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• Oracle Enterprise Manager 12c Anniversary at Open World General Session and Twitter Chat using #em12c on October 2nd

  - by Anand Akela

  As most of you will remember, Oracle Enterprise Manager 12c was announced last year at Open World. We are celebrating first anniversary of Oracle Enterprise Manager 12c next week at Open world. During the last year, Oracle customers have seen the benefits of federated self-service access to complete application stacks, elastic scalability, automated metering, and charge-back from capabilities of Oracle Enterprise manager 12c. In this session you will learn how customers are leveraging Oracle Enterprise Manager 12c to build and operate their enterprise cloud. You will also hear about Oracle’s IT management strategy and some new capabilities inside the Oracle Enterprise Manager product family. In this anniversary general session of Oracle Enterprise Manager 12c, you will also watch an interactive role play ( similar to what some of you may have seen at "Zero to Cloud" sessions at the Oracle Cloud Builder Summit ) depicting a fictional company in the throes of deploying a private cloud. Watch as the CIO and his key cloud architects battle with misconceptions about enterprise cloud computing and watch how Oracle Enterprise Manager helps them address the key challenges of planning, deploying and managing an enterprise private cloud. The session will be led by Sushil Kumar, Vice President, Product Strategy and Business Development, Oracle Enterprise Manager. Jeff Budge, Director, Global Oracle Technology Practice, CSC Consulting, Inc. will join Sushil for the general session as well. Following the general session, Sushil Kumar ( Twitter user name @sxkumar ) will join us for a Twitter Chat on Tuesday at 1:00 PM to 2:00 PM.  Sushil will answer any follow-up questions from the general session or any question related to Oracle Enterprise Manager and Oracle Private Cloud . You can participate in the chat using hash tag #em12c on Twitter.com or by going to  tweetchat.com/room/em12c (Needs Twitter credential for participating).  You could pre-submit your questions for Sushil using any of the social media channels mentioned below. Stay Connected: Twitter |  Face book |  You Tube |  Linked in |  Newsletter

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• HTML5 article tag application for the iPad/iPhone

  - by dspencer

  I've used article tags on websites. My understanding and practice is to use the article tag for publication content. I always use HTML/HTML5 tags as their intended purposes and not at will. Recently, I've seen an HTML template that uses the article tag for the non-publication page content such as the content of an About Us page or any other generic page. I asked the why it was used this way and the (vague) explanation was that it had to do with the way the iPad read the tag. Is this true?

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• Choosing a subject to create a site for

  - by Daniel

  For 6 years I'm working as web developer and I would like to finally create my own site. I thought I have everything needed: programming and administration skills, found a good designer, own servers and understanding how to operate site. But I've missed very important (or the most important) point: how do I find a subject for my site? My hobby and my work are the same: IT, but I don't want to create just another tech blog or news aggregator, I want something different. First I thought things like Google Trends or Google top 1000 could help, but I've got lost in thousands of options I can't see them all (I actually can, but it'll take at least a couple of month). So my question is: how did you start? Where did you get the idea?

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• How to pick a great working team?

  - by Javierfdr

  I've just finished my master and I'm starting to dig into the laboral world, i.e. learning how programming teams and technology companies work in the real world. I'm starting to design the idea of my own service or product based on free software, and I will require a well coupled, enthusiast and fluid team to build and the idea. My problem is that I'm not sure which would be the best skills to ask for a programming team of 4-5 members. I have many friends and acquaintances, with whom I've worked during my studies. Must of those ones I have in mind are very capable and smart people, with a good logic and programming base, although some of them have some characteristics that I believe that could influtiate negatively in the group: lack of communication, fear to debate ideas, hard to give when debating, lack of structured programming (testing, good commenting, previous design and analysis). Some of them have this negative characteristics, but must of them have a lot of enthusiasm, nice working skills (from an individual point of view), and ability to see the whole picture. The question is: how to pick the best team for a large scale project, with a lot of programming? Which of these negative skills do you think are just too influential? Which can be softened with good leadership? Wich good skills are to be expected? And any other opinion about social and programming skills of a programming team.

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• Is it better to build HTML Code string on the server or on the client side?

  - by Ionut

  The result of the following process should be a html form. This form's structure varies from one to user. For example there might be a different number of rows or there may be the need for rowspan and colspan. When the user chooses to see this table an ajax call is made to the server where the structure of the table is decided from the database. Then I have to create the html code for the table structure which will be inserted in the DOM via JavaScript. The following problem comes to my mind: Where should I build the HTML code which will be inserted in the DOM? On the server side or should I send some parameters in the ajax call method and process the structure there? Therefore the main question involves good practice when it comes to decide between Server side processing or client side processing. Thank you!

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• How should I make progress further as a programmer?

  - by mushfiq

  Hello, I have just left my college after doing graduation in computer engineering,during my college life I tried to do some freelancing in local market.I succeeded in the last year and earned some small amounts based on joomla,wordpress and visual basic based job.I had some small projects on php,mysql also. After finishing my undergrad life,I sat for an written test for post of python programmer and luckily I got the job and is working there(Its a small software firm do most of the task in python).Day by day I have gained some experience with core python. Meanwhile an USA based web service firm called me for the interview and after finishing three steps(oral+mini coding project+final oral)they selected me(i was wondered!).And I am going to join their with in few days.There I have to work in python(based on Django framework,I know only basic of this framework). My problem is when I started to work with python simultaneously I worked in Odesk as a wordpress,joomla,drupal,php developer. Now a days I am feeling that I am getting "Jack of all trades master of none". My current situation is i am familiar with several popular web technologies but not an expert.I want to make myself skilled. How should I organize myself to be a skilled web programmer?

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• When Web Trends Go Bad

  There are few areas of modern life as rife with hype, hoopla and hazy prognosticating as the Internet. Before the Web era, the Holy Grail was the "paperless office," but since the mid-1990s it';s been... [Author: Chris Haycox - Web Design and Development - March 26, 2010]

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• Best practice in setting return value (use else or?)

  - by Deckard

  Whenever you want to return a value from a method, but whatever you return depends on some other value, you typically use branching: int calculateSomething() { if (a == b) { return x; } else { return y; } } Another way to write this is: int calculateSomething() { if (a == b) { return x; } return y; } Is there any reason to avoid one or the other? Both allow adding "else if"-clauses without problems. Both typically generate compiler errors if you add anything at the bottom. Note: I couldn't find any duplicates, although multiple questions exist about whether the accompanying curly braces should be on their own line. So let's not get into that.

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• What are QUICK interview questions for the Microsoft stack development jobs?

  - by Dubmun

  I'm looking for your best "quick answer" technical interview questions. We are a 100% Microsoft shop and do the majority of our development on the ASP.NET web stack in C# and have a custom SOA framework also written in C#. We use a combination of Web Forms, MVC, Web Services, WCF, Entity Framework, SQL Server, TSQL, jQuery, LINQ, and TFS in a SCRUM environment. We are currently on .NET 3.5 with a very near transition to .NET 4.0. Our interviewing process includes a 55 minute interview with two technical people (usually an architect and a senior developer). The two interviewers have to share the time for questions. That isn't enough time for very many true programming problems so I'm looking for more good questions that have quick, yet meaningful, answers. We are mainly interviewing for Senior Dev positions right now but may interview for some Juniors in the future. Please help?

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• Several domains using 302 redirect to our domain

  - by Yamaha32088

  I am wondering what implications we can run into if one of our dealers is redirecting several of their domains using a 302 to our domain. The reason they are doing this is because they want to have time to build on their current sites but still want some content on the domains they own. Currently our domain is under a Manual Penalty for back links that we are working on removing. I do not like the idea of them linking back to our site but I need logical reasons other than "because I don't want you to".

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• My Last "Catch-Up" Post for 2010 Content

  - by KKline

  I did a lot of writing in 2010. Unfortunately, I didn't do a good job of keeping all of that writing equally distributed throughout all of the channels where I'm active. So here are a few more posts from my blog, put on-line during the months of November and December 2010, that I didn't get posted here on SQLBlog.com: 1. It's Time to Upgrade! So many of my customers and many of you, dear readers, are still on SQL Server 2005. Join Kevin Kline , SQL Server MVP and SQL Server Technology Strategist...(read more)

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• Is writing software in the absence of requirements a skill to possess or a situation I should avoid?

  - by Brian Reindel

  I find that some software developers are very adept at this, and often times are praised for their ability to deliver a working concept with abstract requirements. Frankly, this drives me crazy, and I don't like "making it up" as I go. I used to think this was problematic, but I've started to sense a shift, and I'm wondering if I need to adjust my thought (and programming) process when given very little direction. Should I begin to acquire this ability as a skill, or stick to the idea that requirement's gathering and business rules are the first priority?

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• Is it good to review programs with seniors and boss even if it is working fine?

  - by Himanshu

  In my company, before delivery of any project, my boss asks my seniors to review programs written by me or other team members or sometimes boss also sits with us for review. I think it is a good way of getting knowledge, but sometimes when programs are working fine, they don't work same after review and I need to look again into my program. They says that review helps to optimize program and query execution, but can we prefer optimization over actual functioning of program?

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• Knowing so much but application is a problem?

  - by Moaz ELdeen

  In my work, my friends always tell me, you know so much about computer science, electronics engineering,..etc. But I have difficulty in applying them and my code is crap. How to solve that problem? Will I be better or programming isn't my career? For example, yes I know OCTree that is used for space partitioning in games and it is used for optimization, did I implement it? No, but I know about it in principle.. Do I know algorithms like Sorting, Searching,..etc? Yes, and I know them pretty well, but didn't implement them.. When I get a task, I struggle in applying the things that I know...

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• How to avoid getting carried away with details?

  - by gablin

  When I program, I often get too involved with details. There might be some little thing that doesn't do exactly what I want it to, or maybe there's some little feature I want to add. Either way, none are really essential to the application - it's just a minor niusance (if any). However, when trying to fix it, I may happen to spend way more time on it than I planned, and there are things much more important that I should be doing instead of dealing with this little detail. What can I do to avoid getting carried away with details, when there's more essential things that need doing? (I didn't know how to tag this question, so feel free to add whatever appropriate tags that are missing.)

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• What's so bad about pointers in C++?

  - by Martin Beckett

  To continue the discussion in Why are pointers not recommended when coding with C++ Suppose you have a class that encapsulates objects which need some initialisation to be valid - like a network socket. // Blah manages some data and transmits it over a socket class socket; // forward declaration, so nice weak linkage. class blah { ... stuff TcpSocket *socket; } ~blah { // TcpSocket dtor handles disconnect delete socket; // or better, wrap it in a smart pointer } The ctor ensures that socket is marked NULL, then later in the code when I have the information to initialise the object. // initialising blah if ( !socket ) { // I know socket hasn't been created/connected // create it in a known initialised state and handle any errors // RAII is a good thing ! socket = new TcpSocket(ip,port); } // and when i actually need to use it if (socket) { // if socket exists then it must be connected and valid } This seems better than having the socket on the stack, having it created in some 'pending' state at program start and then having to continually check some isOK() or isConnected() function before every use. Additionally if TcpSocket ctor throws an exception it's a lot easier to handle at the point a Tcp connection is made rather than at program start. Obviously the socket is just an example, but I'm having a hard time thinking of when an encapsulated object with any sort of internal state shouldn't be created and initialised with new.

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• Oracle support note for Leap Second Hang problem that may result into 100% CPU utilization in Linux environment

  - by Anand Akela

  Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} On or around July 1, 2012, Oracle has become aware of an issue on Linux distributions resulting from the introduction of the leap second; this is causing problems for some customers.  Leap seconds may be introduced at the end of June or December in a calendar year, like 2012, as necessary to maintain time standards. Servers hosting Oracle products which are clients of an NTP server (Network Time Protocol) may be particularly susceptible to this issue as the NTP server is updated. Linux distributions which may be affected include Oracle Enterprise Linux, Red Hat Enterprise Linux, Oracle VM and Oracle Unbreakable Enterprise Kernel. Asianux 2 and 3, based on RHEL 4 and 5, may also be affected. One report of correction to high agent CPU using Note 1472421.1 on SLES11 has also been reported. Not all customers will be affected, but those, who are affected, may observe higher than normal CPU consumption on their Linux environments where JVM's are utilized.  In Oracle Enterprise Manager ( EM ) , this problem can manifest itself as high CPU consumption with the EM Agent process (which runs on a JVM in EM 12c, for instance).  It is possible that the OMS is also affected. We would advise customers to review the description of this problem in MOS Note 1472651.1 and take action if they observe that their environment is affected. Contributed by Andrew Bulloch , Director, Application Systems Management Products

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• Is committing/checking code everyday a good practice?

  - by ArtB

  I've been reading Martin Fowler's note on Continuous Integration and he lists as a must "Everyone Commits To the Mainline Every Day". I do not like to commit code unless the section I'm working on is complete and that in practice I commit my code every three days: one day to investigate/reproduce the task and make some preliminary changes, a second day to complete the changes, and a third day to write the tests and clean it up^ for submission. I would not feel comfortable submitting the code sooner. Now, I pull changes from the repository and integrate them locally usually twice a day, but I do not commit that often unless I can carve out a smaller piece of work. Question: is committing everyday such a good practice that I should change my workflow to accomodate it, or it is not that advisable? ^ The order is more arbitrary and depends on the task, my point was to illustrate the time span and activities, not the exact sequence.

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• Grading an algorithm: Readability vs. Compactness

  - by amiregelz

  Consider the following question in a test \ interview: Implement the strcpy() function in C: void strcpy(char *destination, char *source); The strcpy function copies the C string pointed by source into the array pointed by destination, including the terminating null character. Assume that the size of the array pointed by destination is long enough to contain the same C string as source, and does not overlap in memory with source. Say you were the tester, how would you grade the following answers to this question? 1) void strcpy(char *destination, char *source) { while (*source != '\0') { *destination = *source; source++; destionation++; } *destionation = *source; } 2) void strcpy(char *destination, char *source) { while (*(destination++) = *(source++)) ; } The first implementation is straightforward - it is readable and programmer-friendly. The second implementation is shorter (one line of code) but less programmer-friendly; it's not so easy to understand the way this code is working, and if you're not familiar with the priorities in this code then it's a problem. I'm wondering if the first answer would show more complexity and more advanced thinking, in the tester's eyes, even though both algorithms behave the same, and although code readability is considered to be more important than code compactness. It seems to me that since making an algorithm this compact is more difficult to implement, it will show a higher level of thinking as an answer in a test. However, it is also possible that a tester would consider the first answer not good because it's not readable. I would also like to mention that this is not specific to this example, but general for code readability vs. compactness when implementing an algorithm, specifically in tests \ interviews.

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• How to handle compensation issue

  - by Ali

  I consider myself an expert Software Developer. Recently, I noticed my current company posted a new job through a recruting firm requiring half experience than I have and even lesser set of skills. However, they are offering the same salary as my current salary. When I joined my current company a year ago, they declined to pay my asking salary. My evaluations are good and there are critical projects in the pipeline where my involvement is crucial for their success. I'm little confused on how to handle this situation. I don't want to come across threatning or any thing like that.

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• How do you author code

  - by garbagecollector

  This is something I was never taught. I have seen alot of different types of authoring styles. I code primarily in Java and Python. I was wondering if there was a standard authoring style or if everything is freestyle. Also if you answer would you mind attaching the style you use to author files that your create at home or at work. I usually just go @author garbagecollector @company garbage inc.

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• Making dummy applications while not involved in LIVE work [closed]

  - by Ratan Sharma

  I know this is subjective but I am looking for some real time helpful points/advice here, which will be helpful for some to get motivated. In our company so many people are on bench(not assigned with real time work) and they do not want to experiment things by their own. What would be a good motivation for them to keep their learning spirit? I personally feel that one can learn and give more effort in live client work than regular practicing things and making dummies. Am I right here or it is just my thinking only?

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• OOW content for Pattern Matching....

  - by KLaker

  If you missed my sessions at OpenWorld then don't worry - all the content we used for pattern matching (presentation and hands-on lab) is now available for download. My presentation "SQL: The Best Development Language for Big Data?" is available for download from the OOW Content Catalog, see here: https://oracleus.activeevents.com/2013/connect/sessionDetail.ww?SESSION_ID=9101 For the hands-on lab ("Pattern Matching at the Speed of Thought with Oracle Database 12c") we used the Oracle-By-Example content. The OOW hands-on lab uses Oracle Database 12c Release 1 (12.1) and uses the MATCH_RECOGNIZE clause to perform some basic pattern matching examples in SQL. This lab is broken down into four main steps: Logically partition and order the data that is used in the MATCH_RECOGNIZE clause with its PARTITION BY and ORDER BY clauses. Define patterns of rows to seek using the PATTERN clause of the MATCH_RECOGNIZE clause. These patterns use regular expressions syntax, a powerful and expressive feature, applied to the pattern variables you define. Specify the logical conditions required to map a row to a row pattern variable in the DEFINE clause. Define measures, which are expressions usable in the MEASURES clause of the SQL query. You can download the setup files to build the ticker schema and the student notes from the Oracle Learning Library. The direct link to the example on using pattern matching is here: http://apex.oracle.com/pls/apex/f?p=44785:24:0::NO:24:P24_CONTENT_ID,P24_PREV_PAGE:6781,2.

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• Open-Source Software: Bad, Evil and Un-American

  OS Roundup: So says the International Intellectual Property Alliance, a group of trade bodies that includes the MPAA and the RIAA. In its eyes, countries that encourage the use of open-source software are in the same league as those with rampant copyright piracy.

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• Open-Source Software: Bad, Evil and Un-American

  OS Roundup: So says the International Intellectual Property Alliance, a group of trade bodies that includes the MPAA and the RIAA. In its eyes, countries that encourage the use of open-source software are in the same league as those with rampant copyright piracy.

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