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  • Website Designing: Right Moves, Right Results

    Creating a website is like nurturing a plant, where the process begins with choosing the right sapling or seed and ends with sowing ? the productive phase begins afterwards. Likewise, website designi... [Author: David Jackson - Web Design and Development - August 31, 2009]

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  • Week in Geek: Microsoft has Bought Underlying Patents for Netscape Browser

    - by Asian Angel
    Our latest edition of WIG is filled with news link goodness covering topics such as ChromeOS has received a new desktop-style look, a roundup of tools to remove Flashback malware on Macs, Kubuntu has a new official sponsor, and more. Wedding clipart courtesy of CartoonClipArtWorld. How to Stress Test the Hard Drives in Your PC or Server How To Customize Your Android Lock Screen with WidgetLocker The Best Free Portable Apps for Your Flash Drive Toolkit

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  • Content Management System ? Overview

    On several occasion a client would like to be able to modify the pages and add their content. This need may arise due to change in profile of the services offered or additional services. This may eve... [Author: Alan Smith - Web Design and Development - June 04, 2010]

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  • Godaddy one page hosting

    - by liv a
    Disclaimer: not sure this is the right place for this kind of question, sorry in advance, just point me to the right place and I'll move it. In godaddy when paying only for domain, without hosting, they state you can get one page hosting for free but that option only opens their web-builder. I want to create a nicely design landing page, where the content is static.Is there a way to make my domain point to a wordpress one page or self created html one page/ landing page?

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  • What simple game is good to learn OO principles?

    - by Bogdan Gavril
    I have to come up with a project propsal for my students, here are some details: The design should be gove over OO concepts: encapsulation, interfaces, inheritance, abstract classes Idealy a game, to keep interest high No GUI, just the console Effective time to finish this: ~ 6 days (1 person per proj) I have found one nice example of a game with carnivore and herbivore cells in a drop of water (array), it's a game of life twist. It is a bit too simple. Any ideeas? Aditional info: - language is C#

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  • On the Internet Content is King!

    People don't just visit sites with great graphics and wonderful design, they go for the information they learn from that website. Having high quality content will not just attract visitors, it will also attract search engines and improve your rankings in the search engines.

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  • Is a coding standard even needed any more?

    - by SomeKittens
    I know that it's been proven that a coding standard helps enormously. However, there are many different tools and IDEs that will format to whatever standard the programmer prefers. So long as the code's neat/commented (and not a spaghetti mess), I don't see the need for a coding standard. Are there any arguments for the development of a coding standard (we don't have one, but I was looking into creating one)?

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  • Oracle University Nouveaux cours (Week 14)

    - by swalker
    Parmi les nouveautés d’Oracle Université de ce mois-ci, vous trouverez : Database Oracle Data Modeling and Relational Database Design (4 days) Fusion Middleware Oracle Directory Services 11g: Administration (5 days) Oracle Unified Directory 11g: Services Deployment Essentials (2 days) Oracle GoldenGate 11g Management Pack: Overview (1 day) Business Intelligence & Datawarehousing Oracle Database 11g: Data Mining Techniques (2 days) Oracle Solaris Oracle Solaris 10 System Administration for HP-UX Administrators (5 days) E-Business Suite R12.x Oracle Time and Labor Fundamentals Contacter l’ équipe locale d’ Oracle University pour toute information et dates de cours. Restez connecté à Oracle University : LinkedIn OracleMix Twitter Facebook Google+

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  • XNA Notes 001

    - by George Clingerman
    Just a quick recap of things I noticed going on in or around the XNA community this past week. I’m sure there’s a lot I missed (it’s a pretty big community with lots of different parts to it) but these where the things I caught that I thought were pretty cool. The XNA Team Michael Klucher gave a list of books every gamer should read. http://twitter.com/#!/mklucher/status/22313041135673344 Shawn Hargreaves posted Nelxon Studio posting about a cheatsheet for converting 3.1 to 4.0 http://blogs.msdn.com/b/shawnhar/archive/2011/01/04/xna-3-1-to-4-0-cheat-sheet.aspx?utm_source=twitterfeed&utm_medium=twitter XNA Game Studio won the Frontline award for Programming Tool by GameDev magazine! Congrats to the XNA team! http://www.gdmag.com/homepage.htm XNA MVPs In January several MVPs were up for re-election, Jim Perry, Andy ‘The ZMan’ Dunn, Glenn Wilson and myself were all re-award a Microsoft MVP award for their contributions to the XNA/DirectX communities. https://mvp.support.microsoft.com/communities/mvp.aspx?product=1&competency=XNA%2fDirectX A movement to get Michael McLaughlin an MVP award has started and you can join in too! http://twitter.com/#!/theBigDaddio/status/22744458621620224 http://www.xnadevelopment.com/MVP/MichaelMcLaughlinMVP.txt Don’t forget you can nominate ANYONE for a MVP award, that’s how they work. https://mvp.support.microsoft.com/gp/mvpbecoming  XNA Developers James Silva of Ska Studios hit 9,200 sales of ZP2KX and recommends you listen to Infected Mushroom. http://twitter.com/#!/Jamezila/status/22538865357094912 http://en.wikipedia.org/wiki/Infected_Mushroom Noogy creator of the upcoming XBLA title Dust an Elysian tail posts some details into his art creation. http://noogy.com/image/statue/statue.html Xbox LIVE Indie Game News Microsoft posts acknowledging there was an issue with the sales data that has been addressed and apologized for not posting about it sooner. http://forums.create.msdn.com/forums/p/71347/436154.aspx#436154 Winter Uprising sales still chugging along and being updated by Xalterax (by those developers willing to actually share sales numbers. Thanks for sharing guys, much appreciated!) http://forums.create.msdn.com/forums/t/70147.aspx Don’t forget about Dream Build Play coming up in February! http://www.dreambuildplay.com/Main/Home.aspx The Best Xbox LIVE Indie Games December Edition comes out on NeoGaf http://www.neogaf.com/forum/showthread.php?t=414485 The Greatest XBox LIVE Indie Games of 2010 on DealSpwn – Congrats to DrMistry and MStarGames for his #1 spot with his massive XBLIG Space Pirates From Tomorrow! http://www.dealspwn.com/xbligoty-2010/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+Dealspwn+%28Dealspwn%29 XNA Game Development The future of XACT and WP7 has finally been confirmed and we finally know what our options are for looping audio seamlessly on WP7. http://forums.create.msdn.com/forums/p/61826/436639.aspx#436639  Super Mario 3 Design Notes is an interesting read for XBLIG developers, giving some insight to the training that natural occurs for players as they start playing the game. Good things for XBLIG developers to think about. http://www.significant-bits.com/super-mario-bros-3-level-design-lessons

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  • Why no more macro languages?

    - by Muhammad Alkarouri
    In this answer to a previous question of mine about scripting languages suitability as shells, DigitalRoss identifies the difference between the macro languages and the "parsed typed" languages in terms of string treatment as the main reason that scripting languages are not suitable for shell purposes. Macro languages include nroff and m4 for example. What are the design decisions (or compromises) needed to create a macro programming language? And why are most of the mainstream languages parsed rather than macro? This very similar question (and the accepted answer) covers fairly well why the parsed typed languages, take C for example, suffer from the use of macros. I believe my question here covers different grounds: Macro languages or those working on a textual level are not wholly failures. Arguably, they include bash, Tcl and other shell languages. And they work in a specific niche such as shells as explained in my links above. Even m4 had a fairly long time of success, and some of the web template languages can be regarded as macro languages. It is quite possible that macros and parsed typing do not go well together and that is why macros "break" common languages. In the answer to the linked question, a macro like #define TWO 1+1 would have been covered by the common rules of the language rather than conflicting with those of the host language. And issues like "macros are not typed" and "code doesn't compile" are not relevant in the context of a language designed as untyped and interpreted with little concern for efficiency. The question about the design decisions needed to create a macro language pertain to a hobby project which I am currently working on on designing a new shell. Taking the previous question in context would clarify the difference between adding macros to a parsed language and my objective. I hope the clarification shows that the question linked doesn't cover this question, which is two parts: If I want to create a macro language (for a shell or a web template, for example), what limitations and compromises (and guidelines, if exist) need to be done? (Probably answerable by a link or reference) Why have no macro languages succeed in becoming mainstream except in particular niches? What makes typed languages successful in large programming, while "stringly-typed" languages succeed in shells and one-liner like environments?

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  • Ethernet connection for Internet

    - by user103173
    I have just installed the Ubuntu 11.10 and facing challenges connecting to Internet using Ethernet connection. Below is the configuration details: IP address: 172.19.40.16 Subnet mask: 255.255.255.0 Default gateway: 172.19.40.1 When I run the command ifconfig I don't find the IP address in inet addr: Even when I try to change the Network device to "Ethernet" in Network tools, the changes are not getting saved. Please help. Let me know if you want further information.

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  • Stop YouTube Videos from Automatically Playing in Chrome

    - by The Geek
    If you’ve actually used the internet before, you’ve probably come across a page with an auto-playing YouTube clip, and chances are good it was a rather annoying one. Here’s how to stop them from starting automatically in Chrome. We’ve already told you how to stop them from automatically playing if you’re a Firefox user (best answer: use Flashblock!), but now it’s time for Chrome users to get their turn. Use the Stop Autoplay for YouTube Extension The great thing about this extension is that it stops the video from playing, but it allows it to continue buffering, so when you do feel like playing the video, it’ll already be downloaded—really useful for people with slower internet connections. There’s no UI or anything fancy, just head to the extension page and click the Install button. If you want to get rid of it later, use the Tools –> Extensions menu (or you can type chrome://extensions/ into your address bar), and then click the Uninstall link for that add-on.   Download Stop Autoplay for YouTube [Google Chrome Extensions] Using FlashBlock for Chrome If you really wanted to, you could just disable Flash across the board using FlashBlock for Chrome. Once you’ve installed the extension, you won’t see any Flash elements anywhere, and you’ll have to move your mouse over them and click to enable them each time. When I installed the extension the first time, I noticed that YouTube was already in the allow list. I’m not sure if that’s the default setting or not, but you can use the icon in the address bar, or the Options from the Extensions panel to get to the settings page, and from there you can remove anything from the White List that you wouldn’t want. Another nice feature about Flash Block is that it can also block Silverlight, or you could simply uninstall or remove unnecessary Chrome plug-ins. Download FlashBlock for Chrome Similar Articles Productive Geek Tips Stop YouTube Videos from Automatically Playing in FirefoxDisable YouTube Comments while using ChromeApologies About An Awful Audio AdvertisementImprove YouTube Video Viewing in Google ChromeWatch YouTube Videos in Cinema Style in Firefox TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips DVDFab 6 Revo Uninstaller Pro Registry Mechanic 9 for Windows PC Tools Internet Security Suite 2010 Follow Finder Finds You Twitter Users To Follow Combine MP3 Files Easily QuicklyCode Provides Cheatsheets & Other Programming Stuff Download Free MP3s from Amazon Awe inspiring, inter-galactic theme (Win 7) Case Study – How to Optimize Popular Wordpress Sites

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  • Archbeat Link-O-Rama Top 10 Facebook Faves - June 16-22, 2013

    - by Bob Rhubart
    2,819 people now follow OTN ArchBeat on Facebook. These are the Top 10 most popular items shared there for the week of June 16-22, 2013. Getting started with Java EE 7: Hands-on in 10 minutes | Lucas Jellema Oracle ACE Director and prolific blogger Lucas Jellema offers his take on the Java EE7 release and shares tips and resources to help you on your way. Not ‘how’ but ‘why’ should you upgrade to JDeveloper & ADF 11.1.1.7.0 | Chris Muir Oracle ACE Director Tim Hall and Oracle ADF Product Manager Chris Muir collaborated on this dialog that just might help you in your decision. OTN Architect Day: Cloud Computing - July 9, Redwood Shores, CA You won't need 3D glasses to see the technical sessions at OTN Architect Day: Cloud Computing, July 9, 2013. Redwood Shores, CA. It's free! It's live! Register now! Video: Frédéric Desbiens: Bringing Java to On-Device iOS and Android Apps (QCon NYC 2013) Oracle Application Development Tools product manager Frédéric Desbiens recaps his QCon New York presentation about how Java developers can leverage existing skills to develop enterprise mobile applications. OEPE 12.1.1.2.2 with GlassFish Tools released | Peter Benedikovic Peter Benedikovic's brief post offers an overview of some of the features in the new version of Oracle Enterprise Pack for Eclipse, released in conjunction with the release of Java EE 7. Oracle Enterprise Manager 12c Configuration Best Practices (Part 2 of 3) | Bethany Lapaglia Part 2 of Beth Lapaglia's 3-part series on the most commonly implemented configuration changes to improve performance and operation of a large Enterprise Manager 12c environment focuses on recommended WebLogic Server changes. Video: Doug Clarke: Polyglot Persistence: From NoSQL to HTML5 (QCon NYC 2013) Doug Clarke, EclipseLink Project Lead and Oracle Director of Product Management gives a very condensed version of his QCon New York presentation on "Polyglot Persistence: From NoSQL to HTML5." Podcast Show Notes: DevOps, Cloud, and Role Creep - Part 2 Automation and innovation had a huge impact on the manufacturing jobs of years gone by. Is something similar happening to some IT jobs? Oracle ACE Directors Ron Batra, Basheer Khan, and Cary Millsap discuss what's happening in part 2 of this 3-part podcast. Video: Reza Rahman: Building Java HTML5/WebSocket Applications with JSR 356 (QCon NYC 2013) Java EE/GlassFish evangelist Reza Rahman talks about how WebSocket provides "the basis for a new generation of interactive and live Web applications" for mobile developers. Lessons from Fusion HCM Implementations | Tim Warner Oracle ACE Tim Warner shares summaries of the Fusion HCM implementation experiences of several companies, as detailed in presentations at the 2013 Oracle HCM Users Group Conference. Thought for the Day "If the mind really is the finest computer, then there are a lot of people out there who need to be rebooted." — Tim Bryce Source: softwarequotes.com

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  • Informed TDD &ndash; Kata &ldquo;To Roman Numerals&rdquo;

    - by Ralf Westphal
    Originally posted on: http://geekswithblogs.net/theArchitectsNapkin/archive/2014/05/28/informed-tdd-ndash-kata-ldquoto-roman-numeralsrdquo.aspxIn a comment on my article on what I call Informed TDD (ITDD) reader gustav asked how this approach would apply to the kata “To Roman Numerals”. And whether ITDD wasn´t a violation of TDD´s principle of leaving out “advanced topics like mocks”. I like to respond with this article to his questions. There´s more to say than fits into a commentary. Mocks and TDD I don´t see in how far TDD is avoiding or opposed to mocks. TDD and mocks are orthogonal. TDD is about pocess, mocks are about structure and costs. Maybe by moving forward in tiny red+green+refactor steps less need arises for mocks. But then… if the functionality you need to implement requires “expensive” resource access you can´t avoid using mocks. Because you don´t want to constantly run all your tests against the real resource. True, in ITDD mocks seem to be in almost inflationary use. That´s not what you usually see in TDD demonstrations. However, there´s a reason for that as I tried to explain. I don´t use mocks as proxies for “expensive” resource. Rather they are stand-ins for functionality not yet implemented. They allow me to get a test green on a high level of abstraction. That way I can move forward in a top-down fashion. But if you think of mocks as “advanced” or if you don´t want to use a tool like JustMock, then you don´t need to use mocks. You just need to stand the sight of red tests for a little longer ;-) Let me show you what I mean by that by doing a kata. ITDD for “To Roman Numerals” gustav asked for the kata “To Roman Numerals”. I won´t explain the requirements again. You can find descriptions and TDD demonstrations all over the internet, like this one from Corey Haines. Now here is, how I would do this kata differently. 1. Analyse A demonstration of TDD should never skip the analysis phase. It should be made explicit. The requirements should be formalized and acceptance test cases should be compiled. “Formalization” in this case to me means describing the API of the required functionality. “[D]esign a program to work with Roman numerals” like written in this “requirement document” is not enough to start software development. Coding should only begin, if the interface between the “system under development” and its context is clear. If this interface is not readily recognizable from the requirements, it has to be developed first. Exploration of interface alternatives might be in order. It might be necessary to show several interface mock-ups to the customer – even if that´s you fellow developer. Designing the interface is a task of it´s own. It should not be mixed with implementing the required functionality behind the interface. Unfortunately, though, this happens quite often in TDD demonstrations. TDD is used to explore the API and implement it at the same time. To me that´s a violation of the Single Responsibility Principle (SRP) which not only should hold for software functional units but also for tasks or activities. In the case of this kata the API fortunately is obvious. Just one function is needed: string ToRoman(int arabic). And it lives in a class ArabicRomanConversions. Now what about acceptance test cases? There are hardly any stated in the kata descriptions. Roman numerals are explained, but no specific test cases from the point of view of a customer. So I just “invent” some acceptance test cases by picking roman numerals from a wikipedia article. They are supposed to be just “typical examples” without special meaning. Given the acceptance test cases I then try to develop an understanding of the problem domain. I´ll spare you that. The domain is trivial and is explain in almost all kata descriptions. How roman numerals are built is not difficult to understand. What´s more difficult, though, might be to find an efficient solution to convert into them automatically. 2. Solve The usual TDD demonstration skips a solution finding phase. Like the interface exploration it´s mixed in with the implementation. But I don´t think this is how it should be done. I even think this is not how it really works for the people demonstrating TDD. They´re simplifying their true software development process because they want to show a streamlined TDD process. I doubt this is helping anybody. Before you code you better have a plan what to code. This does not mean you have to do “Big Design Up-Front”. It just means: Have a clear picture of the logical solution in your head before you start to build a physical solution (code). Evidently such a solution can only be as good as your understanding of the problem. If that´s limited your solution will be limited, too. Fortunately, in the case of this kata your understanding does not need to be limited. Thus the logical solution does not need to be limited or preliminary or tentative. That does not mean you need to know every line of code in advance. It just means you know the rough structure of your implementation beforehand. Because it should mirror the process described by the logical or conceptual solution. Here´s my solution approach: The arabic “encoding” of numbers represents them as an ordered set of powers of 10. Each digit is a factor to multiply a power of ten with. The “encoding” 123 is the short form for a set like this: {1*10^2, 2*10^1, 3*10^0}. And the number is the sum of the set members. The roman “encoding” is different. There is no base (like 10 for arabic numbers), there are just digits of different value, and they have to be written in descending order. The “encoding” XVI is short for [10, 5, 1]. And the number is still the sum of the members of this list. The roman “encoding” thus is simpler than the arabic. Each “digit” can be taken at face value. No multiplication with a base required. But what about IV which looks like a contradiction to the above rule? It is not – if you accept roman “digits” not to be limited to be single characters only. Usually I, V, X, L, C, D, M are viewed as “digits”, and IV, IX etc. are viewed as nuisances preventing a simple solution. All looks different, though, once IV, IX etc. are taken as “digits”. Then MCMLIV is just a sum: M+CM+L+IV which is 1000+900+50+4. Whereas before it would have been understood as M-C+M+L-I+V – which is more difficult because here some “digits” get subtracted. Here´s the list of roman “digits” with their values: {1, I}, {4, IV}, {5, V}, {9, IX}, {10, X}, {40, XL}, {50, L}, {90, XC}, {100, C}, {400, CD}, {500, D}, {900, CM}, {1000, M} Since I take IV, IX etc. as “digits” translating an arabic number becomes trivial. I just need to find the values of the roman “digits” making up the number, e.g. 1954 is made up of 1000, 900, 50, and 4. I call those “digits” factors. If I move from the highest factor (M=1000) to the lowest (I=1) then translation is a two phase process: Find all the factors Translate the factors found Compile the roman representation Translation is just a look-up. Finding, though, needs some calculation: Find the highest remaining factor fitting in the value Remember and subtract it from the value Repeat with remaining value and remaining factors Please note: This is just an algorithm. It´s not code, even though it might be close. Being so close to code in my solution approach is due to the triviality of the problem. In more realistic examples the conceptual solution would be on a higher level of abstraction. With this solution in hand I finally can do what TDD advocates: find and prioritize test cases. As I can see from the small process description above, there are two aspects to test: Test the translation Test the compilation Test finding the factors Testing the translation primarily means to check if the map of factors and digits is comprehensive. That´s simple, even though it might be tedious. Testing the compilation is trivial. Testing factor finding, though, is a tad more complicated. I can think of several steps: First check, if an arabic number equal to a factor is processed correctly (e.g. 1000=M). Then check if an arabic number consisting of two consecutive factors (e.g. 1900=[M,CM]) is processed correctly. Then check, if a number consisting of the same factor twice is processed correctly (e.g. 2000=[M,M]). Finally check, if an arabic number consisting of non-consecutive factors (e.g. 1400=[M,CD]) is processed correctly. I feel I can start an implementation now. If something becomes more complicated than expected I can slow down and repeat this process. 3. Implement First I write a test for the acceptance test cases. It´s red because there´s no implementation even of the API. That´s in conformance with “TDD lore”, I´d say: Next I implement the API: The acceptance test now is formally correct, but still red of course. This will not change even now that I zoom in. Because my goal is not to most quickly satisfy these tests, but to implement my solution in a stepwise manner. That I do by “faking” it: I just “assume” three functions to represent the transformation process of my solution: My hypothesis is that those three functions in conjunction produce correct results on the API-level. I just have to implement them correctly. That´s what I´m trying now – one by one. I start with a simple “detail function”: Translate(). And I start with all the test cases in the obvious equivalence partition: As you can see I dare to test a private method. Yes. That´s a white box test. But as you´ll see it won´t make my tests brittle. It serves a purpose right here and now: it lets me focus on getting one aspect of my solution right. Here´s the implementation to satisfy the test: It´s as simple as possible. Right how TDD wants me to do it: KISS. Now for the second equivalence partition: translating multiple factors. (It´a pattern: if you need to do something repeatedly separate the tests for doing it once and doing it multiple times.) In this partition I just need a single test case, I guess. Stepping up from a single translation to multiple translations is no rocket science: Usually I would have implemented the final code right away. Splitting it in two steps is just for “educational purposes” here. How small your implementation steps are is a matter of your programming competency. Some “see” the final code right away before their mental eye – others need to work their way towards it. Having two tests I find more important. Now for the next low hanging fruit: compilation. It´s even simpler than translation. A single test is enough, I guess. And normally I would not even have bothered to write that one, because the implementation is so simple. I don´t need to test .NET framework functionality. But again: if it serves the educational purpose… Finally the most complicated part of the solution: finding the factors. There are several equivalence partitions. But still I decide to write just a single test, since the structure of the test data is the same for all partitions: Again, I´m faking the implementation first: I focus on just the first test case. No looping yet. Faking lets me stay on a high level of abstraction. I can write down the implementation of the solution without bothering myself with details of how to actually accomplish the feat. That´s left for a drill down with a test of the fake function: There are two main equivalence partitions, I guess: either the first factor is appropriate or some next. The implementation seems easy. Both test cases are green. (Of course this only works on the premise that there´s always a matching factor. Which is the case since the smallest factor is 1.) And the first of the equivalence partitions on the higher level also is satisfied: Great, I can move on. Now for more than a single factor: Interestingly not just one test becomes green now, but all of them. Great! You might say, then I must have done not the simplest thing possible. And I would reply: I don´t care. I did the most obvious thing. But I also find this loop very simple. Even simpler than a recursion of which I had thought briefly during the problem solving phase. And by the way: Also the acceptance tests went green: Mission accomplished. At least functionality wise. Now I´ve to tidy up things a bit. TDD calls for refactoring. Not uch refactoring is needed, because I wrote the code in top-down fashion. I faked it until I made it. I endured red tests on higher levels while lower levels weren´t perfected yet. But this way I saved myself from refactoring tediousness. At the end, though, some refactoring is required. But maybe in a different way than you would expect. That´s why I rather call it “cleanup”. First I remove duplication. There are two places where factors are defined: in Translate() and in Find_factors(). So I factor the map out into a class constant. Which leads to a small conversion in Find_factors(): And now for the big cleanup: I remove all tests of private methods. They are scaffolding tests to me. They only have temporary value. They are brittle. Only acceptance tests need to remain. However, I carry over the single “digit” tests from Translate() to the acceptance test. I find them valuable to keep, since the other acceptance tests only exercise a subset of all roman “digits”. This then is my final test class: And this is the final production code: Test coverage as reported by NCrunch is 100%: Reflexion Is this the smallest possible code base for this kata? Sure not. You´ll find more concise solutions on the internet. But LOC are of relatively little concern – as long as I can understand the code quickly. So called “elegant” code, however, often is not easy to understand. The same goes for KISS code – especially if left unrefactored, as it is often the case. That´s why I progressed from requirements to final code the way I did. I first understood and solved the problem on a conceptual level. Then I implemented it top down according to my design. I also could have implemented it bottom-up, since I knew some bottom of the solution. That´s the leaves of the functional decomposition tree. Where things became fuzzy, since the design did not cover any more details as with Find_factors(), I repeated the process in the small, so to speak: fake some top level, endure red high level tests, while first solving a simpler problem. Using scaffolding tests (to be thrown away at the end) brought two advantages: Encapsulation of the implementation details was not compromised. Naturally private methods could stay private. I did not need to make them internal or public just to be able to test them. I was able to write focused tests for small aspects of the solution. No need to test everything through the solution root, the API. The bottom line thus for me is: Informed TDD produces cleaner code in a systematic way. It conforms to core principles of programming: Single Responsibility Principle and/or Separation of Concerns. Distinct roles in development – being a researcher, being an engineer, being a craftsman – are represented as different phases. First find what, what there is. Then devise a solution. Then code the solution, manifest the solution in code. Writing tests first is a good practice. But it should not be taken dogmatic. And above all it should not be overloaded with purposes. And finally: moving from top to bottom through a design produces refactored code right away. Clean code thus almost is inevitable – and not left to a refactoring step at the end which is skipped often for different reasons.   PS: Yes, I have done this kata several times. But that has only an impact on the time needed for phases 1 and 2. I won´t skip them because of that. And there are no shortcuts during implementation because of that.

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  • SQL Server 2008 Designer Behavior Change: Saving Changes Not Permitted

    - by SAMIR BHOGAYTA
    Warning Message: Saving changes is not permitted. The changes you have made require the following tables to be dropped and re-created. You have either made changes to a table that can't be re-created or enabled the option Prevent saving changes that require the table to be re-created. This is by design and can be quickly fixed in Management Studio by unchecking a property. To fix this in Management Studio, go to Tools - Options then go to the Designer Page and uncheck "Prevent saving changes that require table re-creation"

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  • Google not indexing new forum

    - by Tom Gullen
    We installed a new forum a few months ago now. The URL is: https://www.scirra.com/forum I've 301'd the old topics/threads, as well as included all the new URLs in the sitemap. Yet they still are not appearing. Webmaster tools is showing: 139,512 URLs submitted 50,544 URLs indexed And has been stuck there for quite some time. A massive drop in indexed pages since we updated the forum as well: Any help much appreciated

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  • Outsourcing Web Development ? Benefits and Risks

    Outsourcing of web development is a trend that has caught up in recent times. Originally people were skeptical in sending work abroad, but now-a-days it is a modern day boon. It can be a huge cost sa... [Author: Dawn Lee - Web Design and Development - April 10, 2010]

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  • Career Advice: finding challenging work in software and web development

    - by dianovich
    Having left my physics degree early, I started out in the realm of web design / front end web development and was able to get work quite quickly. I moved on to spend a chunk of my time on servers and gained experience with frameworks like Wordpress and Drupal, then the likes of Codeigniter and CakePHP and became comfortable in Debian-based and RHEL/CentOS environments. I ventured in to iOS development and published a couple of native apps to the app store too! I have started to spend a good deal of my time writing Python and have invested a little time in Django. The problem is, I still spend a fair chunk of my time doing more front end web development (writing markup and CSS for site themes, design-lead JavaScript, small applications for which application architecture and software engineering are relatively unimportant or too time consuming to invest in) in my job. What I want to do is really exercise the systematic/logical portion of my brain and tackle challenging problems on a daily basis. I want to have to care about big-oh running times, modularity in software, DRY, performance tuning and development methodologies. I want to work for a firm whose clients say: "Yes, these things are important to us and we'll pay you to get them right." But it is difficult: I have no formal training and am potentially becoming a jack of all trades. Not that being a jack of many trades is necessarily a bad thing, but the scope of work I find myself involved in is far too broad. And, there are only so many hours in a day outside of work! My question is: where do I go from here? I am starting to work on a few open source projects and have started to publish content to my blog. But this isn't likely to make it past the recruitment consultants and HR departments of many-a-firm. And I do not, for example, work in a team that practices agile methodologies, so how do I get work in such a team to gain experience? While I have been responsible for implementing version control and some solid working practices into our current environment, there is only so far I can go in this context. What would convince you that i'm worth taking a risk? What would convince you that i'll have caught up the other guys in your employ in next to no time?

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  • The Best Ways to Make Use of an Idle Computer

    - by Lori Kaufman
    If you leave your computer on when you are not using it, there are ways you can put your computer to use when it’s sitting idle. It can do scientific research, backup your data, and even look for signs of extraterrestrial life. How To Create a Customized Windows 7 Installation Disc With Integrated Updates How to Get Pro Features in Windows Home Versions with Third Party Tools HTG Explains: Is ReadyBoost Worth Using?

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  • links for 2011-02-08

    - by Bob Rhubart
    When It Comes to Data Integration, Oracle Is the Right Choice (tags: ping.fm) When It Comes to Data Integration, Oracle Is the Right Choice (tags: ping.fm) Webcast: Webcast: Deploy Oracle VM Templates for Oracle E-Business Suite and Oracle PeopleSoft Enterprise Applications. Feb 15. Event Date: 02/15/2011 9:00am PT / Noon ET. Featured Speakers: Adam Hawley (Oracle Senior Director, Product Management, Virtualization), Ivo Dujmovic (Oracle Director, Technology Integration), Greg Kelly (Oracle Product Strategy Manager - PeopleTools). (tags: oracle virtualization peoplesoft) Webcast: Managing Oracle Exadata with Oracle Enterprise Manager 11g Thursday, February 10, 2011 - 10 a.m. PT/1 p.m. ET. Ask Oracle experts questions and learn firsthand how to efficiently manage all stages of Oracle Exadata’s lifecycle, from testing to deployment. (tags: oracle exalogic enterprisemanager) Arthur Cole: Winning the Consolidated Data Center Future | ITBusinessEdge.com "According to InformationWeek, the amount of data under management is increasing by about 20 percent per year, with some organizations having to deal with 50 percent or more. That means capacity needs to double every two or three years." - Arthur Cole (tags: dataconsolidation enterprisearchitecture) Transformation of Product Management in Telecommunications for Rapid Launch of Next Generation Products (Telecommunications Architecture Corner) Raul Goycoolea's post examines "how enterprise product management enabled by PLM-based product catalogue solutions helps to launch next generation products rapidly in the context of the Telecommunication Industry." (tags: oracle otn enterprisearchitecture) Richard Veryard on Architecture: What is an EA vendor? "Even some people who insist that enterprise architecture shouldn't be thought of as merely software architecture seem to think that 'tools' only means 'software tools.'" - Richard Veryard (tags: enterprisearchitecture) MDM for Tax Authorities (Oracle Master Data Management) "Tax Authorities face a multitude of IT challenges," says David Butler. "Compounding these issues is the fact that the IT architectures in operation at most revenue and collections agencies are very complex." (tags: oracle otn MDM ITarchitecture) Bernard Golden: How Cloud Computing Changes IT Staffs | CIO.com | CIO.com "Enterprise architects become more important" tops Bernard's list of changes. (tags: cloudcomputing staffing cio enterprisearchitecture) Martijn Linssen: Social Enterprise Magic Quadrant "Revolutions usually go wrong, where evolutions usually go right." - Martijn Linssen (tags: socialcomputing enterprise2.0) Why Do IT Roles Fail? | CIO "The roles that come up most often are the ones that are not directly building or maintaining systems. These include architecture, planning, vendor management, relationship management, PMO, and security." - Marc Cecere (tags: softwarearchitecture technologyroles) We're Hiring! - Server and Desktop Virtualization Product Management (Oracle's Virtualization Blog) Adam Hawley with information on an opportunity for qualified job seekers. (tags: oracle otn employment virtualization)

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  • ArchBeat Link-o-Rama for 2012-05-31

    - by Bob Rhubart
    Eclipse DemoCamp - June 2012 - Redwood Shores, CA wiki.eclipse.org Oracle HQ 10 Twin Dolphin Dr. Redwood Shores, CA Presentations: The evolution of Java persistence, Doug Clarke, EclipseLink Project Lead, Oracle Eclipse Project Sapphire, Konstantin Komissarchik, Sapphire Project Lead, Oracle Developing Rich ADF Applications with Java EE, Greg Stachnick, Oracle Leveraging OSGi In The Enterprise, Kamal Muralidharan, Lead Engineer, eBay NVIDIA Nsight Eclipse Edition, Goodwin (Tech lead - Visual tools), Eugene Ostroukhov (Senior engineer – Visual tools)   BI Architecture Master Class for Partners - Oracle Architecture Unplugged blogs.oracle.com June 21, 2012 This workshop will be highly interactive and is aimed at Oracle OPN member partners who are IT Architects and BI+W specialists. This will be a highly interactive session and does not involve slide presentations or product feature details, it addresses IT-Architectural issues and considerations for the IT-Architect Community. 2012 Oracle Fusion Middleware Innovation Awards - Win a FREE Pass to Oracle OpenWorld 2012 in SF www.oracle.com Share your use of Oracle Fusion Middleware solutions and how they help your organization drive business innovation. You just might win a free pass to Oracle Openworld 2012 in San Francisco. Deadline for submissions in July 17, 2012. IT professionals: Very much the time to change our approach | Andy Mulholland www.capgemini.com This final post by retiring Capgemini CTO blogger Andy Mulholland is a must-read for anyone in IT. 10 Great WebCenter Sites Resources (FatWire) | John Brunswick www.johnbrunswick.com John Brunswick shares "some good resources that span the WebCenter Sites and FatWire brands, to get a consolidated list of helpful destinations for ongoing education." Cloning a WebCenter Portal Managed Server | Maiko Rocha blogs.oracle.com WebCenter and ADF A-Team blogger Maiko Rocha shows how to easily add a new managed server to a single-node domain to make it a cluster. Sorting and Filtering By Model-Based LOV Display Value | Steven Davelaar blogs.oracle.com How-to by WebCenter and ADF A-Team blogger Steven Davelaar. Designing and Developing Cross-Cutting Features | Stephen Rylander www.infoq.com Architects are often tasked with a business feature that must span systems. This article by will provide strategies to handle the change and guide your thinking about separating system boundaries and what that means for your technical design. Thought for the Day "A committee is a group of people who individually can do nothing, but who, as a group, can meet and decide that nothing can be done." — Fred Allen (5/31/1894 – 3/17/1956) Source: Brainy Quote

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  • Key Features of Ecommerce Website Development

    The whole concept of the ecommerce has become a boon to the SMB companies across the world, which enables them to have greater accessibility to the global markets at a very, very affordable cost. Mor... [Author: Sriram Manoharan - Web Design and Development - March 24, 2010]

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