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• Effective way of String splitting C#

  - by openidsujoy

  I have a completed string like this N:Pay in Cash++RGI:40++R:200++T:Purchase++IP:N++IS:N++PD:PC++UCP:598.80++UPP:0.00++TCP:598.80++TPP:0.00++QE:1++QS:1++CPC:USD++PPC:Points++D:Y++E:Y++IFE:Y++AD:Y++IR:++MV:++CP:~ ~N:ERedemption++RGI:42++R:200++T:Purchase++IP:N++IS:N++PD:PC++UCP:598.80++UPP:0.00++TCP:598.80++TPP:0.00++QE:1++QS:1++CPC:USD++PPC:Points++D:Y++E:Y++IFE:Y++AD:Y++IR:++MV:++CP: this string is like this It's list of PO's(Payment Options) which are separated by ~~ this list may contains one or more PO contains only Key-Value Pairs which separated by : spaces are denoted by ++ I need to extract the values for Key "RGI" and "N". I can do it via for loop , I want a efficient way to do this. any help on this.

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• Web programming, standard way to deal with a response that takes time to complete

  - by wobbily_col

  With normal form submission I use the pattern Post / Redirect / Get, when processing the forms. I have a database application built with Django. I want to allow the users to select a number of items from the database, then launch a computationally intensive task based on those items. I expect the task to take between 10 minutes and 2 hours to complete. Is there a standard approach to dealing with requests like this (i.e. that don't return immediately)? Ideally there would be some way to display the progress.

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• How is Magento using the module_name tag elements in the module config file

  - by zokibtmkd

  I found here that Magento is using these tags as custom config variables, but I still cannot understand where are they used and how. For example the Wishlist module has wishlist (same name as the module) xml tag in the config.xml file in which it defines: <item> <product_attributes> <visibility/> <url_path/> <url_key/> </product_attributes> </item> Where is this module using these configurations? Also if I was to build payment method, I have to add in my custom module config.xml a tag for sales and then for quote and so on... I also found other related questions, but most of the answers were that these tags can be anything, but I need to know how they are used by the system. Thank you in advance

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• Local variable not being passed to partial template by render?

  - by brad

  I don't seem to be able to pass a variable to my partial template in rails (2.3.5). My code is as follows; In the main view .html.erb file: <% f.fields_for :payments do |payment_form| %> <%= render 'payment', {:f => payment_form, :t => "test" } %> <% end %> and in the _payment.html.erb file: <%= t %> produces a wrong number of arguments (0 for 1) error. The payment_form object is being passed to the partial as f without any problems. I've tried a number of variations on the above syntax (e.g. :locals => {:f => payment_form, :t => "test" } without success. I presume I'm doing something pretty basic wrong but just can't see it.

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• Authenticating a user for a single app with multiple domains

  - by hofnarwillie

  I have one asp.net web application, but two different domains point to this web app. For instance: www.one.com and www.two.com both point to the same web app. I have an issue where I need certain pages to be on a specific domain (due to some security requirements from our online payment provider - a third party website). So let's say page1.aspx needs to be called on www.two.com The process is as follows: A user logs into www.one.com The authentication cookie is saved to the browser The user then navigates to page1.aspx and, if on the wrong domain, gets redirected to the correct domain. (this redirection happens on page1.aspx in the page_load event) Then asp.net redirects the user to the login screen, because the authentication cookie is not sent to www.two.com. How can I track the user and keep him/her logged in between the two domains?

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• Database Insider - July 2012 issue

  - by Javier Puerta

  The July issue of the Database Insider newsletter is now available. (Full newsletter here) INFORMATION INDEPTH NEWSLETTERDatabase Insider Edition - July 2012 Optimize Your Communications Applications on Oracle ExadataThe communications industry is experiencing explosive growth, which means that high-performing, scalable, and cost-effective solutions are critical for success. Learn more by accessing white papers, success stories, product information, videos, podcasts, and more. Register now. Oracle Exadata Enables Neuralitic's SevenFlow Application ImprovementsImproves application performance 3x and compression rate/scalability 10x. ElectraCard Services Runs Oracle Exadata on Oracle LinuxAchieves processing speeds greater than 12,000 TPS and increases performance 2x. Read full newsletter here

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• How can I design multi-threaded application for larger user base

  - by rokonoid

  Here's my scenario, I need to develop a scalable application. My user base may be over 100K, every user has 10 or more small tasks. Tasks check every minute with a third party application through web services, retrieving data which is written in the database, then the data is forwarded to it's original destination. So here's the processing of a small task: while(true){ Boolean isNewInformationAvailable = checkWhetherInformationIsAvailableOrNot(); If(isNewInformationAvailable ==true){ fetchTheData(); writeToDatabase(); findTheDestination(); deliverTheData(); isAvailable =false; } } As the application is large, how should I approach designing this? I'm going to use Java to write it. Should I use concurrency, and how would you manage the concurrency?

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• Need help with cURL and POSTing in PHP

  - by alex

  I need to post to a payment gateway. The example PHP script for the gateway simply sets the XML like this curl_setopt($ch, CURLOPT_POSTFIELDS, $xmlRequest); // $xmlRequest is just a string of XML In all of my experience, generally you need to use an array with key/values or a string similar to GET params. I am using Kohana, and tracked down a cURL module. It accepts the POST key/values as an array only. Now, I could ditch the module and throw some cURL straight in, but I am using this module fine all throughout the site, so would prefer to use it here. So, my question is, how does that first one work? Does it just POST the whole thing without any named key? Is there a default key I could use for an array to get the module to work?

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• Photo sharing social platform [closed]

  - by user1696497

  I am working on a photo sharing social platform like Flickr, Photobucket. To start off with I have half a million photos as of now. I want to convert all of these into a single format, compression ratio and use it as an original image. I will be storing original image, re-sized image according to layout and a thumbnail. I have started off with ruby, didn't find supporting libraries. I am considering python as it has a good image processing library and instagram is using it. I want some advise about how the image has to be processed while uploading, efficient way of storage whether database or a file system, image compressions, and precautions to be taken. I would be having profile pictures, do I need store them separately or along with the images? If I want to store the images on a file system, which file system should I use and also should I store the url or should I use any intermediate key value store like redis?

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• Software Center crashes and terminal errors

  - by user97521

  *note*I'm a new user to Ask Ubuntu and I've only recently switched to Ubuntu 12.04. When I try to open the software center (Ubuntu 12.04 32-bit) it will flash open, load for maybe 1-2 seconds, and then close. When i try using: sudo apt-get purge software center sudo apt-get install sudo apt-get update sudo apt-get upgrade I get this within the terminal: Reading package lists... Error! E: Problem parsing dependency Depends E: Error occurred while processing printer-driver-hpcups (NewVersion2) E: Problem with MergeList /var/lib/dpkg/status E: The package lists or status file could not be parsed or opened. *The problem fixed itself after I shut down my laptop for the night and turned it back on to check my e-mail this afternoon. If anyone could tell me how to fix this problem in the future please do, I would like to learn about these kind of things because i don't plan on putting windows on my laptop again :P *

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• Selling an application both in the android market and outside it

  - by Lo'oris

  I understand it is possible to sell the same application both in the market and outside it, great. I still don't understand a few things, that AFAIK are not mentioned in the contract but I might have missed or misunderstood something, so I'm going to ask. Disclaimer: I know you're not a lawyer, etc. etc. Let's say I give in the market a demo version, and I sell in the market the full version too. May I also sell the full version outside the market? I understand that you can't give away the demo in the market and then collect the payment outside, but what if I do allow the user to buy it in the market, but also allow him to buy outside the market? What if I charge a lower price if he buys outside the market?

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• Hosted Continuous Application Monitoring Services

  - by Ian Silber

  Does anybody know of a good service or tool for continuos application monitoring? I'm looking specifically for something that is hosted, so we don't have to worry to much about the fact that the monitoring tool is actually running. Specifically, we have a few e-commerce customers that we would like to provide detailed monitoring services for. We don't want to simply monitor uptime, we'd like to go through the entire checkout process once a day or even more often to ensure everything's working (adding to cart, shipping calculations, payment processing, etc). We've tried site24x7.com but their recording tool just doesn't seem to offer the level of customization we need. Does anybody have any recommendations?

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• Can you automate the new product registration in iTunes Connect (In App Purchase) ?

  - by Luc

  I am considering using In App Purchase for our iPhone app. But since we will offer a larger quantity of content items (10 video items each day added), I would like to automate the new product registration in iTunes Connect. Is this possible ? If not: how long does it typically take before Apple approves a new registred product in iTunes Connect ? Since the content looses quickly it's 'freshness' (news broadcasts...), it is crucial to be able to have new content available ASAP. Would you recommend using In App Purchase for this scenario or would you recommend developing our own payment & account system ?

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• What programming language matches this description? [on hold]

  - by Benubird

  I am looking for a functional language that is basically dynamic programming - i.e. one where functions are first-class objects - but where all function calls are asynchronous by default; i.e. you define function X(a,b) = (Y(a)+Z(b)), and when X() is called, it sees it is waiting for the return from two functions, runs one in the current thread, and spawns a new thread to run the other. The future is very much parallel processing; multiple cores, multiple machines, the internet of things, etc. and I was wondering if there was a language specifically designed to make this kind of parallelization easy. I currently have only used imperative languages (c, php, java, ruby, etc), so I don't know anything about what kind of functional languages are available.

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• What is meant by namespaced content and what advantages does it have?

  - by Geek

  I was reading this blog by James Bennett regarding HTML vs XHTML . He writes : I don’t have any need for namespaced content; I’m not displaying any complex mathematical notation here and don’t plan to, and I don’t use SVG for any images. So that’s one advantage of XHTML out the window. I also don’t have any need for XML tools; all the processing I need to do can be handled by HTML-parsing libraries like BeautifulSoup. That’s the other advantage gone. What does he mean by namespaced content and what advantage does it provide us ?

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• android application that visualize real time data

  - by matarsak

  I want to build and android app that visualize real time data , I set up a UDP channel that get the data , now I want to visualize it . I now that I can use openGL ES. but I have now back ground and in a few weeks I dont think that i'm able to learn that . what about android processing ? could it be used for extensive visualization task like this? or it's limited ? I heard it's not hard to learn that. any other option ?

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• JSR Updates and EC Nominations open

  - by heathervc

  JSR 310, Date and Time API, has published an Early Draft Review 2.  This review closes 14 October. JSR 353, Java API for JSON Processing, has published an Early Draft Review.  This review closes 7 October. JSR 356, Java API for WebSocket, has published an Early Draft Review. This review closes 27 October. JSR 339,  JAX-RS 2.0: The Java API for RESTful Web Services, has published a Public Review. This review closes 12 November. The EC Nominations are now open until 11 October.  Any JCP Member may nominate themselves for the 2 open seats in the 2012 EC Elections.  Note that both seats will be for a 1 year term only, since all EC Members will stand for Election in 2013.  The merged EC will take effect in November 2012.

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• Send some form info to a PHP page to be processed without going to that page? [closed]

  - by zuko

  Okay, so I'm not very familiar with php. I have a very simple form, just 2 text fields. All I want to do is, after validating with JavaScript, send these two string fields in an email to a pre-defined email address. I understand how JavaScript works on the client side; you can respond to user events, etc. And PHP is server-side. What I'm having trouble grasping and figuring out is how do I run PHP functions, etc when I want? I figured out how to use the 'action' attribute of the form to send the data via POST to another PHP page. But this simply opens that page. I don't want to open the page I just want to do some processing and send a message back to the page the user is still on. How do I go about something like that? Thanks.

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• Decrementing/Incrementing loop variable inside for loop. Is this code smell?

  - by FairDune

  I have to read lines from a text file in sequential order. The file is a custom text format that contains sections. If some sections are out of order, I would like to look for the starting of the next valid section and continue processing. Currently, I have some code that looks like this: for (int currentLineIndex=0; currentLineIndex < lines.Count; currentLineIndex++ ) { //Process section here if( out_of_order_condition ) { currentLineIndex--;//Stay on the same line in the next iteration because this line may be the start of a valid section. continue; } } Is this code smell?

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• How to create a manager class without global variables nor singletons?

  - by Omega

  I would like to implement some kind of manager class in my application. It will be in charge of loading textures, processing them, distributing them etc... At first, I wanted to make a global variable that simply contains an instance of my manager class. I found this question: http://stackoverflow.com/questions/4646577/global-variables-in-java. However, the users there seem to recommend to never use global variables. Fine then, I once heard about Singletons, so I though I could use that instead. I mean, creating just one instance of my manager class sounds good. However, I found this other question: When is Singleton appropriate?, which basically tells me that Singletons are, in most scenarios, some kind of anti-pattern. Now I am a bit lost - what other approach can I take to create my manager class, whose only requirement is to be accessible from anywhere?

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• How to visualize real time data on Android? [closed]

  - by matarsak

  I want to build and android app that visualizes real time data (2D animation). I set up a UDP channel that get the data, now I want to visualize it. I know that I can use OpenGL ES, but after a few weeks, I dont think that I'm able to learn that. What about Android Processing? Could it be used for an extensive visualization task like this? or is it limited in some way? I've heard it's not hard learn. Any other options?

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• Which is more expensive multiple conditional branches or multiple relational expression in a single condition?

  - by bman

  Which is more expensive in terms of processing costs if ( x < 20 && z == "M") { // statements 3 } if ( x >= 20 && w && x <= 65) { // statements 1 } if( x >= 20 &&z != "M"){ // statements 2 } or this if ( x < 20 ) { if( z == 'M') // statements 3; } else if ( x <= 65 && w == true ) // statements 1; if ( z == 'F' ) // statements 2; }

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• Using multiple servers for hosting [on hold]

  - by foo

  I need help understanding the concept of using multiple servers (for hosting at home). More specifically multiple WAMP servers. (I have tried looking online but have found no good resources, maybe i am searching for for the wrong things to answer my questions) Questions -How do multiple servers work together? -Do they all have their independent hard drives storing different information? and if so, does the server dynamically locate files? -How do shell commands get executed? -How do they share the "load"? i.e. processing power, resources? Please tag links to resources so i may use a reference. Cheers!

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• Finalists for the Microsoft Accelerator for Windows Azure

  - by ScottGu

  Today, I am pleased to announce the ten finalists for the Microsoft Accelerator for Windows Azure powered by TechStars. These startups are about to launch into a three-month program where they will develop new products and businesses using Windows Azure. The response to the program has been fantastic - we received nearly 600 applications from entrepreneurs in 69 countries around the world, spanning a host of industries including retail, travel, entertainment, banking, real estate and more.  There were so many innovative ideas and amazing teams that it really made the selection process hard.  We finally landed on 10 finalists, based on their experience, qualifications, and innovative business ideas built on the cloud. This fall’s Windows Azure class includes: Advertory – Berlin, Germany. Advertory helps local businesses increase revenue and build customer loyalty. Appetas – Seattle, WA. Appetas' mission is to make restaurants look as beautiful online as they do on the plate! BagsUp – Sydney, Australia. Find great places from people you trust. Embarke – San Diego, CA. Embarke allows developers and companies the ability to integrate with any human communication channel (Facebook, Email, Text Message, Twitter) without having to learn the specifics, write code, or spend time on any of them. Fanzo – Seattle, WA. Fanzo puts sports fans in the spotlight. Find other fans, show off your fanswagger and get rewarded for your passion. MetricsHub – Bellevue, WA. A service providing cloud monitoring with incident detection and prebuilt workflows for remedying common problems. Mobilligy – Bellevue, WA. Mobilligy revolutionizes how people pay their bills by bringing convenient, secure, and instant bill payment support to mobile devices. Realty Mogul – Los Angeles, CA. Realty Mogul is a crowdfunding platform for real estate where accredited investors pool capital and invest in properties that are acquired, managed and eventually resold by professional private real estate companies and their management teams. Staq – San Francisco, CA. Back-end as a service for APIs. Socedo – Bellevue, WA. A simple and effective web application for lead generation and relationship management on Twitter. Each startup will be hosted in Seattle and mentored by entrepreneurs and venture capitalists as well as leaders from Windows Azure and other Microsoft organizations. The teams will spend the first month ideating and refining their business concepts with input and advice from their mentors as well as Microsoft customers, followed by two months of design and development. They will present their results to investors and Microsoft partners at an event in mid-January. We are really looking forward to seeing how their businesses evolve.  These teams have demonstrated incredible energy, passion, and innovative capabilities – and they are ready to show the world what’s possible with Windows Azure. Thanks, Scott P.S. And if you are new to Twitter you can also optionally follow me: @scottgu

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• Rights Expiry Options in IRM 11g

  - by martin.abrahams

  Among the many enhancements in IRM 11g, we have introduced a couple of new rights expiry options that may be applied to any role. These options were supported in previous versions, but fell into the "advanced configuration" category. In 11g, the options can be applied simply by selecting a check-box in the properties of a role, as shown by the rather extreme example below, where the role allows access for just two minutes after they are sealed. The new options are: To define a role that expires automatically some period after it is assigned To define a role that evaluates expiry relative to the time that each document is sealed These options supplement the familiar options to allow open-ended access (limited by offline access and the ever-present option to revoke rights at any time) and the option to define time windows with specific start dates and end dates. The value of these options is easiest to illustrate with some publishing examples: You might define a role with a one year expiry to be assigned to users who purchase a one year subscription. For each individual user, the year would be calculated from the time that the role was assigned to them. You might define a role that allows documents to be accessed only for 24 hours from the time that they are published - perhaps as a preview mechanism designed to tempt users to sign up for a full subscription. Upon payment of a full fee, users can simply be reassigned a role that gives them greater access to exactly the same documents. In a corporate environment, you might use such roles for fixed term contractors or for workflows that involve information with a short lifespan, or perhaps as part of a compliance process that requires rights to be formally re-approved at intervals. Being role-based, the time constraints apply to any number of documents - including documents that have not yet been created. For example, a user with a one year subscription would have access to all documents published in the relevant classification during the year without any further configuration. Crucially, unlike other solutions, it is not the documents that expire, but the rights of particular users. Whereas some solutions make documents completely inaccessible for all users after expiry, Oracle IRM can allow some users to continue using documents while other users lose access. Equally crucially, a user whose rights have expired can always be granted fresh rights at any time - for example, because they renew their subscription or because a manager confirms that they still need the rights as part of a corporate compliance process. By applying expiry to rights rather than to documents, Oracle IRM avoids the risk of locking an organization out of its own information.

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