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• Trac/SVN to DVCS Migration

  - by quanticle

  The project I'm currently working on is using Trac, with SVN integration. It's worked great until now. Now, however, we've taken on some additional developers and we're running into issues with branching and merging. Because of this, I think a move to a distributed version control system is in order. The problem is that Trac is very closely integrated with the SVN repository. We have tight integration between the tickets and the revision numbers of code changes corresponding to those tickets. In addition we have a support wiki that has a lot of data that helps the tech. support team. Is there a way we can migrate to git or mercurial without losing the benefits of Trac? I've looked at the git plugin for Trac, and I'm unsure of how well it works. Has anyone here used it with a project that's been migrated from SVN? EDIT: I should note that the most important priority for us is maintaining the links between Trac tickets and the corresponding changesets in SVN. That's a tool that we use every day, and it provides an easy way to jump to code changes when reviewing tickets. Wiki migration would be nice to have, but if it's not possible, we can continue to run the old system whilst we write some kind of a one-off script to migrate the content.

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• How do I remove Windows Update uninstall files on Windows Server 2008?

  - by Robert Koritnik

  I'm running Windows Server 2008 Standard running in VMware. It has 2 disks: system disk: 16 GB data disk: 500 MB I installed Visual Studio 2008 SP1 + MSDN and some small tools and libraries that don't take much space. Over time the system disk's free space has been going down (I suspect because of regular system updates - NetFx (.NET), service packs, and regular updates). Questions 1 How do you remove Windows Update uninstall files from Windows Server 2008? Question 2 I also found lots of files in C:/Windows/Installer folder. Is it possible to determine which .msp file goes with which patch? I would like to delete some of them, because they do take a lot of space.

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• Random compositing lag

  - by user1020567

  My laptop specs: 512 mb of RAM, out of which 64 mb are shared with an integrated GPU - ATI Radeon Xpress 200 M. Intel 1,6 Ghz Celeron M single-core processor. I've spent months trying to figure out why compositing and effects sometimes lag on any distro I try. Now I've come to realise that no matter what drivers I try (the default ones work for me on pretty much any linux) compositing lag is random. When I used Ubuntu 10.10, for example, sometimes window compositing would lag and sometimes it wouldn't. The PC is able to render those effects so hardware is not the problem. It's completely random and unpredictable - sometimes when I turn on the computer the effects lag horribly and sometimes it's completely smooth. I've also checked startup items and there doesn't seem to be any unnecessary entries. I also tried building my own OS with Arch Linux and the problem persists there, therefore I can only assume that it's a driver issue of some sort. By default there are lots of drivers supplied with linux distributions. Could it be that they're in the way? The ones that I need are ati/radeon (or both? What's the difference between them?) and there seem to be a lot of others... What should I do?

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• Pipe an infinite stream to internal loop?

  - by Sh3ljohn

  I've seen a lot of things about redirecting stdout to a TCP socket, but no real example of how to do it in practice, specifically when the output stream generated by the first "command" never ends. To talk about something concrete, let's take programs like servers that typically output their log endlessly to stdout (well, as long as they run). If you redirect the output to a log file on the disk, then this file is always open (therefore not readable by others?) and grows infinitely, which eventually is going to cause problems. This might be a nood question, but I don't know what it does or how to do it so. How to redirect the output of a command to the internal loop? I want to make sure that data is sent EVERY time something is written to stdout, and that the pipe won't wait for the command to end (never happens ideally!). Is that right? If 2 is true, is there a buffer system to send chunks of data once it reaches a certain size only? Could you give me concrete command line examples to do the above? Thanks in advance

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• Twitter "Authentication Error" Turpial & Choqok (latest versions)

  - by PineMarten

  I use Turpial a lot, but Turpial isn't connecting at all. I can still connect to Twitter thru the OS app (no issues signing in through Online Accounts) and of course I can still sign in using the browser, but Turpial gives me an "Authentication Error" and Choqok fails to do anything. I've tried changing my password, revoking the Turpial and Ubuntu apps in Twitter and re-enabling them, but then it gives me an "Invalid Credentials" message. I've even removed and installed Turpial multiple times, still nothing. I can't find any information or resources for this type of error from Turpial online. I think it may be something recent after finding this message elsewhere: (article related to "Birdie") It looks promising i'm currently using it atm, since all the other twitter clients no longer work due to the API 1.0 shutdown (posted today) I've never used Choqok before today, so I don't even know if I've set it up properly. It's failing to retrieve or send Tweets it just blank screens, but at least it signs in. I've figured that this isn't an issue with Ubuntu, or Turpial or Choqok, or the router (already replaced it today), so I don't really know what I'm dealing with here. I hope it's not another API issue, Facebook did something similar just a few weeks ago

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• Asus A8V overcurrent

  - by user139710

  This is not as much as a question as it is a note to those out there that upgrade their motherboards with better processors and the like. Here's my story. Recently I upgraded my processor. System specifications: • Asus A8V Deluxe • 4GB RAM • ATI Radeon 3870 AGP graphics card (I believe that's it) Anyway, I decided to put a dual core Opteron 180 in this rig, but the problem was that I needed to update the BIOS to V-1017, and not knowing the consequences, I went up to the Asus site and got the newest, the latest and the greatest, 1018.002 thinking that it was the best for this board, however it wasn't. I used the Asus EXFlash, which makes life a lot easier, flashed the BIOS and all of a sudden I start getting this message: USB overcurrent protection, system shutting down in 15 seconds to protect your system. WELL SHIT... This is a new one on me... I read the blogs, all the posts on this thing, and did all that everyone else did to correct the problem, but nothing helped. So i decided to start from square one, went back to Asus and looked at the BIOS download... OMG... IT WAS A BETA. So, I downloaded the update that was suggested 1017< and installed it and wouldn't you know, it took care of the problem, no more USB overcurrent protection, no more crashing. I write this today to let you all know about this, just in case you have an issue such as this. Well there you all go. Fly safe and eat your vegetables.

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• What sorts of tools make a Django Developer valuable? [closed]

  - by MrOodles

  I am a Django Consultant and I want to increase the value that I provide to clients. My first question was an epic failure according to the FAQ. So I'll try again before I delete it. What types of tools should a Django developer have in his tool belt to increase the value to the client? Would a collection of project templates be useful? Are there open-source project templates available that can be forked and altered? Is there a proper way to configure templates to include dependencies for certain types of projects? What about deployment scripts using tools like Puppet or Chef? Does it make a lot of sense to fork Django apps on GitHub and make contributions to open source projects there? Would clients percieve extra value in programmers that are contributing to open source projects? Are there industry best practices for implementing continuous integration in a Django project? I want the answer to be open ended, as I'm at the beginning of my research. I am curious to know what sorts of tools other Django consultants use on a daily and per-project basis, and how they use them.

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• Pure functional programming and game state

  - by Fu86

  Is there a common technique to handle state (in general) in a functional programming language? There are solutions in every (functional) programming language to handle global state, but I want to avoid this as far as I could. All state in a pure functional manner are function parameters. So I need to put the whole game state (a gigantic hashmap with the world, players, positions, score, assets, enemies, ...)) as a parameter to all functions which wants to manipulate the world on a given input or trigger. The function itself picks the relevant information from the gamestate blob, do something with it, manipulate the gamestate and return the gamestate. But this looks like a poor mans solution for the problem. If I put the whole gamestate into all functions, there is no benefit for me in contrast to global variables or the imperative approach. I could put just the relevant information into the functions and return the actions which will be taken for the given input. And one single function apply all the actions to the gamestate. But most functions need a lot of "relevant" information. move() need the object position, the velocity, the map for collision, position of all enemys, current health, ... So this approach does not seem to work either. So my question is how do I handle the massive amount of state in a functional programming language -- especially for game development?

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• How do 2D physics engines solve the problem of resolving collisions along tiled walls/floors in non-grid-based worlds?

  - by ssb

  I've been working on implementing my SAT algorithm which has been coming along well, but I've found that I'm at a wall when it comes to its actual use. There are plenty of questions regarding this issue on this site, but most of them either have no clear, good answer or have a solution based on checking grid positions. To restate the problem that I and many others are having, if you have a tiled surface, like a wall or a floor, consisting of several smaller component rectangles, and you traverse along them with another rectangle with force being applied into that structure, there are cases where the object gets caught on a false collision on an edge that faces the inside of the shape. I have spent a lot of time thinking about how I could possibly solve this without having to resort to a grid-based system, and I realized that physics engines do this properly. What I want to know is how they do this. What do physics engines do beyond basic SAT that allows this kind of proper collision resolution in complex environments? I've been looking through the source code to Box2D trying to find out how they do it but it's not quite as easy as looking at a Collision() method. I think I'm not good enough at physics to know what they're doing mathematically and not good enough at programming to know what they're doing programmatically. This is what I aim to fix.

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• Find keyword values from PDF [closed]

  - by JukkaA

  I have a lot of PDF reports I'd need to index. They're mostly "text-based PDFs", not images. I know they all have account number in certain format, 123456AAAAA and some other keyword info like addresses, customer names etc. needed in indexing these files. Basically if the file is ab.pdf, I need to create ab.txt that contains: ACC=123456AAAA Customer=John Doe Date=20120808 What would be the best software/solution to generate indexing information for these? I know there's pdftotext, but piping it to different grep/awk commands is a hack... It would be nice to specify an area in PDF to search for the account number, and specify the format it is in.

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• Excel - working in a bank

  - by Einsteins Grandson

  I am supposed to go to an interview to a bank for just supporting managers in projects. It's a part-time job and the thing is that bank uses Excel for everything. Modifications of tables of really lot of data... What can I expect to find in the test of Excel? I have some books that are around 1000 pages thick but I don't have time and also don't feel like reading everything that's in them. These are the books that I have: http://www.amazon.com/Excel-2010-Bible-John-Walkenbach/dp/0470474874/ref=sr_1_1?ie=UTF8&qid=1347571864&sr=8-1&keywords=excel+bible http://www.amazon.com/Excel-2010-The-Missing-Manual/dp/1449382355/ref=sr_1_1?ie=UTF8&qid=1347571884&sr=8-1&keywords=Excel+2010+The+Missing+Manual http://www.amazon.com/Microsoft-Excel-2010-In-Depth/dp/0789743086/ref=sr_1_1?ie=UTF8&qid=1347571904&sr=8-1&keywords=Microsoft+Excel+2010+In+Depth So, anybody knows a good online tutorial or a book that would contain the basics and was not that much thick? ;-) Thanks so much!!!

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• backuppc - how to backup remote (over the internet) clients?

  - by Scott

  I am testing out backuppc, which works great so far backing up windows clients on a LAN via SMB (no backup client/agent required). However I have quite a few laptops and desktops that are in various remote locations - some of which move around. I need some way to have that remote computer create an outgoing connection for backup purposes (Windows XP/7). I know backuppc supports smb, rsync and 'tar', but I believe these are all connections going from the server TO the client. SO, I either need a way to vpn the client on a timed basis, or it would be a lot better if the client could some how connect to the server (ssh?) and initiate it's own backup somehow (rsync?). Of course this all needs to be pre-installed by me and require no maintenance by the end user, no dialogs on their side. What do you think?

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• Fosfor EPUB Reader

  - by Geertjan

  Instead of creating a fullblown NetBeans Platform application for doing WYSIWYG editing for EPUB, similar to Sigil, I decided to focus purely on the very narrow scope of EPUB reading. The scope is narrower and, since the application will be a lot less ambitious and smaller, a pure JavaFX implementation makes sense. When you somehow get, e.g., buy, an EPUB file, you typically read it on a tablet or mobile device. However, some people in the world, e.g., me, still have laptops. Therefore, I'm creating a small JavaFX application that unzips EPUB files, into a temp directory, and then loads them into a JavaFX WebView. Arabic support: For an application like this, simplicity is the most important thing. Very few buttons, very few options, preferably no configuration of anything. Just let the user open the EPUB file and read it, that's it, nothing fancy. CSS stylesheets and images are correctly read. It's exactly what it looks like, a reader for EPUB files. The back and forward buttons are working and you can also switch to the table of contents. When it is complete, which it pretty much is right now, publishers of EPUB files can make this small app available from their site, to simplify life for their readers, since it will run easily and well on all operating systems.

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• how to get bash prompt on login

  - by user419534

  When I connect to remote machine uisng ssh, by default it is not on bash prompt. To get bash prompt by default on login I did as below by create .cshrc file in my home directory if ($?prompt) then setenv SHELL /bin/bash exec $SHELL -login endif It works well and I am getting bash shell but I have another file as .bashrc in my home directory which gets executed when i run bash explicitly and I have done lot of customization in this file as per my requirement. Is it possible to get my .bashrc executed somehow from .cshrc or some other way? For example I need to go connect to host B from host A, I do this From A - ssh B this brings host B but not with bash prompt. To get bash prompt I created .cshrc as mentioned above but my above code snippet does not call my .bashrc script.

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• can I achieve my dreams without a degree? [closed]

  - by Dhananjay

  It's really giving me a lot stress as my parents saying me to join college but I don't want. I know I can learn all programming by self studying but they keep saying join college otherwise no one will give you job. I always think positive but sometimes I also start thinking like them (what if my life will be spoiled if I do not go to college) There are so much things on internet. I can learn c++, objective c, java, AI, html, php all through internet (at least I think that I can learn whole by self studying and I can give 10 hour/day easily for studying) and I will keep practicing and become a good programmer in 2 years and then try to do some job for experience so no need to waste 4 years just for studying things which I can learn in 2 years and no need to waste money on college because they teach physics, chemistry all in first 2 years and I only want to study comp. Science. But now again I am thinking negative that what will happen if I do not get degree and what will I do after learning programming if I don't get job? Please suggest what should I do? Should I join college? or self study? Can I achieve my dreams without a degree if I study hard and learn many things? I have full confidence that I can self teach myself better than they will teach in college. I will open my app company and many more. But maybe I am over confident because I don't know what happens in real world. How they treat a person without degree, etc. Anyone of you had gone through this condition? What did you do?

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• apache running but site not accessible

  - by Shyam

  Am pretty new to server administration. So I am not able to get to the root of the problem. I am running Apache2 with mod_php on a 1GB Rackspace Cloud Server (Ubuntu 9.10). My site goes down often, and I have to restart apache2 to get the site working. I checked the "error.log" file. There were no signs of any error messages. I even searched for words like [error] / error / warn / [warn] . But no results. The site goes down and even then apache is running. When the site was down, the checked the status /etc/init.d/apache2 status and it gave ** * Apache is running (pid 433). ** Any suggestions where I should look for the problem. Thanks a lot.

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• Extracting httpdocs from Plesk Panel 9.5.4 Webserver backup file

  - by Paddington

  Good day, I am having problems manually extracting domains from Plesk 9.5 backup that was FTPed onto my back up server. I have followed the article http://kb.parallels.com/en/1757 using method 2. The problem is here: zcat DUMP_FILE.gz DUMP_FILE My backup file CP_1204131759.tar is a tar archive and zcat does not work with it. So I proceed to run the command: cat CP_1204131759.tar CP_1204131759. But when I try # cat CP_1204131759 | munpack I get an error that munpack did not find anything to read from standard input. I went on to extract the tar backup file using the xvf flags and got a lot of files (20) similar to these ones: CP_sapp-distrib.7686-0_1204131759.tgz CP_sapp-distrib.7686-35_1204131759.tgz CP_sapp-distrib.7686-6_1204131759.tgz How best can I extract the httpdocs of a domain from this server wide Plesk 9.5.4 backup?

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• xubuntu 12.04 screen regularly stops refreshing, refreshing resumes after un-/re-maximizing a window

  - by user68477

  My screen frequently stops completely refreshing. I can make it resume refreshing by un-maximizing/re-maximize a window or by switching workspace (the un-/re-maximizing works every time. Switching workspace sometimes has to be done a couple of times). The immediate impression is that the system is frozen: there is apparently no reaction to anything I do but interestingly window title bar will change, if I switch application with (i.e alt+tab or browse through folders) I saw an identical issue in ubuntu 10.04, though a lot less frequent, I never saw this in ubuntu 12.04 (which I have been using the last 4-5 months). After switching to Xubuntu I'm seeing this again and more frequently. The specific reason I'm not sure this is a bug: I installed gnome-control-center which dragged in tons of packages. This was while trying to fix dual-screen setup. I believe the issue surfaced after this. I later meticulously removed every package from this batch (purge) in the hope that every setting would also be removed. But the issue has persisted. Another issue happened at the same time, it may be totally unrelated but it feels as if it is the same basic issue: the screen resolution of the greeter became less than the expected 1680x1050 and often after login there's just a blank and totally unresponsive wallpaper without panel so I have to force reboot. When the login is successful it's very clear that it works hard to determine the correct resolution which is achieved after a few blink to black screens. My questions: 1) Is this a settings issue or a bug? 2) How do I begin to research the issue - could I perhaps some way reset xubuntu/xfce to default. 3) If this is a bug where would be the most appropriate place report this? System: Thinkpad T500 ati radeon HD 3650 $ fglrxinfo display: :0.0 screen: 0 OpenGL vendor string: Advanced Micro Devices, Inc. OpenGL renderer string: ATI Mobility Radeon HD 3650 OpenGL version string: 3.3.11627 Compatibility Profile Context $ uname -a Linux srvname 3.2.0-32-generic #51-Ubuntu SMP Wed Sep 26 21:33:09 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux xfce 4.10 Compiz 0.9.7.8

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• Need advice: Staying techie or going the MBA way?

  - by SharePoint Newbie

  I know this is a very subjective question and I am the best person to decide this for myself...but I am just looking for your views. I have 5 years of experience as a professional developer. I have a decent background in Maths and have done my bachelors in engineering in CS. I have still not reached a stage in my career where growth is difficult and do not foresee this happenning for a very long time if ever because I find myself constantly (self) motivated to pick up new skills. A lot of my friends have however been getting through their MBA lately ...and not from the likes of Harvard or Kellogs, just mediocre colleges. They've however been landing paychecks fatter than me even though they have little or no work experience. Given that I have the option of pursuing an MBA an have my finances in order (and am planning an MBA from INSEAD / IE) would it make sense for me to sell out what I like doing and go for an MBA? Will I regret not doing an MBA later, given that I am in the right age/experience group to do an MBA? I absolutely love what I am doing right now and also the people I'm doing it with, but am just worried if this career would be as rewarding financially as the one after a management degree.

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• Install Trac Without Setting Up a VirtualHost in Apache?

  - by jobu1324

  I'm trying to set up Trac to test out it's functionality, and the only guides I can find online talk about setting up a VirtualHost. Right now I am under the impression that I need access to a DNS server to properly use the VirtualHost directive, and for various reasons I don't have access to one. Is it possible to set up Trac without setting up a VirtualHost? I haven't had any luck. If I run the site with tracd, it works - which means that at least part of it is set up properly. Right now all I have is an Apache Directory directive pointing to /pathToTracSite/htdocs/, and when I visit the trac location, all I get when viewing the site from a browser is an empty directory (which makes sense, because htdocs/ is empty). My server is running Apache2 I know I'm missing a lot here, because I don't understand Apache the Trac system very well - any help would be appreciated.

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• wamp alias appearing in localhost instead of another

  - by tournskeud

  I created various aliases on Wamp to be able to work on my different projects. Strangely, one of my alias is visible when I call the other. They have the same ".conf" file : Example : ##### ## x.dev ## DOMAINE x ##### NameVirtualHost x.dev <VirtualHost x.dev> DocumentRoot C:/wamp/www/x/ ServerName x.dev ServerAlias www.x.dev en.x.dev </VirtualHost> Also, I have a "Hosts" file including both of the alias. Wamp config : PHP: 5.4.12 Apache: 2.4.4 Someone have an idea of what is going on ? Thanks a lot in advance,

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• DIsable my nv video card driver in linux

  - by Dahaka Wang

  I'm trying to passthrough my nv video card to my domU, but I could not bind my video card to the pciback driver I only have one video card with the pci number 0000:03:00.0, so I used the following command echo -n "0000:03:00.0" > /sys/bus/pci/drivers/nouveau/bind to unbind the nouveau driver from my video card. The screen went black because I have forcefully removed the video driver, therefore I ssh'd into the computer to run further commands I ran: echo -n "0000:03:00.0" > /sys/bus/pci/drivers/pciback/bind to try to bind it to my pciback driver, but I got: bash: echo: write error: No such device I found out that this was the message shown when trying to bind a PCI device which is already bound. Therefore, I think that something was still using my video card Can anyone help me out? Thanks a lot!

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• When does a programmer know when a new job is not right?

  - by Mysterion

  I believe that the interview process is a selling of both parties - what can the employee offer the employer and vice versa. Assuming an individual has been careful in selecting their new employer (via thorough questioning in the interview process), however when they arrive at the job they find the employer has not been honest about certain aspects of the job. Examples of this dishonesty could include: The employee making it clear that technical excellence is an important factor, which is promised by the employer, but is not fully delivered or a good technical structure does not exist. The employee states they want to work on well architected and short (lets say less than 1 yr) long projects, yet when they start they find they are placed on a poorly architected older project. The employee being told of a pair programming environment to get him up to speed on the project, but being left to his own devices/questioning on arrival. The employee is promised a culture that encourages innovation and technical excellence but finds that this is not the case (eg. using technology for knowledge retention is laughed at). I know that a lot of famous developers feel that you make the place you work at. Is it realistic for a new employee with limited experience in the industry (say less than 5 years) to be able to join the company and change attitudes or even challenge the employer on the perceived dishonesty? Should they stay in this job or cut their losses?

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• Job queueing in Toast Titanium 10?

  - by moonslug

  I have a bunch of .MP4 video files I'm burning to DVD-Video using Toast Titanium 10 on my MacBook Pro. Right now, I'm doing them one at a time. Because my computer is several years old, encoding video for a single DVD takes approximately six hours. I've discovered that it appears I can encode the video directly to a .toast format — however, I have yet to figure out if I can burn these directly to DVD. Also, I have quite a bit of video left to burn, and even that method would require me intervening manually to start a new encoding or burn job every six hours. Would it be possible to somehow queue up multiple DVD-Video encoding jobs at once, and have the computer work through them automatically? The actual writing to DVD disc doesn't take nearly as long, and if I had all my video encoded for me to begin with my job would be a lot quicker. Maybe this can be accomplished with a different piece of software?

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• How can I add metadata to NTFS files/folders?

  - by Pwdr

  I want to tag different file types (i.e. .pdf, .epub, .iso, .bin, folders,..) using the same descriptive fields. For example i would like a metadata field "type" which would be "eBook" on pdf- and epub-files, "CD-Image" on iso- and bin-files. I read about Alternate Data Streams (ADS) to make this possible. Does anyone know a good program for Windows 7 to tag different files and search for them? It is important for me, that the metadata is NOT stored in a separate database. I move the files a lot and need to stay flexible (ADSs 'stick' to the files). Any ideas?

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