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Search found 1753 results on 71 pages for 'concepts'.

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• Is there such a concept as "pseudo implementation" in software development?

  - by MachuPichu

  I'm looking for a label to describe the practice of using human-based computation methods or other means of "faking" an algorithm for the sake of getting a product or demo off the ground quickly without spending the time to develop an technical/scalable/analytical solution? Eg: using Amazon Turk to count the number of empty tables in a restaurant. I'm also looking to learn more about this subject, but not sure what to search for. Human-based computation is only one method, I'm interested in the general idea of pseudo-implementation. Any ideas, recommended reading? Thanks

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• Legal Applications of Metamorphic Code

  - by V_P

  Firstly, I would like to state that I already understand the 'vx' applications for Metamorphic code. I am not here to ask a question related to any of those topics as that would be inappropriate in this context. I would like to know if anyone has ever used 'Metamorphic' code in practice, for purposes other than those previously stated, if so, what was the reasoning for using said concept. In essence I am trying to discover a purpose for this concept, if any, other than circumventing anti-virus scanners and the like.

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• What is a byte stream actually?

  - by user2720323

  Can anyone explain me what byte stream actually contains? Does it contain bytes (hex data) or binary data or english letters only? I am also confused about the term Raw Data. If someone asked me to "reverse the 4 byte data", then what should I assume the data is hex code or binary code? Can anyone please clarify this for me. I have read so many articles and in java and c. They used to talk these words frequently but never understood them clearly.

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• What are the most important concepts to understand for "fluency in developer English"?

  - by Edward Tanguay

  In April, I'm going to be giving a talk called **English 2.0 - Understanding the Language of Developers" to a group of English teachers. The purpose is in two hours to give them a quick background in key concepts so that they can better understand developer blogs and podcasts and are able to ask better questions when talking to developers. What do you think are the most important concepts to understand, concepts that developers take for granted but the general public is not familiar with? Here are a few ideas: version control abstractions pub/sub push vs. pull debugging modularity three-tier architecture class/object "spaghetti code" vs. OOP exception throwing crowd sourcing refactoring the cloud DRY - don't repeat yourself client/server unit testing designer/developer

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• How to get an array to work with oops concepts in Perl

  - by superstar

  Hello guys, I need some help regarding the arrays in Perl This is the constructor i have. sub new { my $class = shift; my @includeobjects = (); my @excludeobjects = (); my $Packet = { _PacketName => shift, _Platform => shift, _Version => shift, @_IncludePath => @includeobjects, }; bless $Packet, $class; return $Packet; } sub SetPacketName { my ( $Packet, $PacketName ) = @_; $Packet->{_PacketName} = $PacketName if defined($PacketName); return $Packet->{_PacketName}; } sub SetIncludePath { my ( $Packet, @IncludePath ) = @_; $Packet->{@_IncludePath} = @IncludePath; return $Packet->{@_IncludePath}; } sub GetPacketName { my( $Packet ) = @_; return $Packet->{_PacketName}; } sub GetIncludePath { my( $Packet ) = @_; return $Packet->{@_IncludePath}; } The get and set methods work fine for PacketName. But since IncludePath is an array, I could not get it work. The declaration is what i am not able to get right Any suggestions please...

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• How to learn high-level Java web development concepts

  - by titaniumdecoy

  I have some experience writing web applications in Java for class projects. My first project used Servlets and my second, the Stripes framework. However, I feel that I am missing the greater picture of Java web development. I don't really understand the web.xml and context.xml files. I'm not sure what constitutes a Java EE application as opposed to a generic Java web application. I can't figure out how a bean is different from an ordinary Java class (POJO?) and how that differs from an Enterprise Java Bean (EJB). These are just the first few questions I could think of, but there are many more. What is a good way to learn how Java web applications function from the top down rather than simply how to develop an application with a specific framework? (Is there a book for this sort of thing?) Ultimately, I would like to understand Java web applications well enough to write my own framework.

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• Why are two different concepts both called "heap"?

  - by Andrey Fedorov

  Why are the runtime heap used for dynamic memory allocation in C-style languages and the data structure both called "the heap"? Is there some relation?

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• Basic concepts in file system implementation

  - by darkie15

  I am a unclear about file system implementation. Specifically (Operating Systems - Tannenbaum (Edition 3), Page 275) states "The first word of each block is used as a pointer to the next one. The rest of block is data". Can anyone please explain to me the hierarchy of the division here? Like, each disk partition contains blocks, blocks contain words, and so on...

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• Experimental IDE concepts

  - by efbenson

  I am interesting and building a new style IDE for a side project. Mainly to do away with the normal notepad on steroids IDE. I am looking for some inspiration for things that have been tried or that you have seen (or not) that looked cool and would be useful to have in an IDE. Things that I can up with are: http://digitaltools.node3000.com/blog/1052-field-experimental-programming-suite http://www.cs.brown.edu/people/acb/codebubbles_site.htm

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• How to identify ideas and concepts in a given text

  - by Nick

  I'm working on a project at the moment where it would be really useful to be able to detect when a certain topic/idea is mentioned in a body of text. For instance, if the text contained: Maybe if you tell me a little more about who Mr Balzac is, that would help. It would also be useful if I could have a description of his appearance, or even better a photograph? It'd be great to be able to detect that the person has asked for a photograph of Mr Balzac. I could take a really naïve approach and just look for the word "photo" or "photograph", but this would obviously be no good if they wrote something like: Please, never send me a photo of Mr Balzac. Does anyone know where to start with this? Is it even possible? I've looked into things like nltk, but I've yet to find an example of someone doing something similar and am still not entirely sure what this kind of analysis is called. Any help that can get me off the ground would be great. Thanks!

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• Git: Help an SVN novice translate trunk/branch concepts to Git

  - by Jasconius

  So I am not much of a source control expert, I've used SVN for projects in the past. I have to use Git for a particular project (client supplied Git repo). My workflow is as such that I will be working on the files from two different computers, and often I need to check in changes that are unstable when I move from place to place so I can continue my work. What then occurs is when, say, the client goes to get the latest version, they will also download the unstable code. In SVN, you can address this by creating a trunk and use working branches, or use the trunk as the working version and create stable branches. What is the equivalent concept in Git, and is there a simple way to do this via Github?

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• Data Application based on OO Concepts

  - by The King

  Hi... I'm looking for an application developed in C# with following qualities, which is available as source code... Based on OO Architecture Must connect to DB. Must handle atleast a "one to many master child" relationship (eg: Order and items ordered) Should display the data using Datagrid or other similar controls. Reports (either with report buider or otherwise) I want to understand the layering of objects better... Do you have any links... Thanks.

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• Book on C++ for understanding advanced concepts

  - by Invincible

  What is good book for industry level C++ programming? I am not looking for a beginners C++ book that talks about datatypes and control structures. I am looking for a more advanced book. For example, how to build system applications using C++. Any kind of guidance will be very helpful.

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• Book on C++ for understading of advance concepts

  - by Invincible

  What is good book for industry level C++ programming? I am not looking for C++ book for beginners which talk about data types and control structure. I am looking for more advance book. For example, how to build system application using C++. Any kind of guidance will be very helpful. Thank in advance.

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• 6 important .NET concepts: - Stack, heap, Value types, reference types, boxing and Unboxing.

  6 important .NET concepts: - Stack, heap, Value types, reference types, boxing and Unboxing.

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• "Je suis un ingénieur, pas un compilateur", les questions d'entretiens sont-elles trop orientées vers la maîtrise des instructions et concepts ?

  « Je suis un ingénieur, pas un compilateur » les questions d'entretiens sont-elles trop orientées vers la maitrise des instructions et concepts des langages De nos jours, les offres d'emplois sont de plus en plus orientées vers des langages bien définis. Conséquence : les questions d'entretiens abordent beaucoup plus les aspects liés aux concepts du langage. C'est en tout cas le constat d'un développeur au pseudo de clements, dans un billet de blog intitulé « je suis un ingénieur, pas un compilateur ». Celui-ci s'est rendu compte lors de plusieurs entretiens que des questions standards comme : qu'est-ce que le polymorphisme ? Quelle est la différence entre « List » et « S...

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• How do you think while formulating Sql Queries. Is it an experience or a concept ?

  - by Shantanu Gupta

  I have been working on sql server and front end coding and have usually faced problem formulating queries. I do understand most of the concepts of sql that are needed in formulating queries but whenever some new functionality comes into the picture that can be dont using sql query, i do usually fails resolving them. I am very comfortable with select queries using joins and all such things but when it comes to DML operation i usually fails For every query that i never done before I usually finds uncomfortable with that while creating them. Whenever I goes for an interview I usually faces this problem. Is it their some concept behind approaching on formulating sql queries. Eg. I need to create an sql query such that A table contain single column having duplicate record. I need to remove duplicate records. I know i can find the solution to this query very easily on Googling, but I want to know how everyone comes to the desired result. Is it something like Practice Makes Man Perfect i.e. once you did it, next time you will be able to formulate or their is some logic or concept behind. I could have get my answer of solving above problem simply by posting it on stackoverflow and i would have been with an answer within 5 to 10 minutes but I want to know the reason. How do you work on any new kind of query. Is it a major contribution of experience or some an implementation of concepts. Whenever I learns some new thing in coding section I tries to utilize it wherever I can use it. But here scenario seems to be changed because might be i am lagging in some concepts.

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• Good websites and/or books to learn game algorithms?

  - by Moshe

  I'm interested in learning video game algorithms. (For iPhone particularly, but generally as well. I assume certain concepts are the same.) I am best off (personally) learning from a book but websites are useful too. What has helped you learn game programming algorithms and concepts? EDIT: As per request, I'll clarify the types of algorithms... I was looking for any algorithms really, but I guess I was interested in (top-down view) platformer algorithms, but, now that you mention it, Seth, I do wonder about chess...

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• Oracle vous invite à un atelier découverte Oracle Coherence composé d’une présentation du produit et de ses concepts, suivi par des exercices pratiques.

  - by mseika

  Oracle vous invite à un atelier découverte Oracle Coherence composé d’une présentation du produit et de ses concepts, suivi par des exercices pratiques. Objectifs : Cet atelier est destiné aux populations suivantes : architectes, développeurs, ainsi que les responsables de projets. Le format retenu (1 journée) pour cet atelier vous permettra de mesurer ce qu’Oracle Coherence peut apporter à votre entreprise ou vos clients au travers de quelques exercices. Cette journée de prise en main vous permettra de mieux comprendre : Le positionnement d’Oracle Coherence au travers des différents cas d’utilisation rencontrés sur le marché français Les concepts technique d’Oracle Coherence Création d’une grille de données distribuée Insérer et lire des données dans un cache distribué Effectuer une requête sur un cache distribué Effectuer une aggrégation sur un cache distribué Etc… En fonction de votre niveau il y aura toujours un exercice supplémentaire à réaliser… Pré-requis :Matériel : Pour la session, chaque participant doit disposer de son pc portable avec un minimum de 4Go de RAM (idéalement Windows XP ou 7). Sur le PC on doit trouver déjà installés les éléments suivants : un Jdk 6, Eclipse dans une version récente, et Coherence 3.7. Technique : Eclipse et  Programmation Java niveau débutant (vous devez être à l’aise pour créer un projet Java, utiliser des librairies, compiler, exécuter, créer des configurations de lancement Eclipse, etc…). Durée : 1 jour L'équipe Enablement Oracle France.NB: Merci de prévoir les frais liés au déjeuner qui n'est pas pris en charge par Oracle

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• « BPMN2 : L'essentiel », un e-book pour découvrir les concepts clés du BPMN et modéliser ses processus métier, téléchargeable gratuitement

  « BPMN2 : L'essentiel », un e-book pour découvrir les concepts clés du BPMN et modéliser ses processus métier, téléchargeable gratuitementBPM (Business Process Management) est une discipline qui consiste à considérer la gestion des processus comme un moyen d'améliorer la performance opérationnelle. Les processus métier sont représentés sous forme de modèles graphiques grâce à l'ensemble des conventions graphiques BPMN (BPMN Business Process Model and Notation).BPMN est un standard permettant de...

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• Découvrir la nouvelle génération CRM ? Connectez-vous au Customer Concepts TV le 24 april 2012

  - by Kinoa

  Accélérer votre stratégie commerciale  Les entreprises doivent repenser leurs processus de vente, optimiser leur performance, augmenter la productivité des équipes et se concentrer sur les opportunités à plus fort potentiel. Danny Rippon, Oracle CRM Solutions Sales Development Director, souhaite partager avec vous la stratégie gagnante dans cette video : la nouvelle génération de CRM. Vous y trouverez des conseils avisés pour tirer au maximum profit de votre CRM. Rejoignez-nous sur Customer Concepts TV ! Pour en savoir plus, visionnez cette video :

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• 6 important .NET concepts: - Stack, heap, Value types, reference types, boxing and Unboxing.

  6 important .NET concepts: - Stack, heap, Value types, reference types, boxing and Unboxing....Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Covariance vs. contravariance

  - by alexmac

  What are the concepts of covariance and contravariance? Given 2 classes, Animal and Elephant (which inherits from Animal), my understanding is that you get runtime errors in .NET if you try and put an Elephant into an array of Animal, which happens because Elephant is "bigger" (more specific) than Animal. But could you assign Animal to an array of Elephants as Elephant is guaranteed to contain the Animal properties?

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• Shadows vs Overloads in VB.NET

  - by serhio

  When we have new in C#, that personally I see only as a workaround to override a property that does not have a virtual/overridable declaration, in VB.NET we have two "concepts" Shadows and Overloads. In which case prefer one to another?

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• How to pull a RANDOM and UNIQUE record from SQL via LINQ.

  - by Jeremy H

  Okay, I found lots of posts on SO about how to pull a RANDOM item from the database when using LINQ. There seems to be a couple of differnet ways to handle this. What I need to do though is pull a RANDOM item from the database that the user has not seen before. The data I am pulling from the database is very small. Is there any way I can just hit the database once for 1000 records and then randomly scroll through those? Should I put a cookie on the users system recording the IDs of which items they have seen, pull a random record, check to see if it is seen and if so, pull from the database again? That seems like performance issues just waiting to happen. I don't expect anyone to code it for me, I am just looking for concepts and pointing in the right direction of how I should go about this. Need more details? Just let me know!

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