this process is -- I feel like it's gonna take some time -- and I dont want my new employers to feel like I'm not being productive. Anyone have some ideas or approaches for this kind of situation? I read some of the questions about learning new languages, but I'm curious to see if anyone's had experience with this with PERL.

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• Can an ESX server under heavy load cause cpu spikes on guest VM's?

  - by ReferentiallySeethru

  So we have a number of vm's running on an ESX 4.1 server for product testing. The ESX Server is at times under heavy load. We've been experiencing high CPU levels during some use cases, but we can't always duplicate this. If the ESX server as a whole is under heavy load could this cause guest machines to show high CPU usage? To ask it a different way, if the guest machines require more cpu resources than the server has, how does this affect CPU usage as indicated by the OS and process?

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• Computer to act as keyboard

  - by Joe

  Title explains it. Imagine this example, Host computer connects to a Client computer via male/male usb connection. Client computer acknowledges this connection as a new device, in this case a keyboard. The host computer can now send key events to the client computer and the client computer would process them as a normal keyboard event. I did a whole lot of searching in the internet and really have drove down many dead ends. Any tips would be appreciated. Note* this is a physical connection. The client computer should not have to install any software for this to function (The host will completely spoof as a keyboard).

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• Type of AI to tackle this problem?

  - by user1154277

  I posted this on stackoverflow but want to get your recommendations as well as a user on overflow recommended I post it here. I'm going to say from the beginning that I am not a programmer, I have a cursory knowledge of different types of AI and am just a businessman building a web app. Anyways, the web app I am investing in to develop is for a hobby of mine. There are many part manufacturers, product manufacturers, upgrade and addon manufacturers etc. for hardware/products in this hobby's industry. Currently, I am in the process of building a crowd sourced platform for people who are knowledgeable to go in and mark up compatibility between those parts as its not always clear cut if they are for example: Manufacturer A makes a "A" class product, and manufacturer B makes upgrade/part that generally goes with class "A" products, but is for one reason or another not compatible with Manufacturer A's particular "A" class product. However, a good chunk (60%-70%) of the products/parts in the database can have their compatibility inferenced by their properties, For example: Part 1 is type "A" with "X" mm receiver and part 2 is also Type "A" with "X" mm interface and thus the two parts are compatible.. or Part 1 is a 8mm gear, thus all bushings of 8mm from any manufacturer is compatible with part 1. Further more, all gears can only have compatibility relationships in the database with bushing and gear boxes, but there can be no meaningful compatibility between a gear and a rail, or receiver since those parts don't interface. Now what I want is an AI to be able to learn from the decisions of the crowdsourced platform community and be able to inference compatibility for new parts/products based on their tagged attributes, what type of part they are etc. What would be the best form of AI to tackle this? I was thinking a Expert System, but explicitly engineering all of the knowledge rules would be daunting because of the complex relations between literally tens of thousands of parts, hundreds of part types and many manufacturers. Would a ANN (neural network) be ideal to learn from the many inputs/decisions of the crowdsource platform users? Any help/input is much appreciated.

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• High-level description of how experimental C++ features are developed?

  - by Praxeolitic

  Herb Sutter in a video answers a question about the concepts proposal considered for C++11 and from his remarks it sounds like multiple groups offered prototype implementations but all of them left concerns about slow compile times. The comment surprised me because it suggests that, at least in some cases, the prototypes being developed are not just proofs of concept -- they're even expected to perform. All the work that must take has me curious. For mature languages, especially C++, how are experimental language features developed? Is it much different from developing a compiler that implements a standard? Does a developer have a sense of if it will work and perform or even if it ever could? What are the most time consuming parts and are any parts surprisingly easier than one might expect? The question is not what does the C++ standards committee do, but rather the part that comes before. When an experimental implementation for a proposal is being put together and there aren't any completely solidified rules, how is the sausage made? I'm not a professional compiler developer nor do I expect answers with step by step accounts. I'd like a high-level idea of how this would be done or if there are any general patterns at all. I don't know what to expect from the answers but even if there are no rules to the process and the small number of people who do this just cowboy it and then, for stuff that worked out, write up the "official version" as a proposal, that answer would still be informative.

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• How can I get all my itunes files from multiple computers onto my new PC?

  - by jasondavis

  Managing my itunes files (music,video,tv shows, iphone apps) is a really hard task and I have not had much luck yet. If I had a single PC for the rest of my life with the same hard drive, it would work great but infortunately it cannot be that simple. I just build a new PC as my old hard drive crashed with all my itunes purchased songs, video, etc. So is there anyway to get itunes to recognize that I own all them and let me re-download everything? As I see it so far, it knows what I own by my itunes account login (it knows if I purchased a file or not ever) but does not seem to let you just re-download everything to a new PC or new hard drive. I realize I should of had backups but I didn't. My backup plan is a work in process and it is getting much better but that doesnt help with my situation at the moment. So I am asking for any help, ideas of how to retrieve all my previous itunes purchases?

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• iTunes high CPU usage

  - by Calm Storm

  I upgraded to iTunes 10.4.1 and use Windows 7 and my itunes library is not that large at all (say about 20gb) When I start iTunes the CPU goes between 60-80% and stays there for a long time. I see that the itunes.exe takes about 70% of CPU in Process Explorer and it spawns a SearchProtocolHost.exe every 2 mins or so which takes < 0.1% CPU. Other than that iTunes.exe is always at 70-90% and never lets me do anything else. Does someone have a suggestion? EDIT: I have tried reinstalling 10.4.1 completely deleting my library and starting with a plain installation and that does not work I have tried downgrading to 10.3.x and that does not work either :(

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• why is this happening?-"dhcpcd will not work correctly unless run as root"

  - by user330317

  i have installed archlinux and gnome on virtualbox. had no problem connecting to internet but now after installing gnome and rebooting there is no internet connection after following instructions from archwiki,i have tried . but i cant figure out the problem please help. host-63drhd% sudo netctl status enp0s3 ? [email protected] - Networking for netctl profile enp0s3 Loaded: loaded (/usr/lib/systemd/system/[email protected]; static) Active: inactive (dead) Docs: man:netctl.profile(5) host-63drhd% sudo netctl enable enp0s3 Profile 'enp0s3' does not exist or is not readable host-63drhd% sudo dhcpcd dhcpcd[1486]: sending commands to master dhcpcd process host-63drhd% dhcpcd dhcpcd[1543]: control_open: Permission denied dhcpcd[1543]: dhcpcd will not work correctly unless run as root dhcpcd[1543]: open `/run/dhcpcd.pid': Permission denied dhcpcd[1543]: control_start: Permission denied dhcpcd[1543]: version 6.3.2 starting dhcpcd[1543]: enp0s3: if_init: Permission denied dhcpcd[1543]: enp0s8: if_init: Permission denied dhcpcd[1543]: no valid interfaces found dhcpcd[1543]: no interfaces have a carrier dhcpcd[1543]: forked to background, child pid 1544

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• MacPorts on mountain lion - cannot install apache2 due to gettext package

  - by jancha

  I have been having problem with installing gettext package from macports. When I am launching /opt/local/bin/port -v install apache2 it checks dependencies, and continues with gettext package installation. But the configure process freezes here: checking for egrep... /usr/bin/grep -E and nothing happens.. can wait hours, nothing changes. I tried to configure, make, make install manually for that package and it went all fine. But, when same configure is launched by ports, it hangs there. Question: 1) How can that be fixed? 2) Maybe I can somehow manually tell ports, that I installed that gettext package manually already? Sorry, if wrong "site" for this question. Felt most proper one.

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• Keeping folder of files in sync over 3 machines

  - by Wizzard

  Morning, Got 3 machines that have user content on them, which I need to keep in sync. This is a 3 way sync. Currently I run rsync but we just don't handle deletes. Have looked at something like gluster, but that seems a little over the top Any other software out there to do a 3 way sync, or a good network file system...? There is for web servers so we don't want a slow / IO hungry process. 3 servers... user content could be added to 1 and needs to be moved to other two.

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• For a particular domain, how can I cache its JSON responses locally?

  - by Chris

  I'm coding the frontend of a web app that uses XHR to grab JSON data from a 3rd party. The 3rd party service is slow and because of its API design, we need to make a LOT of API requests every time I refresh the page to test some new code. It's making the development loop painful. The requests are GETs, POSTs and PUTs even though I'm pretty sure none of the requests are changing state. I want to go to localhost for the JSON rather than to this 3rd party API - simply to make my development process faster.

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• Windows 8.1 keeps prompting for Network Share Credentials after every log on or restart

  - by Peret del Trunfa

  I have a Network drive Shared in a Workgroup with 3 clients. Two clients with Windows 7 have persistent connections to the Share. No issues with those two. My windows 8.1 client keeps prompting for credentials at every restart / log on. I spent hours looking around for a solution: I have stored cred in cred manager, and tried every possible combination (WORKGROUP\user , COMPUTERNAME\user, user, .. and so on). I have changed NT and NTLM negotiation in policy manager. I've compared the settings under GPO network security with a working win 7 computer, everything is pretty much the same. -I've captured Wireshark to see SMB negotiation process, honestly I see the messages flowing around, and the share sending AUTH DENIED.. which means is how the 8.1 client formats the request.... that makes the share reject it.. Now I still don't really know why. Any ideas would be appreciated.

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• JCP 2.9 and Transparency Call for Spec Leads 9 November

  - by heathervc

  JCP Spec Leads are invited to participate in an online meeting/call this Friday, 9 November, to hear a talk about the the 2.9 version of the Java Community Process (effective date of 13 November) and discuss the changes with representatives of the Program Management Office.  This call will be recorded and published with materials for those not able to attend.  Details of the call are included below.JCP 2.9 is presented in two documents:The JCP 2.9 document:http://www.jcp.org/en/procedures/jcp2and the EC Standing Rules document:http://www.jcp.org/en/procedures/ec_standing_rulesIn addition, we will be reviewing ways to collect community feedback on the transparency requirements for JCP 2.7 and above JSRs (JCP 2.8, JCP 2.9), detailed as part of the Spec Lead Guide.Call details:Topic: JCP 2.9 and Transparency Date: Friday, November 9, 2012 Time: 9:00 am, Pacific Standard Time (San Francisco, GMT-08:00) Meeting Number: 800 623 574 Meeting Password: 5282 ------------------------------------------------------- To start or join the online meeting ------------------------------------------------------- Go to https://jcp.webex.com/jcp/j.php?ED=188925347&UID=491098062&PW=NMDZiYTQzZmE1&RT=MiM0 ------------------------------------------------------- Audio conference information ------------------------------------------------------- Toll-Free Dial-In Number:     866 682-4770 International (Toll) Dial-In Number:     408 774-4073 Conference code 9454597 Security code 1020 Outside the US: global access numbers   https://www.intercallonline.com/portlets/scheduling/viewNumbers/listNumbersByCode.do?confCode=6279803

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• Create a term-document matrix from files

  - by Joe

  I have a set of files from example001.txt to example100.txt. Each file contains a list of keywords from a superset (the superset is available if we want it). So example001.txt might contain apple banana ... otherfruit I'd like to be able to process these files and produce something akin to a matrix so there is the list of examples* on the top row, the fruit down the side, and a '1' in a column if the fruit is in the file. An example might be... x example1 example2 example3 Apple 1 1 0 Babana 0 1 0 Coconut 0 1 1 Any idea how I might build some sort of command-line magic to put this together? I'm on OSX and happy with perl or python...

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• WINAPI window management question

  - by gekod

  I'm learning to develop windows applications using WINAPI and plain C. Now I got a bit confused with all those handles and would like to ask if you guys could teach me some good practices to structure and handle controls and windows. Here's where I get confused: Using the IDs declared in the resources for each object, we can get their handles using GetDlgItem(). Now what if we don't know their parent, which is needed by this function. One example: We have the main window created at launch. Then we register two new window classes and create a window for each new class and we create a message function for each too. Now if inside one of the children windows I create a button and inside the other child window I create a text label. Now when we click the button inside of child window A the label in child window B shall be modified to whatever. The WM_COMMAND for the button is interpreted inside the message loop for child window A. Now what would be the best and more elegant way to access the text label inside the child window B? I am in the process of learning the WINAPI and just want to learn it right from the start instead of producing Hacked code that someday becomes unreadable and to later have to adapt to a new way of programing.

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