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  • Six Rubens’ Tubes Combined Into a Fire-Based Music Visualizer [Video]

    - by Jason Fitzpatrick
    The last Rubens’ Tube setup we shared with you was but a simple single tube. This impressive setup is six independent tubes that register distinct frequencies of sound in a musical composition as standing flames. Check out the video to see it in action. Curious about the Rubens’ Tubes? Read more about the phenomenon here. [via Design Boom] 8 Deadly Commands You Should Never Run on Linux 14 Special Google Searches That Show Instant Answers How To Create a Customized Windows 7 Installation Disc With Integrated Updates

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  • OpenWorld Session: Oracle Unified BPM Suite Development Best Practices

    - by Ajay Khanna
    Blog by David Read Earlier today,  Sushil Shukla, Yogeshwar Kuntawar, and I (David Read) delivered an OpenWorld  session that covered BPM development best practices.  It was well attended.  Last year we had a session that covered end-to-end lifecycle best practices for BPM.  This year we narrowed the focus to the development portion of the lifecycle.  We started with an overview of development process best practices, then focused on a few key design topics where we’ve seen common questions from customers and partners. Data Design Using EDN Multi-Instance Activity Using the Spring Component Human Task Integration We wrapped up with an overview of key concepts for effective error handling, including error handling within the process design, and using declarative fault policies. We hope you found the session useful, and as noted in the session, please be sure to try to attend Prasen’s session to see more details about approaches for testing Oracle Business Rules: CON8606  Oracle Business Rules Use Cases, 10/3/2012, 3:30PM  

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  • add-apt-repository not working UbuntuGnome 12.10

    - by nickcannariato
    When I try to add a ppa using the command: sudo add-apt-repository [insert ppa] the output I get is: Error in sitecustomize; set PYTHONVERBOSE for traceback: EOFError: EOF read where not expected Traceback (most recent call last): File "/usr/bin/add-apt-repository", line 3, in <module> from __future__ import print_function EOFError: EOF read where not expected This is the desktop version. It's a clean install and I didn't get any log errors on install. I haven't added or removed any python versions. Can someone set me straight on how to fix this?

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  • SilverlightShow for Dec 27-Jan 2, 2011

    - by Dave Campbell
    Check out the Top Five most popular news at SilverlightShow for Dec 27-Jan 2, 2011. The most visited news for last week is Mahesh Sabnis's post on how to use Prism in Silverlight 4. Among the top 5 news is also the announcement for SilverlightShow December Newsletter that you can now read online. Here is SilverlightShow's weekly top 5: Using Prism with Silverlight 4 "What's new in Silverlight 4 demo" app Cinch - A Rich Full Featured WPF/SL MVVM Framework SilverlightShow December Newsletter Now Online Cracking a Microsoft contest or why Silverlight-WCF security is important Visit and bookmark SilverlightShow. Stay in the 'Light

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  • Oracle OpenWorld Healthcare Integration Session Highlights Challenges & Solutions

    - by Nitesh Jain
    In today’s session co-presented by Steve Schenks, Integration Architect from Ascension Health and Oracle’s Sundar Shenbagam and Suresh Sharma (apparently your initials must be SS to present during this session), interesting insights in many different areas including Steve’s descriptions of the challenges with their previous environment: Disparate hardware and software is an issue common across healthcare and most other industries…Larry Ellison spoke on this topic during Sundays’ keynote address.  In the last part of session, Suresh is planning to go over some of the best practices and lesson learned to implement successful healthcare applications and will discuss the different options to model Sequencing (FIF0) use cases (one of most common use cases in the provider market). The session was “Implementing Successful Healthcare Applications with Oracle SOA Suite” – Session # CON8546. For more information about this session, please contact Senior Principal Product Manager Suresh Sharma Ref : https://blogs.oracle.com/SOA/entry/oracle_openworld_healthcare_integration_session

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  • Oracle OpenWorld Healthcare Integration Session Highlights Challenges & Solutions

    - by Bruce Tierney
    In today’s session co-presented by Steve Schenks, Integration Architect from Ascension Health and Oracle’s Sundar Shenbagam and Suresh Sharma (apparently your initials must be SS to present during this session), interesting insights in many different areas including Steve’s descriptions of the challenges with their previous environment: Disparate hardware and software is an issue common across healthcare and most other industries…Larry Ellison spoke on this topic during Sundays’ keynote address. In the last part of session, Suresh is planning to go over some of the best practices and lesson learned to implement successful healthcare applications and will discuss the different options to model Sequencing (FIF0) use cases (one of most common use cases in the provider market). The session was “Implementing Successful Healthcare Applications with Oracle SOA Suite” – Session # CON8546. For more information about this session, please contact Senior Principal Product Manager Suresh Sharma

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  • Gartner PCC Summit, Baltimore - Oracle's Take

    - by [email protected]
    Back from last week's trip to the Gartner PCC Summit in Baltimore, Andy MacMillan and Ajay Gandhi share their impressions of the conference. According to Andy and Ajay: Interest in the sector is increasing - attendance at this year's conference was up by more than 50 percent The discussion at the conference this year shifted from a focus on what the tools are to how the tools can transform organizations and help build businesses Conference attendees were interested in taking a platform approach and looking to bring multiple tools together to solve problems and simplify business processes. If you are interested in learning more about the Bureau of Indian Affairs' deployment showcased in Ajay's session at the Gartner PCC Summit, come back soon - a detailed post is on its way.

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  • Big Data – Operational Databases Supporting Big Data – RDBMS and NoSQL – Day 12 of 21

    - by Pinal Dave
    In yesterday’s blog post we learned the importance of the Cloud in the Big Data Story. In this article we will understand the role of Operational Databases Supporting Big Data Story. Even though we keep on talking about Big Data architecture, it is extremely crucial to understand that Big Data system can’t just exist in the isolation of itself. There are many needs of the business can only be fully filled with the help of the operational databases. Just having a system which can analysis big data may not solve every single data problem. Real World Example Think about this way, you are using Facebook and you have just updated your information about the current relationship status. In the next few seconds the same information is also reflected in the timeline of your partner as well as a few of the immediate friends. After a while you will notice that the same information is now also available to your remote friends. Later on when someone searches for all the relationship changes with their friends your change of the relationship will also show up in the same list. Now here is the question – do you think Big Data architecture is doing every single of these changes? Do you think that the immediate reflection of your relationship changes with your family member is also because of the technology used in Big Data. Actually the answer is Facebook uses MySQL to do various updates in the timeline as well as various events we do on their homepage. It is really difficult to part from the operational databases in any real world business. Now we will see a few of the examples of the operational databases. Relational Databases (This blog post) NoSQL Databases (This blog post) Key-Value Pair Databases (Tomorrow’s post) Document Databases (Tomorrow’s post) Columnar Databases (The Day After’s post) Graph Databases (The Day After’s post) Spatial Databases (The Day After’s post) Relational Databases We have earlier discussed about the RDBMS role in the Big Data’s story in detail so we will not cover it extensively over here. Relational Database is pretty much everywhere in most of the businesses which are here for many years. The importance and existence of the relational database are always going to be there as long as there are meaningful structured data around. There are many different kinds of relational databases for example Oracle, SQL Server, MySQL and many others. If you are looking for Open Source and widely accepted database, I suggest to try MySQL as that has been very popular in the last few years. I also suggest you to try out PostgreSQL as well. Besides many other essential qualities PostgreeSQL have very interesting licensing policies. PostgreSQL licenses allow modifications and distribution of the application in open or closed (source) form. One can make any modifications and can keep it private as well as well contribute to the community. I believe this one quality makes it much more interesting to use as well it will play very important role in future. Nonrelational Databases (NOSQL) We have also covered Nonrelational Dabases in earlier blog posts. NoSQL actually stands for Not Only SQL Databases. There are plenty of NoSQL databases out in the market and selecting the right one is always very challenging. Here are few of the properties which are very essential to consider when selecting the right NoSQL database for operational purpose. Data and Query Model Persistence of Data and Design Eventual Consistency Scalability Though above all of the properties are interesting to have in any NoSQL database but the one which most attracts to me is Eventual Consistency. Eventual Consistency RDBMS uses ACID (Atomicity, Consistency, Isolation, Durability) as a key mechanism for ensuring the data consistency, whereas NonRelational DBMS uses BASE for the same purpose. Base stands for Basically Available, Soft state and Eventual consistency. Eventual consistency is widely deployed in distributed systems. It is a consistency model used in distributed computing which expects unexpected often. In large distributed system, there are always various nodes joining and various nodes being removed as they are often using commodity servers. This happens either intentionally or accidentally. Even though one or more nodes are down, it is expected that entire system still functions normally. Applications should be able to do various updates as well as retrieval of the data successfully without any issue. Additionally, this also means that system is expected to return the same updated data anytime from all the functioning nodes. Irrespective of when any node is joining the system, if it is marked to hold some data it should contain the same updated data eventually. As per Wikipedia - Eventual consistency is a consistency model used in distributed computing that informally guarantees that, if no new updates are made to a given data item, eventually all accesses to that item will return the last updated value. In other words -  Informally, if no additional updates are made to a given data item, all reads to that item will eventually return the same value. Tomorrow In tomorrow’s blog post we will discuss about various other Operational Databases supporting Big Data. Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: Big Data, PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, T SQL

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  • The Unspoken - The Why of GC Ergonomics

    - by jonthecollector
    Do you use GC ergonomics, -XX:+UseAdaptiveSizePolicy, with the UseParallelGC collector? The jist of GC ergonomics for that collector is that it tries to grow or shrink the heap to meet a specified goal. The goals that you can choose are maximum pause time and/or throughput. Don't get too excited there. I'm speaking about UseParallelGC (the throughput collector) so there are definite limits to what pause goals can be achieved. When you say out loud "I don't care about pause times, give me the best throughput I can get" and then say to yourself "Well, maybe 10 seconds really is too long", then think about a pause time goal. By default there is no pause time goal and the throughput goal is high (98% of the time doing application work and 2% of the time doing GC work). You can get more details on this in my very first blog. GC ergonomics The UseG1GC has its own version of GC ergonomics, but I'll be talking only about the UseParallelGC version. If you use this option and wanted to know what it (GC ergonomics) was thinking, try -XX:AdaptiveSizePolicyOutputInterval=1 This will print out information every i-th GC (above i is 1) about what the GC ergonomics to trying to do. For example, UseAdaptiveSizePolicy actions to meet *** throughput goal *** GC overhead (%) Young generation: 16.10 (attempted to grow) Tenured generation: 4.67 (attempted to grow) Tenuring threshold: (attempted to decrease to balance GC costs) = 1 GC ergonomics tries to meet (in order) Pause time goal Throughput goal Minimum footprint The first line says that it's trying to meet the throughput goal. UseAdaptiveSizePolicy actions to meet *** throughput goal *** This run has the default pause time goal (i.e., no pause time goal) so it is trying to reach a 98% throughput. The lines Young generation: 16.10 (attempted to grow) Tenured generation: 4.67 (attempted to grow) say that we're currently spending about 16% of the time doing young GC's and about 5% of the time doing full GC's. These percentages are a decaying, weighted average (earlier contributions to the average are given less weight). The source code is available as part of the OpenJDK so you can take a look at it if you want the exact definition. GC ergonomics is trying to increase the throughput by growing the heap (so says the "attempted to grow"). The last line Tenuring threshold: (attempted to decrease to balance GC costs) = 1 says that the ergonomics is trying to balance the GC times between young GC's and full GC's by decreasing the tenuring threshold. During a young collection the younger objects are copied to the survivor spaces while the older objects are copied to the tenured generation. Younger and older are defined by the tenuring threshold. If the tenuring threshold hold is 4, an object that has survived fewer than 4 young collections (and has remained in the young generation by being copied to the part of the young generation called a survivor space) it is younger and copied again to a survivor space. If it has survived 4 or more young collections, it is older and gets copied to the tenured generation. A lower tenuring threshold moves objects more eagerly to the tenured generation and, conversely a higher tenuring threshold keeps copying objects between survivor spaces longer. The tenuring threshold varies dynamically with the UseParallelGC collector. That is different than our other collectors which have a static tenuring threshold. GC ergonomics tries to balance the amount of work done by the young GC's and the full GC's by varying the tenuring threshold. Want more work done in the young GC's? Keep objects longer in the survivor spaces by increasing the tenuring threshold. This is an example of the output when GC ergonomics is trying to achieve a pause time goal UseAdaptiveSizePolicy actions to meet *** pause time goal *** GC overhead (%) Young generation: 20.74 (no change) Tenured generation: 31.70 (attempted to shrink) The pause goal was set at 50 millisecs and the last GC was 0.415: [Full GC (Ergonomics) [PSYoungGen: 2048K-0K(26624K)] [ParOldGen: 26095K-9711K(28992K)] 28143K-9711K(55616K), [Metaspace: 1719K-1719K(2473K/6528K)], 0.0758940 secs] [Times: user=0.28 sys=0.00, real=0.08 secs] The full collection took about 76 millisecs so GC ergonomics wants to shrink the tenured generation to reduce that pause time. The previous young GC was 0.346: [GC (Allocation Failure) [PSYoungGen: 26624K-2048K(26624K)] 40547K-22223K(56768K), 0.0136501 secs] [Times: user=0.06 sys=0.00, real=0.02 secs] so the pause time there was about 14 millisecs so no changes are needed. If trying to meet a pause time goal, the generations are typically shrunk. With a pause time goal in play, watch the GC overhead numbers and you will usually see the cost of setting a pause time goal (i.e., throughput goes down). If the pause goal is too low, you won't achieve your pause time goal and you will spend all your time doing GC. GC ergonomics is meant to be simple because it is meant to be used by anyone. It was not meant to be mysterious and so this output was added. If you don't like what GC ergonomics is doing, you can turn it off with -XX:-UseAdaptiveSizePolicy, but be pre-warned that you have to manage the size of the generations explicitly. If UseAdaptiveSizePolicy is turned off, the heap does not grow. The size of the heap (and the generations) at the start of execution is always the size of the heap. I don't like that and tried to fix it once (with some help from an OpenJDK contributor) but it unfortunately never made it out the door. I still have hope though. Just a side note. With the default throughput goal of 98% the heap often grows to it's maximum value and stays there. Definitely reduce the throughput goal if footprint is important. Start with -XX:GCTimeRatio=4 for a more modest throughput goal (%20 of the time spent in GC). A higher value means a smaller amount of time in GC (as the throughput goal).

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  • Upgrade problem during Ubuntu 11.10

    - by pankaj singh
    During upgrading in last moment, show memory problem but I restart my laptop in hurry than it give that type of message what can i do? *starting automatic crash report generation [fail] PulseAudio configured for pre-user sessions saned disabled :edit/etc/default/saned *stopeing save kernel messages [ok] After than invoking init scripts through /etc/init.d, use the service(8) utility,eg. service S90binfmt-support start Since the scripts you are attempting to invoke has been converted to an Upstart pb, you may also use the start(8)utility, e.g start S90binfmt-support start:Unknown job:S90binfmt-support *Stopping anac(h)ronistic c[ok] *checking battery state.. [ok] * stopping System V runlevel compatibility [ok]

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  • SQL SERVER – SQL in Sixty Seconds – 5 Videos from Joes 2 Pros Series – SQL Exam Prep Series 70-433

    - by pinaldave
    Joes 2 Pros SQL Server Learning series is indeed fun. Joes 2 Pros series is written for beginners and who wants to build expertise for SQL Server programming and development from fundamental. In the beginning of the series author Rick Morelan is not shy to explain the simplest concept of how to open SQL Server Management Studio. Honestly the book starts with that much basic but as it progresses further Rick discussing about various advanced concepts from query tuning to Core Architecture. This five part series is written with keeping SQL Server Exam 70-433. Instead of just focusing on what will be there in exam, this series is focusing on learning the important concepts thoroughly. This book no way take short cut to explain any concepts and at times, will go beyond the topic at length. The best part is that all the books has many companion videos explaining the concepts and videos. Every Wednesday I like to post a video which explains something in quick few seconds. Today we will go over five videos which I posted in my earlier posts related to Joes 2 Pros series. Introduction to XML Data Type Methods – SQL in Sixty Seconds #015 The XML data type was first introduced with SQL Server 2005. This data type continues with SQL Server 2008 where expanded XML features are available, most notably is the power of the XQuery language to analyze and query the values contained in your XML instance. There are five XML data type methods available in SQL Server 2008: query() – Used to extract XML fragments from an XML data type. value() – Used to extract a single value from an XML document. exist() – Used to determine if a specified node exists. Returns 1 if yes and 0 if no. modify() – Updates XML data in an XML data type. node() – Shreds XML data into multiple rows (not covered in this blog post). [Detailed Blog Post] | [Quiz with Answer] Introduction to SQL Error Actions – SQL in Sixty Seconds #014 Most people believe that when SQL Server encounters an error severity level 11 or higher the remaining SQL statements will not get executed. In addition, people also believe that if any error severity level of 11 or higher is hit inside an explicit transaction, then the whole statement will fail as a unit. While both of these beliefs are true 99% of the time, they are not true in all cases. It is these outlying cases that frequently cause unexpected results in your SQL code. To understand how to achieve consistent results you need to know the four ways SQL Error Actions can react to error severity levels 11-16: Statement Termination – The statement with the procedure fails but the code keeps on running to the next statement. Transactions are not affected. Scope Abortion – The current procedure, function or batch is aborted and the next calling scope keeps running. That is, if Stored Procedure A calls B and C, and B fails, then nothing in B runs but A continues to call C. @@Error is set but the procedure does not have a return value. Batch Termination – The entire client call is terminated. XACT_ABORT – (ON = The entire client call is terminated.) or (OFF = SQL Server will choose how to handle all errors.) [Detailed Blog Post] | [Quiz with Answer] Introduction to Basics of a Query Hint – SQL in Sixty Seconds #013 Query hints specify that the indicated hints should be used throughout the query. Query hints affect all operators in the statement and are implemented using the OPTION clause. Cautionary Note: Because the SQL Server Query Optimizer typically selects the best execution plan for a query, it is highly recommended that hints be used as a last resort for experienced developers and database administrators to achieve the desired results. [Detailed Blog Post] | [Quiz with Answer] Introduction to Hierarchical Query – SQL in Sixty Seconds #012 A CTE can be thought of as a temporary result set and are similar to a derived table in that it is not stored as an object and lasts only for the duration of the query. A CTE is generally considered to be more readable than a derived table and does not require the extra effort of declaring a Temp Table while providing the same benefits to the user. However; a CTE is more powerful than a derived table as it can also be self-referencing, or even referenced multiple times in the same query. A recursive CTE requires four elements in order to work properly: Anchor query (runs once and the results ‘seed’ the Recursive query) Recursive query (runs multiple times and is the criteria for the remaining results) UNION ALL statement to bind the Anchor and Recursive queries together. INNER JOIN statement to bind the Recursive query to the results of the CTE. [Detailed Blog Post] | [Quiz with Answer] Introduction to SQL Server Security – SQL in Sixty Seconds #011 Let’s get some basic definitions down first. Take the workplace example where “Tom” needs “Read” access to the “Financial Folder”. What are the Securable, Principal, and Permissions from that last sentence? A Securable is a resource that someone might want to access (like the Financial Folder). A Principal is anything that might want to gain access to the securable (like Tom). A Permission is the level of access a principal has to a securable (like Read). [Detailed Blog Post] | [Quiz with Answer] Please leave a comment explain which one was your favorite video as that will help me understand what works and what needs improvement. Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, T SQL, Technology, Video

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  • Visual Studio 2010 tip: Cut empty lines

    - by koevoeter
    How many times you wanted to move 2 lines by cut and pasting them, but the line you cut last is actually a blank line and your actual code is removed from the clipboard? Visual Studio 2010 has an option that keeps cutting blank lines from overwriting the clipboard. Go and uncheck this one: Tools » Options » Text Editor » All Languages » General » Apply Cut or Copy commands to blank lines when there is no selection Extra (related) tip The (free) Visual Studio 2010 extension Visual Studio 2010 Pro Power Tools contains (apart from a bunch of other handy features) the commands Edit.MoveLineUp and Edit.MoveLineDown to do whatever they say they do and maps them automatically to keyboard shortcuts Alt+Up & Alt+Down. Resharper (not-free) has similar commands for moving lines, by default mapped to Ctrl+Alt+Shift+Up/Down.

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  • Macbook Pro 8,1 - wireless interface not showing up

    - by Florian Margaine
    I've installed Ubuntu 11.10 on my Macbook Pro 8,1. Everything went fine and everything installs fine except for the wireless interface. I've installed the b43 module according to these instructions: https://help.ubuntu.com/community/MacBookPro8-1/Natty#Wireless I've tried compiling the module, ndiswrapper and also the last solution mentioned using this PPA: ppa:zwaldowski/ppa. With the three solutions, the module loads finely. It works smoothly. lspci shows the wireless card without problem. But there is no wireless interface. iwconfig or ifconfig both show eth0 and lo as interfaces, but no eth1 or wlan0 interface is showing up. I have no idea why, and I'm completely stuck there.

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  • URL Rewrite, ServerVariables, URL Parts, HTTP to HTTPS Redirect. Week 9

    - by OWScott
    Last week I gave an intro to URL Rewrite; covering the basics and giving a real world example.  This week I dive in deeper and cover ServerVariables, the parts that make up the URL and another real world example of redirecting HTTP to HTTPS. This is week 9 of a 52 week series on various web administration related tasks.  Past and future videos can be found here. For reference, in the video I mentioned the following two blog posts: Viewing ServerVariables For a Site Parts of the URL available to URL Rewrite

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  • What is the meaning of the sentence "we wanted it to be compiled so it’s not burning CPU doing the wrong stuff."

    - by user2434
    I was reading this article. It has the following paragraph. And did Scala turn out to be fast? Well, what’s your definition of fast? About as fast as Java. It doesn’t have to be as fast as C or Assembly. Python is not significantly faster than Ruby. We wanted to do more with fewer machines, taking better advantage of concurrency; we wanted it to be compiled so it’s not burning CPU doing the wrong stuff. I am looking for the meaning of the last sentence. How will interpreted language make the CPU do "wrong" stuff ?

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  • 301 redirect and page ranking

    - by justin
    Say I have a site 123example.com, with roughly 100 backlinks, which has increased from a google page 27 to page 12 for my keywords over the last month and continues toward the top 10... I have another domain 123.com, which has roughly 30 backlinks, that just points to the 1st domain. I would like to use 123.com as the primary domain and use a 301 redirect on 123example.com. Would I have to start my link building back over again for 123.com or will the backlinks and PR with the 301 redirect of 123example.com transfer over to the new domain?

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  • SUPINFO International University in Mauritius

    Since a while I'm considering to pick up my activities as a student and I'd like to get a degree in Computer Science. Personal motivation I mean after all this years as a professional software (and database) developer I have the personal urge to complete this part of my education. Having various certifications by Microsoft and being awarded as an Microsoft Most Valuable Professional (MVP) twice looks pretty awesome on a resume but having a "proper" degree would just complete my package. During the last couple of years I already got in touch with C-SAC (local business school with degree courses), the University of Mauritius and BCS, the Chartered Institute for IT to check the options to enroll as an experienced software developer. Quite frankly, it was kind of alienating to receive that feedback: Start from scratch! No seriously? Spending x amount of years to sit for courses that might be outdated and form part of your daily routine? Probably being in an awkward situation in which your professional expertise might exceed the lecturers knowledge? I don't know... but if that's path to walk... Well, then I might have to go for it. SUPINFO International University Some weeks ago I was contacted by the General Manager, Education Recruitment and Development of Medine Education Village, Yamal Matabudul, to have a chat on how the local IT scene, namely the Mauritius Software Craftsmanship Community (MSCC), could assist in their plans to promote their upcoming campus. Medine went into partnership with the French-based SUPINFO International University and Mauritius will be the 36th location world-wide for SUPINFO. Actually, the concept of SUPINFO is very likely to the common understanding of an apprenticeship in Germany. Not only does a student enroll into the programme but will also be placed into various internships as part of the curriculum. It's a big advantage in my opinion as the person stays in touch with the daily procedures and workflows in the real world of IT. Statements like "We just received a 'crash course' of information and learned new technology which is equivalent to 1.5 months of lectures at the university" wouldn't form part of the experience of such an education. Open Day at the Medine Education Village Last Saturday, Medine organised their Open Day and it was the official inauguration of the SUPINFO campus in Mauritius. It's now listed on their website, too - but be warned, the site is mainly in French language although the courses are all done in English. Not only was it a big opportunity to "hang out" on the campus of Medine but it was great to see the first professional partners for their internship programme, too. Oh, just for the records, IOS Indian Ocean Software Ltd. will also be among the future employers for SUPINFO students. More about that in an upcoming blog entry. Open Day at Medine Education Village - SUPINFO International University in Mauritius Mr Alick Mouriesse, President of SUPINFO, arrived the previous day and he gave all attendees a great overview of the roots of SUPINFO, the general development of the educational syllabus and their high emphasis on their partnerships with local IT companies in order to assist their students to get future jobs but also feel the heartbeat of technology live. Something which is completely missing in classic institutions of tertiary education in Computer Science. And since I was on tour with my children, as usual during weekends, he also talked about the outlook of having a SUPINFO campus in Mauritius. Apart from the close connection to IT companies and providing internships to students, SUPINFO clearly works on an international level. Meaning students of SUPINFO can move around the globe and can continue their studies seamlessly. For example, you might enroll for your first year in France, then continue to do 2nd and 3rd year in Canada or any other country with a SUPINFO campus to earn your bachelor degree, and then live and study in Mauritius for the next 2 years to achieve a Master degree. Having a chat with Dale Smith, Expand Technologies, after his interesting session on Technological Entrepreneurship - TechPreneur More questions by other craftsmen of the Mauritius Software Craftsmanship Community And of course, this concept works in any direction, giving Mauritian students a huge (!) opportunity to live, study and work abroad. And thanks to this, Medine already announced that there will be new facilities near Cascavelle to provide dormitories and other facilities to international students coming to our island. Awesome! Okay, but why SUPINFO? Well, coming back to my original statement - I'd like to get a degree in Computer Science - SUPINFO has a process called Validation of Acquired Experience (VAE) which is tailor-made for employees in the field of IT, and allows you to enroll in their course programme. I already got in touch with their online support chat but was only redirected to some FAQs on their website, unfortunately. So, during the Open Day I seized the opportunity to have an one-on-one conversation with Alick Mouriesse, and he clearly encouraged me to gather my certifications and working experience. SUPINFO does an individual evaluation prior to their assignment regarding course level, and hopefully my chances of getting some modules ahead of studies are looking better than compared to the other institutes. Don't get me wrong, I don't want to go down the easy route but why should someone sit for "Database 101" or "Principles of OOP" when applying and preaching database normalisation and practicing Clean Code Developer are like flesh and blood? Anyway, I'll be off to get my transcripts of certificates together with my course assignments from the old days at the university. Yes, I studied Applied Chemistry for a couple of years before intersecting into IT and software development particularly... ;-)

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  • Indicator-cpufreq does not work at 12.04 ¿infinite loop insaid?

    - by Juan
    Good night, i want to use indicator-cpufreq, but it is not possible, i think that when i start it, i get an infinite loop and it doesnt start I think i am doing it well, here you have a snapshoot when i try to start it http://i.stack.imgur.com/mvaYf.jpg But 6 or 7 minutes later, it continues at the same point, i have to stop it with Ctrl-c, and shows that: http://i.stack.imgur.com/Vi0pp.jpg It says:" Traceback (most recent call last): File "/usr/bin/indicator-cpufreq", line 82, in gtk.main() KeyboardInterrupt" I do not have idea of what do for fix that, i hope you can help me to do that Thanks for your time and sorry about my english

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  • Database vs Networking

    - by user16258
    I have completed my diploma in (IT) and now pursuing degree, i am in last semester of my B.E(I.T). I want to do specialization either in Database(oracle) or in Networking(cisco). Which one of two will be in more demand in near future, i know it's all about interest but still i would like to know your opinion. Most of people say that a network engineer is never paid as better as a programmer or a DBA, and few says they do get paid well. What would be the scope if i clear my CCNA and CCNP exams, or either OCA & OCP exams, what would be more rewarding. Also i have read somewhere that most of the task of DBA will be automated so in future demand of a DBA will reduce. I would also like to hear from Network engineers what's the scenario out there in India. Thanks

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  • SQL SERVER – Beginning New Weekly Series – Memory Lane – #002

    - by pinaldave
    Here is the list of curetted articles of SQLAuthority.com across all these years. Instead of just listing all the articles I have selected a few of my most favorite articles and have listed them here with additional notes below it. Let me know which one of the following is your favorite article from memory lane. 2006 Query to Find ByteSize of All the Tables in Database This was my second blog post and today I do not remember what was the business need which has made me build this query. It was built for SQL Server 2000 and it will not directly run on SQL Server 2005 or later version now. It measured the byte size of the tables in the database. This can be done in many different ways as well for example SP_HELPDB as well SP_HELP. I wish to build similar script in 2005 and later version. 2007 This week I had completed my – 1 Year (365 blogs) and very first 1 Million Views. I was pretty excited at that time with this new achievement. SQL SERVER Versions, CodeNames, Year of Release When I started with SQL Server I did not know all the names correctly for each version and I often used to get confused with this. However, as time passed by I started to remember all the codename as well. In this blog post I have not included SQL Server 2012′s code name as it was not released at the time. SQL Server 2012′s code name is Denali. Here is the question for you – anyone know what is the internal name of the SQL Server’s next version? Searching String in Stored Procedure I have already started to work with 2005 by this time and I was personally converting each of my stored procedures to SQL Server 2005 compatible. As we were upgrading from SQL Server 2000 to SQL Server 2005 we had to search each of the stored procedures and make sure that we remove incompatible code from it. For example, syscolumns of SQL Server 2000 was now being replaced by sys.columns of SQL Server 2005. This stored procedure was pretty helpful at that time. Later on I build few additional versions of the same stored procedure. Version 1: This version finds the Stored Procedures related to Table Version 2: This is specific version which works with SQL Server 2005 and later version 2008 Clear Drop Down List of Recent Connection From SQL Server Management Studio It happens to all of us when we connected to some remote client server and we never ever have to connect to it again. However, it keeps on bothering us that the name shows up in the list all the time. In this blog post I covered a quick tip about how we can remove the same. I also wrote a small article about How to Check Database Integrity for all Databases and there was a funny question from a reader requesting T-SQL code to refresh databases. 2009 Stored Procedure are Compiled on First Run – SP is taking Longer to Run First Time A myth is quite prevailing in the industry that Stored Procedures are pre-compiled and they should always run faster. It is not true. Stored procedures are compiled on very first execution of it and that is the reason why it takes longer when it executes first time. In this blog post I had a great time discussing the same concept. If you do not agree with it, you are welcome to read this blog post. Removing Key Lookup – Seek Predicate – Predicate – An Interesting Observation Related to Datatypes Performance Tuning is an interesting concept and my personal favorite one. In many blog posts I have described how to do performance tuning and how to improve the performance of the queries. In this quick quick tip I have explained how one can remove the Key Lookup and improve performance. Here are very relevant articles on this subject: Article 1 | Article 2 | Article 3 2010 Recycle Error Log – Create New Log file without a Server Restart During one of the consulting assignments I noticed DBA restarting server to create new log file. This is absolutely not necessary and restarting server might have many other negative impacts. There is a common sp_cycle_errorlog which can do the same task efficiently and properly. Have you ever used this SP or feature? Additionally I had a great time presenting on SQL Server Best Practices in SharePoint Conference. 2011 SSMS 2012 Reset Keyboard Shortcuts to Default It is very much possible that we mix up various SQL Server shortcuts and at times we feel like resetting it to default. In SQL Server 2012 it is not easy to do it, there is a process to follow and I enjoyed blogging about it. Fundamentals of Columnstore Index Columnstore index is introduced in SQL Server 2012 and have been a very popular subject. It increases the speed of the server dramatically as well can be an extremely useful feature with Datawharehousing. However updating the columnstore index is not as simple as a simple UPDATE statement. Read in a detailed blog post about how Update works with Columnstore Index. Additionally, you can watch a Quick Video on this subject. SQL Server 2012 New Features I had decided to explore SQL Server 2012 features last year and went through pretty much every single concept introduced in separate blog posts. Here are two blog posts where I describe how SQL Server 2012 functions works. Introduction to CUME_DIST – Analytic Functions Introduction to FIRST _VALUE and LAST_VALUE – Analytic Functions OVER clause with FIRST_VALUE and LAST_VALUE – Analytic Functions I indeed enjoyed writing about SQL Server 2012 functions last year. Have you gone through all the new features which are introduced in SQL Server 2012? If not, it is still not late to go through them. Reference: Pinal Dave (http://blog.sqlauthority.com)   Filed under: Memory Lane, PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, T SQL, Technology

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  • Finding Those Pesky Unicode Characters in Visual Studio

    - by fallen888
    Sometimes I’m handed HTML that I need to wire up and I find these characters.  Usually there are only a couple on the page and, while annoying to find, it’s not a big deal.  Recently I found dozens and dozens of these guys on a page and wasn’t very happy at the prospect of having to manually search them all out and remove/replace them.  That is, until I did some research and found this very  helpful article by Aaron Jensen - Finding Non-ASCII Characters with Visual Studio. Aaron’s wonderful solution: Try searching your code with the following regular expression: [^\x00-\x7f] Open any of Visual Studio’s find windows and enter the regular expression above into the “Find what:” text box. Click the “Find Options” plus sign to expand the list of options. Check the last box “Use:” and choose “Regular expressions” from the drop down menu. Easy and efficient.  Thanks, Aaron!

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  • Online Introduction to Relational Databases (and not only) with Stanford University!

    - by Luca Zavarella
    How many of you know exactly the definition of "relational database"? What exactly the adjective "relational" refers to? Many of you allow themselves to be deceived, thinking this adjective is related to foreign key constraints between tables. Instead this adjective lurks in a world based on set theory, relational algebra and the concept of relationship intended as a table.Well, for those who want to deep the fundamentals of relational model, relational algebra, XML, OLAP and emerging "NoSQL" systems, Stanford University School of Engineering offers a public and free online introductory course to databases. This is the related web page: http://www.db-class.com/ The course will last 2 months, after which there will be a final exam. Passing the final exam will entitle the participants to receive a statement of accomplishment. A syllabus and more information is available here. Happy eLearning to you!

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  • CMS DITA North America Conference / Agile Doc

    - by ultan o'broin
    I attended and presented, along with a colleague, at the Content Management Strategies DITA North America Conference 2010 in Santa Clara this week. It was touch and go whether I would make it across the Atlantic, but as usual the Irish always got through! Our presentation was about DITA and Writing Patterns, and there was three other presentations from Oracle folks too, all very well delivered and received. The interaction with other companies was superb, and the sparks of innovation that flew as a result left me with three use case ideas for UX investigation and implementation. My colleague had a similar experience. Well worth attending! One of the last sessions was about Authoring in an Agile environment, presented by Julio Vasquez. This was an excellent, common sense, and forthright no-nonsense delivery that made complete sense to me. I'd encourage you, if you are interested in the subject, to check out Julio's white paper on the subject too, available from the SDI website.

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  • SQL SERVER – Download FREE PDFs from SQLAuthority.com

    - by Pinal Dave
    Throughout the last seven years, we have created many PDF downloads from SQLAuthority.com and many are very much appreciated by users. I just wanted to list all the downloads which we have created so far in a single place, hence here is the blog post which contains all the PDF downloads which we have created so far. SQL Server Interview Questions and Answers Download Beginning Big Data with NuoDB SQL Server Management Studio Keyboard Shorts Download SQL Server 2008 Certification Path Complete Download SQL Server Cheat Sheet Download SQL Server Database Coding Standards and Guidelines Complete List Download SQL Server Indexing Checklist Let me know which one of the PDF you like the most and if you expect us to create any more PDF articles. Leave a comment. Additionally, we have created various script bank for all the script which has been used on SQLAuthority.com so far. You can get access to the scripts by clicking on following link. SQLAuthority.com Scripts Download Reference : Pinal Dave (http://blog.SQLAuthority.com) Filed under: PostADay, SQL, SQL Authority, SQL Download, SQL Query, SQL Server, SQL Tips and Tricks, T SQL

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  • Why am I getting this error : "ExecuteReader: Connection property has not been initialized." [migrated]

    - by Olga
    I'm trying to read .csv file to import its contents to SQL table I'm getting error: ExecuteReader: Connection property has not been initialized. at the last line of this code: Function ImportData(ByVal FU As FileUpload, ByVal filename As String, ByVal tablename As String) As Boolean Try Dim xConnStr As String = "Driver={Microsoft Text Driver (*.txt; *.csv)};dbq=" & Path.GetDirectoryName(Server.MapPath(filename)) & ";extensions=asc,csv,tab,txt;" ' create your excel connection object using the connection string Dim objXConn As New System.Data.Odbc.OdbcConnection(xConnStr.Trim()) objXConn.Open() Dim objCommand As New OdbcCommand(String.Format("SELECT * FROM " & Path.GetFileName(Server.MapPath(filename)), objXConn)) If objXConn.State = ConnectionState.Closed Then objXConn.Open() Else objXConn.Close() objXConn.Open() End If ' create a DataReader Dim dr As OdbcDataReader dr = objCommand.ExecuteReader()

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