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  • ArchBeat Link-o-Rama for August 2, 2013

    - by OTN ArchBeat
    Podcast: Data Warehousing and Oracle Data Integrator - Part 2 Part to of the discussion about Data Warehousing and Oracle Data Integrator focuses on a discussion of how data warehousing is changing and the forces driving that change. Panelists for this discussion are Uli Bethke, Oracle ACE Director Cameron Lackpour, Oracle ACE Director (and guest producer) Gurcan Orhan, and Michael Rainey. Case Management In-Depth: Cases & Case Activities Part 1 – Acivity Scope | Mark Foster FMW solution architect Mark Foster kicks off a new series with a look at the decisions made on the scope of BPM process case activities. Video: Quick Intro to WebLogic Maven Plugin 12.1.2 | Mark Nelson This YouTube video by FMW solution architect Mark Nelson offers a quick introduction to the basics of installing and using the new Oracle WebLogic 12.1.2 Maven Plugin. Running the Managed Coherence Servers Example in WebLogic Server 12c | Tim Middleton FMW solution architect Tim Middleton shares the technical details on the new Managed Coherence Servers feature and outlines how you can run the sample application available with a WebLogic Server 12.1.2 install. What’s wrong with how we develop and deliver SOA Applications today? | Mark Nelson "When we arrive at the go-live day, we have a lot of fear and uncertainty," says solution architect Mark Nelson of the typical SOA practice. "We have no idea if the system is going to work in production. We have never tested it under a production-like load, and we have not really tested it for performance, longevity, etc." OTN Latin America Tour 2013 | Kai Yu Oracle ACE Director Kai Yu shares the session abstracts from his participation in the 2013 Oracle Technology Network Latin America conference tour, which made its way through OUG conferences in Ecuador, Guatemala, Panama, and Costa Rica. Webcast: Latest Security Innovations in Oracle Database 12c Oracle Database 12c includes more new security capabilities than any other release in Oracle history! In this webcast Roxana Bradescu (Director, Oracle Database Security Product Management) will discuss these capabilities and answer your questions. (Registration required.) Thought for the Day "The main goal in life career-wise should always be to try to get paid to simply be yourself." — Kevin Smith (Born August 2, 1970) Source: brainyquote.com

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  • Giving PHP the permission to make a git pull request

    - by Bernd
    I would like to allow PHP to execute a Git pull command. But there are some problems with the user and permissions. How did you solve the problem? PHP runs as user www-data. Therefore I've changed the .git directory owner/group to www-data (chown www-data:www-data -R .git). As it is turned out later www-data has no SSH keys. Is it a good idea to give it one? If yes where to place? Or is it possible to allow it to use a specific key. Best regards, Bernd

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  • Where Facebook Stands Heading Into 2013

    - by Mike Stiles
    In our last blog, we looked at how Twitter is positioned heading into 2013. Now it’s time to take a similar look at Facebook. 2012, for a time at least, seemed to be the era of Facebook-bashing. Between a far-from-smooth IPO, subsequent stock price declines, and anxiety over privacy, the top social network became a target for comedians, politicians, business journalists, and of course those who were prone to Facebook-bash even in the best of times. But amidst the “this is the end of Facebook” headlines, the company kept experimenting, kept testing, kept innovating, and pressing forward, committed as always to the user experience, while concurrently addressing monetization with greater urgency. Facebook enters 2013 with over 1 billion users around the world. Usage grew 41% in Brazil, Russia, Japan, South Korea and India in 2012. In the Middle East and North Africa, an average 21 new signups happen per minute. Engagement and time spent on the site would impress the harshest of critics. Facebook, while not bulletproof, has become such an integrated daily force in users’ lives, it’s getting hard to imagine any future mass rejection. You want to see a company recognizing weaknesses and shoring them up. Mobile was a weakness in 2012 as Facebook was one of many caught by surprise at the speed of user migration to mobile. But new mobile interfaces, better mobile ads, speed upgrades, standalone Messenger and Pages mobile apps, and the big dollar acquisition of Instagram, were a few indicators Facebook won’t play catch-up any more than it has to. As a user, the cool thing about Facebook is, it knows you. The uncool thing about Facebook is, it knows you. The company’s walking a delicate line between the public’s competing desires for customized experiences and privacy. While the company’s working to make privacy options clearer and easier, Facebook’s Paul Adams says data aggregation can move from acting on what a user is engaging with at the moment to a more holistic view of what they’re likely to want at any given time. To help learn about you, there’s Open Graph. Embedded through diverse partnerships, the idea is to surface what you’re doing and what you care about, and help you discover things via your friends’ activities. Facebook’s Director of Engineering, Mike Vernal, says building mobile social apps connected to Facebook in such ways is the next wave of big innovation. Expect to see that fostered in 2013. The Facebook site experience is always evolving. Some users like that about Facebook, others can’t wait to complain about it…on Facebook. The Facebook focal point, the News Feed, is not sacred and is seeing plenty of experimentation with the insertion of modules. From upcoming concerts, events, suggested Pages you might like, to aggregated “most shared” content from social reader apps, plenty could start popping up between those pictures of what your friends had for lunch.  As for which friends’ lunches you see, that’s a function of the mythic EdgeRank…which is also tinkered with. When Facebook changed it in September, Page admins saw reach go down and the high anxiety set in quickly. Engagement, however, held steady. The adjustment was about relevancy over reach. (And oh yeah, reach was something that could be charged for). Facebook wants users to see what they’re most likely to like, based on past usage and interactions. Adding to the “cream must rise to the top” philosophy, they’re now even trying out ordering post comments based on the engagement the comments get. Boy, it’s getting competitive out there for a social engager. Facebook has to make $$$. To do that, they must offer attractive vehicles to marketers. There are a myriad of ad units. But a key Facebook marketing concept is the Sponsored Story. It’s key because it encourages content that’s good, relevant, and performs well organically. If it is, marketing dollars can amplify it and extend its reach. Brands can expect the rollout of a search product and an ad network. That’s a big deal. It takes, as Open Graph does, the power of Facebook’s user data and carries it beyond the Facebook environment into the digital world at large. No one could target like Facebook can, and some analysts think it could double their roughly $5 billion revenue stream. As every potential revenue nook and cranny is explored, there are the users themselves. In addition to Gifts, Facebook thinks users might pay a few bucks to promote their own posts so more of their friends will see them. There’s also word classifieds could be purchased in News Feeds, though they won’t be called classifieds. And that’s where Facebook stands; a wildly popular destination, a part of our culture, with ever increasing functionalities, the biggest of big data, revenue strategies that appeal to marketers without souring the user experience, new challenges as a now public company, ongoing privacy concerns, and innovations that carry Facebook far beyond its own borders. Anyone care to write a “this is the end of Facebook” headline? @mikestilesPhoto via stock.schng

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  • Multiple Object Instantiation

    - by Ricky Baby
    I am trying to get my head around object oriented programming as it pertains to web development (more specifically PHP). I understand inheritance and abstraction etc, and know all the "buzz-words" like encapsulation and single purpose and why I should be doing all this. But my knowledge is falling short with actually creating objects that relate to the data I have in my database, creating a single object that a representative of a single entity makes sense, but what are the best practises when creating 100, 1,000 or 10,000 objects of the same type. for instance, when trying to display a list of the items, ideally I would like to be consistent with the objects I use, but where exactly should I run the query/get the data to populate the object(s) as running 10,000 queries seems wasteful. As an example, say I have a database of cats, and I want a list of all black cats, do I need to set up a FactoryObject which grabs the data needed for each cat from my database, then passes that data into each individual CatObject and returns the results in a array/object - or should I pass each CatObject it's identifier and let it populate itself in a separate query.

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  • What should I learn to create web-services like ones listed? [closed]

    - by Gerald Blizz
    I am very inspired by websites like imgur, dropbox, screencloud, maybe w3schools...you get my point. Fresh web-services with some new idea, not big portals but something simple yet useful and used by many people, something simple and new. What aspects of my developer career should I focus to be able to build such things on my own if I have enough ideas? (Sure if it ends up being popular I can get more developers to help me and so on, but at first I can do it alone, right?) I am currently a PHP web-developer, I know HTML+CSS+JS+AJAX+JQuery. But even like that there still is web-design, there are a lot of paths: websites for enterprise, startups, webservices, entertainment websites and serious bank/document flow systems, frameworks used for big systems, different approaches for little ones, etcetcetc. Which path should I take to be able to start my own projects like the ones that I listed on top which inspire me?

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  • Is there a better term than "smoothness" or "granularity" to describe this language feature?

    - by Chris
    One of the best things about programming is the abundance of different languages. There are general purpose languages like C++ and Java, as well as little languages like XSLT and AWK. When comparing languages, people often use things like speed, power, expressiveness, and portability as the important distinguishing features. There is one characteristic of languages I consider to be important that, so far, I haven't heard [or been able to come up with] a good term for: how well a language scales from writing tiny programs to writing huge programs. Some languages make it easy and painless to write programs that only require a few lines of code, e.g. task automation. But those languages often don't have enough power to solve large problems, e.g. GUI programming. Conversely, languages that are powerful enough for big problems often require far too much overhead for small problems. This characteristic is important because problems that look small at first frequently grow in scope in unexpected ways. If a programmer chooses a language appropriate only for small tasks, scope changes can require rewriting code from scratch in a new language. And if the programmer chooses a language with lots of overhead and friction to solve a problem that stays small, it will be harder for other people to use and understand than necessary. Rewriting code that works fine is the single most wasteful thing a programmer can do with their time, but using a bazooka to kill a mosquito instead of a flyswatter isn't good either. Here are some of the ways this characteristic presents itself. Can be used interactively - there is some environment where programmers can enter commands one by one Requires no more than one file - neither project files nor makefiles are required for running in batch mode Can easily split code across multiple files - files can refeence each other, or there is some support for modules Has good support for data structures - supports structures like arrays, lists, and especially classes Supports a wide variety of features - features like networking, serialization, XML, and database connectivity are supported by standard libraries Here's my take on how C#, Python, and shell scripting measure up. Python scores highest. Feature C# Python shell scripting --------------- --------- --------- --------------- Interactive poor strong strong One file poor strong strong Multiple files strong strong moderate Data structures strong strong poor Features strong strong strong Is there a term that captures this idea? If not, what term should I use? Here are some candidates. Scalability - already used to decribe language performance, so it's not a good idea to overload it in the context of language syntax Granularity - expresses the idea of being good just for big tasks versus being good for big and small tasks, but doesn't express anything about data structures Smoothness - expresses the idea of low friction, but doesn't express anything about strength of data structures or features Note: Some of these properties are more correctly described as belonging to a compiler or IDE than the language itself. Please consider these tools collectively as the language environment. My question is about how easy or difficult languages are to use, which depends on the environment as well as the language.

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  • Flattening a Jagged Array with LINQ

    - by PSteele
    Today I had to flatten a jagged array.  In my case, it was a string[][] and I needed to make sure every single string contained in that jagged array was set to something (non-null and non-empty).  LINQ made the flattening very easy.  In fact, I ended up making a generic version that I could use to flatten any type of jagged array (assuming it's a T[][]): private static IEnumerable<T> Flatten<T>(IEnumerable<T[]> data) { return from r in data from c in r select c; } Then, checking to make sure the data was valid, was easy: var flattened = Flatten(data); bool isValid = !flattened.Any(s => String.IsNullOrEmpty(s)); You could even use method grouping and reduce the validation to: bool isValid = !flattened.Any(String.IsNullOrEmpty); Technorati Tags: .NET,LINQ,Jagged Array

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  • 10gR2 Transportable Tablespaces Certified for EBS 11i

    - by Steven Chan
    Database migration across platforms of different "endian" (byte ordering) formats using the Cross Platform Transportable Tablespaces (XTTS) process is now certified for Oracle E-Business Suite Release 11i (11.5.10.2) with Oracle Database 10g Release 2.  This process is sometimes also referred to as transportable tablespaces (TTS).What is the Cross-Platform Transportable Tablespace Feature?The Cross-Platform Transportable Tablespace feature allows users to move a user tablespace across Oracle databases. It's an efficient way to move bulk data between databases. If the source platform and the target platform are of different endianness, then an additional conversion step must be done on either the source or target platform to convert the tablespace being transported to the target format. If they are of the same endianness, then no conversion is necessary and tablespaces can be transported as if they were on the same platform.Moving data using transportable tablespaces can be much faster than performing either an export/import or unload/load of the same data. This is because transporting a tablespace only requires the copying of datafiles from source to the destination and then integrating the tablespace structural information. You can also use transportable tablespaces to move both table and index data, thereby avoiding the index rebuilds you would have to perform when importing or loading table data.

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  • Convenience of mySQL over xml

    - by Bonechilla
    Currently I use XML to store specific information to correctly load a few things such as a list of specfied characters, scenes and music, Once more I use JAXB in combination with standard compression/decompression(ZIP) functionality to store a list of extrenous data. This data is called to add functionality to the character, somewhat like Skills in an RPG. Each skill is seperated into its own XML file with a grandlist which contains the names of each file with their extensions omitted and zipped in folder that gets encrypted. At first using xml was working fine however as the skill list grow i worry about its stability. I was wondering if I should begin storing the data in mySQL. Originally I planned to simply convert everything to JSON over xml but i think possibly mySQL would be a better move. Can anyone inform me of the key difference and pros and cons of each I guess i'm looking for the best way to store the data more conviently and would be easier to operate on. The data is mostly primatives and strings and the only arraylist of values i have i can just concat into a single field and parse later Edit: If I am going in the right direction with XML would it make sense to convert it to JSON and use maybe Kyro or EclipseLink JAXB (MOXy)

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  • T-SQL User-Defined Functions: the good, the bad, and the ugly (part 4)

    - by Hugo Kornelis
    Scalar user-defined functions are bad for performance. I already showed that for T-SQL scalar user-defined functions without and with data access, and for most CLR scalar user-defined functions without data access , and in this blog post I will show that CLR scalar user-defined functions with data access fit into that picture. First attempt Sticking to my simplistic example of finding the triple of an integer value by reading it from a pre-populated lookup table and following the standard recommendations...(read more)

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  • ArchBeat Link-o-Rama for November 8, 2012

    - by Bob Rhubart
    Webcast: Meeting Customer Expectations in the New Age of Retail Keep your eye on this live webcast as Sanjeev Sharma (Principal Product Director, Oracle Exalogic), Kelly Goetsch (Senior Principal Product Manager, Oracle Commerce), and Dan Conway (Senior Product Manager, Oracle Retail) offer real-world examples of business value derived by running customer-facing applications on Oracle Engineered Systems. Live, Thursday Nov 8, 10am PT/ 1pm ET. Solving Big Problems in Our 21st Century Information Society | Irving Wladawsky-Berger "I believe that the kind of extensive collaboration between the private sector, academia and government represented by the Internet revolution will be the way we will generally tackle big problems in the 21st century. Just as with the Internet, governments have a major role to play as the catalyst for many of the big projects that the private sector will then take forward and exploit. The need for high bandwidth, robust national broadband infrastructures is but one such example." — Irving Wladawsky-Berger SOA Still Not Dead: Ratification of Governance Standard Highlights SOA’s Continued Relevance So just about the time I dig into Google Trends to learn that the conversation about governance peaked in 2004, along comes all this InfoQ article by Richard Seroter. And of course you've already listened to the OTN Archbeat Podcast about governance, right? Right? Implications of Java 6 End of Public Updates for Oracle E-Business Suite Users | Steven Chan The short version is: "Nothing will change for EBS users after February 2013." According to Steven Chan, "EBS users will continue to receive critical bug fixes and security fixes as well as general maintenance for Java SE 6." You'll find additional information on Steven's blog. ADF Mobile Custom Javascript – iFrame Injection | John Brunswick The ADF Mobile Framework provides a range of out of the box components to add within your AMX pages, according to John Brunswick. But what happens when "an out of the box component does not directly fulfill your development need? What options are available to extend your application interface?" John has an answer. How Data and BPM are married to get the right information to the right people at the right time | Leon Smiers "Business Process Management…supports a large group of stakeholders within an organization, all with different needs," says Oracle ACE Leon Smiers. "End-to-end processes typically run across departments, stakeholders and applications, and can often have a long life-span. So how do organizations provide all stakeholders with the information they need?" Leon provides answers in this post. Thought for the Day "(When) asking skilled architects…what they do when confronted with highly complex problems…(they) would most likely answer, 'Just use Common Sense.' (A) better expression than 'common sense' is 'contextual sense' — a knowledge of what is reasonable within a given content. Practicing architects through eduction, experience and examples accumulate a considerable body of contextual sense by the time they're entrusted with solving a system-level problem…" — Eberhardt Rechtin (January 16, 1926 – April 14, 2006) Source: SoftwareQuotes.com

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  • ubuntu 13.04 - wireless settings help

    - by James Ellis
    Im having problems connecting my wifi in Ubuntu 13.04 So i was wondering if filling in the data manually ie: the IPv4, IPv6, the SSID and BSSID info etc. I did try this before but maybe i put in the wrong data or maybe not enough Would that make it work?? I just dont know how to find out some of the data you need to put in or if im putting the wrong stuff in??? Im new and its confusing. does anyone know the solution?

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  • How to bind ArrayList Object to an ASPxGridView control

    - by nikolaosk
    I have been involved with a ASP.Net project recently and I have implemented it using the awesome DevExpress ASP.Net controls. Parts of the project involved binding data from custom objects, SqlDataSource & ObjectDataSource data sources to the ASPxGridView control. In this post I will show you how to bind data from an ArrayList object to the ASPxGridView control . If you want to implement this example you need to download the trial version of these controls unless you are a licensed holder of...(read more)

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  • The Developer's Conference Florianópolis, Brazil

    - by Tori Wieldt
    by guest blogger Yara Senger With over 2900 developers in person and another 2000 online, The Developer's Conference (TDC) in Florianópolis, Brazil, reminds us that Java is BIG in Brazil. The conference included 20 different tracks, and Java was the most popular track. Java was also a big part of the talks in the IoT, Cloud and BigData tracks. Here's my overview (in Brazilian Portguese): Several JUGs were involved in TDC Florianópolis, serving as track leads, speakers and all-around heros, including SouJava SouJava Campinas GUJava Santa Catarina JUG Vale JUG Maringá Java Bahia GOJava (Goinia) JUG Rio do Sul RS Jug (Rio Grande do Sul) and I thank them for their support and commitment. It is a vibrant and fun community! We saw that the IoT space is maturing rapidly. There are already some related to embedded in the region.  Java Evangelist Bruno Borges and Marco Antonio Maciel gave a view popular talk "Java: Tweet for Beer!" They demonstrated how to make a beer tap controlled by Java and connected to the Internet, using a visual application JavaFX with Java SE 8, running on a Rasperry Pi. Of course, they had to test the application quite throughly.   We Brazilians are training the next generation of Java developers. TDC4Kids was as big success. We made a tour with the kids in all booths and almost everybody talked about Java. Java in government managment (Betha), Java on the 2048  (Oracle), Java on the popcorn machine and Java training (Globalcode & V.Office) and of course: Java & Minecraft! OTN's Pablo Ciccarello was there to support the community.  He did several video interviews with JUG leaders and speakers (mine included). You can watch more videos on his TDC Florianópolis playlist.  Thank you, Oracle and OTN for all your support. We interacted with thousands of Java developers at The Developer's Conference Florianópolis. If you want to join us, we are planning two more conferences this year: The Developer's Conference São Paulo, July  The Developer's Conference Porto Alegre, October 

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  • ubuntu 9.04 /var/www permissions

    - by luca
    ubuntu 9.04, user luca wants to access the /var/www directory. the directory is owned by user root, group root I changed the group ownership to www-data (sudo chgrp -R www-data /var/www/) and added write privileges to that group (sudo chmod -R g+r /var/www), and added luca to that group (sudo adduser luca www-data). Now, why can't luca still write to /var/www? It should be able to, right? in /etc/group we have: "www-data:x:33:luca" permissions for /var/www are: "drwxrwxr-x 2 root www-data 4096 Feb 26 15:35 www"

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  • beginner - best way to do a 'Confirm' page? [closed]

    - by W_P
    I am a beginning web app developer, wondering about the best way to implement a "Confirm Page" upon form submission. I have heard that it's best for the script that a form POSTs to to be implemented by handling the POST data and then redirecting to another page, so the user isn't directly viewing the page that was POSTed to. My question is about the best way to implement a "Confirm before data save" page. Do I Have my form POST to a script, which marshals the data, puts in a GET, and redirects to the confirm page, which unmarshals and displays the data in another form, where the user can then either confirm (which causes another POST to a script that actually saves the data) or deny (which causes the user to be redirected back to the original form, with their input added)? Have my form POST directly to the confirm page, which is displayed to the user and then, like #1, gives the user the option to confirm or deny? Have my form GET the confirm page, which then does the expected behavior? I feel like there is a common-sense answer to this question that I am just not getting.

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  • Creating a chained dropdownlist using AJAX and XML

    This article is about to create a chained drop down list when we need to represent data from hierarchical data sets. Here Ill be discussing the method to populate ASPX dropdown lists using partial page rendering with AJAX. My database is simple XML data file....Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Creating a chained dropdownlist using AJAX and XML

    This article is about to create a chained drop down list when we need to represent data from hierarchical data sets. Here I’ll be discussing the method to populate ASPX dropdown lists using partial page rendering with AJAX. My database is simple XML data file.

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  • Archbeat Link-O-Rama Top 10 Facebook Faves for October 20-26, 2013

    - by OTN ArchBeat
    What are the 4,460 fans of the OTN ArchBeat Facebook Page talking about? The list below represents the Top 10 most popular articles, blog posts, and other content from across the community. Enterprise Grade Deployment Considerations for Oracle Identity Manager AD Connector | Firdaus Fraz Oracle Fusion Middleware solution architect Firdaus Fraz illustrates provides best practice recommendations for setting up an enterprise deployment environment for the OIM connector for Microsoft Active Directory. A Roadmap for SOA Development and Delivery | Mark Nelson Do you know the way to S-O-A? Mark Nelson does. His latest blog post, part of an ongoing series, will help to keep you from getting lost along the way. The road ahead for WebLogic 12c | Edwin Biemond Oracle ACE Edwin Biemond shares his thoughts on announced new features in Oracle WebLogic 12.1.3 & 12.1.4 and compares those upcoming releases to Oracle WebLogic 12.1.2. Oracle GoldenGate 12c - New Release, New Features | Michael Rainey Rittman Mead's Michael Rainey takes you on guided tour through the GoldenGate 12c features that "are relevant to data warehouse and data migration work we typically see in the business intelligence world." Reproducing WebLogic Stuck Threads with ADF CreateInsert Operation and ORDER BY Clause | Andrejus Baranovsikis Another post from Oracle ACE Director Andrejus Baranovsikis on dealing with WebLogic Stuck Threads. This one includes a test case application you can download. The Impact of SaaS - The Times They Are A-Changin' | Floyd Teter Oracle ACE Director Floyd Teter shares some truly interesting insight gained in conversations with three Fortune 500 CIOs. Configure Oracle Identity Manager AD/LDAP Authentication | Arda Eralp A step-by-step how-to from a member of the Fusion Middleware Applications Consultancy team. Java-Powered Robot Named NAO Wows Crowds | Tori Wieldt Tori Wieldt interviews a robot and human. Updated ODI Statement of Direction | Robert Schweighardt Heads up Oracle Data Integrator fans! A new product statement of direction document is available, offering "an overview of the strategic product plans for Oracle’s data integration products for bulk data movement and transformation, specifically Oracle Data Integrator (ODI) and Oracle Warehouse Builder (OWB)." Oracle BI Apps 11.1.1.7.1 – GoldenGate Integration - Part 2: Setup and Configuration | Michael Rainey Michael Rainey continues his series with another technical article for you GoldenGate fans. Thought for the Day "Intuition will tell the thinking mind where to look next." — Jonas Salk, American medical researcher and virologist (October 28, 1914 – June 23, 1995) Source: brainyquote.com

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