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• Is what someone publishes on the Internet fair game when considering them for employment as a programmer?

  - by Jon Hopkins

  (Originally posted on Stack Overflow but closed there and more relevant for here) So we first interviewed a guy for a technical role and he was pretty good. Before the second interview we googled him and found his MySpace page which could, to put it mildly, be regarded as inappropriate. Just to be clear there was no doubt that it was his page (name, photos, matching biographical information and so on). The content was entirely personal and in no way related to his professional abilities or attitude. Is it fair to consider this when thinking about whether to offer them a job? In most situations my response would be what goes on in someone's private life is their own doing. However for anyone technical who professes (implicitly or explicitly) to understand the Internet and the possibilities it offers, is posting things in a way which can so obviously be discovered a significant error of judgement? EDIT: Clarification - essentially it was a fairly graphic commentary on porn (but of, shall we say, a non-academic nature). I'm actually more interested in the general concept than the specific incident as it's something we're likely to see more in the future as people put more and more of themselves on-line. My concerns are not primarily about him and how he feels about such things (he's white, straight, male and about the last possible victim of discrimination on the planet in that sense), more how it reflects on the company that a very simple search (basically his name) returns these things and that clients may also do it. We work in a relatively conservative industry.

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• How do you cope with change in open source frameworks that you use for your projects?

  - by Amy

  It may be a personal quirk of mine, but I like keeping code in living projects up to date - including the libraries/frameworks that they use. Part of it is that I believe a web app is more secure if it is fully patched and up to date. Part of it is just a touch of obsessive compulsiveness on my part. Over the past seven months, we have done a major rewrite of our software. We dropped the Xaraya framework, which was slow and essentially dead as a product, and converted to Cake PHP. (We chose Cake because it gave us the chance to do a very rapid rewrite of our software, and enough of a performance boost over Xaraya to make it worth our while.) We implemented unit testing with SimpleTest, and followed all the file and database naming conventions, etc. Cake is now being updated to 2.0. And, there doesn't seem to be a viable migration path for an upgrade. The naming conventions for files have radically changed, and they dropped SimpleTest in favor of PHPUnit. This is pretty much going to force us to stay on the 1.3 branch because, unless there is some sort of conversion tool, it's not going to be possible to update Cake and then gradually improve our legacy code to reap the benefits of the new Cake framework. So, as usual, we are going to end up with an old framework in our Subversion repository and just patch it ourselves as needed. And this is what gets me every time. So many open source products don't make it easy enough to keep projects based on them up to date. When the devs start playing with a new shiny toy, a few critical patches will be done to older branches, but most of their focus is going to be on the new code base. How do you deal with radical changes in the open source projects that you use? And, if you are developing an open source product, do you keep upgrade paths in mind when you develop new versions?

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• Getting .deb package dependencies for an offline Ubuntu computer through Windows

  - by user109500

  Basically I want to "batch" download a .deb file and all its dependencies at once on a Windows 7 machine (of which I do not have admin access, it is a public computer.) I've seen plenty of Ubuntu based fixes that require terminal and apt, I'm asking how to do this on Windows. (I am not sure if this question fits here but I haven't found anywhere else that it could go.) I've tried Keryx and Sushi-huh to try to get packages and their dependencies but these both require Python, Python can't be normally installed without admin permission. (Side note, I think I've seen programs bundle python so they can work without installing it to c:, is this possible as a workaround? Google isn't helping) If anyone wants to know I'm trying to download Krita and Blender for Ubuntu 12.10/AMD64 I have been able to manually download single .deb files and dependencies upwards to 38 dependent packages, but then those 38 packages depend on other packages, It's maddening to not have some way to automatically do this on Windows. *Edit Sorry I forgot to make it clear that my personal home computer is running Ubuntu 12.10 and the public computer I'm using to download is Windows 7

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• Advantages and Disadvantages of the Waterfall Methodology

  In my personal opinion I believe the waterfall method is one of the worst methodologies to use when developing larger systems because it leaves is no room for mistakes. As the name implies the waterfall methodology does not allow  for projects to go back up stream to recover from design errors, missing and/or limited requirements. In addition, hidden bugs are not usually found until the testing phase. This can prove to be very costly and time consuming to the developer and the client. According to NCycles.com, the waterfall methodology structures a project into separate stages with defined deliverables from each phase. Define Design Code Test Implement Document and Maintain The advantages found by Ncycle.com to this methodology are: Ease in analyzing potential changes  Ability to coordinate larger teams, even if geographically distributed Can enable precise dollar budget Less total time required from Subject Matter Experts The disadvantages found by Ncycle.com to this methodology are: Lack of flexibility Hard to predict all needs in advance Intangible knowledge lost between hand-offs Lack of team cohesion Design flaws not discovered until the Testing phase References: NCycles.com  (2002). Retrieved from http://www.ncycles.com/e_whi_Methodologies.htmmethodology on April 17, 2009

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• What's the relationship between meta-circular interpreters, virtual machines and increased performance?

  - by Gomi

  I've read about meta-circular interpreters on the web (including SICP) and I've looked into the code of some implementations (such as PyPy and Narcissus). I've read quite a bit about two languages which made great use of metacircular evaluation, Lisp and Smalltalk. As far as I understood Lisp was the first self-hosting compiler and Smalltalk had the first "true" JIT implementation. One thing I've not fully understood is how can those interpreters/compilers achieve so good performance or, in other words, why is PyPy faster than CPython? Is it because of reflection? And also, my Smalltalk research led me to believe that there's a relationship between JIT, virtual machines and reflection. Virtual Machines such as the JVM and CLR allow a great deal of type introspection and I believe they make great use it in Just-in-Time (and AOT, I suppose?) compilation. But as far as I know, Virtual Machines are kind of like CPUs, in that they have a basic instruction set. Are Virtual Machines efficient because they include type and reference information, which would allow language-agnostic reflection? I ask this because many both interpreted and compiled languages are now using bytecode as a target (LLVM, Parrot, YARV, CPython) and traditional VMs like JVM and CLR have gained incredible boosts in performance. I've been told that it's about JIT, but as far as I know JIT is nothing new since Smalltalk and Sun's own Self have been doing it before Java. I don't remember VMs performing particularly well in the past, there weren't many non-academic ones outside of JVM and .NET and their performance was definitely not as good as it is now (I wish I could source this claim but I speak from personal experience). Then all of a sudden, in the late 2000s something changed and a lot of VMs started to pop up even for established languages, and with very good performance. Was something discovered about the JIT implementation that allowed pretty much every modern VM to skyrocket in performance? A paper or a book maybe?

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• Oracle Endeca Information Discovery 3.1 is Now Available

  - by p.anda

  Oracle Endeca Information Discovery (OEID) 3.1 is a major release that incorporates significant new self-service discovery capabilities for business users. These include agile data mashup, extended support for unstructured analytics, and an even tighter integration with Oracle BI This release is available for download from: Oracle Delivery Cloud Oracle Technology Network Some of the what's new highlights ... Self-service data mashup... enables access to a wider variety of personal and trusted enterprise data sources. Blend multiple data sets in a single app. Agile discovery dashboards... allows users to easily create, configure, and securely share discovery dashboards with intelligent defaults, intuitive wizards and drag-and-drop configuration. Deeper unstructured analysis ... enables users to enrich text using term extraction and whitelist tagging while the data is live. Enhanced integration with OBI... provides easier wizards for data selection and enables OBI Server as a self-service data source. Enterprise-class data discovery... offers faster performance, a trusted data connection library, improved auditing and increased data connectivity for Hadoop, web content and Oracle Data Integrator. Find out more ... visit the OEID Overview page to download the What's New and related Data Sheet PDF documents. Have questions or want to share details for Oracle Endeca Information Discovery?  The MOS Communities is a great first stop to visit and you can stop-by at MOS OEID Community.

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• Allow access to WordPress site only by links in email newsletters

  - by Shane

  I send out a personal email newsletter, and have been looking into sending it via some service like MailChimp, or sendy.co. Many of these email services suggest, or require, the email newsletter content to be available online, in case the recipient's email app doesn't render it properly, or at all. The thing is I don't want my newsletter contents visible to the whole world. Nor do I want to require existing recipients to make accounts/be assigned accounts, with passwords. So, the question is: How can my WordPress site content be viewable only by clicking on the link to it in the email newsletter. It can't be found in a Google search; but once at the site the visitor can view previous newsletter contents. It seems an .htaccess file would do the trick, but I have been unable to figure out the syntax for this. Thanks for your help. I have copied below two other questions, and answers, which have helped me word my question clearly. Similar to this request about allowing access to a certain group while still restricting access to the world: Is there a way to password protect directory only in cpanel. But the user should not be prompted the password, when they try to access it via web? This persons question is the closest I could find to my situation: Restrict direct folder access via .htaccess except via specific links

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• MVC Validation with ModelState.isValid through a wizard

  - by Emmanuel TOPE

  I'm working on a small educational project on MVC 3, and I'm facing a small problem, when attempting to handle validation in my application through a wizard. I tried to get benefit from the ability of MVC3 to deliver content of a different view using the same URL, when handling an [HttpPost] method on a page. I my case,my main model's class contains about ten [Required] properties, that I would like to expose through a small wizard in 3 steps , So I want that the user may be able to enter his personal informations in the first step, then respond to some questions in the second stepp and finally receive a confirmation mail from the web application whit his credentials in the last step. I can't access the last step, because of the ModelState.isValid method that I use to handle validations, and which can't perform properly if I define some properties as [Required], but don't put them on the first view. As the replies to those questions remain in a couple of choices, I've thinked that I may use some nullable bool? for in order to avoid validation issues, but know that it's not the proper way. Are there someone who would like to help me find a way to extend my validation to those three steps ? Thanks in advance and sorry for my english, I'm not a native speaker.

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• Uwall.tv Turns YouTube into a Video Jukebox

  - by ETC

  If you frequently hit up YouTube to get your music fix, Uwall.tv is a video playlist service that turns YouTube into your personal music video jukebox. Visit Uwall.tv, plug in an artist or band name, and Uwall.tv generates a playlist of music by the act you’re interested in. You can further filter by popularity, upload date, rating, and video quality. Uwall.tv also suggests other artists you might be interested in. If you login with Facebook Connect you can also build custom playlists and break free from the one-artist-list limitation. UWall.tv is a free service, login only required for creating and saving custom playlists. UWall.tv [via Google Tutor] Latest Features How-To Geek ETC Learn To Adjust Contrast Like a Pro in Photoshop, GIMP, and Paint.NET Have You Ever Wondered How Your Operating System Got Its Name? Should You Delete Windows 7 Service Pack Backup Files to Save Space? What Can Super Mario Teach Us About Graphics Technology? Windows 7 Service Pack 1 is Released: But Should You Install It? How To Make Hundreds of Complex Photo Edits in Seconds With Photoshop Actions Add a “Textmate Style” Lightweight Text Editor with Dropbox Syncing to Chrome and Iron Is the Forcefield Really On or Not? [Star Wars Parody Video] Google Updates Picasa Web Albums; Emphasis on Sharing and Showcasing Uwall.tv Turns YouTube into a Video Jukebox Early Morning Sunrise at the Beach Wallpaper Data Networks Visualized via Light Paintings [Video]

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• Is there a way to legally create a game mod?

  - by Rodrigo Guedes

  Some questions about it: If I create a funny version of a copyrighted game and sell it (crediting the original developers) would it be considered a parody or would I need to pay royalties? If I create a game mod for my own personal use would it be legal? What if I gave it for free to a friend? Is there a general rule about it or it depends on the developer will? P.S.: I'm not talking about cloning games like this question. It's all about a game clearly based on another. Something like "GTA Gotham City" ;) EDIT: This picture that I found over the internet illustrate what I'm talking about: Just in case I was not clear: I never created a mod game. I was just wondering if it would be legally possible before trying to do it. I'm not apologizing piracy. I pay dearly for my games (you guys have no idea how expensive games are in Brazil due to taxes). Once more I say that the question is not about cloning. Cloning is copy something and try to make your version look like a brand new product. Mods are intended to make reference to one or more of its source. I'm not sure if it can be done legally (if I knew I wasn't asking) but I'm sure this question is not a duplicate. Even so, I trust in the moderators and if they close my question I will not be offended - at least I had an opportunity to explain myself and got 1 good answer (by the time I write this, maybe some more will be given later).

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• How to recover bad encripted directory

  - by Fato Alessandro

  I had a problem while formatting Ubuntu. I tried to reinstall without formatting the home directory and with the same username. The home directory of the new installation was set to be encrypted. Then the installation went wrong because of the cd. So it really never started (stopped at coping stage). How ever Ubuntu did encrypted the home directory but probably the procedure went wrong. By now I installed Ubuntu in another partition, tried to mount with encrypted-recovery but the mounted directory in tmp wasn't the directory I had before. There were just strange directories with coded name. Strange fact is that the file system is not damaged: it continues to know how much data is actually stored in it. If I look with gparted or even nautilus I see 45 Gb of data present on the partition. This let me think that my data are not erased but maybe hidden. Moreover when I tried to mount the encrypted home directory with encrypted-recovery-personal it asked me the encryption secret. I insert nothing, just pressed enter, and the password was accepted. Is thre a method for removing my data? Maybe trying to rencrypt the directory? How could I get back to the previous documents. Thanks to everyone

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• What makes a person contribute to opensource? [duplicate]

  - by Jibin

  This question already has an answer here: Why develop free, open source programs? [closed] 14 answers I know this is controversial, but.. There are many great projects like Apache Webserver or Hadoop provided by the OpenSource Community. I often feel that the people that actually benefit (financially), from these projects are developers like me, sitting in India, working for MNCs, who has never contributed anything to any opensource project so far, but earn handsomely due to my basic googling skills & the community provided documentation. Is it fair ? I mean no other industry in the world face such dilemma.Those who work get paid. I mean I almost am starting to feel guilty of taking such advantage of some thing that I contribute nothing to. I had to do projects every semester in college (we could choose projects) & I used to enjoy coding then. I want to contribute. But contributing to opensource is not a task [unlike college or office work]. And life is so busy .. Are all these opensource contributors really jobless ?[just kidding..] Could someone please share some personal experiences on how you guys started contributing or any advice on why I should contribute or what attitude in life makes you keep aside time or is it that you just crazly love writing code or is it that you just love to see your name in the contributors list or do you have a local coding group you hang out with ? Do you feel I am destined to do this ? This is my part of contributing back to the world ? Whats that basic mentality that make you guys want to contribute, while I just want to finish my work and go home. What makes you guys tick ?

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• Additional new material WebLogic Community

  - by JuergenKress

  Virtual Developer Conference On Demand - Register Updated Book: WebLogic 12c: Distinctive Recipes - Architecture, Development, Administration by Oracle ACE Director Frank Munz - Blog | YouTube Webcast: Migrating from GlassFish to WebLogic - Replay Reliance Commercial Finance Accelerates Time-to-Market, Improves IT Staff Productivity by 70% - Blog | Oracle Magazine Retrieving WebLogic Server Name and Port in ADF Application by Andrejus Baranovskis, Oracle Ace Director - Blog Using Oracle WebLogic 12c with NetBeans IDEOracle ACE Director Markus Eisele walks you through installing and configuring all the necessary components, and helps you get started with a simple Hello World project. Read the article. Video: Oracle A-Team ADF Mobile Persistence SampleThis video by Oracle Fusion Middleware A-Team architect Steven Davelaar demonstrates how to use the ADF Mobile Persistence Sample JDeveloper extension to generate a fully functional ADF Mobile application that reads and writes data using an ADF BC SOAP web service. Watch the video. Java ME 8 ReleaseDownload Java ME today! This release is an implementation of the Java ME 8 standards JSR 360 (CLDC 8) and JSR 361 (MEEP 8), and includes support of alignment with Java SE 8 language features and APIs, an enhanced services-enabled application platform, the ability to "right-size" the platform to address a wide range of target devices, and more. Learn more Download Java ME SDK 8It includes application development support for Oracle Java ME Embedded 8 platforms and includes plugins for NetBeans 8. See the Java ME 8 Developer Tools Documentation to learn JavaOne 2014 Early Bird RateRegister early to save $400 off the onsite price. With the release of Java 8 this year, we have exciting new sessions and an interactive demo space! NetBeans IDE 8.0 Patch UpdateThe NetBeans Team has released a patch for NetBeans IDE 8.0. Download it today to get fixes that enhance stability and performance. Java 8 Questions ForumFor any questions about this new release, please join the conversation on the Java 8 Questions Forum. Java ME 8: Getting Started with Samples and Demo CodeLearn in few steps how to get started with Java ME 8! The New Java SE 8 FeaturesJava SE 8 introduces enhancements such as lambda expressions that enable you to write more concise yet readable code, better utilize multicore systems, and detect more errors at compile time. See What's New in JDK 8 and the new Java SE 8 documentation portal. Pay Less for Java-Related Books!Save 20% on all new Oracle Press books related to Java. Download the free preview sampler for the Java 8 book written by Herbert Schildt, Maurice Naftain, Henrik Ebbers and J.F. DiMarzio. New book: EJB 3 in Action, Second Edition WebLogic 12c Does WebSockets Getting Started by C2B2 Video: Building Robots with Java Embedded Video: Nighthacking TV Watch presentations by Stephen Chin and community members about Java SE, Java Embedded, Java EE, Hadoop, Robots and more. Migrating the Spring Pet Clinic to Java EE 7 Trip report : Jozi JUG Java Day in Johannesburg How to Build GlassFish 4 from Source 4,000 posts later : The Aquarium WebLogic Partner Community For regular information become a member in the WebLogic Partner Community please visit: http://www.oracle.com/partners/goto/wls-emea ( OPN account required). If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Mix Forum Wiki Technorati Tags: WebLogic,WebLogic Community,Oracle,OPN,Jürgen Kress

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• How do I pick which agency to go through?

  - by RoboShop

  I work in a town where the majority of work comes from the government. As a contractor, I generally have to apply for work through agencies which are on the government's preferred vendor's list. Most jobs are publicly listed and to apply for them, you generally need an agency to represent you by submitting your application with a rate which is usually your rate plus their commission. I've been trying to figure out what the agencies do, and it seems a large part of what they do is 1) get on that preferred vendor's list and 2) forward resumes. So right now, my policy is that since their commission affects how expensive I am, one - I don't work with companies that do not disclose their margin. And two, I go for the agency that takes the least amount of commission for the job I want to apply for. IS that the best approach? I would think applying for a job with the most competitive rate is the best approach but I also wonder whether which agency you're applying through actually matter? I know some agencies actually build personal relationships with senior managers but how do I know which one? How do I know that actually affect my job prospects? What criteria should I use to decide which agent I go through for the job?

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• I have done everything correct on my asp.net website, re: SEO; why aren't google backlinks showing?

  - by Jason Weber

  I recently implemented many SEO techniques for a company on their asp.net website; in 6 months, we jumped from a PR1 to a PR3. But I'm having issues with google backlinking. Here are some of the things I've done: Not only did I set up their own Google+ page 6 months ago, I update it pretty much daily with links, pictures, etc., and I blog about it on my own personal Google+ page and post links, etc. ... They have their own Twitter, Facebook, YouTube, and all are updated almost daily. I've listed in as many quality, relevant directories as possible 6 months ago; I've avoided link farms. The site is solid SEO-wise. Key-phrase rich URLs, schema.org & rich snippets. No duplicate content ... www or non-www 301's, trailing slashes, etc. ... all taken care of. Probably a ton of other things, but basically, the site is all set, SEO-wise. Here's what's confounding: When I do a link:www.example.com in Bing/Yahoo, it shows many backlinks. When I do a link:www.example.com in google, it shows up 0 links. Or when I use a site-ranker like Web Site Rank Tool it's showing 0 backlinks from Google. Any suggestions would be appreciated!

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• Why not have a High Level Language based OS? Are Low Level Languages more efficient?

  - by rtindru

  Without being presumptuous, I would like you to consider the possibility of this. Most OS today are based on pretty low level languages (mainly C/C++) Even the new ones such as Android uses JNI & underlying implementation is in C In fact, (this is a personal observation) many programs written in C run a lot faster than their high level counterparts (eg: Transmission (a bittorrent client on Ubuntu) is a whole lot faster than Vuze(Java) or Deluge(Python)). Even python compilers are written in C, although PyPy is an exception. So is there a particular reason for this? Why is it that all our so called "High Level Languages" with the great "OOP" concepts can't be used in making a solid OS? So I have 2 questions basically. Why are applications written in low level languages more efficient than their HLL counterparts? Do low level languages perform better for the simple reason that they are low level and are translated to machine code easier? Why do we not have a full fledged OS based entirely on a High Level Language?

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• Is it possible to transfer a domain without a "gap" in Whois privacy protection?

  - by Guest

  I currently own several domains on which I am using a Whois privacy protection service to hide my personal details. In the near future, I would like to transfer some of these domains to a different registrar. It has been many years since I last performed domain transfers, so I am no longer knowledgeable about what it involves. However, I have read from several registrars that they ask their customers to disable Whois protection before effecting a domain transfer. Since there are several websites out there that publish archived versions of Whois information (and ask handsome money for the information to be hidden, of course), I would prefer to avoid having such a "gap" in my privacy protection. I figured that these websites would fetch Whois information mainly when a query is effected through their own website. However, I have found out that at least one of these sites had a copy of the Whois information for a new domain up on their site within hours after I registered it, so they must have some other source (of course I used a Google search to find that out, not their own site). What that tells me is that the time it takes for the domain transfers to go through would be more than enough for these rogue websites to cache my information. If my new registrar offers privacy protection for domains right from the point of registration as well, is there no way to transfer the domain between the two without reverting to my default Whois information in between?

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• Going on 15 months for me...

  - by Ratman21

  About 5 face to face interviews, 4 telephone ones and except for the two weeks Census Job. But, after 15 months looking for work, I am still with out a JOB. What is wrong here or with me? Let’s see, hard worker (check), self motivated to do well on a Job (Check), Certified CompTIA A+, Security+  and Network+ Technician (Check), 20 + years experience in “IT” (CHECK), in good health, in 20 years of work only 15 days off due to health issues (Check), 18 years experience as technical Help Desk support (Check), can still work better than younger personal (Check), Strong trouble shooting skills for software, computer hard ware and circuit issues (Check) and Multiple software languages (Hey I have done some programming) Check. Hmm I don’t see any problem with me (of course I could have missed something, please let me know if you see what I am missing).    Now as to what have I been up to since I last blogged. The same things of course, Job hunting, job hunting and study.   I have set up sim of my home LAN and will be adding a wireless print server to the sim and in real life, soon.  I was able to pull up and copy the examples of Cisco router commands that I had on my old lap top, to my newer PC. Every time I used a new command while working the NOC on my last job.   I would cut and past a copy of the command on the router (and what it did) I was working on.  Along with notes on the problem and commands use for same router. I used these to make documentation for on how to handle these types of issues, for the other Operation Techs. My old notes are helping me in studying for the CCENT test.    As to Love Dare, I think it will take more like 40 weeks, than the 40 days of the book. Yes I am making progress, slow but, it is progress. I will have more on that in my next blog.

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• The Developers Conference 2012: Presentation about CEP & BAM

  - by Ricardo Ferreira

  This year I had the pleasure again of being one of the speakers in the TDC ("The Developers Conference") event. I have spoken in this event for three years from now. This year, the main theme of the SOA track was EDA ("Event-Driven Architecture") and I decided to delivery a comprehensive presentation about one of my preferred personal subjects: Real-time using Complex Event Processing. The theme of the presentation was "Business Intelligence in Real-time using CEP & BAM" and I would like to share here the presentation that I have done. The material is in Portuguese since was an Brazilian event that happened in São Paulo. Once my presentation has a lot of videos, I decided to share the material as a Youtube video, so you can pause, rewind and play again how many times you want it. I strongly recommend you that before starting watching the video, you change the video quality settings to 1080p in High Definition.

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• I am afraid that my University is not going to teach me enough information [closed]

  - by Muhklayne

  I attend a University and am a Computer Science major. I have barely entered into the major, as I am a sophomore. However, the coursework I am doing is extremely easy already and I feel as though this degree is going to lead me to a path of knowledge without knowing how to bring it all together. Therefore, I am coming to you to ask where I should begin learning on my own! I am willing to dedicate hours upon hours of learning to code outside of class, as it is truly my passion. I will begin by completing all work on http://www.codecademy.com, however I feel this will not be enough either. I would love to learn to integrate visual languages for video games such as NXA and C# combining it with C++ (as I understand video games can be created in this manner). I would also like to look into LUA and Python scripting. I am asking for advice as to where I should begin my personal studies of learning to program, as with my research it has become quite apparent that simply attaining a degree in Computer Science is quite frankly not enough. Thank you for your time!

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• (PHP vs Python vs Perl) vs Ruby [closed]

  - by Dr.Kameleon

  OK, here's what : I've programmed in over 20 different languages and now, because of a large project I'm currently working on for Mac OS X (in Objective-C/Cocoa), I need to make a final decision on which language to use for my background scripting + plugin functionality. Definitely, one factor that'll ultimately influence my decision is which one I'm most familiar with, which is PHP (one of the ugliest languages around, which I however adore... lol), then Python / Perl (the "proven values"... )... and then Ruby (which, to me, is almost confusing and I've only played with it for some time.) Now, here's my considerations : (As previously mentioned) Being familiar with it (anyway, if X is better in my case, I really don't mind studying it from scratch...) Speed Good interaction with the Shell + ease of integration with my Cocoa application Btw, some of the reasons that made me wonder if Ruby would be a good choice is : The hype around it (although, I still don't get why; but that's probably just me...) My major competitor (we're actually talking about the same type of software here) is using Ruby for its backend scripting almost exclusively (ok, along with some BASH). Isn't Ruby considered slower e.g. than Perl? Why did he choose that? Simply, a matter of personal taste? So... your thoughts?

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• Is micro-optimisation important when coding?

  - by BozKay

  I recently asked a question on stackoverflow.com to find out why isset() was faster than strlen() in php. This raised questions around the importance of readable code and whether performance improvements of micro-seconds in code were worth even considering. My father is a retired programmer, I showed him the responses and he was absolutely certain that if a coder does not consider performance in their code even at the micro level, they are not good programmers. I'm not so sure - perhaps the increase in computing power means we no longer have to consider these kind of micro-performance improvements? Perhaps this kind of considering is up to the people who write the actual language code? (of php in the above case). The environmental factors could be important - the internet consumes 10% of the worlds energy, I wonder how wasteful a few micro-seconds of code is when replicated trillions of times on millions of websites? I'd like to know answers preferably based on facts about programming. Is micro-optimisation important when coding? EDIT : My personal summary of 25 answers, thanks to all. Sometimes we need to really worry about micro-optimisations, but only in very rare circumstances. Reliability and readability are far more important in the majority of cases. However, considering micro-optimisation from time to time doesn't hurt. A basic understanding can help us not to make obvious bad choices when coding such as if (expensiveFunction() && counter < X) Should be if (counter < X && expensiveFunction()) (example from @zidarsk8) This could be an inexpensive function and therefore changing the code would be micro-optimisation. But, with a basic understanding, you would not have to because you would write it correctly in the first place.

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• Bright Minds in Singapore: Oracle Graduate Hiring

  - by user769227

   Last week I was in Singapore and had the opportunity to take part in our graduate interviewing that we are currently undertaking as part of our ASEAN hiring. I always feel fortunate to get the chance to meet and talk with students in the APAC region and taking time to meet some of the students we interviewed in Singapore last week is no exception. The excitement and enthusiasm of many of the students that I spoke to last week really stands out but what really brought some of them to the forefront for me was their creative ways of thinking and the level of professionalism that I saw in the students. Some of the presentation and communication skills that I saw displayed would rival experienced IT Consultants in the industry.  We still have more interviews to follow up from last week, but I am confident that of the students we had the chance to meet last week some of them will go on to have bright and successful careers here at Oracle.  To all the students that came in and spent the day with us, I want to thank you for giving us your time and for sharing your thoughts and ideas with us. From a business perspective I think you all will go on and do great things and from a personal stand point I enjoyed many of the conversations I had and feel lucky to meet with you. Best of luck with the remainder of your interviews and I hope to see some of you in the halls on my next visit to Singapore.

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• MOSC Bits - Personalized Profile

  - by Irina Donaldson - Moderator -Oracle

  It is a good idea to have a unique profile in MOSC. Your activities there are better recognized and might even become a well known brand! This leads to recognition and trust. My Oracle Support Communities (MOSC)  is a well established platform where experiences are shared. Reputation and trust are the basis for the quality of all communication there. A personalized  profile can help to build up a good reputation. Besides the experience counter, a good name, details about your location and business experience are valuable details. Although a little bit hidden, the profile's avatar can be customized, too. The profile's avatar is an eye catcher and can act as an unique visual representation for  you.  How to add / modify MOSC profile avatar (picture, icon)  ?    Don't look in Edit Profile section. After login, click on  your profile's name on top right.   This lists all public information as part of the Bio section. Select the Activity tab. The Change Avatar link is on same level at far right. A list of predefined symbolic pictures is populated. Choose from the list of existing pictures or try Add Another to upload an image file from your local computer (JPG, PNG, GIF, or BMP only, maximum file size of 2.0 MB). Note: New added images can be used only after running through a review process. Usually after one business day they can be selected for your personal avatar.

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• How do I install iTunes?

  - by David

  I have an iPhone and run Ubuntu on all of my personal computers. Since I did not want to keep a separate partition with Windows on it for the sole purpose of running iTunes, I attempted to install It using Wine. I installed Wine 1.4 from the Software Center and installed iTunes 10.6.3. When I tried to run it I got a slew of error messages. I hopped over to google where it was suggested that I install it through PlayOnLinux. I did so with the same result. Further googling revealed that iTunes 10.6.x is confirmed to work with Wine 1.5.1 and up. I installed Wine 1.5.1 following the instructions I found and was unable to get it to open. I did the same with 1.5.9 with the same results. I opened the Package Manager and installed the Wine 1.5.9 packages through it, and it appears to have installed properly. When trying to install iTunes I got he error "This iTunes installer requires Windows Vista 64 bit or later". Realizing that Wine uses XP as a default I ran winecfg and changed it to Windows 7. This changed nothing and I tried changing it through winetricks to no avail. I even changed it to Vista with the same results. Does anyone know what is going wrong here and how to fix it? Thanks

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