Search Results

Search found 9518 results on 381 pages for 'explicit implementation'.

Page 132/381 | < Previous Page | 128 129 130 131 132 133 134 135 136 137 138 139  | Next Page >

• Could someone break this nasty habit of mine please?

  - by MimiEAM

  I recently graduated in cs and was mostly unsatisfied since I realized that I received only a basic theoretical approach in a wide range of subjects (which is what college is supposed to do but still...) . Anyway I took the habit of spending a lot of time looking for implementations of concepts and upon finding those I will used them as guides to writing my own implementation of those concepts just for fun. But now I feel like the only way I can fully understand a new concept is by trying to implement from scratch no matter how unoptimized the result may be. Anyway this behavior lead me to choose by default the hard way, that is time consuming instead of using a nicely written library until I hit my head again a huge wall and then try to find a library that works for my purpose.... Does anyone else do that and why? It seems so weird why would anyone (including me) do that ? Is it a bad practice ? and if so how can i stop doing that ?

  Read the article

• AdSense Custom Search Ads - custom quesry

  - by Alex

  i'm trying to set up a custom search ad, but I am nost sure about the query. On the site it says (https://developers.google.com/custom-search-ads/docs/implementation-guide) 'query' should be dynamic based on your page. This variable targets the ads and therefore should always match what the user on your site has just performed a search for. Now, what I understand is: I have to program my page so that the query variable contains some custom words. Am I right? If a user gets to my site through clicking on an adsense, there is no way to "know" what the user looked for and display my query accordingly, right? Thanks for any help!

  Read the article

• When to decide to introduce interfaces (pure abstract base classes) in C++?

  - by Honza Brabec

  Assume that you are developing a functionality and are 90% sure that the implementation class will stay alone. If I was in this position in Java I would probably not use the interface right now to keep the things simple. In Java it is easy to refactor the code and extract the interface later. In C++ the refactoring is not always so easy. It may require replacing values with smart pointers (because of the introduction of polymorphism) and other non-trivial tasks. On the other hand I don't much like the idea of introducing virtual calls when I am 90% sure they won't be needed. After all speed is one of the reasons to prefer C++ over simpler languages.

  Read the article

• RPC protocols comparison

  - by Ricardo

  I have to select a protocol/technology to use for communicating a client-server architecture, with support both for Python and C. The main requirements are: Symmetrical communication in between ends: clients establish a connection and servers can send data back to clients through the same connection. Avoid excessive overhead by using HTTP or a big stack (if possible, TCP direct communication). TLS/SSL support for secure communications. Ease of implementation. For that, I evaluated the following protocols/communications technologies. Is the information on this table accurate and correct? (*1) TLS support for RPyC is based in a no-longer supported Python library.

  Read the article

• Recommended book on Actors concurrency model (patterns, pitfalls, etc.)?

  - by Larry OBrien

  The Actors concurrency model is clearly gaining favor. Is there a good book that presents the patterns and pitfalls of the model? I am thinking about something that would discuss, for instance, the problems of consistency and correctness in the context of hundreds or thousands of independent Actors. It would be okay if it were associated with a specific language (erlang, I would imagine, since that seems universally regarded as the proven implementation of Actors), but I am hoping for something more than an introductory chapter or two. (FWIW, I'm actually most interested in Actors as they are implemented in Scala.)

  Read the article

• IOS Variable vs Property

  - by William Smith

  Just started diving into Objective-C and IOS development and was wondering when and the correct location I should be declaring variables/properties. The main piece of code i need explaining is below: Why and when should i be declaring variables inside the interface statement and why do they have the same variable with _ and then the same one as a property. And then in the implementation they do @synthesize tableView = _tableView (I understand what synthesize does) Thanks :-) @interface ViewController : UIViewController <UITableViewDataSource, UITableViewDelegate> { UITableView *_tableView; UIActivityIndicatorView *_activityIndicatorView; NSArray *_movies; } @property (nonatomic, retain) UITableView *tableView; @property (nonatomic, retain) UIActivityIndicatorView *activityIndicatorView; @property (nonatomic, retain) NSArray *movies;

  Read the article

• What do you look for in a scripting language?

  - by Jon Purdy

  I'm writing a little embedded language for another project. While game development was not its original intent, it's starting to look like a good fit, and I figure I'll develop it in that vein at some point. Without revealing any details (to avoid bias), I'm curious to know: What features do you love in a scripting language for game development? If you've used Lua, Python, or another embedded language such as Tcl or Guile as your primary scripting language in a game project, what aspects did you find the most useful? Language features (lambdas, classes, parallelism) Implementation features (performance optimisations, JIT, hardware acceleration) Integration features (C, C++, or .NET bindings) Or something entirely different?

  Read the article

• Are there existing FOSS component-based frameworks?

  - by Tesserex

  The component based game programming paradigm is becoming much more popular. I was wondering, are there any projects out there that offer a reusable component framework? In any language, I guess I don't care about that. It's not for my own project, I'm just curious. Specifically I mean are there projects that include a base Entity class, a base Component class, and maybe some standard components? It would then be much easier starting a game if you didn't want to reinvent the wheel, or maybe you want a GraphicsComponent that does sprites with Direct3D, but you figure it's already been done a dozen times. A quick Googling turns up Rusher. Has anyone heard of this / does anyone use it? If there are no popular ones, then why not? Is it too difficult to make something like this reusable, and they need heavy customization? In my own implementation I found a lot of boilerplate that could be shoved into a framework.

  Read the article

• How is intermediate data organized in MapReduce?

  - by Pedro Cattori

  From what I understand, each mapper outputs an intermediate file. The intermediate data (data contained in each intermediate file) is then sorted by key. Then, a reducer is assigned a key by the master. The reducer reads from the intermediate file containing the key and then calls reduce using the data it has read. But in detail, how is the intermediate data organized? Can a data corresponding to a key be held in multiple intermediate files? What happens when there is too much data corresponding to one key to be held by a single file? In short, how do intermediate partitions differ from intermediate files and how are these differences dealt with in the implementation?

  Read the article

• Quantitfying a cost for a software project

  - by The Elite Gentleman

  Disclaimer: I didn't know exactly where to put this question. If you feel that this question is not suitable for Programmers @ StackExchange, feel free to migrate it. Background: Broadening my last question, there is a request for tender for a software system that's open and I have decided to take it on. I am a software developer & engineer by profession and, in this tender process, I have to put on the pricing for my bid. I have been provided a documentation consisting of functional and non-functional requirements only. I have to put a project manager's cap on and think of all aspects, e.g. cost for implementation for the project, resources needed, etc. My question is: Is there a project framework that I can follow that breaks the project cycle into steps and corresponding cost aspect or how would I go about best calculating/approximating the cost for the project?

  Read the article

• Un-used Indexes on MDP_MATRIX Consuming Resources

  - by user702295

  Disable un-used Indexes: As much as it is recommended to create relevant indexes, it is advised not to have too many indexes on the mdp_matrix table.  Too many indexes will cause long waits on the table as indexes needs to get updated every time the table is updated.  There are many seeded indexes on mdp_matrix, every out of the box data model level has an index on the matrix table.  If a level is unused in the specific data model of the implementation, it is advisable to disable that index.  If the customer is not sure if and how indexes are utilized, the DBA can monitor all indexes.  After a few cycles of operation, the DBA should go over that list and see which indexes have not been used.  Consider disabling them. There are scripts on the net to monitor indexes or use the monitoring usage clause in the alter index statement.

  Read the article

• Why is chunk size often a power of two?

  - by danijar

  There are many Minecraft clones out there and I am working on my own implementation. A principle of terrain rendering is tiling the whole world in fixed size chunks to reduce the effort of localized changes. In Minecraft the chunk size is 16 x 16 x 256 as far as I now. And in clones I also always saw chunk sizes of a power of the number 2. Is there any reason for that, maybe performance or memory related? I know that powers of 2 play a special role in binary computers but what has that to do with the chunk size?

  Read the article

• Class as first-class object

  - by mrpyo

  Could a class be a first-class object? If yes, how would the implementation look? I mean, how could syntax for dynamically creating new classes look like? EDIT: I mean what example syntax could look like (I'm sorry, English is not my native language), but still I believe this question makes sense - how you give this functionality while keeping language consistent. For example how you create reference for new type. Do you make reference first-class object too and then use something like this: Reference<newType> r = new Reference<newType>(); r.set(value); Well this could get messy so you may just force user to use Object type references for dynamically created classes, but then you loose type-checking. I think creating concise syntax for this is interesting problem which solving could lead to better language design, maybe language which is metalanguage for itself (I wonder if this is possible).

  Read the article

• Oracle Database Appliance Technical Boot Camp

  - by mseika

  Oracle Database Appliance Technical Boot Camp Wednesday 19th September 9.30 – 16.30 This session is designed to give our partners detailed sales and technical information to familiarise themselves with the Oracle Database Appliance. It is split into two sessions, the first aimed at sales and pre-sales technical support, and the second aimed at pre-sales and technical implementation staff. The agenda is as follows: Part 1 Oracle Engineered Systems Introducing the Oracle Database Appliance What is the target market? Competitive positioning Sales Plays Up sell opportunities Resell requirements and process Part 2 Hardware internals Download the appliance software kit Disabling / enabling cores Configuration and setup Oracle 11g R2 overview Backup strategies Please register here.

  Read the article

• Functions returning pointers

  - by fg nu

  C++ noob here. I have a very basic question about a construct I found in the C++ book I am reading. // class declaration class CStr { char sData[256]; public: char* get(void); }; // implementation of the function char* CStr::get(void) { return sData; } So the Cstr::get function is obviously meant to return a character pointer, but the function is passing what looks like the value (return sData). Does C++ know to return the address of the returned object? My guess would have been that the function definition would be return &sData.

  Read the article

• What is a good strategy for binding view objects to model objects in C++?

  - by B.J.

  Imagine I have a rich data model that is represented by a hierarchy of objects. I also have a view hierarchy with views that can extract required data from model objects and display the data (and allow the user to manipulate the data). Actually, there could be multiple view hierarchies that can represent and manipulate the model (e.g. an overview-detail view and a direct manipulation view). My current approach for this is for the controller layer to store a reference to the underlying model object in the View object. The view object can then get the current data from the model for display, and can send the model object messages to update the data. View objects are effectively observers of the model objects and the model objects broadcast notifications when properties change. This approach allows all the views to update simultaneously when any view changes the model. Implemented carefully, this all works. However, it does require a lot of work to ensure that no view or model objects hold any stale references to model objects. The user can delete model objects or sub-hierarchies of the model at any time. Ensuring that all the view objects that hold references to the model objects that have been deleted is time-consuming and difficult. It feels like the approach I have been taking is not especially clean; while I don't want to have to have explicit code in the controller layer for mediating the communication between the views and the model, it seems like there must be a better (implicit) approach for establishing bindings between the view and the model and between related model objects. In particular, I am looking for an approach (in C++) that understands two key points: There is a many to one relationship between view and model objects If the underlying model object is destroyed, all the dependent view objects must be cleaned up so that no stale references exist While shared_ptr and weak_ptr can be used to manage the lifetimes of the underlying model objects and allows for weak references from the view to the model, they don't provide for notification of the destruction of the underlying object (they do in the sense that the use of a stale weak_ptr allows for notification), but I need an approach that notifies the dependent objects that their weak reference is going away. Can anyone suggest a good strategy to manage this?

  Read the article

• How URL Redirection affects SEO?

  - by Costa

  The following paragraph is from SEO Google Guide Google is good at crawling all types of URL structures, even if they're quite complex, but spending the time to make your URLs as simple as possible for both users and search engines can help. Some webmasters try to achieve this by rewriting their dynamic URLs to static ones; while Google is fine with this, we'd like to note that this is an advanced procedure and if done incorrectly, could cause crawling issues with your site. What makes URL re-writing implementation incorrect for GoogleBot? I am using Asp.net 3.5 framework. Thanks

  Read the article

• How to document experimental or incomplete APIs like @deprecated?

  - by Michael Levy

  Is there a good term that is similar but different than "deprecate" to mean that a method or API is in the code base but should not be used because its implementation is not complete or will likely change? (Yeah, I know, those methods shouldn't be public, yada yada yada. I didn't create my situation, I'm just trying to make the best of it.) What do people suggest? Experimental, Incomplete, something else? If I'm building javadoc documentation for this API that is still in flux, should I use the @deprecated tag or is there a better convention? To me @deprecated implies that this API is old and a newer preferred mechanism is available. In my situation, there is no alternative, but some of the methods in the API are not finished and so should not be used. At this point I cannot make them private, but I'd like to put clear warnings in the docs.

  Read the article

• Parleys Testimonial at GlassFish Community Event, JavaOne 2012

  - by arungupta

  Parleys.com is an e-learning platform that provide a unique experience of online and offline viewing presentations, with integrated movies and chaptering, from the top notch developer conferences and about 40 JUGs all around the world. Stephan Janssen (the Devoxx man and Parleys webmaster) presented at the GlassFish Community Event at JavaOne 2012 and shared why they moved from Tomcat to GlassFish. The move paid off as GlassFish was able to handle 2000 concurrent users very easily. Now they are also running Devoxx CFP and registration on this updated infrastructure. The GlassFish clustering, the asadmin CLI, application versioning, and JMS implementation are some of the features that made them a happy user. Recently they migrated their application from Spring to Java EE 6. This allows them to get locked into proprietary frameworks and also avoid 40MB WAR file deployments. Stateless application, JAX-RS, MongoDB, and Elastic Search is their magical forumla for success there. Watch the video below showing him in full action: More details about their infrastructure is available here.

  Read the article

• Google I/O 2010 - OpenSocial in the Enterprise

  Google I/O 2010 - OpenSocial in the Enterprise Google I/O 2010 - Best practices for implementing OpenSocial in the Enterprise Social Web, Enterprise 201 Mark Weitzel, Matt Tucker, Mark Halvorson, Helen Chen, Chris Schalk Enterprise deployments of OpenSocial technologies brings an additional set of considerations that may not be apparent in a traditional social network implementation. In this session, several enterprise vendors will demonstrate how they've been working together to address these issues in a collection of "Best Practices". This session will also provide a review of existing challenges for enterprise implementations of OpenSocial. For all I/O 2010 sessions, please go to code.google.com From: GoogleDevelopers Views: 5 0 ratings Time: 38:23 More in Science & Technology

  Read the article

• Java: Reflection Packet Builder using getField()

  - by Matchlighter

  So I just finished writing a packet builder that dynamically loads data into a data stream which is then sent out. Each builder operates by finding fields in its class (and its superclasses) that are marked with an @data annotation. Upon finishing the builder, I remembered that getFields() does not return in "any specific order". I quite like my builder because it allows for quite simple, yet hard-typed packets. Could this implementation be a problem? What would be the best next step to keep the simplicity - do alphabetical sorting of fields?

  Read the article

• ASP.NET AJAX Release History : Q1 2010 SP2 (version 2010.1.519)

  Common for all controls What's Fixed Fixed: Problem with RegisterWithScriptManager=false (MVC) and browsers without gzip support Fixed: $telerik.getLocation implementation, in case the element is a child of an element with position:fixed Visual Studio Extensions What's New Improved: Visual Studio 2010 support for upgrade notifications What's Fixed Fixed: Code language selection in WebSite does not work. RadAjax What's Fixed Fixed: RadAjax controls break on AJAX callback with ToolkitScriptManager...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.

  Read the article

• Zookeeper naming service [closed]

  - by kolchanov

  I need a recommendation for naming service implementation. We are ISV and we have a lot of applications (services) with very different protocols such as http (Rest), low level tcp, amqp, diameter, telco protocols Rx, Ry, Ud and many others. We want to simplify configuration, deployment and service discovery procees and it seems that It's time to create central configuration registry. So I have few questions: - is zookeeper suitable for this purpose? - does exists more suitable and more special solution? - best practice for service naming for discoverin. Any standards? - recommendation for service configuration data structure Also we are keeping in mind future tasks For dynamic application distribution in a private cloud. Could you share your real life experience?

  Read the article

• .NET Compiler Platform (Roslyn) , its relevance to developer community and its performance? [on hold]

  - by jerriclynsjohn

  I'm just starting out with a Code-Quality-plugin development for my organization based on the recently released .NET Compiler Platform APIs (Roslyn APIs). I would like to know what are the most relevant possible ways that it could be used by the developer community apart from the usual IDE experience as answered in other questions. I was wondering the implications of opening up a compiler to general public and never came across anything "breakthrough", that could possibly add up to the value of IDE experiences. Is there any performance bottleneck for its implementation since the compiler itself is managed code?

  Read the article

• How to do pragmatic high-level/meta-programming?

  - by Lenny222

  Imagine you have implemented the creation of a nice path-based star shape in Lisp. Then you discover Processing and you re-implement the whole code, because Processing/Java/Java2D is different. Then you want to tinker with libcinder, so you port your code to C++/Cairo. You are (re)writing a lot of boiler plate code, while the actual requirement "create a star shape" (or "create a path, moveto x y, lineto x y") has not changed. What are the options to encapsulate those implementation details? Some sort of pragmatic meta-programming? Maybe an expert system? How would you define your core business logic as language-independent as possible?

  Read the article

< Previous Page | 128 129 130 131 132 133 134 135 136 137 138 139  | Next Page >