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• Swap static public IPs without creating DNS conflicts?

  - by Jakobud

  Our ISP is Comcast and we have 5 static public IPs from them that we use for various services, including customers connecting to our network, VPN, web, DNS, etc... We need more IP addresses from Comcast. Unfortunately, Comcast is telling us that they can't just simply give us 5 more addresses. They only give static IP addresses in blocks of 1, 5 or 13. In order for us to get more static IPs, they have to take away our current 5 static IPs and give us 13 new ones. How do we make this transition without causing all sorts of DNS chaos? We run public DNS servers, so we can make the DNS changes ourselves, but it will take some time obviously for those DNS changes to propagate throughout the internet. Are there any easy ways to make this transition? Like create some type of fallback DNS entry or something? Surely there must be some sort of procedure for this kind of thing. The Comcast support guy was useless.

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• Best photo management software?

  - by Niels Basjes

  Hi, What I would like is a single piece of software (or a smart combination of tools) that allow me to manage my photos in a better way than what I've found so far. 1. Tags Primarily I need a way of tagging the images. So I can manually tag photos the same way we tag questions here at SO/SF/SU. I want this software to place a lot of the tags automagically (obvious things like date and resolution). 2. Face recognition What I would really like is that this software has a feature that it can recognize faces in images and places tags with the name of the person. So far I've only heard of one online photo system that can do that (Picasa) and not yet of any offline tool. 3. Version database I must have some way of having a central GIT/SVN/... that contains all images. I have had a harddrive corruption a few years ago and it took me a long time to figure out which images had been damaged. I always want to be able to go back to what the camera produced. 4. Website I want to be able to generate a website (few 'tag' specific websites) based on the actual content. 5. Easy bulk uploading Many photo tools have a one on one uploading option. I prefer simply 'throwing' my images on a file server under Linux (Samba) and let the system automagically integrate, tag, recognize, etc. all images. Ok, I know these are a bit much. Perhaps you guy's have some suggestions about existing tools that can make this possible. Or even a complete system that does this. EDIT: To clarify on the OS. I prefer Linux for any 'server' task and Windows XP for any 'desktop' task. Thanks for all your input. Niels Basjes

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• Errors in building ceplayit (directshow player sample)

  - by ame

  I tried to build the ceplayit files (of directshow player samples). I added them to a smart device project based on the sdk for my device (named TEMP). I am using MFC in visual Studio 2005. However the following errors occurred: Error 1 error LNK2001: unresolved external symbol IID_IBasicAudio vidwindow.obj Error 2 error LNK2001: unresolved external symbol CLSID_OverlayMixer ceplayit.obj Error 3 error LNK2001: unresolved external symbol IID_IBaseFilter ceplayit.obj Error 4 error LNK2001: unresolved external symbol IID_IMediaEventEx ceplayit.obj Error 5 error LNK2001: unresolved external symbol IID_IBasicVideo ceplayit.obj Error 6 error LNK2001: unresolved external symbol IID_IVideoWindow ceplayit.obj Error 7 error LNK2001: unresolved external symbol IID_IMediaPosition ceplayit.obj Error 8 error LNK2001: unresolved external symbol IID_IMediaSeeking ceplayit.obj Error 9 error LNK2001: unresolved external symbol IID_IMediaControl ceplayit.obj Error 10 error LNK2001: unresolved external symbol CLSID_FilterGraph ceplayit.obj Error 11 error LNK2001: unresolved external symbol IID_IGraphBuilder ceplayit.obj Error 12 fatal error LNK1120: 11 unresolved externals TEMP I read that i need to link strmbase.lib to my project but I think I am unable to correctly do this and the errors persist. Please help!

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• Open Id XRDS Discovery

  - by Asciant

  I am working with Open Id, just playing around making a class to interact / auth Open Id's on my site (in PHP). I know there are a few other Libraries (like RPX), but I want to use my own (its good to keep help better understand the protocol and whether its right for me). The question I have relates to the Open Id discovery sequence. Basically I have reached the point where I am looking at using the XRDS doc to get the local identity (openid.identity) from the claimed identity (openid.claimed_id). My question is, do I have to make a cURL request to get the XRDS Location (X-XRDS-location) and then make another cURL request to get the actual XRDS doc?? It seems like with a DUMB request I only make one cURL request and get the Open Id Server, but have to make two to use the XRDS Smart method. Just doesn't seem right, can anyone else give me some info.

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• filesystem compatible with freenas and windows

  - by Daniel

  Hi all, I'm planning on using FreeNAS (was considering openfiler but freenas seems simpler) for my home NAS box running off ESXI. I have managed to get local sata drives to mount in ESXI (http://serverfault.com/questions/216902/esxi-add-datastore-without-partitioning). I've had one of the drives fail on my before and I was able to retrieve most of the data off it using windows tools (I'm not much of a linux guy I know enough to be dangerous!). If I go the freenas route in the event that something goes bad what would be the best file system to use so that I could pop the drive out of the freenas box (vm) and put it in another pc running windows so I could try and run various recovery tools to get the data back. All in all its not a major problem if I lose the data just would be a bit annoying, so I'm not looking for suggestions around backing up etc. I was considering using NTFS that the drives are already formatted as but it appears that while freenas does support NTFS that its a bit buggy and not 100% reliable, anyone know if this is still true? Read that on a forum somewhere.

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• How can I write automated tests for iptables?

  - by Phil Frost

  I am configuring a Linux router with iptables. I want to write acceptance tests for the configuration that assert things like: traffic from some guy on the internet is not forwarded, and TCP to port 80 on the webserver in the DMZ from hosts on the corporate LAN is forwarded. An ancient FAQ alludes to a iptables -C option which allows one to ask something like, "given a packet from X, to Y, on port Z, would it be accepted or dropped?" Although the FAQ suggests it works like this, for iptables (but maybe not ipchains as it uses in the examples) the -C option seems to not simulate a test packet running through all the rules, but rather checks for the existence for an exactly matching rule. This has little value as a test. I want to assert that the rules have the desired effect, not just that they exist. I've considered creating yet more test VMs and a virtual network, then probing with tools like nmap for effects. However, I'm avoiding this solution due to the complexity of creating all those additional virtual machines, which is really quite a heavy way to generate some test traffic. It would also be nice to have an automated testing methodology which can also work on a real server in production. How else might I solve this problem? Is there some mechanism I might use to generate or simulate arbitrary traffic, then know if it was (or would be) dropped or accepted by iptables?

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• disable eclipse auto completion

  - by SpliFF

  I love Eclipse but I HATE auto-completion with a vengeance! I swear though, no matter how hard I look in prefs or Google I can't find where I turn this off! I'm having the problem with both CFEclipse and the PHP editor. How do I completely disable all "smart" quotes/tags/braces auto-inserting. Not some of it.. ALL of it. No matter how many options I untick both editors keep trying to finish my code for me.. usually with irritating results. Like this one (PHP editor): <img alt="banner" src="/images/banner.jpg"></img> This is HTML, not XHTML - I don't want, or need, my img tags closed. Anyway this is still happening after I've gone to Preferences | PHP | Editor | Typing and Preferences | PHP | Editor | Code Assist and unchecked every option. I can't be the only one having this issue but I can't find any howtos or help on this.

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• Software-related but not programming-specific questions

  - by jayrdub

  I have often fought the urge to ask questions that I know aren't appropriate on SO, because I personally haven't come across another online group who's opinions I would trust as much. What sites do you frequent that you have found good participation from a smart group of people where you can ask questions that are related to software, but not programming problems? This community also has a vast depth of knowledge about things related to software like marketing, graphics/UI, running a small business, working in bad jobs, etc. that would greatly benefit everyone else. Where do we go to tap all that knowledge? On stackoverflow.uservoice.com there is a popular suggested feature to sanction, or add to SO, a place to hold discussions that aren't about specific programming questions. It seems that the suggestion has been denied in the past though.

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• Vbscript - Compare and copy files from folder if newer than destination files

  - by Kenny Bones

  Hi, I'm trying to design this script that's supposed to be used as a part of a logon script for alot of users. And this script is basically supposed to take a source folder and destination folder as basically just make sure that the destination folder has the exact same content as the source folder. But only copy if the datemodified stamp of the source file is newer than the destination file. I have been thinking out this basic pseudo code, just trying to make sure this is valid and solid basically. Dim strSourceFolder, strDestFolder strSourceFolder = "C:\Users\User\SourceFolder\" strDestFolder = "C:\Users\User\DestFolder\" For each file in StrSourceFolder ReplaceIfNewer (file, strDestFolder) Next Sub ReplaceIfNewer (SourceFile, DestFolder) Dim DateModifiedSourceFile, DateModifiedDestFile DateModifiedSourceFile = SourceFile.DateModified() DateModifiedDestFile = DestFolder & "\" & SourceFile.DateModified() If DateModifiedSourceFile < DateModifiedDestFile Copy SourceFile to SourceFolder End if End Sub Would this work? I'm not quite sure how it can be done, but I could probably spend all day figuring it out. But the people here are generally so amazingly smart that with your help it would take alot less time :)

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• My New Dell Workstation T-7500 gives electric shock

  - by Dan

  Just bought Dell T-7500 Workstation. When installation technician came to Install the workstation, he got an electric shock when he touched the Start Button. He also got shock when he touched Front Panel. No shock when touching rest of the Chassis. He called Dell Support & tried to troubleshoot by taking out various wires etc but did not help. I touched the same places & I also got shock. We checked everything possible including connecting to various outlets but it didn't solve the problem. Installation subcontractor said that they are not supposed to troubleshoot anything on new system, just install it & they made notes & left. I called my sales guy & it was weekend so he said he will take care of it on Monday. Here are my concerns : (1) Why does that happen ? Although it is a mild shock & it won't kill you but might damage other parts of workstation ? (2) Is this common for workstations ? (3) What should I do ? Of course Dell will try to troubleshoot again but should I let them do that OR ask for a New System ? (4) Wheat would happen if I continue using it till the new system arrives ? Thank You.

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• How to access Windows Server 2008 R2 file shares from a different subnet

  - by Lloyd Cotten

  We have a couple of severs that used to be Windows Server 2003 that we recently upgraded to Windows Server 2008 R2. A couple of details to set the situation up: We wiped the OS and re-installed. These servers are on one subnet (172.16.x.x) and we are trying to access some file shares on them from another subnet (10.34.x.x). Firewall is disabled on these servers. Trying to access with UNC "\172.16.x.x\sharename" and net use \172.16.x.x However, we're having problems doing this. We are getting "The network path was not found". Here's some of the things we've tried so far and the result: Tried accessing the share from other (non-2008) servers on the same subnet... Success! Ping servers from different subnet... Success! Telnet connection into port 139 from different subnet... Success! Took a scan through Local Security Policies to see if something obvious needed to be enabled / disabled / configured... Fail I'm not sure where to look next. I know that the router between the two subnets is locked down pretty good, but this did work for our 2003 servers. Has anything changed in the way of ports used for UNC / file share access in 2008? Maybe I'm missing some security policy setting? Hoping somebody can take pity on a poor programming guy that can't figure out something really simple. :-) Thanks!

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• How to make WordPress "Add/Edit Post" form more Tumblr like?

  - by Eliot Sykes

  Hi, WordPress requires you give each blog post at least two fields: a title and text body content. I'm wondering how to modify WordPress admin so I can sometimes enter a single field for a blog post, in particular a URL, without WordPress requiring a title (related but not the point of this question: a custom theme would then know how to handle a post that only contained a URL, it would treat it like a "Link" post in Tumblr). Ideally it'd be good if the "add/edit post" form could be modified so it only contains this single URL/Link field when this is wanted. I'm guessing this is possible through a plugin but I'm not certain. I'm hoping some smart WordPress devs are here to share and brainstorm ideas for how this could be done. Thanks in advance for any help, Eliot

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• How to work with BufferedImage and YCbCr colorspace?

  - by Onlyx

  Hi everyone! I need to translate colors in bitmap loaded to BufferedImage from RGB to YCbCr (luminance and 2 channels chrominance) and back after process. I made it with functions used like rgb2ycbcr() in main method for each pixel, but it isn't so smart solution. I should use ColorSpace and ColorModel classes to get BufferedImage with correct color space. It would be more flexible method, but I don't know how to do that. I'm lost and I need some tips. Can somebody help me?

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• Alignment of Hebrew Vowel points in Android

  - by Aharon Manne

  I want to display Hebrew text with vowel points (nikkud) using the Canvas.drawText interface. The vowel points come out misaligned, as in the following image taken using a Motorola Defy+ device: The hiriq is between the resh and the yod, the holam between the vav and nun. I have added the rtl code (\u200F) to the string at both ends, no joy. I know that there are applications that have solved this problem, such as the Smart Siddur. Is there a difference between text-based applications and graphics based? I would think that the same engine renders the text in both cases. I suppose I could split up the string and place the vowels separately, but that seems pretty painful and not extensible. TIA for any clues.

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• C++: building iterator from bits

  - by gruszczy

  I have a bitmap and would like to return an iterator of positions of set bits. Right now I just walk the whole bitmap and if bit is set, then I provide next position. I believe this could be done more effectively: for example build statically array for each combination of bits in single byte and return vector of positions. This can't be done for a whole int, because array would be too big. But maybe there are some better solutions? Do you know any smart algorithms for this?

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• Can't access certain web sites - reset router, any ideas?

  - by IniTech

  EDIT: This problem was resolved by my ISP - had to do with damaged fiber in one of their locations. Thanks to everyone that helped. Not sure if this is the right site (I'm a StackOverflow user) so I thought I'd give it a shot. I'm having trouble connecting to certain sites on any of the 3 machines that are on my LAN. The following sites are returning "Problem Loading Page - The connection has timed out" Sourceforge.net CNet.com Microsoft.com OpenDNS.com even my company's webiste I was worried about possible malware/virus, but I don't think that is the case (given the inability to access my company's site and the fact that all 3 machines are having the same issues.) I've tried with IE8, FF, and Chrome I have reset my router (WRT54G) and my machine(s) multiple times. EDIT: It is also worth noting that this page spins constantly and no avatars show up (I'm assuming it is trying to access gravatar.com with no success.) EDIT: I have the same issues directly connected to the modem. So, any router config is probably not the issue I'm a programmer, not a network guy - any ideas?

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• What are the best options for a root filesystem hosted on SSD under Linux

  - by stsquad

  I'm working on an embedded system which is going to be booting and hosting it's rootfs on an SSD disk. We are currently looking at using Intel X-18M SSDs. The file system structure will have a fairly static /usr section (modulo software upgrades) and an active /var and /var/log for maintaining state and logging. Given the wear-levelling done by the underlying flash does having separate partitions help or hinder? As modern SSDs appear as straight block devices and hide their mapping magic behind their firmware is there any point trying to optimise the choice of file-system that sits on-top of the SSD? Finally does enable SMART monitoring make any sense in this context or are their SSD specific ways of determining the underlying health of the storage hardware?

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• /regexp?/ on HTML, but not in form

  - by takeshin

  I need to do some regex replacement on HTML input, but I need to exclude some parts from filtering by other regexp. (e.g. remove all <a> tags with specific href="example.com…, except the ones that are inside the <form> tag) Is there any smart regex technique for this? Or do I have to find all forms using $regex1, then split the input to the smaller chunks, excluding the matched text blocks, and then run the $regex2 on all the chunks?

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• SQL Server 2008 Bring Database Online trying to open a file from a drive that doesn't exist

  - by Nai

  This is my error I am facing TITLE: Microsoft.SqlServer.Smo Set offline failed for Database 'Go3D_Retailer ------------------------------ ADDITIONAL INFORMATION: An exception occurred while executing a Transact-SQL statement or batch. (Microsoft.SqlServer.ConnectionInfo) Unable to open the physical file "E:\Program Files\Microsoft SQL Server\MSSQL10.MSSQLSERVER\MSSQL\DATA\ftrow_Go3D_catalog.ndf". Operating system error 2: "2(failed to retrieve text for this error. Reason: 15105)". Database 'Go3D_Retailer' cannot be opened due to inaccessible files or insufficient memory or disk space. See the SQL Server errorlog for details. ALTER DATABASE statement failed. (Microsoft SQL Server, Error: 5120) Background to this error I've been trying to move my destination logshipping database to another physical server for analysis purposes. Because I do not have domain keys and active directory set up, I had to hack my process by using the same username/password for both the source and destination servers to get the process to work. Following that, I used this guy's solution to move the destination database to another server. However, this error occurs when I try to bring the database back online. I don't have an E drive on my server and I have no idea why it's trying to open a file from E drive. I have over a 100gb left on my hard disk so it's definitely not a space issue. This sounds like a bug... Any ideas?

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• Can you transfer a Windows 7 XP-mode VHD to a new PC without the need for reactivation?

  - by Henk

  Hi. At the moment I am running Vista 32 bit and use VPC 2007 a lot. I have several W2000 VMs set up with complex software configurations. For me, one of the advantages of working with VPCs is that a VM can easily be copied to another PC (like a notebook). Also, when I move to a new PC, I can immediately work with my existing VMs without the need to reinstall all applications. I am thinking about buying a new pc with Windows 7 64 bit pro, and using the xp-mode VM that comes with Windows 7. The advantages would be support for more memory (so being able to run more VM's simultaneously) and having a licenced XP VM. I would like to know if you can transfer a VHD that is based on the xp-mode VHD to another machine without Activation issues. The other machine will of course, also be running W7. I would guess that this would not be a problem. However, I did read about a guy who had to reinstall his W7 because of a harddisk failure, and could not access his xp-mode VHD anymore because it demanded re-activation. Thanks. Henk.

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• Windows XP Home Edition SP3 cant recognise PCMIA SD Card

  - by Pozo

  System Specifications: Laptop : Dell Inspiron 6000 OS: Windows Home Edition SP3 SD Adapter: Hagiwara Smart Media Adapter I inserted the card into the slot, windows xp recognises the device, lists the pcmia controller on the device manager list, an entry appears under the IDE ATA/ATAPI category on the device manager as well. However, the device does not show under my computer and the driver does not get assigned a letter number. I checked the system logs from the device manager and there were no logged errors. Checking the Hagiwara support website, the manufacturer indicates that the adapter driver is the same as the windows xp pcmia controller. Checking Dell's website, no specific drivers were listed for that either. General Search on the web indicates that multiple people face similar problems with their SD cards, yet none actually spell out the route issue that causes this. Please let me know if you have any suggestions for further debugging. Thanks in advance

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• Is .htaccess slowing down my dedicated server?

  - by David Robles

  First of all, I consider myself more a programmer than a servers guy. I have a website where I receive about 3,000 visits per day, which I think is a lot less than the max capacity for a dedicated server. However, I've noticed that the connection to the website is pretty slow, e.g., to load images, to connect to it via SSH, etc. I configured .httaccess recently to avoid hotlinking to images in my server (i.e. .jpg, .gif and .png), and I was wondering if that could be slowing down my website. This is the configuration that I have: # BEGIN WordPress <IfModule mod_rewrite.c> RewriteEngine On RewriteBase / RewriteEngine on RewriteCond %{HTTP_REFERER} !^$ RewriteCond %{HTTP_REFERER} !^http://www.mysite.com/.*$ [NC] RewriteCond %{HTTP_REFERER} !^http://www.mysite.com$ [NC] RewriteRule .*\.(jpg|jpeg|gif|png|bmp|swf)$ http://www.google.com/ [R,NC] RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule . /index.php [L] </IfModule> # END WordPress I found some code to do that in google, and I just copied to .htacces since I'm not an expert in apache. It works, but I don't know if that is the best way to do it. How can I see if that is the reason why the server is slow? Are there any tools to monitor it? What would you do guys? Thanks in advance!

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• Is man-in-the-middle attack a security threat during SSH authentication using keys?

  - by JP19

  Hi, I am no expert in network security, so pardon if this question is not very smart :). I am automating logins to some machines using ssh. I am currently avoiding host-key warnings using StrictHostKeyChecking no. I naively understand that someone can impersonate as the server and I risk losing my password to him if that were the case. However, if I am using only public/private Key based authentication ( using PasswordAuthentication no ), can the intruder still cause harm? So basically, with ssh -o "StrictHostKeyChecking no" -o "PasswordAuthentication no" : 1) Can the intruder decipher my private key? 2) Are there any other security threats? regards, JP

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• A controller problem using a base CRUD model

  - by rkj

  In CodeIgniter I'm using a base CRUD My_model, but I have this small problem in my browse-controller.. My $data['posts'] gets all posts from the table called "posts". Though the author in that table is just a user_id, which is why I need to use my "getusername" function (gets the username from a ID - the ID) to grab the username from the users table. Though I don't know how to proceed from here, since it is not just one post. Therefore I need the username to either be a part of the $data['posts'] array or some other smart solution. Anyone who can help me out? function index() { $this->load->model('browse_model'); $data['posts'] = $this->browse_model->get_all(); $data['user'] = $this->browse_model->getusername(XX); $this->load->view('header'); $this->load->view('browse/index', $data); $this->load->view('footer'); }

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• Flex: Would a computational engine for a Connect-4 type game be too slow?

  - by Robusto

  OK, I was just fooling around in my spare time and have made this cool interface and game-playing code for a Connect-4 type game, written in Flex and playable by 2 human players in Flash. It accurately detects wins, etc. I'm smart enough to know that I've done the easy part. Before I dig into an AI for game play, I wanted to ask if this is the kind of thing that can really be handled computationally by a Flash plugin. It seems to me that for every turn up until the end there are 8 possible moves, 8 responses to each move, etc. So wouldn't a perfect engine have to be able to potentially see 8^8 moves (over 16 million), and a fairly good engine see up to a million? I don't know game coding so this is new to me. What's a reasonable move horizon for such a game to be able to see?

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