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• Strange robots.txt - how and why did it get there?

  - by Mick

  I recently created a very simple, pure HTML website which I have hosted with "hostmonster". Hostmonster had very good reviews on some comparison website and in general so far they appear to be perfectly good in every way... At least I thought so until just now... I have been making lots of edits to my site on an almost daily basis. My site now appears on the first page (7th on the list) for my most important keyphrase when doing a google search. But I did notice some problem with the snippet chosen by google. I asked a question on this site about snippets and got some great answers. I then made some modifications to my meta data and within 48hrs the google snippet for my search was perfect. The odd thing though was that looking at the "cached" version google had, it appeared that the cache was still very odl- like three weeks previous. This seemed very odd - how could it be that the google robots had read my new metadata without updating the cache? This puzzled me greatly. Just now it occurred to me that maybe I had some goofey setting in my robots.txt file. I didn't actually remember even making one - but I thought I'd have a look just in case. Much to my horror, I saw that there was a robots.txt and it contained the disturbing text below: sitemap: http://cdn.attracta.com/sitemap/728687.xml.gz Intuitively this looks like some kind of junk, spam trick, and I had indeed been getting some spam from "attracta". So my questions are: 1. Should I simply delete this robots.txt? 2. Was the file there all along - placed there because of some commercial tie-in between attracta and hostmonster. 3. Does the attracta robots file explain the lack of re-caching?

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• tracd multiple projects+nginx reverse proxy

  - by Xeross

  I am trying to setup nginx with a reverse proxy to tracd, however I only want to use 1 tracd. Now first here's my config for this domain server { listen 80; server_name bugs.XXXXXXXX.com; access_log /var/log/nginx/XXXXXXXX-bugtracker.access.log proxy; location / { rewrite ^/bugtracker/(.*)$ /$1; rewrite ^/bugtracker$ /; proxy_pass http://127.0.0.1:81/bugtracker/; proxy_redirect default; proxy_set_header Host $host; } location ~ /\.ht { deny all; } } As you can see there's the rewrite rules, because for some reason all the urls that tracd spews out are like /bugtracker/something. Now this is indeed caused by tracd just sending urls like it normally should however trac is at bugs.XXXXXXXX.com/ and not at bugs.XXXXXXXX.com/bugtracker. So how can I make tracd/trac display the (In this case) correct urls ?

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• Common request: export #Tabular model and data to #PowerPivot

  - by Marco Russo (SQLBI)

  I received this request in many courses, messages and also forum discussions: having an Analysis Services Tabular model, it would be nice being able to extract a correspondent PowerPivot data model. In order of priority, here are the specific feature people (including me) would like to see: Create an empty PowerPivot workbook with the same data model of a Tabular model Change the connections of the tables in the PowerPivot workbook extracting data from the Tabular data model Every table should have an EVALUATE ‘TableName’ query in DAX Apply a filter to data extracted from every table For example, you might want to extract all data for a single country or year or customer group Using the same technique of applying filter used for role based security would be nice Expose an API to automate the process of creating a PowerPivot workbook Use case: prepare one workbook for every employee containing only its data, that he can use offline Common request for salespeople who want a mini-BI tool to use in front of the customer/lead/supplier, regardless of a connection available This feature would increase the adoption of PowerPivot and Tabular (and, therefore, Business Intelligence licenses instead of Standard), and would probably raise the sales of Office 2013 / Office 365 driven by ISV, who are the companies who requests this feature more. If Microsoft would do this, it would be acceptable it only works on Office 2013. But if a third-party will do that, it will make sense (for their revenues) to cover both Excel 2010 and Excel 2013. Another important reason for this feature is that the “Offline cube” feature that you have in Excel is not available when your PivotTable is connected to a Tabular model, but it can only be used when you connect to Analysis Services Multidimensional. If you think this is an important features, you can vote this Connect item.

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• Additional new content SOA Partner Community

  - by JuergenKress

  Oracle Reference Architecture: Application Infrastructure Foundation One of the earliest additions to the IT Strategies from Oracle library, this paper describes the concepts and capabilities of the application infrastructure and defines the platform on which solutions are built. Read it. Scaling Service Oriented Architecture What is scaling, and what does it mean to a service oriented architecture? Author Philip Wik explores those issues and proposes Oracle-based solutions to SOA scaling and a SOA scaling roadmap. Read it. SOA, Cloud, and Service Technologies: A Conversation with Thomas Erl Thomas Erl, the world's best selling SOA author, is joined by Oracle SOA experts Tim Hall and Demed L'Her for a wide ranging four-part conversation on the evolution of SOA and the emergence of the architect in the era of cloud computing. Listen to the Podcast & Read a Transcript Cloud e-book Invite your customers to download this Cloud e-book, packed with multi-media resources to educate your customers on the value of Oracle Cloud computing. Assessment: Are you Leading or Lagging when it comes to SOA and BPM? Take the online SOA Assessment and BPM Assessment. New Collateral: Whitepaper Series: The Promise of BPM Technology for Financial Services Institutions - Resource Kit Whitepaper: Reaching Process Excellence with Process Accelerators - PDF Demystifying Cloud Integration: Whitepapers, webcasts, and customer case studies - Resource Kit Whitepaper: Leveraging Governance to sustain Enterprise Architecture - PDF Article: Rethink SOA: A Recipe for Business Transformation - Article Oracle SOA Resource Kit Oracle SOA Governance Resource Kit Oracle BPM Resource Kit SOA & BPM Partner Community For regular information on Oracle SOA Suite become a member in the SOA & BPM Partner Community for registration please visit  www.oracle.com/goto/emea/soa (OPN account required) If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Mix Forum Technorati Tags: SOA Community,Oracle SOA,Oracle BPM,Community,OPN,Jürgen Kress

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• List of MD /Raid/LVM (Devices) = How to mount them without any further information available?

  - by Jens

  Hello Expets, I do not have much skills in linux and installed a system two years ago that I now had to reboot, but it seems I did not automate everything with start-scripts... My Problem: I miss some mountpoints. I have a list of my raids (excerpt:) md3 : active (auto-read-only) raid1 sda6[0] sdb6[1] 97659008 blocks [2/2] [UU] md4 : active (auto-read-only) raid1 sda7[0] sdb7[1] 250099776 blocks [2/2] [UU] and it seems md3 and md4 are NOT mounted. However i do NOT have any entries for them fstab file. What should I do next. I do NOT know which filesystem they have (most likely ext3). =Can I savely try to mount them with (mount -t ext3 /dev/md3 /mnt/mymntpoint) or will the lead to corrupted data, in case they are not ext3? What should I do next (based on the information given above). The goal is to remount these Devices again, but I do not know anything about them anymore... Thank you very much Jens

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• Port Forwarding: Why do my local sites on 80 work but not those on 8080?

  - by Chadworthington

  I setup my router to forward port 80 to the PC hosting my web site. As a result, I am able to access this url (Don't bother clicking on it, it's just an example): http://my.url.com/ When i click on this link, it works: http://localhost:8080/tfs/web/ I also forward port 8080 to the same web server box But when I try to access this url I get the eror "Page Cannot be displayed:" http://my.url.com:8080/tfs/web/ I fwded port 8080 the same way I fwded port 80. I also turned off Windows Firewall, in case it was blocking port 8080. Any theories why port 80 works but 8080 does not?

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• Technology focussed solutions for Financial Services

  - by ambreesh

  Just finished a short trip to London, where I presented our 3 new technology solutions for Financial Services to the Oracle Client Advisors for the top accounts in EMEA. The solutions were well received by all, with opportunities for all 3 in all the top accounts. The solutions that we are focused on this FY are - Large Scale Data Management platform - Extreme Java platform - Banking Modernization platform, which includes Payments Consolidation (Wholesale and Retail), Core Banking Modernization and Mainframe Offload. My team's responsibility is to build the resilient platform that our financial customers can run their applications on. If they chose Oracle's applications such as Flexcube or Reveleus, we have done the hard work to tightly integrate these applications with our LSDM and BM platforms. If however a customer decides to run a competitive application, they should rest assured that we have done the best possible integration work with those applications too. And in the case of Capital Markets where Oracle does not have trading or risk assets, our LSDM and EJP solutions work with our partner applications such as GoldenSource, PolarLake, Calypso to name a few.  I will detail these solutions in subsequent posts.

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• Discuss: PLs are characterised by which (iso)morphisms are implemented

  - by Yttrill

  I am interested to hear discussion of the proposition summarised in the title. As we know programming language constructions admit a vast number of isomorphisms. In some languages in some places in the translation process some of these isomorphisms are implemented, whilst others require code to be written to implement them. For example, in my language Felix, the isomorphism between a type T and a tuple of one element of type T is implemented, meaning the two types are indistinguishable (identical). Similarly, a tuple of N values of the same type is not merely isomorphic to an array, it is an array: the isomorphism is implemented by the compiler. Many other isomorphisms are not implemented for example there is an isomorphism expressed by the following client code: match v with | ((?x,?y),?z = x,(y,z) // Felix match v with | (x,y), - x,(y,z) (* Ocaml *) As another example, a type constructor C of int in Felix may be used directly as a function, whilst in Ocaml you must write a wrapper: let c x = C x Another isomorphism Felix implements is the elimination of unit values, including those in tuples: Felix can do this because (most) polymorphic values are monomorphised which can be done because it is a whole program analyser, Ocaml, for example, cannot do this easily because it supports separate compilation. For the same reason Felix performs type-class dispatch at compile time whilst Haskell passes around dictionaries. There are some quite surprising issues here. For example an array is just a tuple, and tuples can be indexed at run time using a match and returning a value of a corresponding sum type. Indeed, to be correct the index used is in fact a case of unit sum with N summands, rather than an integer. Yet, in a real implementation, if the tuple is an array the index is replaced by an integer with a range check, and the result type is replaced by the common argument type of all the constructors: two isomorphisms are involved here, but they're implemented partly in the compiler translation and partly at run time.

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• Proper way to re-image Windows 7?

  - by Alec

  I had a driver completely fail on me so I have to restore my computer from a system image backup. I used an installation DVD to run the Re-Image utility on there, but after 8 hours of "preparing the image" to be restored, it began restoring to my hard drive. After 12 hours there, it was 5-8% complete. I figured I must have done something wrong or it started doing something wrong. So I installed a fresh copy of Win-7 and ran the utility from there. It's going at the same snail's pace. I still think I must be doing something incorrectly - I don't see how it could possibly take so long, I could probably manually flip the on my hard drive and be done before that utility. Am I doing this correctly or is there something else I should be doing? Edit: In case my hardware is relevant: Win 7 64 bit Core i7 8 GB Ram 640GB Internal 1TB External connected via eSATA I had approximately 400GB of data on my computer before it crashed.

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• Breadcrumbs in a modern web application, make sense? [on hold]

  - by Xtreme Biker

  I'm currently beginning with the development of a new web application. The whole web application is going to be bookmarkable and all the pages accesible via GET requests and url parameters. Having said that, let's suppose I've got three entities in my application, Customer, Team and City. Each Customer and Team belong to a city and I've got a city-detail page which displays the detail for a concrete city. So next navigation cases are possible: Customers - Customer detail (id=2) - City detail (id=3) Football teams - Team detail (id=5) - City detail (id=3) Cities - City detail (id=3) There are three possible ways of ending up in a city detail view. My question is, does it make sense to implement a breadcrumb to show such a history, having it available in the browser itself? Would it be more appropiate to show a breadcrumb with the last case, no matter where we're coming from (hierarchical breadcrumb)? That's what Jakob Nielsen points out here: Offering users a Hansel-and-Gretel-style history trail is basically useless, because it simply duplicates functionality offered by the Back button, which is the Web’s second-most-used feature. A history trail can also be confusing: users often wander in circles or go to the wrong site sections. Having each point in a confused progression at the top of the current page doesn’t offer much help. Finally, a history trail is useless for users who arrive directly at a page deep within the site. Also, even if the history trail seems the most natural way to implement it, it requires an extra effort to keep the whole track being HTTP a stateless mean.

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• How can I prevent seams from showing up on objects using lower mipmap levels?

  - by Shivan Dragon

  Disclaimer: kindly right click on the images and open them separately so that they're at full size, as there are fine details which don't show up otherwise. Thank you. I made a simple Blender model, it's a cylinder with the top cap removed: I've exported the UVs: Then imported them into Photoshop, and painted the inner area in yellow and the outer area in red. I made sure I cover well the UV lines: I then save the image and load it as texture on the model in Blender. Actually, I just reload it as the image where the UVs are exported, and change the viewport view mode to textured. When I look at the mesh up-close, there's yellow everywhere, everything seems fine: However, if I start zooming out, I start seeing red (literally and metaphorically) where the texture edges are: And the more I zoom, the more I see it: Same thing happends in Unity, though the effect seems less pronounced. Up close is fine and yellow: Zoom out and you see red at the seams: Now, obviously, for this simple example a workaround is to spread the yellow well outside the UV margins, and its fine from all distances. However this is an issue when you try making a complex texture that should tile seamlessly at the edges. In this situation I either make a few lines of pixels overlap (in which case it looks bad from upclose and ok from far away), or I leave them seamless and then I have those seams when seeing it from far away. So my question is, is there something I'm missing, or some extra thing I must do to have my texture look seamless from all distances?

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• issue using Postfix as authen SMTP client relay to Exchange 2010

  - by Gk

  Hi, I'm using postfix to relay mail to Exchange 2010. Here is my config: relayhost = [smtp.exchange.2010] smtp_sasl_auth_enable = yes smtp_sasl_password_maps = hash:/etc/postfix/relay_passwd smtp_sasl_security_options = #smtp_sasl_mechanism_filter = ntlm (/etc/postfix/relay_passwd contains login information of some accounts on Exchange) With this configuration I can relay email to Exchange. The problem is: the message send from Postfix has header: X-MS-Exchange-Organization-AuthAs: Anonymous and the message is treated like unAuthenicated message on Exchange system (i.e when sending to distribution group require senders are authenicated, I received error: #550 5.7.1 RESOLVER.RST.AuthRequired; authentication required ##rfc822;[email protected]). I using Outlook with the same account as in Postfix and it can send without problem. The different I realized between two case is: Outlook send with NTLM auth mech, Postfix using LOGIN mech. Any idea?

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• Learning Electronics & the Arduino Microcontroller

  - by Chris Williams

  Lately, I've had a growing interest in Electronics & Microcontrollers. I'm a loyal reader of Make Magazine and thoroughly enjoy seeing all the various projects in each issue, even though I rarely try to make any of them. I've been reading and watching videos about the Arduino, which is an open source Microcontroller and software project that the people at Make (and a lot of other folks) are pretty hot about. Even the prebuilt hardware is remarkably inexpensive , although there are kits available to build one from the base components. (Full disclosure: I bought my first soldering iron... EVER... just last week, so I fully acknowledge the likelihood of making some mistakes. That's why I'm not trying to do the "build it yourself" kit just yet. It's also another reason to be happy the hardware is so cheap.) There are a number of different Arduino boards available, but the two that have really piqued my interest are the Arduino UNO and the NETduino. The UNO is a very popular board, with a number of features and is under $35 which means I won't hurl myself off a bridge when I inevitably destroy it. The NETduino is very similar to the Arduino UNO and has the added advantage of being programmable with... you guessed it... C#. I'm actually ordering both boards and some miscellaneous other doodads to go with them.  There are a few good websites for this sort of thing, including www.makershed.com and www.adafruit.com. The price difference is negligible, so in my case, I'm ordering from Maker Shed (the Make Magazine people) because I want to support them. :) I've also picked up a few O'Reilly books on the subject which I am looking forward to reading & reviewing: Make: Electronics, Arduino: A Quick Start Guide and Getting Started With Arduino (all three of which arrived on my doorstep today.) This ties in with my "learn more about robotics" goals as well, since I'll need a good understanding of Electronics if I want to move past Lego Mindstorms eventually.

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• what kind of memory can be categorized as Modified Memory in Resource Monitor

  - by Kavin

  In Windows 7 and Windows 2008 R2, there is a new Resource Monitor that is very useful and powerful to monitor the system. In the Memory section, I see a section called Modified (orange) The official description is: Memory whose contents must be to disk before it can be used for another purpose. But I am still confused. What kinds of memory is Modified? In which case can we say that this number of memory is Modified? Can anyone give me a specific example? Is the following guess correct? When a program want to write something into disk, it actually write the content to an IO buffer, which is in the memory. After OS flush this area of memory into disk, the memory is modified or standby?

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• bind tmux prefix to OS X cmd key (or any other binding)

  - by rubenfonseca

  Hi all. I'm used to iTerm2 (or Terminal.app for this case) on OS X. But I want to move to use tmux (or screen, but the problem is similar to both apps). So my idea is to have a single iTerm tab with a tmux session opened with multiple tabs. To do the transition I have a basic feature I need to configure on tmux: switch the the tab 'n' by using cmd + n (like Firefox, Chrome, iTerm2 itself, etc) However I can't find a way of mapping the cmd key on the mac keyboard. I first tried to implement cmd as a prefix key, with no success. I've tried setting set-option -g prefix M-a (hoping for Meta-a) set-option -g prefix ^a (hoping for ^ to work) but nothing works. Is this possible? I don't really need to bind the prefix to cmd, but I want to be able to change tmux tabs with cmd+n. Thank you

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• Deleting a row from self-referencing table

  - by Jake Rutherford

  Came across this the other day and thought “this would be a great interview question!” I’d created a table with a self-referencing foreign key. The application was calling a stored procedure I’d created to delete a row which caused but of course…a foreign key exception. You may say “why not just use a the cascade delete option?” Good question, easy answer. With a typical foreign key relationship between different tables which would work. However, even SQL Server cannot do a cascade delete of a row on a table with self-referencing foreign key. So, what do you do?…… In my case I re-wrote the stored procedure to take advantage of recursion:   -- recursively deletes a Foo ALTER PROCEDURE [dbo].[usp_DeleteFoo]      @ID int     ,@Debug bit = 0    AS     SET NOCOUNT ON;     BEGIN TRANSACTION     BEGIN TRY         DECLARE @ChildFoos TABLE         (             ID int         )                 DECLARE @ChildFooID int                        INSERT INTO @ChildFoos         SELECT ID FROM Foo WHERE ParentFooID = @ID                 WHILE EXISTS (SELECT ID FROM @ChildFoos)         BEGIN             SELECT TOP 1                 @ChildFooID = ID             FROM                 @ChildFoos                             DELETE FROM @ChildFoos WHERE ID = @ChildFooID                         EXEC usp_DeleteFoo @ChildFooID         END                                    DELETE FROM dbo.[Foo]         WHERE [ID] = @ID                 IF @Debug = 1 PRINT 'DEBUG:usp_DeleteFoo, deleted - ID: ' + CONVERT(VARCHAR, @ID)         COMMIT TRANSACTION     END TRY     BEGIN CATCH         ROLLBACK TRANSACTION         DECLARE @ErrorMessage VARCHAR(4000), @ErrorSeverity INT, @ErrorState INT         SELECT @ErrorMessage = ERROR_MESSAGE(), @ErrorSeverity = ERROR_SEVERITY(), @ErrorState = ERROR_STATE()         IF @ErrorState <= 0 SET @ErrorState = 1         INSERT INTO ErrorLog(ErrorNumber,ErrorSeverity,ErrorState,ErrorProcedure,ErrorLine,ErrorMessage)         VALUES(ERROR_NUMBER(), @ErrorSeverity, @ErrorState, ERROR_PROCEDURE(), ERROR_LINE(), @ErrorMessage)         RAISERROR (@ErrorMessage, @ErrorSeverity, @ErrorState)     END CATCH   This procedure will first determine any rows which have the row we wish to delete as it’s parent. It then simply iterates each child row calling the procedure recursively in order to delete all ancestors before eventually deleting the row we wish to delete.

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• How do http proxies determine https traffic with a single port?

  - by badunk

  If a proxy receives the tcp packet, then the destination ip address and port are that of the proxy. In that case, I imagine the only way a proxy can still resolve the intended destination is either through routing the source ip address/port or through the host field in the http header. Is this correct? In both Fiddler and Charles http proxies, I noticed that the tool accepts both http and https connections through a single port that you can specify. What do these tools do to tell the difference between the two types of connections?

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• What equipment do real ISP's use?

  - by Allanrbo

  In a dormitory of 550 residents, people often mistakenly set up DHCP servers for the whole network by plugging in their private Wi-Fi routers wrongly. Also recently, someone mistakenly configured their PC to a static IP being the same as that of the default gateway. We use cheap 3Com switches at the moment. I know that Cisco switches support DHCP snooping to solve the DHCP problem, but that still does not solve the default gateway IP takeover problem. What sort of switch equipment do real ISP's use so their customers cannot break the network for the other customers? What we ended up doing In case anyone are courious, we ended up doing seperate VLANs for each user. And as a matter of fact, not just the 550 users, but for 2500 users (11 dorms). Here's a page describing the setup: http://k-net.dk/technicalsetup/ (the section "Transparent firewall using VLANs"). There was no significant load on the router server as I feared in one of the comments below. Even at 800Mpbs.

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• Can't star SSH on Ubuntu 12.10 AWS EC2

  - by Conor H

  So i've just started playing around with Ubuntu on Amazon EC2. I've just issued the following command to restart ssh but it has now "killed" ssh. sudo /etc/init.d/ssh restart I can't seem to ssh to this instance anymore. Putty just gives me "connection refused". NOTE: In this case I just restarted SSH to see the result. I didn't change any settings. This was to confirm that it was the restart command was the problem and not any configs I made. What is the correct way to restart SSH? P.S. That usually works on other Ubuntu boxes. Thanks. EDIT: It is also worth noting that when I ran that command I was taken straight back to a prompt. I didn't get any output on the console.

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• How to give virtual machine access to the Internet, but block from LAN?

  - by Pekka

  I am setting up a virtual machine using Microsoft Virtual PC in Windows 7. The VM will run a Windows XP. I want to set up a public-facing server in it for web pages, subversion and other things, and instruct the router to port forward any requests to that Virtual Machine. I managed to do that - I assigned the VM to the network adapter, and it is now acting as just another DHCP client - but to increase security I would like to block the VM from the rest of the LAN, so it accepts only incoming connections from the Internet. For this to be effective in case of a compromise, it would have to happen on VM level as far as I can see. Can this be done?

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• Group policy applied to AD OU attributes

  - by Eric Smith

  I'm not well-versed in AD, so would like to resolve a question I have with regards to AD information. I understand that it is possible to apply group policy to OU's, thereby restricting access. What I'd like to know is, is it possible to do the same with OU attributes. Some context would help. There's a requirement to store address information in AD (IMO, a natural fit), but for various reasons, although obviously things like name should be globally accessible, access restrictions are desired on the address. In this case, is it possible to apply security to the address portion of the OU attributes, or does each address have to be broken into a separate OU (a solution that feels smelly given that address doesn't have identity)?

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• samba shares dissapear everynight

  - by Crash893

  I have ubuntu 8.04lts and recently a weird problem has been cropping up. every night something happens and in the morning my coworkers cant see the shares. If i try to remote into the machine via ssh i don't get a prompt . when i rebooted the machine i would get a "video cannot be displayed in this mode" screen and no other activity on the box. I booted from grub into recovery and tried doing a package repair (keeping my smb.conf) and that didn't seem to do anything after a few other reboots I was able to get it to come up (im not sure what i did) yesterday it did teh same thing i booted to recovery then did a repair xserver and it came right up so i thought that resovled the issue but then today same thing anyone have any idea on what i can look for (im very new to linux in general) worst case sennerio can i just reinstall ubuntu over again with out blowing out the data?

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• Mac internet problems

  - by Bradley Herman

  Our office is set up with mostly macs (7 of them) but we do have a windows laptop and a windows desktop on the network as well. The network is configured with a modem going into a switch/router throughout the office to the computers, along with a wireless router. Everything runs fine most of the time, but periodically while using the web, certain sites will stop loading and timeout repeatedly. This usually lasts 20 minutes or so and can be incredibly annoying. Resetting the modem/router and/or rebooting the computer never helps. The weirdest part is that in almost every case, the websites are fine on our Windows machines. I frequently use github, google, Stack Overflow, and jQuery reference and I can count on the sites being unavailable to me at least once a day. While I can't get them to load, I can spin my chair around to the windows server behind me and load the sites just fine. Any idea what the hell could be going on here?

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• Adding complexity by generalising: how far should you go?

  - by marcog

  Reference question: http://stackoverflow.com/questions/4303813/help-with-interview-question The above question asked to solve a problem for an NxN matrix. While there was an easy solution, I gave a more general solution to solve the more general problem for an NxM matrix. A handful of people commented that this generalisation was bad because it made the solution more complex. One such comment is voted +8. Putting aside the hard-to-explain voting effects on SO, there are two types of complexity to be considered here: Runtime complexity, i.e. how fast does the code run Code complexity, i.e. how difficult is the code to read and understand The question of runtime complexity is something that requires a better understanding of the input data today and what it might look like in the future, taking the various growth factors into account where necessary. The question of code complexity is the one I'm interested in here. By generalising the solution, we avoid having to rewrite it in the event that the constraints change. However, at the same time it can often result in complicating the code. In the reference question, the code for NxN is easy to understand for any competent programmer, but the NxM case (unless documented well) could easily confuse someone coming across the code for the first time. So, my question is this: Where should you draw the line between generalising and keeping the code easy to understand?

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• Top Ten Reasons to Attend the 2015 Oracle Value Chain Summit

  - by Terri Hiskey

  Need justification to attend the 2015 Oracle Value Chain Summit? Check out these Top Ten Reasons you should register now for this event: 1. Get Results: 60% higher profits. 65% better earnings per share. 2-3x greater return on assets. Find out how leading organizations achieved these results when they transformed their supply chains. 2. Hear from the Experts: Listen to case studies from leading companies, and speak with top partners who have championed change. 3. Design Your Own Conference: Choose from more than 150 sessions offering deep dives on every aspect of supply chain management: Cross Value Chain, Maintenance, Manufacturing, Procurement, Product Value Chain, Value Chain Execution, and Value Chain Planning. 4. Get Inspired from Those Who Dare: Among the luminaries delivering keynote sessions are former SF 49ers quarterback Steve Young and Andrew Winston, co-author of one of the top-selling green business books, Green to Gold. 5. Expand Your Network: With 1500+ attendees, this summit is a networking bonanza. No other event gathers as many of the best and brightest professionals across industries, including tech experts and customers from the Oracle community. 6. Improve Your Skills: Enhance your expertise by joining NEW hands-on training sessions. 7. Perform a Road-Test: Try the latest IT solutions that generate operational excellence, manage risk, streamline production, improve the customer experience, and impact the bottom line. 8. Join Similar Birds-of-a-Feather: Engage industry peers with similar interests, or shared supply chain communities, in expanded roundtable discussions. 9. Gain Unique Insight: Speak directly with the product experts responsible for Oracle’s Value Chain Solutions. 10. Save $400: Take advantage of the Super Saver rate by registering before September 26, 2014.

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