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  • When NOT to use a framework

    - by Chris
    Today, one can find a framework for just about any language, to suit just about any project. Most modern frameworks are fairly robust (generally speaking), with hour upon hour of testing, peer reviewed code, and great extensibility. However, I think there is a downside to ANY framework in that programmers, as a community, may become so reliant upon their chosen frameworks that they no longer understand the underlying workings, or in the case of newer programmers, never learn the underlying workings to begin with. It is easy to become specialized to a degree that you are no longer a 'PHP programmer' (for example), but a "Drupal programmer", to the exclusion of anything else. Who cares, right? We have the framework! We don't need to know how to "do it by hand"! Right? The result of this loss of basic skills (sometimes to the extent that programmers who don't use frameworks are viewed as "outdated") is that it becomes common practice to use a framework where it is not required or appropriate. The features the framework facilitates wind up confused with what the base language is capable of. Developers start using frameworks to accomplish even the most basic of tasks, so that what once was considered a rudimentary process now involves large libraries with their own quirks, bugs, and dependencies. What was once accomplished in 20 lines is now accomplished by including a 20,000 line framework AND writing 20 lines to use the framework. Conversely, one does not want to reinvent the wheel. If I'm writing code to accomplish some basic, common little task, I might feel like I am wasting my time when I know that framework XYZ offers all the features I am after, and a whole lot more. The "whole lot more" part still has me worried, but it doesn't seem that many even consider it anymore. There has to be a good metric to determine when it is appropriate to use a framework. What do you consider the threshold to be, how do you decide when to use a framework, or, when not.

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  • A completely free and open programming language

    - by XGouchet
    With Oracle vs Google trial, it seems that Java is not entirely Open and free (as free software) as I expected. Although there exists completely free/open JVM, it's hard to know what is a copyright infringement with Java, and what is not. So I'd like to know if there is a completely Open and free language with open and free IDE (Eclipse-like) out there, Object Oriented if possible, and able to make window-based applications for the main OSs (Linux, Mac, Windows).

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  • The Hybrid Cloud: Having your Cake

    With a hybrid cloud, can you get the freedom and flexibility of a public cloud with the security and bandwidth of a private cloud? Robert Sheldon explains all the ins and outs. Free ebook "TortoiseSVN and Subversion Cookbook - Oracle Edition"Use these recipes to work better, faster, and do things you never knew you could do with SVN. If you're new to source control, this book provides a concise guide to getting the most out of Subversion. Download it for free.

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  • Use decorator and factory together to extend objects?

    - by TheClue
    I'm new to OOP and design pattern. I've a simple app that handles the generation of Tables, Columns (that belong to Table), Rows (that belong to Column) and Values (that belong to Rows). Each of these object can have a collection of Property, which is in turn defined as an enum. They are all interfaces: I used factories to get concrete instances of these products, depending on circumnstances. Now I'm facing the problem of extending these classes. Let's say I need another product called "SpecialTable" which in turn has some special properties or new methods like 'getSomethingSpecial' or an extended set of Property. The only way is to extend/specialize all my elements (ie. build a SpecialTableFactory, a SpecialTable interface and a SpecialTableImpl concrete)? What to do if, let's say, I plan to use standard methods like addRow(Column column, String name) that doesn't need to be specialized? I don't like the idea to inherit factories and interfaces, but since SpecialTable has more methods than Table i guess it cannot share the same factory. Am I wrong? Another question: if I need to define product properties at run time (a Table that is upgraded to SpecialTable at runtime), i guess i should use a decorator. Is it possible (and how) to combine both factory and decorator design? Is it better to use a State or Strategy pattern, instead?

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  • How can I print legible text in a font size <1.5?

    - by user330372
    For biological research, I need to print characters so tiny that 2 of them fit in less than 0.5 mm, which I will read under a microscope. I am currently printing from Excel at font size of 1.5, using a HP LaserJet 400M. The result is slightly larger than what I need it to be, but printing at size 1 produces unreadable results. How can I print a smaller font size but still get readable results? Are there specialized printers for that? Where could I find one?

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  • Les spécifications de Java EE 7 approuvées à l'unanimité par le JCP, IBM émet des réserves sur la modularité de la plate-forme

    Les spécifications de Java EE 7 approuvées à l'unanimité par le Java Community Process Mais IBM émet des réserves sur l'extensibilité et la modularité de la plateforme Mise à jour du 17/03/2011 par Idelways Les spécifications de la prochaine version de Java Entreprise Edition viennent d'être approuvées à l'unanimité par le Java Community Process. Douze des treize organisations impliquées dans les Java Specification Request (JSR), dont Google, la fondation Eclipse, Intel et SAP ont voté « oui sans commentaire » à la proposition d'Oracle. Seul IBM a joint des remarques à son vote positif. IBM ...

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  • why are transaction monitors on decline? or are they?

    - by mrkafk
    http://www.itjobswatch.co.uk/jobs/uk/cics.do http://www.itjobswatch.co.uk/jobs/uk/tuxedo.do Look at the demand for programmers (% of job ads that the keyword appears), first graph under the table. It seems like demand for CICS, Tuxedo has fallen from 2.5%/1% respectively to almost zero. To me, it seems bizarre: now we have more networked and internet enabled machines than ever before. And most of them are talking to some kind of database. So it would seem that use of products whose developers spent last 20-30 years working on distributing and coordinating and optimizing transactions should be on the rise. And it appears they're not. I can see a few causes but can't tell whether they are true: we forgot that concurrency and distribution are really hard, and redoing it all by ourselves, in Java, badly. Erlang killed them all. Projects nowadays have changed character, like most business software has already been built and we're all doing internet services, using stuff like Node.js, Erlang, Haskell. (I've used RabbitMQ which is written in Erlang, "but it was small specialized side project" kind of thing). BigData is the emphasis now and BigData doesn't need transactions very much (?). None of those explanations seem particularly convincing to me, which is why I'm looking for better one. Anyone?

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  • Video/Image processing on Apple iPhone4 [closed]

    - by goldenmean
    Hello, I know apple iPhone4 support H.264 and MPEG-4 as the supported video codecs, and JPEG,M-JPEG as image codecs. I was looking to get some information on Apple iPhone4 Video, Image Codec and Processing Chips/SoC parts. 1] Does anyone know, Which vendor provides the SoC's to enable this image / video compression and processing solutions in iPhone4. 2] Are the video/image codec solutions - 'Software codecs' on a specialized dsp-core/processor or hard wired as in a FPGA/ASIC solution. Any pointers would be useful. thank you. -AD.

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  • Is there a chroot build script somewhere?

    - by Nils
    I am about to develop a little script to gather information for a chroot-jail. In my case this looks (at the first glance) pretty simple: The application has a clean rpm-install and did install almost all files into a sub-directory of /opt. My idea is: Do a find of all binaries Check their library-dependencies Record the results into a list Do a rsync of that list into the chroot-target-directory before startup of the application Now I wonder - ist there any script around that already does such a job (perl/bash/python)? So far I found only specialized solutions for single applications (like sftp-chroot). Update I see three close-votes for the reason "off topic". This is a question that arose because I have to install that ancient piece of software on a server at work. So if you still feel this is off-topic - leave a comment...

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  • MySQL 5.6 : la préversion améliore la disponibilité, les performances et l'administration pour les applications Web, Cloud et embarquées

    MySQL 5.6 : la préversion améliore la disponibilité, les performances et l'administration pour les applications Web, Cloud et embarquées Mise à jour du 12/04/2012, par Hinault Romaric Une nouvelle version intermédiaire de développement (DMR) pour MySQL 5.6 vient d'être publiée par Oracle. La haute disponibilité est renforcée dans cette mouture avec de nouvelles fonctions de réplication basées sur des mécanismes d'autoréparation comme les identifiants globaux de transactions (GTID) pour le suivi de l'avancement de la réplication sur une topologie de réplication et de nouveaux utilitaires de réplication MySQL pour f...

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  • La fondation Eclipse utilise Hudson pour construire les binaires de ses projets, vers la fin de l'autre projet d'usine logicielle Jenkins ?

    Suivant le principe «Eating your own dog food» (le fait d'utiliser ses propres produits afin d'en voir les qualités et les défauts [via Wikipedia]), la fondation Eclipse utilise la version 3.0.0-RC3 d'Hudson pour son instance sandbox. [IMG]http://ftp-developpez.com/gordon-fowler/eclipse_hudson_600px.png[/IMG] La branche 3 d'Hudson désigne le développement de l'usine logicielle effectué dans le giron de la fondation Eclipse. Pour mémoire, après le conflit qui avait opposé la communauté à Oracle,

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  • Will buy simple Cocos2D bubbles iPad game for private use (source)

    - by boliva
    Hi, First of all, sorry if this is the wrong place for posting this kind of request. IDK if is there already a marketplace on the stack community. I'm a fairly experienced iPhone/iPad developer with several Apps already published. I have a deep understanding of Objective-C and the Cocoa framework, as well as with the iPhone development tools. However, I have never used Cocos2d (or any other gaming engine for that matter) as I've mostly specialized in utilities/productivity Apps. I am in the urgent need of developing a really simple iPad game (for which I will provide all of the media assets - graphics and sounds) that needs to be deployed in about a week from now. Basically the game should allow the user to pop bubbles of different size and speed as they move from the bottom to the top of the screen. While I could take the time to read the documentation and start working on this game myself, I'm currently with a couple of other projects that I need to finish soon, so I would like to ask for the help of some other more experienced Cocos2D developer which could develop this game on its basic form for me. If you think you can help, please send me your quote, timing and, if possible, samples of previous work done with Cocos2D that would be similar to what I need. I can provide more detail upon request. Best and thank you all.

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  • FreeBSD 8.2 améliore le chiffrement des données et l'intégration du système de fichiers ZFS, FreeBSD 7.4 également disponible

    FreeBSD 8.2 améliore le chiffrement des données Et l'intégration du système de fichiers ZFS, FreeBSD 7.4 également disponible Mise à jour du 28/02/11 Deux nouvelles versions du système d'exploitation UNIX libre FreeBSD viennent de sortir. La première est FreeBSD 8.2. Un e version qui apporte deux nouveautés majeures*: l'amélioration de ZFS et de nouvelles capacités de chiffrement de disques. Pour mémoire, ZFS est un système de fichiers issu de feu OpenSolaris et aujourd'hui sous l'égide de Oracle. A noter, cependant, que ce système particulièrement puissant est ...

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  • NetBeans arrête le support du module Ruby on Rails et concentre ses efforts sur l'intégration de Java SE 7

    NetBeans arrête le support du module Ruby on Rails Et concentre ses efforts sur l'intégration de Java SE 7 NetBeans 7.0, actuellement en bêta et prévu en version définitive pour avril, n'offrira plus de module pour Ruby on Rails. En cause, la faible utilisation de l'IDE d'Oracle par les développeurs Rails et la volonté de l'équipe du projet de se concentrer sur une meilleure intégration de Java 7. La décision est assez peu surprenante. Les développeurs Ruby ont généralement un penchant pour des IDE ...

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  • Mozilla va marquer Java comme dangereux dans Firefox, à la grande colère des développeurs Web

    Mozilla va marquer Java comme dangereux dans Firefox à la grande colère des développeurs WebLe plugin Java, utilisé par de nombreuses applications et sites Web sera marqué comme dangereux à partir de Firefox 24 (le changement n'aurait pas encore été appliqué au navigateur).Java a été en proie à de nombreuses failles de sécurité pendant une longue période. Bien qu'Oracle ait fourni des efforts pour rendre la plateforme plus sûre, chaque mise à jour de sécurité ouvrait la voie à la découverte d'une...

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  • Java EE 7 : les fonctionnalités Cloud reportées, à cause d'un progrès trop lent de la spécification

    Java EE 7 offrira un support étendu du PaaS La plateforme confirme son virage vers le Cloud Mise à jour du 24/06/11, par Hinault Romaric On sait déjà que le prochain Java EE 7 sera très orienté Cloud. La technologie Java pour les applications d'entreprises, dont les spécifications traitent des sujets comme la persistance, le développement et le déploiement d'applications, sera adaptée pour supporter plusieurs modèles de Cloud. Selon les déclarations d'un employé d'Oracle, le prochain JAVA EE aura des capacités permettant une prise en charge du PaaS ((Platform-as-a-service), défini comme la couche intermédiaire en...

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  • DataGraph alternatives for Windows systems

    - by ldigas
    Recently, on a friend's mac I came across a wonderful application for plotting in numerous ways numeric data - DataGraph. I've always done this sort of thing with Excel, and with newer versions, to me (this is emphasized "to me", so this doesn't get taken as an Excel rant post), it's becoming troublesome. Are there applications like this (specialized for one thing they do good and relatively simple ... I'm not interested in CFD visualization packages in here.) for Windows ? All suggestions welcomed.

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  • Data Mining: Part 14 Export DMX results with Integration Services

    In this chapter we will explain how to work with Data Mining models and the Integration Services. Specifically, we will talk about the Data Mining Query Task in SSIS. Free ebook "TortoiseSVN and Subversion Cookbook - Oracle Edition"Use these recipes to work better, faster, and do things you never knew you could do with SVN. If you're new to source control, this book provides a concise guide to getting the most out of Subversion. Download it for free.

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  • WIFI connection interfering with Windows Server 2003 Active Directory domain. (How to debug?)

    - by Vinko Vrsalovic
    RELATED: This question has led me to ask this one. I had to change our unnamed crappy ADSL router to a crappy Comtrend CT-5361 WiFi router, now every WiFi connection to the domain doesn't work correctly: Joining the domain is impossible (see related question) Logging into the domain takes ages Authentication usually fails Question: How to debug this and pinpoint the exact problem? I have no enough knowledge on either WiFi networks or on Active Directory to know which connections are made at which stages nor how to check what's happening at the wireless level to compare what should happen to what is happening. I'm looking for resources to learn what should be happening and tools to detect what is actually happening (I expect a sniffer should be enough, but if there are better, more specialized tools, that'd be great).

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  • Hardware advice for bitmap / openGL image processing server?

    - by pdizz
    I am trying to work out a build for a processing server to handle bitmap processing as well as openGL rendering for chroma-keying images and Photoshop automation. My searches here and on Google have turned up surprisingly few results, and seeing that there aren't tags for bitmap or image processing I take it this is a specialized application. The bitmap processing is very cpu-intensive while the chroma-keying and Photoshop stuff is gpu-intensive. I doubt this is a case of over-optimization as our company batches thousands of images a day (currently on individual workstations) and any saving in processing time and workstation down-time would be beneficial. Does anyone have any experience with this type of processing server? Any special considerations that would go into a build like this or am I over-thinking it?

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  • Is this a valid implementation of the repository pattern?

    - by user1578653
    I've been reading up about the repository pattern, with a view to implementing it in my own application. Almost all examples I've found on the internet use some kind of existing framework rather than showing how to implement it 'from scratch'. Here's my first thoughts of how I might implement it - I was wondering if anyone could advise me on whether this is correct? I have two tables, named CONTAINERS and BITS. Each CONTAINER can contain any number of BITs. I represent them as two classes: class Container{ private $bits; private $id; //...and a property for each column in the table... public function __construct(){ $this->bits = array(); } public function addBit($bit){ $this->bits[] = $bit; } //...getters and setters... } class Bit{ //some properties, methods etc... } Each class will have a property for each column in its respective table. I then have a couple of 'repositories' which handle things to do with saving/retrieving these objects from the database: //repository to control saving/retrieving Containers from the database class ContainerRepository{ //inject the bit repository for use later public function __construct($bitRepo){ $this->bitRepo = $bitRepo; } public function getById($id){ //talk directly to Oracle here to all column data into the object //get all the bits in the container $bits = $this->bitRepo->getByContainerId($id); foreach($bits as $bit){ $container->addBit($bit); } //return an instance of Container } public function persist($container){ //talk directly to Oracle here to save it to the database //if its ID is NULL, create a new container in database, otherwise update the existing one //use BitRepository to save each of the Bits inside the Container $bitRepo = $this->bitRepo; foreach($container->bits as $bit){ $bitRepo->persist($bit); } } } //repository to control saving/retrieving Bits from the database class BitRepository{ public function getById($id){} public function getByContainerId($containerId){} public function persist($bit){} } Therefore, the code I would use to get an instance of Container from the database would be: $bitRepo = new BitRepository(); $containerRepo = new ContainerRepository($bitRepo); $container = $containerRepo->getById($id); Or to create a new one and save to the database: $bitRepo = new BitRepository(); $containerRepo = new ContainerRepository($bitRepo); $container = new Container(); $container->setSomeProperty(1); $bit = new Bit(); $container->addBit($bit); $containerRepo->persist($container); Can someone advise me as to whether I have implemented this pattern correctly? Thanks!

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  • Mozilla va marquer les Applets Java comme dangereux dans Firefox, à la grande colère des développeurs Web

    Mozilla va marquer les Applets Java comme dangereux dans Firefox à la grande colère des développeurs WebLe plugin Java, utilisé par de nombreuses applications et sites Web sera marqué comme dangereux à partir de Firefox 24 (le changement n'aurait pas encore été appliqué au navigateur).Java a été en proie à de nombreuses failles de sécurité pendant une longue période. Bien qu'Oracle ait fourni des efforts pour rendre la plateforme plus sûre, chaque mise à jour de sécurité ouvrait la voie à la découverte...

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