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  • How to refactor an OO program into a functional one?

    - by Asik
    I'm having difficulty finding resources on how to write programs in a functional style. The most advanced topic I could find discussed online was using structural typing to cut down on class hierarchies; most just deal with how to use map/fold/reduce/etc to replace imperative loops. What I would really like to find is an in-depth discussion of an OOP implementation of a non-trivial program, its limitations, and how to refactor it in a functional style. Not just an algorithm or a data structure, but something with several different roles and aspects - a video game perhaps. By the way I did read Real-World Functional Programming by Tomas Petricek, but I'm left wanting more.

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  • Should I demand unit-testing from programmers?

    - by Morten
    I work at a place, where we buy a lot of IT-projects. We are currently producing a standard for systems-requirements for the requisition of future projects. In that process, We are discussing whether or not we can demand automated unit testing from our suppliers. I firmly believe, that proper automated unit-testing is the only way to document the quality and stability of the code. Everyone else seems to think that unit-testing is an optional method that concerns the supplier alone. Thus, we will make no demands of automated unit-testing, continous testing, coverage-reports, inspections of unit-tests or any of the kind. I find this policy extremely frustrating. Am I totally out of line here? Please provide me with arguments for any of the oppinions.

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  • Emailing Interviewer after interview regarding technical solution

    - by Raghav Shankar
    I had an interview yesterday where I was given a programming problem and I was asked to figure the optimal solution for it. I gave a solution that worked in linear time, but used 2 loops (not inner loops). At the end of the interview, the interviewer saw I was interested in solving the problem, so he said the optimal solution uses only one loop and has linear complexity and at the end of the interview I had asked for his card and he gave one to me. I think I might have figured out a solution and I was wondering if it's alright to email the recruiter thanking him for his time and also mentioning about the solution I had figured out?

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  • Learning and Developing with PHP [closed]

    - by KyelJmD
    I am here to ask you What is a good PHP Book that doesn't contain too much details but it is compose of all necessary information to develop in PHP such as (OO PHP, Handling Forms, Database etc etc) This may be subjective but I've tried to look php book recomendations here at Stackoverflow but I cannot find any. Next is What are the things I need to know in learning a PHp framework? specifically I want to learn CAKEPHP. NOTE I do not need those lenghty books that discuss loops and such I already have experience programming with java and C#.

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  • Ceská obchodní banka, a.s. Upgrades to Oracle Database 11g On Time, On Budget and without Disrupting Business Operations

    - by jgelhaus
    You want the new features of the latest release, but upgrading a database is one of those things DBAs can "lose sleep" over.  Ceská obchodní banka, a.s."CSOB" needed to upgrade its production systems in the Czech Republic and Slovakia that supported 90 key applications for its retail, corporate, internet, and ATM services from Oracle Database 9i to Oracle Database 11g with simultaneous migration from Alpha processors/OpenVMS-based hardware to a Power7, AIX system. Oracle Consulting helped to complete the upgrade within schedule and budget, while meeting tight restrictions on downtime. Knowledge transfer by Oracle Consulting to the bank’s IT team has improved self-sufficiency in support and maintenance while the technical and advisory services of Oracle Consulting Expert Services continue to optimize performance and availability while lowering cost of ownership. Read how CSOB maximized the value of its investment in Oracle Database technology with an upgrade to Oracle Database 11g.

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  • Oracle Solaris 11 Developer Webinar Series

    - by Larry Wake
    This coming Tuesday, a new series of webcasts (not to be confused with a series of tubes) is kicking off, aimed at developers. Register today Next week's session covers IPS and related topics: What: Modern Software Packaging for Enterprise Developers When: Tuesday, March 27, 9 AM Pacific Who: Eric Reid, Oracle Systems ISV Engineering We've got several more queued up -- here's the full schedule, with registration links for each one. Or, see the series overview, which includes a link to a "teaser" preview of all the sessions. Topic Date (all sessions 9 AM Pacific) Speaker Modern Software Packaging for Enterprise Developers March 27th Eric Reid (Principal Software Engineer) Simplify Your Development Environment with Zones, ZFS & More April 10th Eric Reid (Principal Software Engineer)Stefan Schneider (Chief Technologist, ISV Engineering) Managing Application Services – Using SMF Manifests in Solaris 11 April 24th Matthew Hosanee (Principal Software Engineer) Optimize Your Applications on Oracle Solaris 11: The DTrace Advantage May 8th Angelo Rajadurai (Principal Software Engineer) Maximize Application Performance and Reliability on Oracle Solaris 11 May 22nd Ikroop Dhillon (Principal Product Manager) Writing Oracle Solaris 11 Device Drivers June 6th Bill Knoche (Principal Software Engineer)

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  • how to install gfortran package on ubuntu 12.04 offline pc

    - by veerendar
    I have downloaded gfortran package from there site and now looking for installing it on the offline ubuntu 12.04 pc... please don't close this question stating possible duplicate. I am looking for steps to install the package by extracting and installing it. I don't want to use get-offline neither keryx nor to use some other online ubuntu systems. I am very much clear.. I have the downloaded package and I am looking forward for the steps to install the package with out accessing internet. Thanks!

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  • Can't Dual Boot Ubuntu 12.04 and Windows 7 on Sony Vaio S 15 (2012)

    - by Nathaniel
    I just bought my dad a new laptop for fathers day, a Sony Vaio S 15 (the latest models from Sony) and he wants to dual boot Ubuntu and Windows 7. I put Ubuntu 12.04 on a USB drive and went to install it on the computer, but when I got into the partition part of the install there was no option to dual boot. Only to delete everything and install Ubuntu or 'other'. I installed using the 'other' feature by manually partitioning, however once I installed it the computer wouldn't ever go to grub. From inside windows I used Easy BCD to try and fix the boot loader so it would give the option to boot into Windows 7 or Ubuntu 12.04, but it couldn't detect ANY operating systems on the computer (not even windows). Is it not possible to dual boot on the latest Sony Vaios, or is there a workaround for this?

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  • Software installed on root partition or on home partition

    - by Tim
    I am planning to install some big softwares such as Matlab (4GB), Mathematica (4GB) on my Ubuntu partitions. I was wondering if I installed them on my home partition, when I reinstall Ubuntu without touching the home partition, will the softwares still be runnable after reinstallation? what are the advantage and disadvantages of installing softwares on root partition and of on home partition? with your answer to the previous questions, what are some reasonable plans for the sizes of root partition and of home partition? Note that I would like to learn programming in C, C++, Java, Python, Lisp, databases under both Ubuntu and Windows, and no games. My laptop has around 230 GB, where I plan to install both Windows and Ubuntu, and reserve 40 GB for Ubuntu (three partitions: swap, root and home), 110 GB for NTFS partition shared between the two OSes, 70 GB for Windows OS partition, and 10 GB that can be added to any of the above partitions. I will change my plan according to your suggestions. Thanks and regards!

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  • Free eBooks from Microsoft&ndash;We like free!

    - by Jim Duffy
    In a recent blog post I mentioned the availability of the Programming Windows Phone 7 ebook by Charles Petzold. Well I have good news, there are a number of additional FREE ebooks available from Microsoft to help you continue honing your tech skills. Moving to Microsoft Visual Studio 2010 Introducing Microsoft SQL Server 2008 R2 Own Your Future: Update Your Skills with Resources and Career Ideas from Microsoft Understanding Microsoft Virtualization Solutions (Second Edition) First Look Microsoft Office 2010 Windows 7 troubleshooting tips Introducing Windows Server 2008 R2 Deploying Windows 7, Essential Guidance I, for one, appreciate Microsoft making these resources available for free. I think it demonstrates their interest making sure we as developers and I.T. professionals have the resources we need to effectively solve the business problems we encounter. Have a day.

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  • Pre-built Oracle VirtualBox Images

    - by james.bayer
    I’m thrilled to see that Justin Kestelyn has a post that pre-built Oracle VirtualBox images are now available on OTN.  There are VMs for various Oracle software stacks including one for Database, one for Java with Glassfish, and one for SOA and BPM products that includes WebLogic Server. This is just one example of the synergy of a combined Oracle and Sun delivering improvements for customers.  These VMs make it even more straight-forward to get started with Oracle software in a development environment without having to worry about initial software installation and configuration. I’ve been a bit quiet lately on the blogging front, but I’m currently working on another area leveraging the best of Oracle and Sun.  Oracle is uniquely positioned to deliver engineered systems that optimize the entire stack of software and hardware.  You’ve probably seen the announcements about Exalogic and I’m excited about the potential to deliver major advancements for middleware.  More to come…

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  • Checker AI in visual basic not working [on hold]

    - by Eugene Galkine
    I am trying to a make checkers in visual basic with ai. I am using the minimax algorithm (or at least what I understand of it) and it works, except the ai is retarded and plays like it is trying to loose and I tried to switch around the min and the max but the results are IDENTICAL. I am pissed of and have been trying to fix it for over a week now, I would really appreciate it if someone could help me out here. I have 3 years experience of programming (in Java, only about of month of VB experience) and I always am able to solve all my errors on my own so I don't know why I can't get this to work. The program is not at all optimized or anything at this point and is over 1.2K lines long, so here is the entire vb project instead: https://www.dropbox.com/sh/evii0jendn93ir2/9fntwH2dNW I would really appreciate any help I could get.

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  • Changing from Frontend Development to .Net

    - by Ivo
    On of my colleagues is going to change jobs from full time frontend developer(jquery, css,html) to 50% frontend 50% .Net (MVC 3 with razor) What are good techniques to get him up to speed asap. I have the following idea's myself Read Clean Code Read/Pratice with the book Pro ASP.NET MVC 3 Framework Watch Asp.net video's http://www.asp.net/mvc/videos Do the nerd dinner intro http://www.asp.net/mvc/videos Start building the json services from jQuery 0.5/1 day of pair programming with an experienced .Net developer each week Is this a good way to go? Is it totally wrong? Any other tips

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  • Webcast: Get More Sales Ready Leads for Less Cost with Oracle CRM On Demand Marketing

    - by ruth.donohue
    Successful marketing starts with knowing your audience: who they are, what they're buying, and how they like to be contacted. With customer data scattered across multiple systems, getting the answers to these questions can be difficult. Join our live Webcast to see a demonstration of how Oracle CRM On Demand Marketing increases marketing ROI by delivering the right messages to the right targets for the greatest response. Tuesday, March 15, 2011 11:00 a.m. PT / 2:00 p.m. ET Register Now! Technorati Tags: oracle crm,oracle crm on demand,integrated sales and marketing,cloud,saas

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  • Verizon Business Delivers New Sales and Support Tools

    - by michael.seback
    Verizon Business Delivers New Sales and Support Tools and Improves System Performance by 35% Verizon Business, a unit of Verizon Communications, is a global leader in communications and IT solutions. With one of the world's most connected internet protocol networks, Verizon Business delivers communications, IT, security, and network solutions to many of the largest businesses and governments. ..."Our work with Accenture to upgrade our Oracle systems has improved system performance significantly. In a recent survey, 84% of users said performance was 'faster' or 'much faster.' Plus, our sales and support staff have new tools to improve productivity and customer service, which ultimately drives customer retention and revenue." - Rob Moore, Director Verizon Business ...Read more.

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  • Books, resources and so on about GUI architecture [on hold]

    - by Moses
    I'm making first steps in GUI programming. Earlier I've had little experience with GUI and I remember that it was kind of pain. Code was either coupled or to verbose with tons of "Listeners". It seems to me that problem in me and not in a library that I used(Swing). So, could you recommend me some books, tutorials or resources where I can find how to design gui programms? Emphasize that I'm interested in architecture and not in how to use components of some framework(which about 90% of tutorials that I've ever seen).

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  • Should I start learning WPF?

    - by questron
    Hi, I've been studying C# for about 2 months so far, I have a few years experience programming however in VBA and VB6, but nothing too in depth (I've written simple tools, but nothing too advanced). I am very interested in WPF and I was wondering whether it would be too early for me to start learning how to use it? For reference, I am about 400 pages into 'Head First C#' and I've written a program that can quickly tag image files for moving into a predefined folder or to delete (Allows the user to pull images off of a camera memory card and sort VERY quickly). That's the most advanced app I've written.

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  • Preventing RSI (Repetitive Strain Injuries)

    - by nightcracker
    I am 16 years old and I love to program and playing the piano. It's not uncommon that I'm bashing away on my mouse and keyboard all day long. I do not feel any pains doing so. Yet I am still worried, because I often hear from people that they can never type for longer then 10 minutes again without getting severe pains. Given my two hobbies, programming and playing the piano that worries me a lot. My current situation is this: G15 keyboard and G5 mouse A chair that looks like this (the back of the chair is surprisingly supportive): http://www.ikea.com/nl/nl/images/products/torbjorn-bureaustoel__0084333_PE210956_S4.JPG In my "normal sitting position" the table is around the height of my bellybutton. A LG Flatron L194wt screen (too small IMO, getting a new one soon) Should I be worrying about RSI/similar health issues? If yes, what can/should I do about it?

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  • Develop secureness first or as a later step?

    - by MattyD
    The question Do you actively think about security when coding? asks about security mindset while programming. Obviously, a developer does need to think about security while coding — SQL injection, password security, etc. However, as far as the real, fully-formed security, especially the tricky problems that may not be immediately obvious, should I be concerned with tackling these throughout the development process, or should it be a step of its own in later development? I was listening to a podcast on Security Now and they mentioned about how a lot of the of the security problems found in Flash were because when Flash was first developed it wasn't built with security in mind (because it didn't need to) — therefore Flash has major security flaws at its core. I know that no one would want to actively disagree with "think security first" as a best practice, but many companies do not follow best practices. So, what is the correct approach to balance between needing to get the product done and developing it securely?

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  • Is Java free/open source or it isn't?

    - by user1598390
    On November 13, 2006, Sun released much of Java as free and open source software, (FOSS), under the terms of the GNU General Public License (GPL). On May 8, 2007, Sun finished the process, making all of Java's core code available under free software/open-source distribution terms, aside from a small portion of code to which Sun did not hold the copyright. OpenJDK (Open Java Development Kit) is a free and open source implementation of the Java programming language. It is the result of an effort Sun Microsystems began in 2006. The implementation is licensed under the GNU General Public License (GNU GPL) with a linking exception. Why there are still people that say Java is not open source or free as in free speech ? Am I missing something? Is Java still privative ?

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  • Are there well-known PowerShell coding conventions?

    - by Tahir Hassan
    Are there any well-defined conventions when programming in PowerShell? For example, in scripts which are to be maintained long-term, do we need to: Use the real cmdlet name or alias? Specify the cmdlet parameter name in full or only partially (dir -Recurse versus dir -r) When specifying string arguments for cmdlets do you enclose them in quotes (New-Object 'System.Int32' versus New-Object System.Int32 When writing functions and filters do you specify the types of parameters? Do you write cmdlets in the (official) correct case? For keywords like BEGIN...PROCESS...END do you write them in uppercase only? It seems that MSDN lack coding conventions document for PowerShell, while such document exist for example for C#.

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  • Is it typical for a provider of a web services to also provide client libraries?

    - by HDave
    My company is building a corporate Java web-app and we are leaning towards using GWT-RPC as the client-server protocol for performance reasons. However, in the future, we will need to provide an API for other enterprise systems to access our data as well. For this, we were thinking of a SOAP based web service. In my experience it is common for commercial providers of enterprise web applications to provide client libraries (Java, .NET, C#, etc.). Is this generally the case? I ask because if so, then why bother using SOAP or REST or any standard web services protocol at all? Why not just create a client libraries that communicate via GWT-RPC?

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  • How would I get work as a PHP, MySQL Developer?

    - by Matthew
    I've been working with PHP and MySQL to create various projects that I've been interested in, I can design the user interface, and the back end programming. I've created simple social networking sites, book marking sites, and project management software. So what steps would I take to get a job? Is there a market for PHP, MySQL web developers? Is it possible to take instructions and work from home for someone? How would I accept payment? Should I start a company? or work for someone? I am currently based in South Africa, many of the companies are lacking the innovation that I'm seeking for in a company.

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  • Resources for popular domain models

    - by Songo
    I have come across many situations where I had to build a system for a library or a clinic or other popular domains. The thing is a domain model for a library was probably done 1000 times already with different level of details of course. Here is an example. Is there a popular website or community where one can find ready made domain models for popular systems? The whole purpose I'm trying to achieve is to quickly get a grasp of the domain I'm modeling and customize it to my needs. Re-inventing the wheel seems really absurd when the same system might have been modeled properly previously. Note I know Google might sound like the perfect source, but there is a repository out there that people can post there models, so that others can share them.

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  • Easing the Journey to the Private Cloud with Oracle Consulting

    - by MichaelM-Oracle
    By Sanjai Marimadaiah, Senior Director, Strategy & Business Development – Cloud Solutions, Oracle Consulting Services Business leaders are now leading the charge on how their firms can profit from cloud solutions. Agility and innovation are becoming the primary drivers of the business case for the cloud, even more than the anticipated cost savings. Leaders need to find the right strategy and optimize the use of cloud-based applications across their enterprise-computing infrastructure. The Problem – Current State With prevalent IT practices, many organizations find that they run multiple IT solutions serving similar business needs. This has led to the proliferation of technology stacks, for example: Oracle 10g on Sun T4 running Solaris 9; Oracle 11g on Exadata running Linux; or Oracle 12c on commodity x86 servers. This variance has a huge impact on an organization’s agility and expenses, and requires IT professionals with varied skills as well as on-going training for different systems and tools. Fortunately there is a practical business strategy to overcome this unneeded redundancy. Thus begins a journey to the right cloud computing solution. The Solution – Cloud Services from Oracle Consulting Services (OCS) Oracle Consulting Services (OCS ) works closely with our clients as trusted advisors to proactively respond to business needs and IT concerns. OCS understands that making the transition to cloud solutions begins with a strategic conversation, based on its deep expertise for successfully completing private cloud service engagements with several companies. For a journey to the cloud, Oracle Consulting Services leads the client through four phases– standardization, consolidation, service delivery, and enterprise cloud – to achieve optimal returns. Phase 1 - Standardization Oracle Consulting Services (OCS) works with clients to evaluate their business requirements and propose a set of standard solutions stacks for various IT solutions. This is an opportune time to evaluate cloud ready solutions, such as Oracle 12c, Oracle Exadata, and the Oracle Database Appliance (ODA). The OCS consultants, together with the delivery team, then turn to upgrading and migrating existing solution stacks to standardized offerings. OCS has the expertise and tools to complete this stage in a fraction of the time required by other IT services companies. Clients quickly realize cost savings in tools, processes, and type/number of resources required. This standardization also improves agility of the IT organizations and their abilities to respond to the needs of various business units. Phase 2 - Consolidation During the consolidation phase, OCS consultants programmatically consolidate hundreds of databases into a smaller number of servers to improve utilization, reduce floor space, and optimize maintenance costs. Consolidation helps clients realize huge savings in CapEx investments and shrink OpEx costs. The use of engineered systems, such as Oracle Exadata, greatly reduces the client’s risk of moving to a new solution stack. OCS recommends clients to pursue Phase 1 (Standardization) and Phase 2 (Consolidation) simultaneously to reduce the overall time, effort, and expense of the cloud journey. Phase 3 - Service Delivery Once a client is on a path of standardization and consolidation, OCS consultants create Service Catalogues based on the SLAs requirements and the criticality of the solutions. The number and types of Service Catalogues (Platinum, Gold, Silver, Bronze, etc.) vary from client to client. OCS consultants also implement a variety of value-added cloud solutions, including monitoring, metering, and charge-back solutions. At this stage, clients are able to achieve a high level of understanding in their cloud journey. Their IT organizations are operating efficiently and are more agile in responding to the needs of business units. Phase 4 - Enterprise Cloud In the final phase of the cloud journey, the economics of the IT organizations change. Business units can request services on-demand; applications can be deployed and consumed on a pay-as-you-go model. OCS has the expertise and capabilities to establish processes, programs, and solutions required for IT organizations to transform how they interact with business units. The Promise of Cloud Solutions Depending the size and complexity of their business model, some clients are able to abbreviate some phases of their cloud journey. Cloud solutions are still evolving and there is rapid pace of innovation to transform how IT organizations operate. The lesson is clear. Cloud solutions hold a lot of promise for business agility. Business leaders can now leverage an additional set of capabilities and services. They can ramp up their pace of innovation. With cloud maturity, they can compete more effectively in their respective markets. But there are certainly challenges ahead. A skilled consulting services partner can play a pivotal role as a trusted advisor in the successful adoption of cloud solutions. Oracle Consulting Services has expertise and a portfolio of services to help clients succeed on their journey to the cloud.

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