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• How many databases to support eCommerce?

  - by Terry Lorber

  I have a system with two databases, one that the customer-facing website uses, the second that is used by the "backroom" order-fulfillment system. I've been asked to run queries from the website to the backroom system. I'd rather not, it seems risky to allow web-based request to run unheeded on the internal system. Additionally, this means opening up routing in the firewall to allow external connections to the internal server. What's the best practice for eCommerce? Run the entire company off of one database? Or individual databases for each system, and middleware to connect them? Sometimes it might be necessary for the web application to pull date from the internal system, but not based on an HTTP request from the internet. I'm sure the best answer is "it depends!" So, if people have a rule of thumb for when to use middleware and when not to, I'd like to here it.

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• Server-side access to Client Browser's Latitude/Longitude using Django.

  - by ZenGyro

  Hello, So i am writing a little app that compares a user's position against a database on web-based server written using Django and performs some functions with it. Accessing the browser's geolocation data (in supported browsers ) is fairly trivial using JavaScript. But what is the best way to allow the Django server to access the longitude and latitude variables? Is it best to wrap them up as a JSON object and send to the server via POST? Or is there some easier (Geo)Django-based way to access the Navigator.geolocation browser object. Please forgive a newbie a question like this, but my Google-Fuing only seems to find ways to insert variables into JavaScript via template tag, whereas I need it to work the other way! Any advice or code snippets greatly appreciated. Feel free to talk to me like I am an idiot.

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• Partner Webcast – Oracle Weblogic 12c for New Projects - 07 Nov 2013

  - by Roxana Babiciu

  Fast-growing organizations need to stay agile in the face of changing customer, business or market requirements.Oracle WebLogic Server 12c is the industry's best application server platform that allows you to quickly develop and deploy reliable, secure, scalable and manageable enterprise Java EE applications. WebLogic Server Java EE applications are based on standardized, modular components. WebLogic Server provides a complete set of services for those modules and handles many details of application behavior automatically, without requiring programming.New project applications are created by Java programmers, Web designers, and application assemblers. Programmers and designers create modules that implement the business and presentation logic for the application. Application assemblers assemble the modules into applications that are ready to deploy on WebLogic Server. Build and run high-performance enterprise applications and services with Oracle WebLogic Server 12c, available in three editions to meet the needs of traditional and cloud IT environments. Join us, in this webcast, as we will show you how WebLogic Server 12c helps you building and deploying enterprise Java EE applications with support for new features for lowering cost of operations, improving performance, enhancing scalability. Read more here

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• Flexible Data source for Multi-Section Table View Controller

  - by TuanCM

  I have a TableViewController which display a list of NewsItem objects: @interface NewsItem : NSObject { NSString *feedID; NSString *title; NSDate *published; } I'm trying to implement a Table View Controller (multiple sections) that can display the list in two ways: One divide News Items into sections which based on Published Date The other would be based on FeedID (News source). And I don't know how to structure the data source so that the code is easy to maintain. I tried to put the list of News Items into a 2 dimension Array in this case is a NSMutableArray of NSArray objects. However I got some objc_exception_throw and I don't think this is flexible enough. Could you guys give me some ideas?

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• Performing multiple fetches in Core Data within the same view

  - by yesimarobot

  I have my CD store setup and everything is working. Once my initial fetch is performed, I need to perform several fetches based on calculations using the data from my first fetch. The examples provided from Apple are great, and helped me get everything going but I'm struggling with executing successive fetches. Any suggestions, or tutorial links are appreciated. Table View loads data from CD store. When a user taps a row it pushes a detail view The detail view loads details from CD. [THE ABOVE STEPS ARE ALL WORKING] I perform several calculations on the data fetched in the detail view. I need to then perform several other fetches based on the results of my calculations.

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• Create Java object from external java file

  - by psu

  Hi, How can I load a *.java class file into my java app and create an object based on that class file?

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• How to write gSOAP server using VC++ (VS2008)?

  - by Falcon

  Hi, I have downloaded gSOAP2.8 from sourceforge. I want to use it for writting a gsoap based server. I need to be able to invoke my C++ code from PHP UI. E.g. My php page would show something like: $res = a + b = ? [Submit] When submit button is clicked I want these parameters to be passed to my c++ function lets say compute_sum() ... and this function should be invoked with these parameters, and the results given back to my php page. I want to write this gsoap based c++ server. Can someone please help me with getting started with it? I need to know: 1] What kind of c++ code it should it be? (Windows console app, or a windows service) 2] How do I launch this server? (Would it need to be a webservice, hosted over something like apache?) Please advise and guide. Regards, Falcon

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• SEO dynamic / AJAX pages

  - by Andrew

  I have a very dynamic / ajax powered website which also includes iframes and due this reason I have a very bad SEO rank and it come in my mind to make one more additional version of the site (text based / no script) and serve it to the search engines based on the user agent . Please let me know if you think that is a feasible method and if it's not what else would you recommend me to do .. I don't want to loose any fancy ajax feature but I also need to keep the website on the google map :) thank you in advance for any answer ! btw the website is developed in asp.net c# .

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• What is the preferred/recommend way of running two version of ubuntu side by side

  - by GreyGeek

  I am running 14.04, but I need to run some corporate software/scripts that have been specifically designed for 12.04. I am aware of virtual box/vmware for full virtualization but I am looking for something more lightweight (on my windows machine both come at a significant cost in battery life) closer to os virtualization level. Ideally, I would like something like windows 7/8 compatibility mode: the ability to run a program as if I were on 12.04. Does Ubuntu/Linux have such mechanism? What is the preferred way of running programs/scripts designed for an older version of Ubuntu?

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• Just Released: Oracle Instantis EnterpriseTrack 8.5

  - by Melissa Centurio Lopes

  Instantis EnterpriseTrack has been successfully integrated into the Oracle development process and the first release under Oracle is generally available. This release is a significant expansion of solution capabilities in resource management, project demand management, and project execution. It also includes customer requested product enhancements, reporting enhancements, performance optimizations, and user experience improvements. Key enhancements include: New Resource Calendar functionality provides more precise capacity visibility for resource planning and increases project plan reliability. Support for Activity Labor Cost Capitalization allows project teams to easily mark any WBS activity as CapEx or OpEx with Labor Expense Type and enforce proper classification of Labor Expense Type for activities by setting defaults through activity templates or at project level New Variable Resource Rates functionality allows project stakeholders to specify resource rate accurately over time and account for wage revisions Instantis EnterpriseTrack cloud and on-premise solutions provide a top-down approach to managing, tracking and reporting on enterprise strategies, projects, portfolios, processes, resources, and financials. Upgrade now or Visit the Instantis EnterpriseTrack site to learn more.

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• Handling null values with PowerShell dates

  - by Tim Ferrill

  I'm working on a module to pull data from Oracle into a PowerShell data table, so I can automate some analysis and perform various actions based on the results. Everything seems to be working, and I'm casting columns into specific types based on the column type in Oracle. The problem I'm having has to do with null dates. I can't seem to find a good way to capture that a date column in Oracle has a null value. Is there any way to cast a [datetime] as null or empty?

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• Referral System PHP

  - by Liam

  I have a membership based website and im planning on implementing a referral system. My website is credit based, the idea is that if User X refers User Y, then User X gets 100 bonus credits. Has anybody built a referral system before and if so what obstacles should I bear in mind? I've had a snoop round SO tonight but couldn't find any suitable answers. My theory is to give each user a random string which is generated and stored in the DB when they sign up, The user will then be presented with a URL incl. that string which when they pass to somebody (User Z), User Z is then sent to a page, the page then uses the GET method to gather the Random string and update the DB Row they currently occupy, does this sound feasible or could it easily be breached? Thanks

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• Oracle RightNow Cloud Service Roadmap - Live Webcast, Nov 13, 6pm CET

  - by Richard Lefebvre

  Did you miss out on Oracle OpenWorld this year? Then make sure you don’t miss out on this Webinar.  The Oracle RightNow development team shares the latest innovations and integrations, including future roadmap, for the Oracle RightNow Service Cloud platform.  Find out how these innovations will help you deliver exceptional customer service to your customers.Join our live Webcast on Wednesday, November 13, 2013, 09:00 a.m. PT / 12:00 p.m. ET (18:00 p.m. CET) to get up to speed with the latest updates and future capabilities, and learn how you can: Provide a more engaging Web experience Increase the effectiveness of assisted service Deliver the right answer at the right time - all the time Agenda Topics How RightNow fits into Oracle's vision for Oracle Service The latest updates to the Oracle RightNow Cloud Service platform Oracle's key investment areas and roadmap for Oracle RightNow Cloud Service Don’t miss this chance to learn how you can delight your customers while improving cost and efficiency.Register Now

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• Transfer of directory structure over network

  - by singh

  I am designing a remote CD/DVD burner to address hardware constraints on my machine. My design works like this: (analogous to a network printer) Unix-based machine (acts as server) hosts a burner. Windows-based machine acts as client. Client prepares data to burn and transfers it to the server. Server burns the data on CD/DVD. My question is: what is the best protocol to transfer data over the network (Keeping the same directory hierarchy) between different operating systems?

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• Creating reference movies for iPhone on the fly

  - by Mad Oxyn

  We are working on an online mobile video app. The videos we want to play on mobile phones are being generated by a server, as there can be dynamic content in the server (based on user input). Now for iPhone we would like to play the video in the best possible resolution based on the connection speed at the time of downloading the movie. This can be done using reference movies. However, because our videos are being generated on the fly, we need to generate this reference movie on the fly as well. Is there a way to generate reference movies on the fly on a Linux server using some command line tool, PHP or Java? Or on a DOS server maybe? Any help will be much appreciated.

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• Sharepoint courses on Pluralsight

  - by TATWORTH

  I have just heard from Plural Sight that through their partnership with Critical Path training, they are adding 33 new SharePoint courses at no extra cost. The key parts of their announcement at http://blog.pluralsight.com/2012/09/13/critical-path-training-joins-the-pluralsight-library-over-30-sharepoint-courses-today/ is:"Over the next several hours we’ll begin publishing our first set of Critical Path Training online courses, and by the end of the day, you will see a total of 33 new SharePoint courses added to the Pluralsight library! These new courses primarily cover SharePoint 2007 and SharePoint 2010 for developers, administrators, end users, power users, and web designers.""By end of year, we expect to release another 22 courses from Critical Path Training that will exclusively cover the SharePoint 2013 release."Well done Pluralsight and Critical Path!

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• What will be the setup process for website development?

  - by Vijay Shanker

  Hi, I want to create a simple site for my personal usage. And this only in python based technologies. So I want to get a expert oponian on this topic. What should i used as platform? I did a search for available options and found Django, grok, web2py and many more of these. Which one a novice use should use? If I choose to use only the basic python scripts then what option i have to work on? http://wiki.python.org/moin/WebBrowserProgramming. This link on python site confused me more, instead of solving my curiosity about the topic. Please give some pointer to accurate and easy to understand reading materials. I have got a idea of developing java based web applications using either spring-webmvc and struts. Can I relate Java process to python process for web development?

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• Is a safe accumulator really this complicated?

  - by Martin

  I'm trying to write an accumulator that is well behaved given unconstrained inputs. This seems to not be trivial and requires some pretty strict planning. Is it really this hard? int naive_accumulator(unsigned int max, unsigned int *accumulator, unsigned int amount) { if(*accumulator + amount >= max) return 1; // could overflow *accumulator += max; // could overflow return 0; } int safe_accumulator(unsigned int max, unsigned int *accumulator, unsigned int amount) { // if amount >= max, then certainly *accumulator + amount >= max if(amount >= max) { return 1; } // based on the comparison above, max - amount is defined // but *accumulator + amount might not be if(*accumulator >= max - amount) { return 1; } // based on the comparison above, *accumulator + amount is defined // and *accumulator + amount < max *accumulator += amount; return 0; }

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• How to access java collection, just like the table in the database, having indexes and LINQ-like que

  - by Shaman

  This task occurs from time to time in my projects. I need to handle a collection of some complex elements, having different attributes, such as login, password_hash, role, etc. And, I need to be able to query that collection, just like I query a table in the database, having only partial data. For example: get all users, with role "user". Or check, if there's a user with login "root" and role "superuser". Removing items, based on same data is also needed. The first attempt I've tried is to use Google collections, Apache collections, and lambdaj. All of them have very similar preicate mechanism, but with a great disadvantage: it is based on iteration, one by one, over the collection of items, which is not good, for often used collections, containing big amounts of data. Could you please suggest me some solution? Thanks.

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• What&rsquo;s new in ASP.NET MVC 2 Wrox Blox available for purchase

  My latest book, the Whats new in ASP.NET MVC 2 Wrox Blox, is now available for purchase from the Wrox store at the cost of US $6.99. For those who are not familiar with them, Wrox Blox are short and concise ebooks that cover very specific topics. Ranging from 30 to 70-80 pages, they are a very good option in case you need to solve a specific problem, or learn a specific technology, but you dont to buy a whole book only when you would read a chapter or two. And this ebook is exactly like that:...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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• Just wondering about "Do-It Yourself Apps" on the internet versus apps written by us developers

  - by user657514

  Hi, I have been doing Objective-C programming over the past few weeks, and I have learnt a lot. However, I see that there are other Web-companies offering services to consumers directly from their website that allow consumers to create their apps through a point and click and drag features without any code. Clearly they are more cost effective and fast than having a developer write an app. I was wondering if there are any advantages then of having a developer build an app for someone, other than the obvious advantage that its got a custom look and feel. Could someone please clarify, since Im new and would like to evaluate whether it is worthwhile spending time towards learning a whole new development environment when someone could just use a webservice to make an app for multiple platforms Thanks

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• event vs thread programming on server side.

  - by AlxPeter

  We are planning to start a fairly complex web-portal which is expected to attract good local traffic and I've been told by my boss to consider/analyse node.js for the serve side. I think scalability and multi-core support can be handled with an Nginx or Cherokee up in the front. 1) Is this node.js ready for some serious/big business? 2) Does this 'event/asynchronous' paradigm on server side has the potential to support the heavy traffic and data operation ? considering the fact that 'everything' is being processed in a single thread and all the live connections would be lost if it got crashed (though its easy to restart). 3) What are the advantages of event based programming compared to thread based style ? or vice-versa. (I know of higher cost associated with thread switching but hardware can be squeezed with event model.) Following are interesting but contradicting (to some extent) papers:- 1) http://www.usenix.org/events/hotos03/tech/full_papers/vonbehren/vonbehren_html 2) http://pdos.csail.mit.edu/~rtm/papers/dabek:event.pdf

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• JavaScript: How to download JS asynchronously?

  - by Teddyk

  On my web site, I'm trying to accomplishes the fastest page load as possible. I've noticed that it appears my JavaScript are not loading asynchronously. Picture linked below. How my web site works is that it needs to load two external JavaScript files: Google Maps v3 JavaScript, and JQuery JavaScript Once it loads these external javascript files, it then, and only then, can dynamically render the page. The reason why my page can't load until both Google Maps and JQuery are loaded is that - my page, based on the geolocation (using Gmaps) of the user will then display the page based on where they are located (e.g. New York, San Francisco, etc). Meaning, two people in different cities viewing my site will see different frontpages. Question: How can I get my JavaScript files to download asynchronously so that my overall page load time is quicker?

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• What Does It Usually Mean for a Feature to be "Supported"?

  - by joshin4colours

  I'm currently working some testing for a particular area of an application. I had to write some automated tests for a particular feature but due to the circumstances, this was not easy to do. When I asked one of the other testers about it, he mentioned that the same features exist in a sister application our company produces but isn't documented anywhere (end-user documentation or otherwise). He also said that the feature doesn't typically get tested at all in the sister application and isn't usually tested in the application I work on. Apparently this feature isn't heavily used but removing it would require a fair bit of work so the benefit-cost ratio doesn't work out. All of this has left me with some questions. Other than "The documentation says so" or "We told the client it is", what usually makes a feature "supported" versus an unsupported feature?

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• How to make form validation in Django dynamic?

  - by Oli

  I'm trying to make a form that handles the checking of a domain: the form should fail based on a variable that was set earlier in another form. Basically, when a user wants to create a new domain, this form should fail if the entered domain exists. When a user wants to move a domain, this form should fail if the entered domain doesn't exist. I've tried making it dynamic overload the initbut couldn't see a way to get my passed variabele to the clean function. I've read that this dynamic validation can be accomplished using a factory method, but maybe someone can help me on my way with this? Here's a simplified version of the form so far: #OrderFormStep1 presents the user with a choice: create or move domain class OrderFormStep2(forms.Form): domain = forms.CharField() extension = forms.CharField() def clean(self): cleaned_data = self.cleaned_data domain = cleaned_data.get("domain") extension = cleaned_data.get("extension") if domain and extension: code = whoislookup(domain+extension); #Raise error based on result from OrderFormStep1 #raise forms.ValidationError('error, domain already exists') #raise forms.ValidationError('error, domain does not exist') return cleaned_data

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