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• November New Member Offers

  - by Cassandra Clark - OTN

  Happy November!  OTN has worked with its partners to bring you more new offers or extend their existing ones.Oracle Press New Offer-Oracle Technology Network members get 40% off the newest Oracle Press titles by Oracle ACE Mark Rittman, Oracle Business Intelligence 11g Developers Guide and Oracle Exalytics Revealed  (ebook format only).Extended Offers - Oracle Store - Save 10% on Your Next Software Purchase from the Oracle StorePearson Publistiong - 35% off Hacker’s Delight Manning Publishing - 41% off the MEAP, eBook and print format of the following books: Making Java Groovy OCA Java SE 7 Programmer I Certification Guide Safari Books Online - OTN members get 30 days of free access + 20% off unlimited access to Safari Books Online for 6 months. Packt Publishing - 25% off the print books and 35% off the eBooks listed below: Getting Started with Oracle Data Integrator 11g: A Hands-On Tutorial Oracle Business Intelligence Enterprise Edition 11g: A Hands-On Tutorial  Oracle Certified Associate, Java SE 7 Programmer Study Guides. Murach  Publishing -  Get 30% off for OTN members - Murach’s SQL Server 2012 for Developers by Bryan Syverson and Joel Murach. Get all of this From the OTN Member Discount Page!

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• Facebook App EULA & Restrictions: What can't they do that my web app can?

  - by Adam Tannon

  I have written a nifty little web app (in Java/GWT/JS) and have been experimenting with the idea of making it available through Facebook as a Facebook App as well. After spending some time reading Facebook's developer docs, it seems like I can just create a Facebook App to point at any URL I want and use that as the app/canvas. It accomplishes this via iframes. So, my tentative plan is to just point it towards my (existing) web app so that I don't have to totally re-write it. But then that got me thinking: Facebook must regulate what sorts of things can be done through a Facebook App, vs. what an app can't do. For instance, I can't imagine I can point a Facebook App to point at a URL for a web app that accepts e-commerce payments (that would by-pass Facebook altogether and not allow them to take a cut from the ecom transaction!). Also, I can't imagine that Facebook allows developers to point their Facebook Apps to just any old URL without some sort of a scan, otherwise that would open Facebook up to the horrors of every security threat knownst to humanity. I know for a fact that when you write an iOS native app and put it up on the Apple App Store, that Apple actually scans your source code for violations of their EULA. So my question: does Facebook do the same? If so, what are their terms & conditions for what a Facebook app can/can't do? Suprisingly, I can't find this anywhere!! Thanks in advance!

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• SQL Server Database Settings

  - by rbishop

  For those using Data Relationship Management on Oracle DB this does not apply, but for those using Microsoft SQL Server it is highly recommended that you run with Snapshot Isolation Mode. The Data Governance module will not function correctly without this mode enabled. All new Data Relationship Management repositories are created with this mode enabled by default. This mode makes SQL Server (2005+) behave more like Oracle DB where readers simply see older versions of rows while a write is in progress, instead of readers being blocked by locks while a write takes place. Many common sources of deadlocks are eliminated. For example, if one user starts a 5 minute transaction updating half the rows in a table, without snapshot isolation everyone else reading the table will be blocked waiting. With snapshot isolation, they will see the rows as they were before the write transaction started. Conversely, if the readers had started first, the writer won't be stuck waiting for them to finish reading... the writes can begin immediately without affecting the current transactions. To make this change, make sure no one is using the target database (eg: put it into single-user mode), then run these commands: ALTER DATABASE [DB] SET ALLOW_SNAPSHOT_ISOLATION ONALTER DATABASE [DB] SET READ_COMMITTED_SNAPSHOT ON Please make sure you coordinate with your DBA team to ensure tempdb is appropriately setup to support snapshot isolation mode, as the extra row versions are stored in tempdb until the transactions are committed. Let me take this opportunity to extremely strongly highly recommend that you use solid state storage for your databases with appropriate iSCSI, FiberChannel, or SAN bandwidth. The performance gains are significant and there is no excuse for not using 100% solid state storage in 2013. Actually unless you need to store petabytes of archival data, there is no excuse for using hard drives in any systems, whether laptops, desktops, application servers, or database servers. The productivity benefits alone are tremendous, not to mention power consumption, heat, etc.

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• Is a 302 redirect to a random URL from the homepage an SEO problem?

  - by CookieMonster

  I originally posted this on Stackoverflow, but I believe here is a better place to ask. My web application is very similar to notepad.cc which redirects to a randomly generated URL upon access, e.g. http://myapp.com/roTr94h4Gd. (Please note that notepad.cc is not my site.) Probably because of this redirect feature, when I do "fetch as Google" or "fetch as Bingbot", I get a 302 and no html content. Not even a <html></html> tag. HTTP/1.1 302 Moved Temporarily Server: nginx/1.4.1 Date: Tue, 01 Oct 2013 04:37:37 GMT Content-Type: text/html Transfer-Encoding: chunked Connection: keep-alive X-Powered-By: PHP/5.4.17-1~dotdeb.1 Set-Cookie: PHPSESSID=vp99q5e5t5810e3bnnnvi6sfo2; expires=Thu, 03-Oct-2013 04:37:37 GMT; path=/ Expires: Thu, 19 Nov 1981 08:52:00 GMT Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Pragma: no-cache Location: /roTr94h4Gd How should I avoid 302 in this case? I suppose I could modify my site to prevent the redirect, but it is a necessary feature of my web app to generate a random URL on each access. I added <meta name="fragment" content="!"> tag into my index page and set it to return a static snapshot of my page when the flag is set. But this still returns a 302. I also added a header to return 200 before redirecting, but this had no effect, either. Could someone tell me a good suggestion to solve this problem?

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• Nested Entities and calculation on leaf entity property - SQL or NoSQL approach

  - by Chandu

  I am working on a hobby project called Menu/Recipe Management. This is how my entities and their relations look like. A Nutrient has properties Code and Value An Ingredient has a collection of Nutrients A Recipe has a Collection of Ingredients and occasionally can have a collection of other recipes A Meal has a Collection of Recipes and Ingredients A Menu has a Collection of Meals The relations can be depicted as In one of the pages, for a selected menu I need to display the effective nutrients information calculated based on its constituents (Meals, Recipes, Ingredients and the corresponding nutrients). As of now am using SQL Server to store the data and I am navigating the chain from my C# code, starting from each meal of the menu and then aggregating the nutrient values. I think this is not an efficient way as this calculation is being done every time the page is requested and the constituents change occasionally. I was thinking about a having a background service that maintains a table called MenuNutrients ({MenuId, NutrientId, Value}) and will populate/update this table with the effective nutrients when any of the component (Meal, Recipe, Ingredient) changes. I feel that a GraphDB would be a good fit for this requirement, but my exposure to NoSQL is limited. I want to know what are the alternative solutions/approaches to this requirement of displaying the nutrients of a given menu. Hope my description of the scenario is clear.

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• Provide an OnChange event for an internal property which is controlled externally?

  - by NGLN

  For fun and by request I am updating this ImageGrid component, a kind of listbox for images that has a FileNames property of type TStrings. For ease of writing, I have been misusing its FileNames.Objects property for bitmap storage. But since the TStrings type suggests that users of the component could or would want to use the Objects property for custom data, e.g. like TListBox.Items, I am rewriting the component to store the bitmaps elsewhere and leave FileNames.Objects untouched for unknown future usage. Now I am wondering whether to provide an OnChange event. And if so, whether to fire it when one or more FileNames.Objects changes. Trying to answer it myself, I dove in Delphi's own VCL and stumbled on: TMemo: has an OnChange event, but ignores Lines.Objects TListBox: has no OnChange event, but is capable of storing Items.Objects TStringGrid: has no OnChange event, but is capable of storing Objects, Rows.Objects, Cols.Objects So now I am somewhat puzzeled, because I cannot imagine Borland's developers didn't add events for several Objects properties out of ease. Sure, when a user changes a FileNames.Object in my component, he knows he does and could implement appropriate interaction himself. But wouldn't it be convenient when the component does automatically? What would you expect from this component in this regard?

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• Java enum pairs / "subenum" or what exactly?

  - by vemalsar

  I have an RPG-style Item class and I stored the type of the item in enum (itemType.sword). I want to store subtype too (itemSubtype.long), but I want to express the relation between two data type (sword can be long, short etc. but shield can't be long or short, only round, tower etc). I know this is wrong source code but similar what I want: enum type { sword; } //not valid code! enum swordSubtype extends type.sword { short, long } Question: How can I define this connection between two data type (or more exactly: two value of the data types), what is the most simple and standard way? Array-like data with all valid (itemType,itemSubtype) enum pairs or (itemType,itemSubtype[]) so more subtype for one type, it would be the best. OK but how can I construct this simplest way? Special enum with "subenum" set or second level enum or anything else if it does exists 2 dimensional "canBePairs" array, itemType and itemSubtype dimensions with all type and subtype and boolean elements, "true" means itemType (first dimension) and itemSubtype (second dimension) are okay, "false" means not okay Other better idea Thank you very much!

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• Oracle Customer Experience (CX) Solutions Make Retailers Merry

  - by Tuula Fai

  Tis the season to be jolly. If you’re a retailer, your level of jolliness depends on sales. So you watch trends like U.S. store traffic increasing 3.5% to 308 million on Black Friday but sales actually falling 1.8% to $11.2 billion. Fortunately, by the end of November, retail sales were up 3.7% over the previous year, thanks to life recovering after Hurricane Sandy. And online sales topped $1 billion for the first time ever! Who are the companies improving their sales online? They are big names like Walgreen’s Drugstore.com, Nordstrom’s HauteLook, and Intuit. More importantly, how are they doing it? They use cutting-edge business practices enabled by Oracle’s CX Cloud Service & Support solutions to: Increase conversions rates and order sizes (Customer Acquisition) Enhance customer satisfaction and loyalty (Customer Retention) Reduce contact center costs and improve agent productivity (Operational Efficiency). Acquisition + Retention + Operational Efficiency = Sustainable Growth and Profits. That’s the magic formula for retail customer service success. Don’t take our word for it. Look at the results of these Oracle customers: Walgreen’s Drugstore—30% sales conversion rate on chat sessions with 20% increase in shopping cart size Nordstrom’s HauteLook—40,000+ interactions per month—20% growth over last year— efficiently managed by 40 agents, with no increase in IT costs Intuit—50% increase in customer satisfaction and 70% decrease in cost per interaction Using Oracle’s CX Cloud & Service solutions, these retailers deliver consistent, relevant, and personalized experiences across all touchpoints, including social, mobile, and web. Their ability to connect with customers anytime, anywhere—providing the right answer at the right time—helps them create a defensible advantage in the marketplace. Want to learn more? Please visit http://www.oracle.com/goto/cloudlaunchpad for free resources on delivering exceptional customer service in the Cloud. Also, watch our YouTube channel to learn more about seamless multichannel retail and Winston Furnishings’ exceptional customer experience.

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• Combining pathfinding with global AI objectives

  - by V_Programmer

  I'm making a turn-based strategy game using Java and LibGDX. Now I want to code the AI. I haven't written the AI code yet. I've simply designed it. The AI will have two components, one focused in tactics and resource management (create troops, determine who have strategical advantage, detect important objectives, etc) and a individual component, focused in assign the work to each unit, examine its possibilites and move the unit. Now I'm facing an important problem. The map where the action take place is a grid-based map. Each terrain has different movement cost. I read about pathfinding and I think A* is a very good option to determine a good route between two points. However, imagine I have an unit with movement = 5 (i.e, it can move 5 tiles of movement cost = 1). My tactical AI has found an objective at a distance d = 20 tiles (Manhattan distance) from my unit. My problem is the following: the unit won't be able to reach the objective in one turn. So the AI will have to store a list of position and execute them in various turns. I don't know how to solve this. PS. In my unit code, I have a list called "selectionMarks" which stores all the possible places where the unit can go in this turn. This places are calculed recursively using a "getSelectionMarks" function. Any help is appreciated :D

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• Install a i386 printer driver into an amd64 distribution or how can I find a good printer based on features?

  - by Yanick Rochon

  Hi, I just bought a Lexmark Interpret S408 all-in-one printer. The box said that it supported Ubuntu 8.04, but I told myself it should work with Lucid... well no. The only driver I have found is for i386 while I have a amd64 image installed; the architecture is incompatible. So, the quesiton is : Is it possible to install that driver anyway, somehow? Or do I need to take that printer back to the store and buy another one? If the latter is the only alternative, I need a printer that has wireless connection capability can do color printing is of good price (less than $200 CAD) Thank you for your answers, help, and tips. ** UPDATE ** The driver was given in the form of deb package (for Debian distributions) and I managed to extract the actual deb package driver out of the install program. I ran sudo dpkg -i --force-all lexmark-inkjet-09-driver-1.5-1.i386.deb and the driver installed, and I was able to print something out. But that pretty much ends there; I cannot access anymore of the printer settings, etc. (i.g. scanner, fax, wifi settings, etc.) I should suffice for now as I'm satisfied with the printer's features (and size, and prince), but if I could have a full-linux-supported printer like that one, I would return this one in exchange for the other.

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• Microsoft Changes Developer Account Registration Requirements

  - by Tim Murphy

  Over the last couple of weeks I have noticed that Microsoft seems to have changed the requirements for Corporate accounts.  These requirements were not in effect when I originally setup the account for the company that I work for.  We also recently had our corporate account canceled without explanation and are in the process of working to get it reinstated.  This all seems to revolve around rules to increase confidence that in the producers of content.  They are now having Symantec validate a company based on legal documents. In the past there have been problems with getting credit cards accepted.  We have had to setup new Live IDs to satisfy whatever glitch the system had or unexplainable requirement.  I am hoping that in the time that has elapsed these problems have been resolved. In truth I can’t say that these new requirements weren’t always in place, but it is getting frustrating to help clients setup accounts.  I am encourage that they have taken steps to safeguard the consumer from Joe-fly-by-night, but they also need to make sure that the process doesn’t become so complex that it drives away companies from participating in the store.  We will have to keep an eye on this as things evolve. del.icio.us Tags: Windows Phone Development,Windows 8 Development,Windows Phone,Windows 8,Registration,Corporate Accounts

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• How do I keep a 3D model on the screen in OpenGL?

  - by NoobScratcher

  I'm trying to keep a 3D model on the screen by placing my glDrawElement functions inside the draw function with the declarations at the top of .cpp. When I render the model, the model attaches it self to the current vertex buffer object. This is because my whole graphical user interface is in 2D quads except the window frame. Is there a way to avoid this from happening? or any common causes of this? Creating the file object: int index = IndexAssigner(1, 1); //make a fileobject and store list and the index of that list in a c string ifstream file (list[index].c_str() ); //Make another string //string line; points.push_back(Point()); Point p; int face[4]; Model rendering code: int numfloats = 4; float* point=reinterpret_cast<float*>(&points[0]); int num_bytes=numfloats*sizeof(float); cout << "Size Of Point" << sizeof(Point) << endl; GLuint vertexbuffer; glGenVertexArrays(1, &vao[3]); glGenBuffers(1, &vertexbuffer); glBindBuffer(GL_ARRAY_BUFFER, vertexbuffer); glBufferData(GL_ARRAY_BUFFER, points.size()*sizeof(points), points.data(), GL_STATIC_DRAW); glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, num_bytes, &points[0]); glEnableClientState(GL_VERTEX_ARRAY); glVertexPointer(3, GL_FLOAT, points.size(), &points[0]); glEnableClientState(GL_INDEX_ARRAY); glIndexPointer(GL_FLOAT, faces.size(), faces.data()); glEnableVertexAttribArray(0); glDrawElements(GL_QUADS, points.size(), GL_UNSIGNED_INT, points.data()); glDrawElements(GL_QUADS, faces.size(), GL_UNSIGNED_INT, faces.data());

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• NINTENDO, EDCON and ALLEGIS GROUP @ Oracle Open World 2012 Conference Session (CON9418): The Business Case for Oracle Exalogic: A Customer Perspective

  - by Sanjeev Sharma

   Are you looking to deliver breakthrough performance for packaged and custom  applications? For many front-office applications such as Oracle WebCenter Sites, Oracle Transportation Management, and Oracle’s ATG and Siebel product families,  improved  performance leads directly to greater revenue or cost savings from the business - a  compelling  proposition. For back-office applications, improved performance has tangible benefits  in terms of  footprint reductions. For all applications, Oracle Exalogic and Oracle Exadata provide an engineered solution that provides shorter time to value and lower operational costs.  Edcon is a leading clothing, footwear and textiles (CFT) retailing group in southern Africa trading through a range of retail formats. The Company has grown from opening it's first store in 1929, to ten retail brands trading in over 1000 stores in South Africa, Botswana, Namibia, Swaziland and Lesotho. Edcon's retail business has, through recent acquisitions, added top stationery and houseware brands as well as general merchandise to its CFT portfolio. Edcon was looking to consolidate their existing middleware components (Weblogic and Oracle SOA) and retail applications (Retek, Siebel and E-Business Suite) on a common platform and turned to Oracle Exalogic. With Oracle Exalogic, Edcon is able to derive significant HW CAPEX savings, improve response-time of core business applications and mitigate operating risk. Hear senior business leaders from Nintendo, Edcon and Allegis Group discuss how the business value of  leveraging Oracle Exalogic at the following conference session at Oracle Open World 2012: Session:  CON9418 - The Business Case for Oracle Exalogic: A Customer PerspectiveDate: Monday, 1 Oct, 2012Time: 1:45 pm - 2:45 pm (PST)Venue: Moscone South (306)

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• 'Buy the app' landing page implementations: redirect or javascript popup?

  - by benwad

  My site (using Django) has an app that I'm trying to push - I currently have a piece of middleware that redirects the user to a page advertising the app if they're accessing the page on the iPhone, then setting a cookie so that the user isn't bugged by the message every time they visit the site. This works fine, however checking the page with the mobile Googlebot checker shows that the Googlebot gets stuck in the redirect (since it doesn't store cookies) and therefore won't index the proper content. So, I'm trying to think of an alternative implementation that won't hurt the site's Google ranking and won't have any other adverse effects. I've considered a couple of options: Redirect (the current solution), but don't redirect if the user agent matches the Googlebot's UA string. This would be ideal, however I'm not sure if Google like their bot being treated differently from other users, and I'm afraid the site's ranking may be somehow penalised if I go ahead with this. Use a Javascript popup instead of a redirect. This would make sure the Googlebot finds the content it needs, however I envision this approach causing compatibility issues with the myriad mobile devices/browsers out there, and may affect the page load time. How valid are these options? And is there a better option for implementing this feature out there? I've tried researching this topic but surprisingly can't find any reputable-looking blog posts that explore this topic.

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• Now Available:Oracle Utilities Customer Care & Billing Version 2.4.0 SP1

  - by Roxana Babiciu

  We are pleased to announce the general availability of Oracle Utilities Customer Care & Billing 2.4.0 SP1. Key Features & Benefits: Oracle Utilities Customer Care & Billing 2.4.0 SP1 includes several base enhancements and a new licensable module called Customer Program Management. Key base enhancements in this release are: Configuration Migration Assistant (Additional Migration Plans) – Configuration Migration Assistant (CMA) was introduced in Oracle Utilities Application Framework V4.2.0 to supersede the ConfigLab facility. Oracle Utilities Customer Care and Billing now has a large number of migration plans to support migrating administration objects between environments. Encryption – Ability to configure encryption for fields that store sensitive data such as credit card numbers, bank account numbers, social security numbers, and MICR ID. Single Euro Payments Area (SEPA) Direct Debit – Functionality for configuring recurring direct debit payments in accordance with the Single Euro Payments Area (SEPA) initiative. Usage Enhancement for Bill Print – Allows additional information to be captured on a usage request to support billing when meter reads are not obtained from Oracle Utilities Customer Care & Billing but from a meter data management system (e.g. Oracle Utilities Meter Data Management). Preferences Portal – Communication preference zones allowing utilities to track customers’ preferred communication channels for various types of notifications or communications (e.g. phone, SMS, email). More information can be found on OPN!

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• Software development company business plan

  - by Navi

  I apologize in advance if this is the wrong forum for this question, so please forward me to the right place. I have about 10 years professional experience as software developer. Mostly on the Java platform doing server side programs. I have picked up a bit of Linux skills on the way as well. I know HTML and Javascript, so I can make a website that would not be too ugly, but I am not going to win any prizes with it. In fact I think I am pretty terrible in the user interface department. My initial plan is to do Android development. I read a few Android books and tried making a few apps. Since it is Java based I think I got the technical side down. Lately I have been thinking about iphone and Mac development, because of the relevant app store/development programs. The trouble is I don't know Objective C. As a side question, how long would it take me to become proficient in Objective C? Considering that I am working on my own and could hire somebody to help me for a short time for low wages if necessary what are my options? What are the pro and cons of the development programs app stores of Android and Apple? Which development/app stores are out there beside the ones I mentioned? Do you think it is necessary to find funds to get me started or should I just use my savings? If you have positive/negative experiences in a similar situations can you please share them? Thanks for your help.

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• Migration a database from 32bit to 64bit

  - by Mike Dietrich

  Database migrations from an 32bit environment to an 64bit environment keeping the same platform architecture (e.g. moving an Oracle 10.2.0.5 database from MS Windows XP 32bit to MS Windows Server 2003 64bit) does not happen that often anymore. But still we see them getting done. And there are a few things to note when doing such a move. First of all the important question is:Will you upgrade your database as part of this move - Yes or No? If you say "Yes" then you are almost done with that topic as we will take care of that bitnes move during the upgrade. The only thing you have to take care is OLAP in case you are using OLAP Option with Analytic Workspaces (AW) by yourself. Those store data in Binary LOBs - and in order to move AWs from 32bit to 64bit you have to export your AWs prior to the move - and import them later on. People who don't use OLAP don't have to take care on this. But if you say "No" (meaning: no upgrade actions involved - you keep your database version) then you have to make sure to invalidate all packages and stored code in the database before you shutdown your database in the 32bit environment and prior to moving it over. And the same rule as above for OLAP applies once you use the OLAP Option. In the source environment: startup upgrade;    -- [or startup migrate; -- for Oracle 9i] @?/rdbms/admin/utlirp.sqlshutdown immediate In the destination environment: startup upgrade @?/olap/admin/xumuts.plb --Only if OLAP Option is installed@?/rdbms/admin/utlrp.sql The script utlirp.sql will invalidate all packages and stored code, utlrp.sql will recompile - and xumuts.plb will rebuild the OLAP Analytic Workspaces in case you have the OLAP Option installed.

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• How to make a text search template?

  - by Flipper

  I am not really sure what to call this, but I am looking for a way to have a "template" for my code to go by when searching for text. I am working on a project where a summary for a piece of text is supplied to the user. I want to allow the user to select a piece of text on the page so that the next time they come across a similar page I can find the text. For instance, lets say somebody goes to foxnews.com and selects the article like in the image below. Then whenever they go to any other foxnews.com article I would be able to identify the text for the article and summarize it for them. But an issue I see with this is for a site like Stack Exchange where you have multiple comments to be selected (like below) which means that I would have to be able to recursively search for all separate pieces of text. Requirements Be able to keep pieces of text separate from each other. Possible Issues DIV's may not contain ids, classes, or names. A piece of text may span across multiple DIVs How to recognize where an old piece of text ends and a new begins. How to store this information for later searching?

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• Using mod_speling with multi-level htaccess and rewriterules

  - by michaelcgorman

  We recently switched formats for managing our 301s. For the most part, everything went well, but it seems to have stopped mod_speling from working properly. Here's what we changed: old /var/www/html/.htaccess: RewriteEngine on RewriteBase / # Change SHTML to HTML RewriteRule ^(.*)\.shtml$ $1.html [R=permanent,L] # Change PCF to HTML ('cause, you know, we probably have CMS users like that...) RewriteRule ^(.*)\.pcf$ $1.html [R=permanent,L] # Force WWW subdomain for all requests RewriteCond %{HTTP_HOST} !^www.example.edu$ [NC] RewriteRule ^(.*)$ http://www.example.edu/$1 [R,L] # User accounts are on sun.example.edu RedirectMatch ^/~(.*)$ http://sun.example.edu/~$1 # Remove index.html at the end of URLs RewriteCond %{REQUEST_URI} ^(.*/)index\.html$ [NC] RewriteRule . %1 [R=301,NE,L] Redirect 301 /academics/calendar2012-13.html http://www.example.edu/academics/calendar.html Redirect 301 /academics/departments/ http://www.example.edu/majors/ Redirect 301 /academics/Pre-Medical.pdf http://www.example.edu/academics/Pre-Medicine.pdf Redirect 301 ... new /var/www/html/.htaccess: RewriteEngine on RewriteBase / # Change SHTML to HTML RewriteRule ^(.*)\.shtml$ $1.html [R=permanent,L] # Change PCF to HTML ('cause, you know, we probably have CMS users like that...) RewriteRule ^(.*)\.pcf$ $1.html [R=permanent,L] # Force WWW subdomain for all requests RewriteCond %{HTTP_HOST} !^www.example.edu$ [NC] RewriteRule ^(.*)$ http://www.example.edu/$1 [R,L] # User accounts are on sun.example.edu RedirectMatch ^/~(.*)$ http://sun.example.edu/~$1 # Remove index.html at the end of URLs RewriteCond %{REQUEST_URI} ^(.*/)index\.html$ [NC] RewriteRule . %1 [R=301,NE,L] RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^(.*) 404/$1 And then we added a new file at /var/www/html/404/.htaccess: RewriteEngine on RewriteBase /404 RewriteRule ^academics/calendar2012-13.html$ /academics/calendar.html [R=302,L] RewriteRule ^academics/departments/$ /majors/ [R=301,L] RewriteRule ^academics/Pre-Medical.pdf$ /academics/Pre-Medicine.pdf[R=301,L] RewriteRule ... I do have (Webmin-based) access to the httpd.conf (though we don't want to store all our 301s there, if possible). We're running Apache 2.2.15 on RHEL 6 on a server in our own data center. Like I said, the only problem we're seeing is that mod_speling isn't doing its magic anymore. The new format has so many advantages over the old that we really don't want to go back, but mod_speling is so nice to have that we'd also really like it to work if possible. Any ideas for how we might be able to fix mod_speling?

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• What Pattern will solve this - fetching dependent record from database

  - by tunmise fasipe

  I have these classes class Match { int MatchID, int TeamID, //used to reference Team ... other fields } Note: Match actually have 2 teams which means 2 TeamID class Team { int TeamID, string TeamName } In my view I need to display List<Match> showing the TeamName. So I added another field class Match { int MatchID, int TeamID, //used to reference Team ... other fields string TeamName; } I can now do Match m = getMatch(id); m.TeamName = getTeamName(m.TeamId); //get name from database But for a List<Match>, getTeamName(TeamId) will go to the database to fetch TeamName for each TeamID. For a page of 10 Matches per page, that could be (10x2Teams)=20 trip to database. To avoid this, I had the idea of loading everything once, store it in memory and only lookup the TeamName in memory. This made me have a rethink that what if the records are 5000 or more. What pattern is used to solve this and how?

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• How to pass one float as four unsigned chars to shader by glVertexPointAttrib?

  - by Kog

  For each vertex I use two floats as position and four unsigned bytes as color. I want to store all of them in one table, so I tried casting those four unsigned bytes to one float, but I am unable to do that correctly... All in all, my tests came to one point: GLfloat vertices[] = { 1.0f, 0.5f, 0, 1.0f, 0, 0 }; glEnableVertexAttribArray(0); glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 2 * sizeof(float), vertices); // VER1 - draws red triangle // unsigned char colors[] = { 0xff, 0, 0, 0xff, 0xff, 0, 0, 0xff, 0xff, 0, 0, // 0xff }; // glEnableVertexAttribArray(1); // glVertexAttribPointer(1, 4, GL_UNSIGNED_BYTE, GL_TRUE, 4 * sizeof(GLubyte), // colors); // VER2 - draws greenish triangle (not "pure" green) // float f = 255 << 24 | 255; //Hex:0xff0000ff // float colors2[] = { f, f, f }; // glEnableVertexAttribArray(1); // glVertexAttribPointer(1, 4, GL_UNSIGNED_BYTE, GL_TRUE, 4 * sizeof(GLubyte), // colors2); // VER3 - draws red triangle int i = 255 << 24 | 255; //Hex:0xff0000ff int colors3[] = { i, i, i }; glEnableVertexAttribArray(1); glVertexAttribPointer(1, 4, GL_UNSIGNED_BYTE, GL_TRUE, 4 * sizeof(GLubyte), colors3); glDrawArrays(GL_TRIANGLES, 0, 3); Above code is used to draw one simple red triangle. My question is - why do versions 1 and 3 work correctly, while version 2 draws some greenish triangle? Hex values are one I read by marking variable during debug. They are equal for version 2 and 3 - so what causes the difference?

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• What "file system" is supported by Windows and Linux?

  - by Skiroid

  I'm setting up a media centre for my living room so that I'm able to watch downloaded films and TV shows on the big screen. The media centre is an old small computer which will have XBMCbuntu 12 installed on it. Right now, the media centre has a 300 GB HDD partitioned into two: 1) Ext4 50 GB (where I'll install the OS) 2) swap 6 GB (swap area) I'm wanting a third partition which I can store all my media on to. This partition will fill the rest of my HDD. Although, I'm stuck on which file system I should set it to. I need the file system to be fully compatible with Windows as I'm going to be removing the HDD from the media centre and plugging it into my main PC, running Windows 8, to transfer the media onto it. I can't transfer over Wi-Fi as the media centre won't be connected to the Internet. My options are: Ext4 journaling, Ext3 journaling, Ext2 journaling, ReiserFS journaling, btrfs journaling, JFS journaling, XFS journaling, FAT16 and FAT32. I know that FAT32 is compatible with Windows but it can only hold files that are 4 GB or less and my films are well over 4 GB. Some more than 10 GB. Is there a file system I can use which is supported by Linux and pops up under Computer in Windows?

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• Where is he now?

  - by Chris G. Williams

  A couple months ago, I announced I was leaving Magenic in order to take a break from consulting. I figured I'd post an update as to what I'm doing now, since I haven't exactly been slacking off.1) I accepted a position as a Lead Developer with RealPage. I work on a number of internal use applications for a subsidiary known as LevelOne. The majority of my work is in ASP.NET, a surprising amount of VB.NET, some C# and I'm picking up a few new tools for my belt... specifically Python, MongoDB and Perl.2) I am still the owner of Big Robot Games, a retail game store / coffee shop in the South Carolina upstate region. I'm not as involved in the day to day activity as I was, but I'm there most nights and weekends, when I'm not off doing other things, like #3.3) I am on the staff of Rock Revolt Magazine as a journalist, covering live performances as well as interviewing bands, providing album & video game reviews, fixing the website and the occasional prison ink. (Just kidding on that last one.)4) In whatever time is leftover, I still manage to bang out a little code on Heroic Adventure! (aka HA!) and talk about Windows Phone, XNA and whatever else suits me, wherever they'll let me.I guess that's about it.

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• Would form keys reduce the amount of spam we receive?

  - by David Wilkins

  I work for a company that has an online store, and we constantly have to deal with a lot of spam product reviews, and bogus customer accounts. These are all created by automated systems and are more of a nuisance than anything. What I am thinking of (in lieu of captcha, which can be broken) is adding a sort of form key solution to all relevant forms. I know for certain some of the spammers are using XRumer, and I know they seldom request a page before sending us the form data (Is this the definition of CSRF?) so I would think that tying a key to each requested form would at least stem the tide. I also know the spammers are lazy and don't check their work, or they would see that we have never posted a spam review, and they have never gained any revenue from our site. Would this succeed in significantly reducing the volume of spam product reviews and customer account creations we are seeing? EDIT: To clarify what I mean by "Form Keys": I am referring to creating a unique identifier (or "key") that will be used as an invisible, static form field. This key will also be stored either in the database (relative to the user session) or in a cookie variable. When the form's target gets a request, the key must be validated for the form's data to be processed. Those pesky bots won't have the key because they don't load the javascript that generates the form (they just send a blind request to the target) and even if they did load the javascript once, they'd only have one valid key, and I'm not sure they even use cookies.

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• Static pages for large photo album

  - by Phil P

  I'm looking for advice on software for managing a largish photo album for a website. 2000+ pictures, one-time drop (probably). I normally use MarginalHack's album, which does what I want: pre-generate thumbnails and HTML for the pictures, so I can serve without needing a dynamic run-time, so there's less attack surface to worry about. However, it doesn't handle pagination or the like, so it's unwieldy for this case. This is a one-time drop for pictures from a wedding, with a shared usercode/password for distribution to the guests; I don't wish to put the pictures in a third-party hosting environment. I don't wish to use PHP, simply because that's another run-time to worry about, I might relent and use something dynamic if it's Python or Perl based (as I can maintain things written in those). I currently have: Apache serving static files, Album-generated, some sub-directories to divide up the content to be a little more manageable. Something like Album but with pagination already handled would be great, but I'm willing to have something a little more dynamic, if it lets people comment or caption and store the extra data in something like an sqlite DB. I'd want something light-weight, not a full-blown CMS with security updates every three months. I don't want to upload pictures of other peoples' children into a third-party free service where I don't know what the revenue model is. (For my site: revenue is none, costs out of pocket). Existing server hosting is *nix, Apache, some WSGI. Client-side I have MacOS. Any advice?

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