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  • A standard style guide or best-practice guide for web application development

    - by gutch
    I run a very small team of developers on a web application, just three people (and not even full time). We're all capable developers, but we write our code in very different ways: we name similar things in different ways, we use different HTML and CSS to achieve similar outcomes. We can manage this OK because we're small, but can't help feeling it would be better to get some standards in place. Are there any good style guides or best-practice guides for web application development that we can use to keep our code under control? Sure, we could write them ourselves. But the reality is that with lots to do and very few staff, we're not going to bother. We need something off the shelf that we can tinker with rather than start from scratch. What we're not looking for here is basic code formatting rules like "whether to use tabs or spaces" or "where to put line breaks" — we can control this by standardising our IDEs. What we are looking for are rules for code and markup. For example: What HTML markup should be used for headers, tables, sidebars, buttons, etc. When to add new CSS styles, and what to name them When IDs should be allocated to HTML elements, and what to name them How Javascript functions should be declared and called How to pick an appropriate URL for given page or AJAX call When to use each HTTP method, ie POST vs GET vs PUT etc How to name server-side methods (Java, in our case) How to throw and handle errors and exceptions in a consistent way etc, etc.

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  • Silverlight Recruiting Application Wrap-up and Source Code

    Hey everyone, it is the day you've all been waiting for.  So what makes April 8th so special?  Today on the live webinar I added the last module to the Silverlight Recruiting Application, both in the code-behind and in the MVVM/Prism versions.  Here is a quick look at the end result: Pretty neat, right? :) To get some of the pre-requisites out of the way, to play with this you will need... Visual Studio 2008 Silverlight 3 WCF RIA Services Beta for VS2008 (last version release for 2k8) Ideally you'll all have downloaded the Q1 2010 release, but if not I included the assemblies for you as well that you'll need.  The database is also included as a SQL Server 2008 .mdf, so no need for any extra setup there either.  Once you have all that setup, click on the next link to... Download the full Telerik Silverlight Recruiting Application...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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  • Introducing the Oracle Parcel Service&ndash;Example/Reference Application

    - by Jeffrey West
    Over the last few weeks the product management team has been working on a webcast series that is airing in EMEA.  It is a 5-episode series where we talk about different features of WebLogic and show how to build applications that take advantage of these features.  Each session is focused at a different layer of the technology stack, and you can find the schedule below. The application we are building in this series is named the ‘Oracle Parcel Service’.  It is an example application and not a product of Oracle by any stretch of the imagination.  Over the next few weeks we will be finalizing the code and will be releasing it for you to check out.  For updates, request membership to the Oracle Parcel Service project on SampleCode.oracle.com: https://www.samplecode.oracle.com/sf/projects/oracle-parcel-svc/. Here are some of the key features that we are highlighting: JPA 2.0 (new in WebLogic 10.3.4) with EclipseLink Coherence TopLink Grid Level 2 cache for JPA JAX-RS (new in WebLogic 10.3.4) 1.0 for RESTful services Lightweight JQuery Web UI for consuming RESTful services JSF 2.0 (new in WebLogic 10.3.4) utilizing PrimeFaces EJB 3.0 Spring-WS Web Services JAX-WS Web Services Spring MDP’s for Event Driven Architectures Java MDB’s for Event Driven Architectures Partitioned Distributed Topics for Event Driven Architectures   Accessing the Code on SampleCode.Oracle.com You will need to log in using your Oracle.com username and password.  If you have not created an account, you will need to do so.  It’s a simple one-page form and we don’t bother you with too many emails.   Please join the project to be kept up to date on changes to the code and new projects.  Joining the project is not required, but very much appreciated. Once you have signed in you should see an icon for accessing the Source Code via Subversion.  You can also download a zip file containing the code.

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  • Architecting Python application consisting of many small scripts

    - by Duke Dougal
    I am building an application which, at the moment, consists of many small Python scripts. Each Python script processes items from one Amazon SQS queue. Emails come into an initial queue and are processed by a script and typically the script will do a small unit of processing (for example, parse email and store some database fields), then an item will be placed on the next queue for further processing, until eventually the email has finished going through the various scripts and queues. What I like about this approach is that it is very loosely coupled. However, I'm not sure how I should implement live. Should I make each script a daemon which is constantly polling it's inbound queue for things to do? Or should there be some overarching orchestration program or process? Or maybe I should not have lots of small Python scripts but one large application? Specific questions: How should I run each of these scripts - as a daemon with some sort or restart monitor to restart them in case they stop for any reason? If yes, should I have some program which orchestrates this? Or is the idea of many small script not a good one, would it make more sense to have a larger python program which contains all the functionality and does all the queue polling and execution of functionality for each queue? What is the current preferred approach to daemonising Python scripts? Broadly I would welcome any comments or opinions on any aspect of this. thanks

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  • Ajax application: using SOAP vs REST ?

    - by coder
    I'm building an ajax heavy application (client-side strictly html/css/js) which will be getting all the data and using server business logic via webservices. I know REST seems to be the hot topic but I can't find any good arguments. The main argument seems to be its "light-weight". My impression so far is that wsdl/soap based services are more expressive and allow for more a more complex transfer of data. It appears that soap would be more useful in the application I'm building where the only code consuming the services will be the js downloaded in the client browser. REST on the other hand seems to have a smaller entry barrier and so can be more useful for services like twitter in allowing other developers to consume these services easily. Also, REST seems to Te better suited for simple data transfers. So in summary SOAP is useful for complex data transfer and REST is useful in simple data transfer. I'm currently under the impression that using SOAP would be best due to the complexity of the messages but perhaps there's other factors. What are your thoughts on the pros/cons of soap/rest for a heavy ajax web app? EDIT: While the wsdl is in xml, the data I'm transferring back and forth is actually in JSON. It just appears more natural to use wsdl/soap here due to the nature of the app. The verbs GET and POST may not be enough. I may want to say something like: processQueue, or executeTimer. This is why my conclusion has been wsdl/soap would be good for bridging a complex layer between two applications (client and server) whereas REST would be better (due to its simplicity) for allowing many developer-users to consume resources programmatically. So you could say the choice falls along two lines Will the app be verb-oriented (completing tasks: use soap) or noun-oriented (consuming resources: use REST) Will the api be consumed by few developers or many developers (REST is strong for many developers)? Since such an ajax heavy app would potentially use many verbs and would only be used by the client developer it appears soap/wsdl would be the best fit.

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  • Representation of data in application versus database

    - by user1815201
    I'm going to make an application that will be given data to put in a database. The data will for the most part be the same, but the way it is formatted will vary a lot (could be in anything from text files to .xls to .doc). I'm not a very experienced developer, but I can see some potential issues and I want to minimize them. First off I have decided to use the DAO pattern, so that I can easily support new file formats or file suddenly formatted in different ways. What I really wonder about though, is how I should manage the data itself within my application. I'm thinking that the database DAO should have models representing each table of the database with the same relations between them, to make the uploading process easy. But should the filesystem DAO's have to use the same models? I can imaging that when the database changes, the change will suddenly propagate throughout the entire system, all DAOs and models alike. And that is obviously a bad thing. I'm a little bit tired and out of time. Will update with what ever questions you have. Thanks!

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  • Web application stopped behaving normally after migration from Dedicated servers to Ec2 servers

    - by sunny
    Web application stopped behaving normally after migration from Dedicated servers to Ec2 servers Old Dedicated Server configuration systemtype: 32 bit operating system. RAM: 3.99 Gb Ram Processer : 1.86 GHZ New Servers in EC2 systemtype: 64 bit operating system. RAM: 3.99 Gb Ram Processer : 2.73 GHZ - 2.31 GHZ Everthing is working fine in our production server. But as we migrated our web application from old servers to new servers and transferred the entire network traffice to new servers.Site suddenly stopped behaving abnormally. Sometimes it's super fast Some times slow. sometimes normal some times super slow and sometimes no response This all above happens with a time interval or around 2 - 3 minutes. This went on happening 8 - 10 hours. Few differences in old and new servers are Old servers are using II6 and New servers are using IIS 7.5. We are using exactly the same code in the old and new servers. Even the ec2 servers are having higher CPU then older servers but still having lower. But not sure how this is happned. Please suggets your views...

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  • Managing JS and CSS for a static HTML web application

    - by Josh Kelley
    I'm working on a smallish web application that uses a little bit of static HTML and relies on JavaScript to load the application data as JSON and dynamically create the web page elements from that. First question: Is this a fundamentally bad idea? I'm unclear on how many web sites and web applications completely dispense with server-side generation of HTML. (There are obvious disadvantages of JS-only web apps in the areas of graceful degradation / progressive enhancement and being search engine friendly, but I don't believe that these are an issue for this particular app.) Second question: What's the best way to manage the static HTML, JS, and CSS? For my "development build," I'd like non-minified third-party code, multiple JS and CSS files for easier organization, etc. For the "release build," everything should be minified, concatenated together, etc. If I was doing server-side generation of HTML, it'd be easy to have my web framework generate different development versus release HTML that includes multiple verbose versus concatenated minified code. But given that I'm only doing any static HTML, what's the best way to manage this? (I realize I could hack something together with ERB or Perl, but I'm wondering if there are any standard solutions.) In particular, since I'm not doing any server-side HTML generation, is there an easy, semi-standard way of setting up my static HTML so that it contains code like <script src="js/vendors/jquery.js"></script> <script src="js/class_a.js"></script> <script src="js/class_b.js"></script> <script src="js/main.js"></script> at development time and <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js"></script> <script src="js/entire_app.min.js"></script> for release?

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  • How should I implement a command processing application?

    - by Nini Michaels
    I want to make a simple, proof-of-concept application (REPL) that takes a number and then processes commands on that number. Example: I start with 1. Then I write "add 2", it gives me 3. Then I write "multiply 7", it gives me 21. Then I want to know if it is prime, so I write "is prime" (on the current number - 21), it gives me false. "is odd" would give me true. And so on. Now, for a simple application with few commands, even a simple switch would do for processing the commands. But if I want extensibility, how would I need to implement the functionality? Do I use the command pattern? Do I build a simple parser/interpreter for the language? What if I want more complex commands, like "multiply 5 until >200" ? What would be an easy way to extend it (add new commands) without recompiling? Edit: to clarify a few things, my end goal would not be to make something similar to WolframAlpha, but rather a list (of numbers) processor. But I want to start slowly at first (on single numbers). I'm having in mind something similar to the way one would use Haskell to process lists, but a very simple version. I'm wondering if something like the command pattern (or equivalent) would suffice, or if I have to make a new mini-language and a parser for it to achieve my goals?

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  • Getting codebaseHQ SVN ChangeLog data in your application

    - by saifkhan
    I deploy apps via ClickOnce. After each deployment we have to review the changes made and send out an email to the users with the changes. What I decided now to do is to use CodebaseHQ’s API to access a project’s SVN repository and display the commit notes so some users who download new updates can check what was changed or updated in an app. This saves a heck of a lot of time, especially when your apps are in beta and you are making several changes daily based on feedback. You can read up on their API here Here is a sample on how to access the Repositories API from a windows app Public Sub GetLog() If String.IsNullOrEmpty(_url) Then Exit Sub Dim answer As String = String.Empty Dim myReq As HttpWebRequest = WebRequest.Create(_url) With myReq .Headers.Add("Authorization", String.Format("Basic {0}", Convert.ToBase64String(Encoding.ASCII.GetBytes("username:password")))) .ContentType = "application/xml" .Accept = "application/xml" .Method = "POST" End With Try Using response As HttpWebResponse = myReq.GetResponse() Using sr As New System.IO.StreamReader(response.GetResponseStream()) answer = sr.ReadToEnd() Dim doc As XDocument = XDocument.Parse(answer) Dim commits = From commit In doc.Descendants("commit") _ Select Message = commit.Element("message").Value, _ AuthorName = commit.Element("author-name").Value, _ AuthoredDate = DateTime.Parse(commit.Element("authored-at").Value).Date grdLogData.BeginUpdate() grdLogData.DataSource = commits.ToList() grdLogData.EndUpdate() End Using End Using Catch ex As Exception MsgBox(ex.Message) End Try End Sub

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  • How to Add Any Application to the Windows Desktop Right-Click Menu

    - by The Geek
    If you want really quick access to launch a frequently used application without putting extra icons on your desktop, you can add that application to the context menu for the desktop with a simple registry hack. Here’s how to do it. Naturally, we’ve also covered the opposite scenario—how to clean up your messy Windows context menu, which is an equally useful read if you’ve got a bunch of items you want to remove from the menu. Note: this article was originally published a few years ago, but we’ve updated and polished it for Windows 7 and are republishing it for you today. Latest Features How-To Geek ETC The How-To Geek Guide to Learning Photoshop, Part 8: Filters Get the Complete Android Guide eBook for Only 99 Cents [Update: Expired] Improve Digital Photography by Calibrating Your Monitor The How-To Geek Guide to Learning Photoshop, Part 7: Design and Typography How to Choose What to Back Up on Your Linux Home Server How To Harmonize Your Dual-Boot Setup for Windows and Ubuntu Hang in There Scrat! – Ice Age Wallpaper How Do You Know When You’ve Passed Geek and Headed to Nerd? On The Tip – A Lamborghini Theme for Chrome and Iron What if Wile E. Coyote and the Road Runner were Human? [Video] Peaceful Winter Cabin Wallpaper Store Tabs for Later Viewing in Opera with Tab Vault

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  • New partnership allows auto-transposition of client/server application to Windows Azure

    - by Webgui
    The economics of IT is changing rapidly, and organizations are searching to widen and secure availability of their systems and at the same time lower costs which is exactly what the cloud meant to do. Running your systems on Microsoft’s Windows Azure cloud for example would improve and secure the availability, accessibility and scalability (both up and down) of your systems and support the new IT economics. However, in order to take advantage of the cloud's promise of lower cost of ownership, the applications must be built or adjusted to work on that platform and in most cases this is not a simple task.  Even existing web applications cannot always be transferred to Azure without some changes, and for client/server applications, the task is way more challenging even to the point where it seems impossible. The reason is the gaps between the client/server desktop technology and the cloud's. For that reason, most of the known methodologies to migrate existing client/server applications actually involve rewrite of the desktop systems for the cloud. A unique approach is introduced by Visual WebGui which creates a virtualization layer atop ASP.Net web server, it moves the transformed or generated .Net code to that layer, and then using a patent pending protocol it renders a user interface within a plain browser. The end result is pure .NET code that is a base code for a pure rich web application and now due to a collaboration with Microsoft Windows Azure Visual WebGui provides the shortest path from client/server to the Azure cloud by being able to handle close to 95% of the transformation to the cloud platform in an automatic way. Application Migration to Azure without migraines More information about the Instant CloudMove Azure solution here.

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  • Good practice or service for monitoring unhandled application errors for a small organization

    - by palto
    I'm working with multiple software with varying ways of monitoring for errors. When I make software, I usually send email with the stack trace to admins(usually me). Some customer software is monitored by a team who check that a particular batch run was successfull. Other software might not have any monitoring at all(someone will call when things go wrong horribly). Sending emails is good, except when things start going wrong, my mail gets filled fast. Also I don't want to solve the same problem in code for every software. Is there some relatively cheap and low maintenance software or practice to handle this. I want it to be cheap/low maintenance because usually I work alone or in teams of 5 or smaller. For example it would be great if errors would be aggregated so I don't get 10 000 emails when something unexpected happens... For clarification: By unhandled errors I mean Exceptions that were unhandled by application code that were propagated to Tomcat or Jboss. I don't need help with how to catch those errors. I need help with what to do with them. Is there any cloud application that I could send my errors to? Or some simple server to install? Or some library that can handle errors using configuration files. I use Java if that is any help.

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  • iOS chat application design, sending/relaying the message over to the end user

    - by AyBayBay
    I have a design question. Let us say you were tasked with building a chat application, specifically for iOS (iOS Chat Application). For simplicity let us say you can only chat with one person at a time (no group chat functionality). How then can you achieve sending a message directly to an end user from phone A to phone B? Obviously there is a web service layer with some API calls. One of the API calls available will be startChat(). After starting a chat, when you send a message, you make another async call, let us call it sendMessage() and pass in a string with your message. Once it goes to the web service layer, the message gets stored in a database. Here is where I am currently stuck. After the message gets sent to the web service layer, how do we then achieve sending/relaying the message over to the end user? Should the web server send out a message to the end user and notify them, or should each client call a receiveMessage() method periodically, and if the server side has some info for them it can then respond with that info? Finally, how can we handle the case in which the user you are trying to send a message to is offline? How can we make sure the end user gets the packet when he moves back to an area with signal?

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  • How do I trust an off site application

    - by Pieter
    I need to implement something similar to a license server. This will have to be installed off site at the customers' location and needs to communicate with other applications at the customers' site (the applications that use the licenses) and an application running in our hosting center (for reporting and getting license information). My question is how to set this up in a way I can trust that: The license server is really our application and not something that just simulates it; and There is no "man in the middle" (i.e. a proxy or something that alters the traffic). The first thing I thought of was to use with client certificates and that would solve at least 2. However, what I'm worried about is that someone just decompiles (this is build in .NET) the license server, alters some logic and recompiles it. This would be hard to detect from both connecting applications. This doesn't have to be absolutely secure since we have a limited number of customers whom we have a trust relationship with. However, I do want to make it more difficult than a simple decompile/recompile of the license server. I primarily want to protect against an employee or nephew of the boss trying to be smart.

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  • Wiki Application With A Reputation System

    - by Christofian
    I'm really impressed with Stack Exchange's concept of reputation (you gain reputation as you post, and the more you post, the more privileges you get), and I want to apply the concept to a wiki that I am building. Does anyone know of a php wiki that has a concept of privileges/reputation similar to Stack Exchange? I'm not necessarily looking for something identical to SE, I'm just looking for a wiki application that gives users more privileges the more they contribute positively to the wiki (SE has down votes, the wiki should have some way of identifying negative contributions too). The privileges should be category based, so the more active you are in a specific category or page, the more privileges you get for that category. There should also be site wide privileges as well, though those should be harder to access than the category privileges. NOTE: If it is not possible to get category wide privileges and site wide privileges, I will be OK with just category wide privileges or just site wide privileges. I should be able to change the requirements for each privilege, through a administration panel or through editing a file (some wiki applications don't have administration interfaces). Does anyone have a script or a solution that will do this? If the script uses something similar to reputation to determine how much a user has positively contributed to the site, then that is OK too. Please Note: I am looking for a way to rate individual user contributions, not a way to rate the quality of an entire page.

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  • Real-time stock market application

    - by Sam
    I'm an amateur programmer. I'd like to develop a software application (like Tradestation), to analyse real-time market data. Please teach me if the following approach is correct, ie the procedures, knowledge or software needed etc: Use a DB to read the real-time feed from data provider: what should be the right DB to use? I know it should be a time serious one. Can I use SQL, Mysql, or others? What database can receive real-time data feed? Do I need to configure the DB to do this? If the real-time data is in ASCII form, how can it be converted to those that can be read by the DB and my application? Should I have to write codes or just use some add-ins? What kind of add-in are needed? How should I code the program to retrieve the changing data from the DB so that the analysis software screen data can also change asynchronously? (like the RTD in excel) Which aspects of programming do I need to learn to develop the above? Are there web resources/ books I can refer to for more information?

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  • Standards & compliances for secure web application development?

    - by MarkusK
    I am working with developers right now that write code the way they want and when i tell them to do it other way they respond that its just matter of preference how to do it and they have their way and i have mine. I am not talking about the formatting of code, but rather of way site is organized in classes and the way the utilize them. and the way they create functions and process forms etc. Their coding does not match my standards, but again they argue that its matter of preference and as long as goal achieved the can be different way's to do it. I agree but their way is proven to have bugs and we spend a lot of time going back and forth with them to fix all problems security or functionality, yet they still write same code no matter how many times i asked them to stop doing certain things. Now i am ready to dismiss them but friend of mine told me that he has same exact problem with freelance developers he work with. So i don't want to trade one bad apple for another. Question is is there some world wide (or at least europe and usa) accepted standard or compliance on how write secure web based applications. What application architecture should be for maintainable application. Is there are some general standard that can be used for any language ruby php or java govern security and functionality and quality of code? Or at least for PHP and MySQL i use for my website. So i can make them follow this strict standard and stop making excuses.

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  • Http handler for classic ASP application for introducing a layer between client and server

    - by JPReddy
    I've a huge classic ASP application where in thousands of users manage their company/business data. Currently this is not multi-user so that application users can create users and authorize them to access certain areas in the system. I'm thinking of writing a handler which will act as middle man between client and server and go through every request and find out who the user is and whether he is authorized to access the data he is trying to. For the moment ignore about the part how I'm going to check the authorization and all that stuff. Just want to know whether I can implement a ASP.net handler and use it as middle man for the requests coming for a asp website? I just want to read the url and see what is the page user is trying to access and what are the parameters he is passing in the url the posted data. Is this possible? I read that Asp.net handler cannot be used with asp website and I need to use isapi filter or extensions for that and that can be developed only c/c++. Can anybody through some light on this and guide me whether I'm in the right direction or not?

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  • SharePoint Development: Making that application pool recycle less annoying

    - by Sahil Malik
    SharePoint 2010 Training: more information If you’re like me, you’re easily distracted. What was I talking about again? Oh yes! See, whenever I am writing a farm solution that requires an application pool recycle, I hit CTRL_SHIFT_B to deploy (how to remap CTRL_SHIFT_B to deploy?).Now, I have what, a good 15-20 seconds to goof off and check my gmail/facebook/twitter/IM conversations, right? Sure .. 30 minutes later .. my application pool has died and recycled 3 times on it’s own. Hmm. Clearly, this was becoming a serious issue. So what am I supposed to do here? Well, worry not! Here is what you need to do, Right click\Properties on your SharePoint project, and look for the “SharePoint” tab. Look for post-deployment command line, and add the following post-deployment command line. (Be careful, copy paste exactly as is).   Read full article ....

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  • Concurrency pattern of logger in multithreaded application

    - by Dipan Mehta
    The context: We are working on a multi-threaded (Linux-C) application that follows a pipeline model. Each module has a private thread and encapsulated objects which do processing of data; and each stage has a standard form of exchanging data with next unit. The application is free from memory leak and is threadsafe using locks at the point where they exchange data. Total number of threads is about 15- and each thread can have from 1 to 4 objects. Making about 25 - 30 odd objects which all have some critical logging to do. Most discussion I have seen about different levels as in Log4J and it's other translations. The real big questions is about how the overall logging should really happen? One approach is all local logging does fprintf to stderr. The stderr is redirected to some file. This approach is very bad when logs become too big. If all object instantiate their individual loggers - (about 30-40 of them) there will be too many files. And unlike above, one won't have the idea of true order of events. Timestamping is one possibility - but it is still a mess to collate. If there is a single global logger (singleton) pattern - it indirectly blocks so many threads while one is busy putting up logs. This is unacceptable when processing of the threads are heavy. So what should be the ideal way to structure the logging objects? What are some of the best practices in actual large scale applications? I would also love to learn from some of the real designs of large scale applications to get inspirations from!

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  • Where is Oracle Utilities Application Framework V3?

    - by Anthony Shorten
    You may of noticed that the latest version of the Oracle Utilities Application Framework is V4.0.1. The last release of the Framework was V2.2. So what happened to V3? The short answer is that there is no V3 of the framework. The long answer is that the Oracle Utilities Application Framework has long been associated with Oracle Utilities Customer Care And Billing and Oracle Enterprise Taxation Management only. As more and more of the Oracle Tax And Utilities products are migrated onto the framework the association betweent eh original products on the framework is less appropriate. Therefore it was decided to pick a version number to emphasize the decouplinf of the releases of the Framework with any particular product. To illustrate this, the Oracle Mobile Workforce Management (MWM) V2.0.0 product uses Oracle Utilities Applicaton Framework V4.0.1. If we used the old numberings schema then MWM would be V4.0.1 which makes no sense, given the last release of MWM was V1.x The framework has its own development team and product management. It basicaly has its own schedule (though it is influenced by the products that use it still - which makes sense). So that s the reasoning around the version numbering change for the framework.

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  • Patenting a Web Application before launch?

    - by SoreThumb
    While discussing a website idea I had with friends and worked on it, they told me to be wary of theft regarding the website. Since the code I'd be working on would be mostly Javascript and HTML, the likelihood of theft is quite high. Furthermore, if I'm lucky, the idea I have would be a breakthrough when it comes to being useful. So, you can see the problem here-- I would be developing an application that's easily stolen, and unfortunately an application that companies larger than myself would want to provide. I'm also unsure if this idea has already been patented. I realize patent law is murky as in you can create a vague patent and still claim others are violating it. So, I'd like to search existing patents for one that may be relevant to my idea, and I'd like to patent it in the meantime. Does anyone have any experience regarding this? Should I invite a lawyer into the mix? As a note, I was going to add tags like, "Patents", but nobody has asked such a question yet and I just joined this StackOverflow...

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  • Architecture of a "website generator" web application

    - by Resorath
    What is the most maintainable and efficient way to architect a web application who's purpose is to host and generate websites which can be customized to a certain degree? There are a lot of these style of applications in the wild that generate all kinds of sites, from sites that host World of Warcraft guilds like guildlaunch to other sites like my wedding for wedding site hosting. My question is, what is the basic architecture that these sites operate on? I imagine there are two ways of thinking about this. A central set of code that all sites on the host run against, and it acts differently based on which site was visited. In this manner, when the base code is updated all sites are updated simultaneously. Or, the code for an individual site exists in a silo, and is simply replicated to a new directory each time a site is created. When an update needs to be applied, the code is pushed out to each site silo. In my case, I am working in PHP with the CodeIgniter framework, however the answer need not be limited to this case. Which method (if any) creates a more maintainable and efficient architecture to manage this style of web application?

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  • Web application interacts bi-directional with server program?

    - by Roelof Berkepeis
    I want to write a web application to play chess against the engine Crafty. I'm not new to PHP and javascript, but must learn how to interact with a server process : how can a web application and/or (jQuery) ajax interact bi-directionally with a (linux) program running on the server? At this moment i am developing on (Apache) local host. Crafty is installed on my Ubuntu PC. This well-known chess engine has no GUI, it runs in terminal by the command $ /usr/games/crafty and so you can play chess against it and even see it's calculations. I can make Crafty run by PHP, using the functions proc_open() or exec(), and most documentation i found states that the output stream should be a file .. But i think i don't want such setup, because then the webpage should be constanty polling that file (eg. by ajax) to see if some new data was appended, right? How can Crafty talk to the web page directly, saying "i have calculated another variation" or "i have decided a move" etc, then display this info on the web page and let the user give some counter move, just like in terminal. Isn't it possible to use some session / stream / listener? I have no clue at all, can anybody point me in a right direction?

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