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  • Syncing client and server CRUD operations using json and php

    - by Justin
    I'm working on some code to sync the state of models between client (being a javascript application) and server. Often I end up writing redundant code to track the client and server objects so I can map the client supplied data to the server models. Below is some code I am thinking about implementing to help. What I don't like about the below code is that this method won't handle nested relationships very well, I would have to create multiple object trackers. One work around is for each server model after creating or loading, simply do $model->clientId = $clientId; IMO this is a nasty hack and I want to avoid it. Adding a setCientId method to all my model object would be another way to make it less hacky, but this seems like overkill to me. Really clientIds are only good for inserting/updating data in some scenarios. I could go with a decorator pattern but auto generating a proxy class seems a bit involved. I could use a generic proxy class that uses a __call function to allow for original object data to be accessed, but this seems wrong too. Any thoughts or comments? $clientData = '[{name: "Bob", action: "update", id: 1, clientId: 200}, {name:"Susan", action:"create", clientId: 131} ]'; $jsonObjs = json_decode($clientData); $objectTracker = new ObjectTracker(); $objectTracker->trackClientObjs($jsonObjs); $query = $this->em->createQuery("SELECT x FROM Application_Model_User x WHERE x.id IN (:ids)"); $query->setParameters("ids",$objectTracker->getClientSpecifiedServerIds()); $models = $query->getResults(); //Apply client data to server model foreach ($models as $model) { $clientModel = $objectTracker->getClientJsonObj($model->getId()); ... } //Create new models and persist foreach($objectTracker->getNewClientObjs() as $newClientObj) { $model = new Application_Model_User(); .... $em->persist($model); $objectTracker->trackServerObj($model); } $em->flush(); $resourceResponse = $objectTracker->createResourceResponse(); //Id mappings will be an associtave array representing server id resources with client side // id. //This method Dosen't seem to flexible if we want to return additional data with each resource... //Would have to modify the returned data structure, seems like tight coupling... //Ex return value: //[{clientId: 200, id:1} , {clientId: 131, id: 33}];

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  • RightNow stunning references: Spotlight on "The Boston Globe"

    - by Richard Lefebvre
    The Boston Globe’s World Class Contact Center Improves Customer Service and Retention with Oracle Web, Mobile, and Social Media Solutions. “Oracle RightNow solutions help us deliver exceptional customer support to both print customers and our technology-savvy digital customers. Whether customers are chatting online with an agent or finding answers from their mobile devices, Oracle RightNow solutions help our clients get the information they need anytime, anywhere.” ? Robert Saurer, Director of Customer Care and Marketing, The Boston Globe Read the full Press Release here

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  • What is a good resource for learning how the .Net Framework works? [on hold]

    - by Till Death Developer
    I've been developing web apps, for a while now so i know how to get the job done, what i don't know is how every thing really works, i know some but the rest i can't get a grasp on like how abstract works, what happens when i instantiate an object from a class that inherits from an abstract class?, where things get stored Heap vs Stack?, in other words the Interview questions that i suck at, so any advice would be great, books, videos, online courses, whatever you can provide would really help me.

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  • How do I organize a GUI application for passing around events and for setting up reads from a shared resource

    - by Savanni D'Gerinel
    My tools involved here are GTK and Haskell. My questions are probably pretty trivial for anyone who has done significant GUI work, but I've been off in the equivalent of CGI applications for my whole career. I'm building an application that displays tabular data, displays the same data in a graph form, and has an edit field for both entering new data and for editing existing data. After asking about sharing resources, I decided that all of the data involved will be stored in an MVar so that every component can just read the current state from the MVar. All of that works, but now it is time for me to rearrange the application so that it can be interactive. With that in mind, I have three widgets: a TextView (for editing), a TreeView (for displaying the data), and a DrawingArea (for displaying the data as a graph). I THINK I need to do two things, and the core of my question is, are these the right things, or is there a better way. Thing the first: All event handlers, those functions that will be called any time a redisplay is needed, need to be written at a high level and then passed into the function that actually constructs the widget to begin with. For instance: drawStatData :: DrawingArea -> MVar Core.ST -> (Core.ST -> SetRepWorkout.WorkoutStore) -> IO () createStatView :: (DrawingArea -> IO ()) -> IO VBox createUI :: MVar Core.ST -> (Core.ST -> SetRepWorkout.WorkoutStore) -> IO HBox createUI storeMVar field = do graphs <- createStatView (\area -> drawStatData area storeMVar field) hbox <- hBoxNew False 10 boxPackStart hbox graphs PackNatural 0 return hbox In this case, createStatView builds up a VBox that contains a DrawingArea to graph the data and potentially other widgets. It attaches drawStatData to the realize and exposeEvent events for the DrawingArea. I would do something similar for the TreeView, but I am not completely sure what since I have not yet done it and what I am thinking of would involve replacing the TreeModel every time the TreeView needs to be updated. My alternative to the above would be... drawStatData :: DrawingArea -> MVar Core.ST -> (Core.ST -> SetRepWorkout.WorkoutStore) -> IO () createStatView :: IO (VBox, DrawingArea) ... but in this case, I would arrange createUI like so: createUI :: MVar Core.ST -> (Core.ST -> SetRepWorkout.WorkoutStore) -> IO HBox createUI storeMVar field = do (graphbox, graph) <- createStatView (\area -> drawStatData area storeMVar field) hbox <- hBoxNew False 10 boxPackStart hbox graphs PackNatural 0 on graph realize (drawStatData graph storeMVar field) on graph exposeEvent (do liftIO $ drawStatData graph storeMVar field return ()) return hbox I'm not sure which is better, but that does lead me to... Thing the second: it will be necessary for me to rig up an event system so that various events can send signals all the way to my widgets. I'm going to need a mediator of some kind to pass events around and to translate application-semantic events to the actual events that my widgets respond to. Is it better for me to pass my addressable widgets up the call stack to the level where the mediator lives, or to pass the mediator down the call stack and have the widgets register directly with it? So, in summary, my two questions: 1) pass widgets up the call stack to a global mediator, or pass the global mediator down and have the widgets register themselves to it? 2) pass my redraw functions to the builders and have the builders attach the redraw functions to the constructed widgets, or pass the constructed widgets back and have a higher level attach the redraw functions (and potentially link some widgets together)? Okay, and... 3) Books or wikis about GUI application architecture, preferably coherent architectures where people aren't arguing about minute details? The application in its current form (displays data but does not write data or allow for much interaction) is available at https://bitbucket.org/savannidgerinel/fitness . You can run the application by going to the root directory and typing runhaskell -isrc src/Main.hs data/ or... cabal build dist/build/fitness/fitness data/ You may need to install libraries, but cabal should tell you which ones.

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  • CodePlex learns to talk to other services!

    CodePlex is now able to talk to other services! For example, if you want CodePlex to tell Trello to update cards on your Trello board, it can do it. Or if you want CodePlex to notify your Campfire chat room when updates are pushed, it can do that too. To start off, we are going to be adding support for the following services: Campfire – Notify a Campfire chat room when commits occur HipChat – Notify a HipChat chat room when commits occur Trello – Add commit summaries to Trello cards by referencing those cards in commit messages Twitter – Notify your Twitter followers when updates are pushed to your project In addition, we will continue to support our existing integrations with Windows Azure – Continuously deploy to Windows Azure on pushes (For Git and Hg projects) AppHarbor – Continuously deploy to AppHarbor on pushes To set up these integrations for your project, navigate to the project settings page as a project coordinator, and click on the services section as seen below:   While we are starting with these six services, the infrastructure is now in place to allow us to quickly roll out new integrations. We would love to hear which services and integrations you would like to see most on our suggestions page. We realize that there are some services and URLs that only make sense for your project to send notifications to. To support this scenario, we plan to add generic web hooks in the near future. Have ideas on how to improve CodePlex? Please visit our suggestions page! Vote for existing ideas or submit a new one. As always you can reach out to the CodePlex team on Twitter @codeplex or reach me directly @Rick_Marron.    

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  • How should bots be recognised in a game?

    - by Bane
    I'm interested in how bots are usually written. Here's my situation: I plan to make an online 2D mecha game in HTML5, and the server-side will be done with node. It is intended to be multiplayer, but I also want to make bots in case there aren't enough players. How does my game logic see them, as players or as bots? Is there a standard by which I should make them? Also, any general tips and hints will be OK.

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  • SilverlightShow for June 13 - 19, 2011

    - by Dave Campbell
    Check out the Top Five most popular news at SilverlightShow for SilverlightShow Top 5 News for June 13 - 19, 2011. Here are the top 5 news on SilverlightShow for last week: Panorama "Windows 8" template for Silverlight Premature cries of Silverlight / WPF skill loss. Windows 8 supports all programming models HTML 5 & Silverlight 5 10 Silverlight 5 Demos Recording of recent SilverlightShow webinar 'Blend for Silverlight Developers' now available online Visit and bookmark SilverlightShow. Stay in the 'Light

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  • How to Pick the Best Web Host for you

    How do you pick the best web host when there are thousands of hosting companies available online? It?s like going through the yellow pages trying to find burger restaurants. There are lots of them. H... [Author: Sue Woledge - Web Design and Development - April 07, 2010]

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  • Is there a major difference between JMF 1.0 and JMF 2.1.1

    - by Fasih Khatib
    Alright, this question stems from the fact that there are very few online resources for learning JMF. The books that are available are quite old, some of them out of publication. This question is an extension to my other question where asked I for the name of a book that I could use to learn JMF. So, is there a major difference between JMF 1.0 and JMF 2.1.1? Should I go ahead and buy a book that covers JMF 1.0?

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  • Naming your unit tests

    - by kerry
    When you create a test for your class, what kind of naming convention do you use for the tests? How thorough are your tests? I have lately switched from the conventional camel case test names to lower case letters with underscores. I have found this increases the readability and causes me to write better tests. A simple utility class: public class ArrayUtils { public static T[] gimmeASlice(T[] anArray, Integer start, Integer end) { // implementation (feeling lazy today) } } I have seen some people who would write a test like this: public class ArrayUtilsTest { @Test public void testGimmeASliceMethod() { // do some tests } } A more thorough and readable test would be: public class ArrayUtilsTest { @Test public void gimmeASlice_returns_appropriate_slice() { // ... } @Test public void gimmeASlice_throws_NullPointerException_when_passed_null() { // ... } @Test public void gimmeASlice_returns_end_of_array_when_slice_is_partly_out_of_bounds() { // ... } @Test public void gimmeASlice_returns_empty_array_when_slice_is_completely_out_of_bounds() { // ... } } Looking at this test, you have no doubt what the method is supposed to do. And, when one fails, you will know exactly what the issue is.

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  • How to find first cached date and time of a website?

    - by John Sanjay
    I found some of my webpage contents has been copied in other website. I need to check the cache date and time of both pages so that i can compare and guess which page is original and which one is duplicate according to Google. Because i know that if Google found two webpages with same content, it consider the first cached page by Google bot as unique. Is there any online tool for checking that? or other ways?

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  • From the Tips Box: Life after Babel Fish, Hidden Features in iOS apps, and Finding Clean Beaches with a Smartphone

    - by Jason Fitzpatrick
    Once a week we round up some of the great reader tips that come pouring in and share them with everyone. This week we’re looking at Bing’s absorbtion of Babelfish, hidden features in iOS apps, and how to find a clean beach with your smartphone. HTG Explains: What Is RSS and How Can I Benefit From Using It? HTG Explains: Why You Only Have to Wipe a Disk Once to Erase It HTG Explains: Learn How Websites Are Tracking You Online

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  • Using runtime generic type reflection to build a smarter DAO

    - by kerry
    Have you ever wished you could get the runtime type of your generic class? I wonder why they didn’t put this in the language. It is possible, however, with reflection: Consider a data access object (DAO) (note: I had to use brackets b/c the arrows were messing with wordpress): public interface Identifiable { public Long getId(); } public interface Dao { public T findById(Long id); public void save(T obj); public void delete(T obj); } Using reflection, we can create a DAO implementation base class, HibernateDao, that will work for any object: import java.lang.reflect.Field; import java.lang.reflect.ParameterizedType; public class HibernateDao implements Dao { private final Class clazz; public HibernateDao(Session session) { // the magic ParameterizedType parameterizedType = (ParameterizedType) clazz.getGenericSuperclass(); return (Class) parameterizedType.getActualTypeArguments()[0]; } public T findById(Long id) { return session.get(clazz, id); } public void save(T obj) { session.saveOrUpdate(obj); } public void delete(T obj) { session.delete(obj); } } Then, all we have to do is extend from the class: public class BookDaoHibernateImpl extends HibernateDao { }

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  • My schoolmates are playing too much and talk loudly, what should I do ? report them ? [closed]

    - by jokoon
    I'm a in a private game programming school class (there are also 3D/art classes in the school), and at least half or two third of the 12 people in my class play at various games (Age of Empires, web games, online card games, etc). They are talking quite loudly on top of that, and I'm getting hard times trying to concentrate: it feels like I'm in a cybercafe full of teenagers. I don't know if I have Hyperacusis (http://en.wikipedia.org/wiki/Hyperacusis),

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  • 24 Hours of PASS (September 2014): Summit Preview Edition

    - by Sergio Govoni
    Which sessions you can expect to find at the next PASS Summit 2014 ? Find it out on September 09, 2014 (12:00 GMT) at the free online event: 24 Hours of PASS: Summit Preview Edition.Register now at this link.No matter from what part of the world you will follow the event, the important thing is to know that they will be 24 hours of continuous training on SQL Server and Business Intelligence on your computer!

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