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  • Personal knowledge base [closed]

    - by AlexLocust
    Possible Duplicate: How do you manage your knowledge base? Hello. Now I am using easy writing pad for scratches while doing some researches, solving troubles or doing workarounds. But.. you now, it's really difficult to remember all details of founded solution and it's alternatives after few months. And writing pad is not wery useful. Usually writing pad doesn't contains half of needed inforation: links founded in internet, output of some test commands and etc. Now I'am looking for a tool for storing information about my researches and it's results. Basic reqirements: ability to store files; ability to store formatted text (kind of HTML will be nice) with hyperlinks and code snippets; tags on notes; easy to use. Now I'am thinking about some kind of file-system organized storage, but I think it will be inconvenient. Another thinks is local wiki or blog. So, my question is: How do you organize you knowlege base? What tools do you use, and what "pros and cons".

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  • Why old (301) links stay on Google when breaking site down to multiple domains

    - by Sampo Sarrala
    Some background: We did have single site and single domain (let's call it mainsite.com) with product information, however things have changed since and product database has grown fast. So we decided to move some major products/manufacturers under their own domains (let's call one of them subsite.com) while still using our main database/codebase. What we've done: Added subsite.com domain for product 1 by Great Products Co. Some new nice looking front pages, info pages, etc. Detail pages that will use information from original db. Redirected product/group links from mainsite.com using 301 redirect. Verified that redirects works as expected. Waited some time for Google reindexing (over 30 days, I've heard it should be more than enough). Results: If I search our moved products from Google then it will found them and list them but with old links to our main page like mainsite.com/group/product1 but it should show link to new site subsite.com/product1. Links from Goole redirects as they should, as said redirects are verified [301]. Main question: Any reasons why Google would not follow 301 redirects and update links so that they will point to our new mfg/product site subsite.com?

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  • Is it possible to implement an infinite IEnumerable without using yield with only C# code?

    - by sinelaw
    This isn't a practical problem, it's more of a riddle. Problem I'm curious to know if there's a way to implement something equivalent to the following, but without using yield: IEnumerable<T> Infinite<T>() { while (true) { yield return default(T); } } Rules You can't use the yield keyword Use only C# itself directly - no IL code, no constructing dynamic assemblies etc. You can only use the basic .NET lib (only mscorlib.dll, System.Core.dll? not sure what else to include). However if you find a solution with some of the other .NET assemblies (WPF?!), I'm also interested. Don't implement IEnumerable or IEnumerator. Notes The closest I've come yet: IEnumerable<int> infinite = null; infinite = new int[1].SelectMany(x => new int[1].Concat(infinite)); This is "correct" but hits a StackOverflowException after 14399 iterations through the enumerable (not quite infinite). I'm thinking there might be no way to do this due to the CLR's lack of tail recursion optimization. A proof would be nice :)

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  • IT Optimization Plan Pays Off For UK Retailer

    - by [email protected]
    I caught this article in ComputerworldUK yesterday. The headline talks about UK-based supermarket chain Morrisons is increasing their IT spend...OK, sounds good. Even nicer that Oracle is a big part of that. But what caught my eye were three things: 1) Morrison's truly has a long term strategy for IT. In this case, modernizing and optimizing how they use IT for business advantage. 2) Even in a tough economic climate, Morrison's views IT investments as contributing to and improving the bottom line. Specifically, "The investment in IT contributed to a 21 percent increase in Morrison's underlying profit.." 3) The phased, 3-year "Optimization Plan" took a holistic approach to their business--from CRM and Supply Chain systems to the underlying application infrastructure. On the infrastructure front, adopting a more flexible Service-Oriented Architecture enabled them to be more agile and adapt their business and Identity Management helped with sometimes mundane (but costly) issues like lost passwords and being able to document who has access to what. Things don't always turn out so rosy. And I know it was a long and difficult process...but it's nice to see a happy ending every once in a while.

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  • Early Z culling - Ogre

    - by teodron
    This question is concerned with how one can enable this "pixel filter" to work within an Ogre based app. Simply put, one can write two passes, the first without writing any colour values to the frame buffer lighting off colour_write off shading flat The second pass is the one that employs heavy pixel shader computations, hence it would be really nice to get rid of those hidden surface patches and not process them pixel-wise. This approach works, except for one thing: objects with alpha, such as billboard trees suffer in a peculiar way - from one side, they seem to capture the sky/background within their alpha region and ignore other trees/houses behind them, while viewed from the other side, they exhibit the desired behavior. To tackle the issue, I thought I could write a custom vertex shader in the first pass and offset the projected Z component of the vertex a little further away from its actual position, so that in the second pass there is a need to recompute correctly the pixels of the objects closest to the camera. This doesn't work at all, all surfaces are processed in the pixel shader and there is no performance gain. So, if anyone has done a similar trick with Ogre and alpha objects, kindly please help.

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  • Gimpshop 2.8. Available for Win & Mac. No Linux version?

    - by Jorge M. Treviño
    Finally got around to upgrading 12.04 to 12.10. One of the nice things about the new version is that Gimp 2.8 is in the repositories. Installed and it's a far cry from the 2.2, 2.4 and 2.6 versions which were —at least from my untrained point of view– next to unusable. Now 2.8 is a much more intuitive, for Photoshop users at least, and I'm trying to really learn it. Browsing around, I found that there's s new version of Gimpshop, something that was a sorely amateurish attempt to a PS interface over an old Gimp version and sure to mess up your system. Seeing "2.8" prominently displayed in the page, I decided to try the Windows version. Oddly, there's a Mac version too but no Linux one. The link directs one to a non-existent file in one of the cloud storage sites. After the Win version was installed, I fired it up and, surprise!, it's exactly the same as I can tell without diving into menus and dialogs, as the plain vanilla Ubuntu version I have installed. Can anybody shed light on what goes on here? Is this a scheme to get inadvertent users to install some "optional extras" that come with the installer? Very curious about it (thanks God I'm not a cat ).

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  • Demo on Data Guard Protection From Lost-Write Corruption

    - by Rene Kundersma
    Today I received the news a new demo has been made available on OTN for Data Guard protection from lost-write corruption. Since this is a typical MAA solution and a very nice demo I decided to mention this great feature also in this blog even while it's a recommended best practice for some time. When lost writes occur an I/O subsystem acknowledges the completion of the block write even though the write I/O did not occur in the persistent storage. On a subsequent block read on the primary database, the I/O subsystem returns the stale version of the data block, which might be used to update other blocks of the database, thereby corrupting it.  Lost writes can occur after an OS or storage device driver failure, faulty host bus adapters, disk controller failures and volume manager errors. In the demo a data block lost write occurs when an I/O subsystem acknowledges the completion of the block write, while in fact the write did not occur in the persistent storage. When a primary database lost write corruption is detected by a Data Guard physical standby database, Redo Apply (MRP) will stop and the standby will signal an ORA-752 error to explicitly indicate a primary lost write has occurred (preventing corruption from spreading to the standby database). Links: MOS (1302539.1). "Best Practices for Corruption Detection, Prevention, and Automatic Repair - in a Data Guard Configuration" Demo MAA Best Practices Rene Kundersma

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  • Should a link validator report 302 redirects as broken links?

    - by Kevin Vermeer
    A while ago, sparkfun.com changed their URL structure from /commerce/product_info.php?products_id=9266 to /products/9266 This is nice, right? We don't need to know that it is (or was) a PHP page, and commerce, product_info, and products_id all tell us that we're looking at some products. The latter form seems like a great improvement. However, the change would have broken existing links. So, nicely, they stuck in 302 redirects. Visit http://www.sparkfun.com/commerce/product_info.php?products_id=9266 and your browser will issue GET /commerce/product_info.php?products_id=9266 HTTP/1.1 to which Sparkfun's servers reply HTTP/1.1 302 Found Location: http://www.sparkfun.com/products/9266 This 302 redirect is caught by Stack Exchange's link validator as a broken link. It's not broken it works just fine. Here, try it: http://www.sparkfun.com/commerce/product_info.php?products_id=9266 I understand that a 302 redirect is intended to be a temporary redirect, while a 301 should be used for permanent changes per RFC 2616. That said, Wikipedia and common practice use it as a redirect. Who is in error in this situation? Is this an error in Sparkfun's redirect implementation or in Stack Exchange's URL validator?

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  • How do create an encrypted system with multiple Linux distributions?

    - by niels
    A few weeks ago I created a completely encrypted system on a notebook and must say I like the idea. It's a little bit annoying to enter the password on every boot, but it's nice to know even if I loose the computer I don't give my data to other people. With the alternate-cd it's easy to do. Now I have to setup a new system where I want to combine the new idea with my usual usage strategy. There I have more partitions: 3 system, Home, Different Data-Partitions for vm-data, photo-data and mp3-data. The background is that I prefer not to update a system. I prefer to install the new version parallel to the old system. So I can easily test it. Obviously the Data-Partitions are used for both systems. My questions is, how can I easily combine both my strategy and the crypto-approach? Or is it impossible. The way to do the crypted stuff by hand is in my eyes to complicated.

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  • How to change system time or force a time sync

    - by cpury
    My laptop is probably running out of CMOS battery, I know I have to fix it soon, but until then, this very annoying issue keeps me from using it. Scenario: My system clock is reset to 15/12/08 11:00 AM every time I turn on my computer. This has all sorts of side-effects, one of the more annoying being that I can't log into my gmail. At first I just waited for a time sync to happen, as I have that activated and all. It never happened. I googled and didn't find any way of enforcing a time sync, which I found very strange. Is there really none? Setting the time and date by hand is also a problem. For my 12.10 installation, the time & date settings are bugged. I remember it being for my last, older installation as well, though. Of course the easiest way should be to just manually edit the date and time fields by entering a new date. This is possible in theory, but the changes are reverted as soon as the text boxes loose focus. The other way to do it is to click the +-buttons for a long, long time. The first time I did that, the changes weren't stored either. I found out that afterwards I have to switch from manual to internet-sync mode and wait ~5 seconds until the in the top left corner of my system the new time is shown, or otherwise it won't have effect. So a nice solution would be one of the following: Setting the time/date by hand, maybe via terminal, so I can just enter the right values. Or, a command that would enforce an immediate time sync, that I can run after booting. I know I have to change the batteries soon, but this is seriously keeping me from working...

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  • How to avoid big and clumsy UITableViewController on iOS?

    - by Johan Karlsson
    I have a problem when implementing the MVC-pattern on iOS. I have searched the Internet but seems not to find any nice solution to this problem. Many UITableViewController implementations seems to be rather big. Most examples I have seen lets the UITableViewController implement <UITableViewDelegate> and <UITableViewDataSource>. These implementations are a big reason why UITableViewControlleris getting big. One solution would be to create separate classes that implements <UITableViewDelegate> and <UITableViewDataSource>. Of course these classes would have to have a reference to the UITableViewController. Are there any drawbacks using this solution? In general I think you should delegate the functionality to other "Helper" classes or similar, using the delegate pattern. Are there any well established ways of solving this problem? I do not want the model to contain too much functionality, nor the view. I believe that the logic should really be in the controller class, since this is one of the cornerstones of the MVC-pattern. But the big question is: How should you divide the controller of a MVC-implementation into smaller manageable pieces? (Applies to MVC in iOS in this case) There might be a general pattern for solving this, although I am specifically looking for a solution for iOS. Please give an example of a good pattern for solving this issue. Please provide an argument why your solution is awesome.

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  • Run database checks but omit large tables or filegroups - New option in Ola Hallengren's Scripts

    - by Greg Low
    One of the things I've always wanted in DBCC CHECKDB is the option to omit particular tables from the check. The situation that I often see is that companies with large databases often have only one or two very large tables. They want to run a DBCC CHECKDB on the database to check everything except those couple of tables due to time constraints. I posted a request on the Connect site about time some time ago: https://connect.microsoft.com/SQLServer/feedback/details/611164/dbcc-checkdb-omit-tables-option The workaround from the product team was that you could script out the checks that you did want to carry out, rather than omitting the ones that you didn't. I didn't overly like this as a workaround as clients often had a very large number of objects that they did want to check and only one or two that they didn't. I've always been impressed with the work that our buddy Ola Hallengren has done on his maintenance scripts. He pinged me recently about my old Connect item and said he was going to implement something similar. The good news is that it's available now. Here are some examples he provided of the newly-supported syntax: EXECUTE dbo.DatabaseIntegrityCheck @Databases = 'AdventureWorks', @CheckCommands = 'CHECKDB' EXECUTE dbo.DatabaseIntegrityCheck @Databases = 'AdventureWorks', @CheckCommands = 'CHECKALLOC,CHECKTABLE,CHECKCATALOG', @Objects = 'AdventureWorks.Person.Address' EXECUTE dbo.DatabaseIntegrityCheck @Databases = 'AdventureWorks', @CheckCommands = 'CHECKALLOC,CHECKTABLE,CHECKCATALOG', @Objects = 'ALL_OBJECTS,-AdventureWorks.Person.Address' EXECUTE dbo.DatabaseIntegrityCheck @Databases = 'AdventureWorks', @CheckCommands = 'CHECKFILEGROUP,CHECKCATALOG', @FileGroups = 'AdventureWorks.PRIMARY' EXECUTE dbo.DatabaseIntegrityCheck @Databases = 'AdventureWorks', @CheckCommands = 'CHECKFILEGROUP,CHECKCATALOG', @FileGroups = 'ALL_FILEGROUPS,-AdventureWorks.PRIMARY' Note the syntax to omit an object from the list of objects and the option to omit one filegroup. Nice! Thanks Ola! You'll find details here: http://ola.hallengren.com/  

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  • Swapping from NHibernate to Entity Framework &ndash; Sanity Check

    - by DesigningCode
    Now I’m not an expert in either of these techs.  I have a nice framework for unit of work / repository built with NHibernate.  Works pretty well.  I use FluentNhibernate to do the mappings.  Works well.  Takes very little code to get going with a DB back OO model. So why swap? Linq.  In Entity Framework you get much better linq support.  Visibility. I have no idea what's really happening with NHibernate….its a cloud of mystery most of the time.  You have to read all the blogs, mailing lists, etc to know what's going on. So, EF 4.0 looks like pretty good….  it has reasonably good support for mapping POCOs.  Wrapping UnitOfWork and Repository around it seems ok. Only thing I haven’t liked too much is having to explicitly load lazy loading entities. So…. am I sane?  is EF the way to go?  or is NHibernate going to suddenly release the next generation of coolness?  Is there any other major gotchas of using EF over NHibernate?

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  • Java EE 7 JSR Submitted

    - by Tori Wieldt
    Java EE 7 has been filed as JSR 342 in the JCP program. This JSR (Java Specification Request) will develop Java EE 7, the next version of the Java Platform, Enterprise Edition. It is an "umbrella JSR" because the specification includes a collection of several other JSRs. The proposal suggests the addition of two new JSRs: Concurrency Utilities for Java EE (JSR-236) and JCache (JSR-107) as well as updates to JPA, JAX-RS, JSF, Servlets, EJB, JSP, EL, JMS, JAX-WS, CDI, Bean Validation, JSR-330, JSR-250, and Java Connector Architecture. There are also two new APIs under discussion: a Java Web Sockets API and a Java JSON API. These are the new JSRs that are currently up for ballot:• JSR 342: Java Platform, Enterprise Edition 7 Specification• JSR 340: Java Servlet 3.1 Specification• JSR 341: Expression Language 3.0• JSR 343: Java Message Service 2.0• JSR 344: JavaServer Faces 2.2All 5 JSRs are now up for Executive Committee voting with ballots closing on 14 March, and slated for inclusion in Java EE  7.  All of these JSRs are also open for Expert Group nominations. Any JCP member can nominate themself to serve on the Expert Groups for these JSRs. Details on how to become a JCP member are on jcp.org. The JCP gives you a chance to have your own work become an official component of the Java platform and to offer suggestions for improving and growing the technology. Either way, everyone in the Java community benefits from your participation.There's a nice discussion about Java EE 7 in this podcast with Java EE spec lead Robert Chinnici and more information in this blog post on the Aquarium. It's exciting to see so much activity currently underway.

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  • Reduce Bookmarks in Chrome to Toolbar Icons

    - by Asian Angel
    Do you want to make the most efficient use of the space in Chrome’s Bookmarks Toolbar? Now you can reduce the bookmarks to icons with just a few minutes work. Note: You may or may not wish to do some reorganizing with your bookmarks before-hand. Condensing the Bookmarks If your browser is anything like ours then it has not taken long to fill up your Bookmarks Toolbar. Accessing the drop-down section often throughout the day is not too fun. The bookmarks are the easiest part of your collection to condense. Right-click on each bookmark and select “Edit…” to open the Edit Bookmark Window. Delete the text, click OK, and you are finished. You still have a useable bookmark that looks nice and takes up very little room. These are our bookmarks from the first screenshot above…no problems with accessing all of them now. With just a few minutes work you can have a beautiful and compact Bookmarks Toolbar. If you have been looking for a more efficient and compact Bookmarks Toolbar in Chrome, then this little hack will certainly be useful for you. Similar Articles Productive Geek Tips Reduce Your Bookmarks Toolbar to a Toolbar ButtonAccess Your Bookmarks with a Toolbar Button in Google ChromeConvert Chrome Bookmark Toolbar Folders to IconsAdd the Bookmarks Menu to Your Bookmarks Toolbar with Bookmarks UI ConsolidatorCompact Toolbar Buttons in Firefox TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips VMware Workstation 7 Acronis Online Backup DVDFab 6 Revo Uninstaller Pro Creating a Password Reset Disk in Windows Bypass Waiting Time On Customer Service Calls With Lucyphone MELTUP – "The Beginning Of US Currency Crisis And Hyperinflation" Enable or Disable the Task Manager Using TaskMgrED Explorer++ is a Worthy Windows Explorer Alternative Error Goblin Explains Windows Error Codes

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  • Example of DOD design (on a generic Zombie game)

    - by Jeffrey
    I can't seem to find a nice explanation of the Data Oriented Design for a generic zombie game (it's just an example, pretty common example). Could you make an example of the Data Oriented Design on creating a generic zombie class? Is the following good? Zombie list class: class ZombieList { GLuint vbo; // generic zombie vertex model std::vector<color>; // object default color std::vector<texture>; // objects textures std::vector<vector3D>; // objects positions public: unsigned int create(); // return object id void move(unsigned int objId, vector3D offset); void rotate(unsigned int objId, float angle); void setColor(unsigned int objId, color c); void setPosition(unsigned int objId, color c); void setTexture(unsigned int, unsigned int); ... void update(Player*); // move towards player, attack if near } Example: Player p; Zombielist zl; unsigned int first = zl.create(); zl.setPosition(first, vector3D(50, 50)); zl.setTexture(first, texture("zombie1.png")); ... while (running) { // main loop ... zl.update(&p); zl.draw(); // draw every zombie } Or would creating a generic World container that contains every action from bite(zombieId, playerId) to moveTo(playerId, vector) to createPlayer() to shoot(playerId, vector) to face(radians)/face(vector); and contains: std::vector<zombie> std::vector<player> ... std::vector<mapchunk> ... std::vector<vbobufferid> player_run_animation; ... be a good example? Whats the proper way to organize a game with DOD?

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  • Forwarding a subdomain to main domain using Godaddy

    - by Ryan Hayes
    I have current blog, which was hosted on Tumblr at http://blog.ryanhayes.net. I'm moving it over to http://ryanhayes.net, and have all the 301 redirects set up for the blog entries to map to my new blog, which is hosted using Godaddy (domain included). When I try to set up a subdomain forward, I'm greeted with a nice 403 Forbidden response (as of this writing, you can see it at http://blog.ryanhayes.net. When I try to ping both the subdomain and domain, they point to the same IP address, so I know blog subdomain has at least switched over to point to the same content. I don't really understand why I would get a 403 Forbidden on the same content that I can see perfectly fine via another domain. Currently, I have a CNAME of blog pointing to @, which is how "www" is set up to forward, so I'm assuming it would do the same thing. My question is what is the proper way to set up my DNS to make the blog subdomain forward to my main domain (301) using the GoDaddy DNS manager? Bonus: What is the background on why I am getting a 403 error the current way? Forbidden You don't have permission to access / on this server. Additionally, a 403 Forbidden error was encountered while trying to use an ErrorDocument to handle the request. UPDATE 12/7/2010 Error on site has been fixed, you can no longer view it from my site.

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  • Dual-Boot Windows 7 and Ubuntu 12.04.1

    - by z3matt
    I installed Ubuntu 12.04.1 alongside Windows 7. I wanted to check out what it's all about. By the way, i actually like the interface a lot and the free office suite is very very nice. I love how they can save to the .docx as well. Onto the story: I installed it using this tutorial and I set it all up and everything and things were great. I used the EasyBCD 2.2 Tool and created an Ubuntu 12.04.1 entry and when I boot the computer the Windows 7 and Ubuntu 12.04.1 option show up. However, when I click Ubuntu it does not boot. It say and error and says I must put in the Windows CD to repair or something like this. Here's my system specs: ASRock Extreme4 (EUFI BIOS) Corsair Vengaence 2x4GB nVidia GeForce 9800GT i5-3570K 3.4GHz Corsair 620W Modular 500GB WD Caviar Blue I have no clue what could be wrong with it and I would love any assistance. I am willing to mess around and if something happens wrong I can just reinstall windows and it won't be a huge deal. Thank you very much! Here are my partitions I made: /boot 500MB / 10000MB /home 20000MB swap area 4000MB BIOS 4000MB

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  • How to go from mainstream to indie development?

    - by Salano Software
    I'm currently working as a game programmer for a AAA-level developer and publisher - which falls into the 'nice problem to have' category, I know, except that I'm growing more and more disenchanted with the direction of both the company and the AAA portion of the industry as a whole. I don't see any games on the studio's calendar for the next several years that I'm actually interested in working on; it looks like a continuing parade of sequels, license extensions and largely-derivative work. Which isn't to say that there won't be interesting things to do on those projects; but more and more I find myself wanting to do something fundamentally different. It seems like the market's never been better for smaller-scale projects, and I'd love to jump into that (and I've done small demos for Android and have started digging into iOS), but I obviously can't put anything out while I'm working for the company, and I'm concerned that I shouldn't even do substantial development in my spare time on anything I'd eventually like to release on my own. At the same time, I'm leery of leaving the job I've got for hopefully-obvious reasons, especially without a specific plan in place. Has anyone out there got experience with 'going indie' out of a mainstream job, and does anyone have specific suggestions as to what the best approach is and what I should specifically be thinking about or be careful of?

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  • Desktop forgets theme?

    - by Marcelo Cantos
    I am running Ubuntu in VirtualBox (on a Windows 7 host). Several times now, the top-level menu bar, the task bar — and seemingly every system dialog — have forgotten the out-of-the-box "Ambiance" theme they conform to when I first installed the system. Window captions still preserve the theme, but pretty much nothing else does. I have searched high and low on Google for assistance with this problem. Everything I've found suggests either running some gconf reset or deleting .gconf* .gnome* and other similar directories. I have followed all this advice and nothing works. I still get a boring Windows-95-style gray 3D look and feel. On previous occasions, after much messing around I've given up and rebooted the VM instance, and been pleasantly suprised to see the original "Ambience" theme restored throughout the UI, but invariably it disappears again some time later, usually after a reboot, so I can never figure out what I did that broke it. Here's a sample from Ubuntu's site of what I want it to look like. And here's a screenshot of my system as it currently looks. Also note that my GNOME Terminals normally have a nice purple semi-translucent look, and as can be seen from the screenshot, they are now just a solid matte white. This last time (just yesterday), trying numerous combinations all the usual tricks and rebooting several times hasn't fixed it, so here I am on SU wondering: How do I recover the out-of-the-box theme for my Gnome/Ubuntu desktop, noting that blowing away all config files — as suggested in many places online — fails to achieve this? It might help to know that it seems to fail either after I resize the VM instance, forcing the Ubuntu desktop to resize itself, or after I play around with Compiz settings. I haven't been able to figure out which of these it is, and it could be neither. Given the amount of pain I have had to go through to get things back to normal (and given that I am at a loss as to how to do so), it has proven difficult to definitively isolate the cause.

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  • Flattening PDF transparency

    - by Jan
    I have a PDF, made with Inkscape, that uses transparent colors. This image shall be used in a LaTeX document. While preserving the transparency is nice for editing, it can be a problem for printing. Printing usually involves PDF to PS conversion. Since Postscript does not support transparency, this requires either flatting, i.e. creating a vector graphic that works without transparency or rastering, i.e. rendering a bitmap image. When a PDF document containing such a figure is printed (or converted to PS) using Evince (or Cairo or Ghostscript), the whole page gets rendered as a bitmap, rendering fonts ugly (different from other pages). (Adobe Acrobat handles such PDFs well.) Unfortunately, converting the PDF figures to EPS (before including them with LaTeX) doesn't help much, because both pdftops and pdf2ps (again, Cairo or Ghostscript) rasterize the image, i.e. render a bitmap (saved as EPS). (This is slightly better, because it doesn't affect the whole page, but I'd still prefer a vector graphics.) How can I flatten transparency with Inkscape or other software on Linux?

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  • Today I talk about you

    - by BuckWoody
    Some time back I posted a blog entry (mirrored here and here) asking you how you design databases. Out of those responses, my own experience, studies I read, and interviews I conducted, I collected a wealth of data. Thanks for your responses. So what am I going to do with that information? Well, all along I had planned for that to be used today. I am giving a presentation at an event called “TechReady” called “How Your Customers Design Databases”. This is a Microsoft-internal event, where technical professionals like myself, salespeople, and the product team get together to talk about what has been working, what doesn’t, what is coming and hopefully (fingers crossed here) what the product team can do to help us help the SQL Server community. I’ve mentioned before that I teach database design as part of a course I run at the University of Washington. I’m also planning to give a mini-lecture from that series at TechEd 2010, so if you’re coming stop by. I’d love to meet you. So today I talk about you – thanks for the input. I hope you and I can make a difference in the product. Might take a while, but it’s nice to know your voice is being heard. Share this post: email it! | bookmark it! | digg it! | reddit! | kick it! | live it!

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  • Use Network-Manager to Connect to a wifi Access Point on the command-line

    - by Stefano Palazzo
    I'd like to connect to a wireless access point from the command-line. ideally, I'd only need the name of the AP. But the hardware-address would work as well. I know I can use nmcli to connect to a managed network connection, but in my case, the access point may not be configured for Network-Manager yet (See the difference between the output of nm-tool and nmcli con). Example output of nmcli: Auto pwln 3a3d62b1-bbdf-4f76-b4d2-c211fd5cfb03 802-11-wireless [...] Wired Network aa586921-accf-4932-98c4-c873c310f08e 802-3-ethernet [...] Cisco-UDP Uni 7f94847b-04dc-40b7-9955-5246fb77cc65 vpn [...] T-mobile (D1) 867f345a-cbbf-4bd4-b883-a5e5ae0932f0 gsm [...] Example output of nm-tool: State: connected - Device: eth1 [Auto pwln] ---------------------------------------------------- [...] Wireless Access Points (* = current AP) *pwln: Infra, [...], Freq 2472 MHz, Rate 54 Mb/s, Strength 80 WPA WPA2 WLAN: Infra, [...], Freq 2422 MHz, Rate 54 Mb/s, Strength 20 WPA WPA2 [...] How do I connect to an access point that may or may not be known to NM? Extra: Finding out if the connection needs a pass-phrase, and submitting it on the command-line as well would be great too (that is to say It'd be nice if network-manager wouldn't pop open any keyring dialogues or errors on the gui)

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  • Multiline Replacement With Visual Studio

    - by Alois Kraus
    I had to remove some file headers in a bigger project which were all of the form #region File Header /*[ Compilation unit ----------------------------------------------------------       Name            : Class1.cs       Language        : C#     Creation Date   :      Description     : -----------------------------------------------------------------------------*/ /*] END */ #endregion I know that would be a cool thing to write a simple C# program use a recursive file search, read all lines skip the first n lines and write the files back to disc. But I wanted to test things first before I ruin my source files with one little typo. There comes the Visual Studio Search and Replace in Files dialog into the game. I can test my regular expression to do a multiline match with the Find button before actually breaking anything. And if something goes wrong I have the Undo button.   There is a nice blog post from Paulo Morgado online who deals with Multiline Regular expressions. The Visual Studio Regular expressions are non standard so you have to adapt your usual Regex know how to the other patterns. The pattern I cam finally up with is \#region File Header:b*(.*\n)@\#endregion The Regular expression can be read as \#region File Header Match “#region File Header” \# Escapes the # character since it is a quantifier. :b* After this none or more spaces or tabs can follow (:b stands for space or tab) (.*\n)@ Match anything across lines in a non greedy way (the @ character makes it non greedy) to prevent matching too much until the #endregion somewhere in our source file. \#endregion Match everything until “#endregion” is found I had always knew that Visual Studio can do it but I never bothered to learn the non standard Regex syntax. This is powerful and it is inside Visual Studio since 2005!

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  • What is a currently a good game stack for simple Javascript 2D multiplatform game?

    - by JacobusR
    I'm looking for advice from someone can help me avoid common pitfalls in developing light weight, quick-to-market games. Yeah, I've heard of Google ;-), but a trip down Google lane does not beat solid experience from someone who has been down this path. I'm looking for advice from someone who works alone, or in a small team, and has developed some 2D games for mobile. My game ideas don't require intensive graphics, just simple arcade style glyphs and collision detection. My experience is mostly with Scala, Java and web technologies (Javascript, CSS, SVG, HTML, etc). My question is: Is there a nice stack that someone can suggest that will be a good fit for my skillset? I'm considering Javascript for simple 2D shooter games with simple multiplayer games being supported with a Scala server-side written on Spray. Is this silly? Should I rather look into things such as Unity 3D, and use it in 2D mode? For the actual game engine, something like the Sparrow Framework would be great, but it needs to be multiplatform.

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