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• Is it okay for an application to check for automatic updates in less than 20 hour interval?

  - by FlameStream

  I have a desktop application that has the ability to automatically update itself on the next restart (without the user's consent - but this is another issue altogether). Assuming that the user would never notice anything related to application updating (such as a progress bar, or pop-up requiring restart), and that our server would support the request spam load, is there any reason why it should not check for updates in less than 20 hour interval? The reason I'm asking this is because all applications that I know that have auto-update capability check for update every 20 to 24 hours and at startup. I was just wondering if there was an ethical rule about it, or simply because of the risk of overloading the server.

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• How can I bind an interface to a class decided by an xml or database configuration at the launch of the application?

  - by ipohfly

  I'm re-working on the design of an existing application which is build using WebForms. Currently the plan is to work it into a MVP pattern application while using Ninject as the IoC container. The reason for Ninject to be there is that the boss had wanted a certain flexibility within the system so that we can build in different flavor of business logic in the model and let the programmer to choose which to use based on the client request, either via XML configuration or database setting. I know that Ninject have no need for XML configuration, however I'm confused on how it can help to dynamically inject the dependency into the system? Imagine I have a interface IMember and I need to bind this interface to the class decided by a xml or database configuration at the launch of the application, how can I achieve that?

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• Random Cache Expiry

  - by mahemoff

  I've been experimenting with random cache expiry times to avoid situations where an individual request forces multiple things to update at once. For example, a web page might include five different components. If each is set to time out in 30 minutes, the user will have a long wait time every 30 minutes. So instead, you set them all to a random time between 15 and 45 minutes to make it likely at most only one component will reload for any given page load. I'm trying to find any research or guidelines on this topic, e.g. optimal variance parameters. I do recall seeing one article about how Google (?) uses this technique, but can't locate it, and there doesn't seem to be much written about the topic.

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• My Inbox: How to save changes coming from disconnected POCOs

  I receive a lot of random emails from developers with Entity Framework questions. (This is not a request for more! :)) If I’m too busy to even look or if it’s something I can’t answer off the top of my head, I swallow my pride and ask the person to try the MSDN forums. If the email is from a complete stranger and has gobs and gobs of code that email will surely get a "please try MSDN forums" reply.  But sometimes I’m not in my usual state of “too...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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• Which MIME type to compress? and what If I omit the `type` attribute from the HTML?

  - by rockyraw

  Per my request, my webhost had turned mod_deflate ON. In my Cpanel I now have an "Optimize Website" button. Inside that menu I could either choose: "Compress all content" or "Compress the specified MIME types" with the following default MIME types: "text/html text/plain text/xml" Which option should I choose and why? If I choose option 2, which types should I add (is there a recommended list with the exact way they should be written)? According to Google recommendations, I have omitted the type="text/css" attributes from all CSS references, as well as the type="text/javascript" attributes from all script references. Would this hinder the "gzipping" process?

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• How can I prevent people from looking at a listing of files in parent directory if I haven't uploaded index.html? [closed]

  - by LedZeppelin

  Possible Duplicate: How to restrict the download of all files in a folder? I haven't uploaded index.html or index.php to my root directory. How can I prevent people from looking at a listing of files in parent directory? http://oi56.tinypic.com/sc739e.jpg Also, is it possible for people to obtain a list of all the files in the root directory once I upload index.html? I'm currently using .htaccess and htusers to prompt someone to enter a username and password when they try to access any file in the root directory. This may sound like a weird request but would it be possible to have them come to the site (without an index.html) and just have them not see the files? All it would say on the page would be the following: Index of/ Apache Server at mysite.com Port 80

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• E-Mail Center: How to Debug Auto-Processing Issues

  - by LuciaC

  Do you use E-mail Center Auto-Processing functionality?  Auto-processing rules can be defined which will process an email and initiate actions such as sending an auto-reply, auto-acknowledgement or service request update or creation.  If you're using auto-processing in your environment, then you will have noticed that, when things go wrong, often the only indication that there is an issue is if the email goes to the Supervisor Queue for manual processing instead of being sent.  Oracle Development has developed a script to help you debug when an email is meant to be auto-processed but is failing. There are scripts for R12.0.6 through to R12.1.3. See Doc ID 1427925.1 for details of the script and how to use it.

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• DDD: service contains two repository

  - by tikhop

  Does it correct way to have two repository inside one service and will it be an application or domain service? Suppose I have a Passenger object that should contains Passport (government id) object. I am getting Passenger from PassengerRepository. PassengerRepository create request to server and obtain data (json) than parse received data and store inside repository. I have confused because I want to store Passport as Entity and put it to PassportRepository but all information about password contains inside json than i received above. I guess that I should create a PassengerService that will be include PassengerRepository and PassportRepository with several methods like removePassport, addPassport, getAllPassenger and etc. UPDATE: So I guess that the better way is represent Passport as VO and store all passports inside Passenger aggregate. However there is another question: Where I should put the methods (methods calls server api) for management passenger's passport. I think the better place is so within Passenger aggregate.

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• Websockets VS SSE

  - by user3385828

  Sorry for asking this here, I bet it has been asked plenty of times before but this time it's something specific which I haven't understood anywhere else: Suppose I have a service which requires to seek the database for different data once and in a while. For this I have 2 or 3 SSE, each one with a different retry basetime (20000 miliseconds, 1000 miliseconds...). What I'd like to know is if websockets can handle different "data type" accordingly to the request, for example, could I create one websocket to handle a notification system, a chat system, a group system instead of separated SSEs and treat data differently with javascript? And if so, would it be of higher interest (performance) than actually performing different queries to the server through different SSEs?

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• In what ways can I test an image slideshow javascript code?

  - by Rahul

  I have a slideshow of images (and links) on a page. These images are part of a JSON response to a request sent after the page loads. The slideshow is set to play at an interval of 2 seconds. The slideshow can be paused, played over, and all other controls a normal slideshow would have. As a Rails dev, I proposed cucumber but the javascript guys in the team are not comfortable with ruby. I saw some cucumber for javascript libraries coming up, still in experimental stage. I checked out jasmine and related tutorials but all I could get from them is how I can carry out any internal functional testing such as credit-cart validation, etc. - which I think could actually be handled in unit testing? (Screw the research I did and) How should I go about testing this and similar components?

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• New release of Oracle Process Accelerators (11.1.1.6.2

  - by JuergenKress

  Press release delivers Industry-focused solutions including Incident Reporting (Public Sector) and Loan Origination (Financial Services). lSO updated Travel Request Management (TRM), Document Routing and Approval (DRA), and Internal Service Requests (ISR). All BPM material is available at our SOA Community Workspace (SOA Community membership required): Presentation | Data Sheet | White paper Download Process Accelerators and Collateral - OTN SOA & BPM Partner Community For regular information on Oracle SOA Suite become a member in the SOA & BPM Partner Community for registration please visit  www.oracle.com/goto/emea/soa (OPN account required) If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Mix Forum Technorati Tags: bpm,process accelerators,SOA Community,Oracle SOA,Oracle BPM,Community,OPN,Jürgen Kress

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• 2 Google Tag Manager containers = double triggers?

  - by fred

  I have a Joomla website with existing analytics done by a GTM tag and I need to add another image tag (1x1 pixel) from a separate GTM container. I set the event name for the additional GTM container to a different name from from the existing GTM container (default 'gtm.js') so that the new tag only fires under the specified event. The new container tested out fine in a blank HTML page, but when it is put in the website, it ends up firing twice. I know that because Firebug showed 2 1x1 pixels being loaded and I mark each request with a randomly-generated UID to distinguish them on the server side. I suspect this being caused by having multiple GTM container tags but want to check whether anyone has run into this problem before? As of now, I could not verify nor fix the double counting problem.

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• Subdomains vs. URL Path in shareable links

  - by Adam Matan

  I am building a web application for questions and answers. Each question/answer page has all the required metadata for Facebook and Twitter, and we encourage users to share these pages. I have a dilemma regarding the shared link structure: Option 1 - subdomains Use a questions.example.com and answers.example.com, followed by an ID and optional text. The text is ignored by the request, which only takes the id into account. http://questions.example.com/<question_id>/<question_text> http://questions.example.com/12345/how-long-is-the-queue # Example http://q.example.com/12345 # Example Option 2 - URL path This is the format used by stackoverflow.com and trello.com: http://example.com/questions/<question_id>/<question_text> http://example.com/questions12345/how-long-is-the-queue # Example http://example.com/q/12345 # Example Server-wise, I can easily do both - I have a wildcard SSL certificate and Apache/NGinx configuration is pretty straightforward. Which option - subdomains or URL path - is preferred for shareble links?

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• In choosing a service-oriented architecture framework that needs to work with .NET and with Java, what to look for?

  - by cm007

  I planning to write an application in which there will be a service (call it A) listening for particular commands. This service will then relay those commands to other services (call them B and C) which are written, respectively, in .NET and Java (service A chooses which of service B or C to which to relay depending on the contents of the request to service A). I am looking for a framework that will allow for interoperability with both .NET and with Java, for example WCF or JAX-WS, or writing a custom framework (e.g., JSON REST commands over HTTP, similar to http://code.google.com/p/selenium/wiki/JsonWireProtocol). What questions/aspects should I consider in deciding?

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• How to disable VGA

  - by Bitmap

  If i run lspci | grep VGA I get below output which tells me below VGA cards are present on my computer. 01:00.0 VGA compatible controller: nVidia Corporation GT216 [GeForce GT 220] (rev a2) 08:02.0 VGA compatible controller: ATI Technologies Inc ES1000 (rev 02) The ES1000 is an onboard card which came with my machine. Do anyone know how to disable this VGA on my machine. The reason for this request is because if I run xrandr I get the output as shown below: xrandr: Failed to get size of gamma for output default Screen 0: minimum 320 x 240, current 1024 x 768, maximum 1024 x 768 default connected 1024x768+0+0 0mm x 0mm 1024x768 50.0* 800x600 51.0 52.0 53.0 680x384 54.0 55.0 640x480 56.0 512x384 57.0 400x300 58.0 320x240 59.0 Which means I am not able to configure nVidia to accept smaller resolution. Thank you.

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• Would I benefit changing from PHP to Node.js (in context)

  - by danneth

  The situation: We are about to roll out what is essentially a logging service. As we are rather PHP heavy, the current implementation use it. We will have about 200 computers (most on the same network) that will each send, via HTTP POST, around 5000 requests/day. With each request containing about 300 bytes of data. The receiving end is hosted at Amazon and is a very simple PHP form with some simple validation that puts everything in a database. Now, I've recently been introduced to Node.js and I'm curious as to if it would be a good fit for the backend here. Granted I could easily build something to test this. But since I haven't fully grasped the async-methology I would really like someone with experience to explain it to me.

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• Securing Facebook

  - by Promather

  Probably like most of you, I am concerned about the privacy of Facebook. Some people suggested that I use the HTTPS address instead. Unfortunately, many links in the HTTPS page itself link back to HTTP. So I am wondering whether it is possible in Ubuntu to redirect any request to: http://www.facebook.com/ to https://www.facebook.com/ This way I feel safer. If you also know the solution for Windows, it might be great to share (probably as a comment to my question rather than answer, as this forum is supposed to be for Ubuntu) so that I can share it with friends.

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• .htaccess two different rules but only one per time

  - by dragon112

  I'm rather new to the whole .htaccess thing and I'm using the following right now to use 'pretty url's': <IfModule mod_rewrite.c> RewriteEngine On RewriteCond %{REQUEST_FILENAME} !-d RewriteCond %{REQUEST_FILENAME} !-f RewriteRule ^(.*)$ index.php?path=$1 [NS,L] </IfModule> Now i found my website a bit slow and decided to start gzipping my CSS files thru a php script I found somewhere on the web (the website). For this to work I need to rewrite the url to open the correct php file. That would look something like this: RewriteRule ^(.*).css$ /csszip.php?file=$1.css [L] But I only want the first to happen when the second doesn't and vice versa. In other words i'd like something like this: <IfModule mod_rewrite.c> RewriteEngine On if request doesn't contain .css do RewriteCond %{REQUEST_FILENAME} !-d RewriteCond %{REQUEST_FILENAME} !-f RewriteRule ^(.*)$ index.php?path=$1 [NS,L] else do RewriteRule ^(.*).css$ /csszip.php?file=$1.css [L] </IfModule> Can anyone help me with the proper code or a place where i can find a way to use some kind of conditional statement in htaccess files? Thanks in Advance!:)

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• Cloud proxying service

  - by ChristopherJ

  I have an app that mashes up images from Bing image search, it's hosted on Heroku written in rails. The app is client side in javascript, so the mashup is done on an html5 canvas - this means though that if I fetch the images direct from the Bing server, the canvas gets dirty and I can't save it. As a quick work around, i have set up a route on my rails app that simply proxies the request to Bing and passes the result back through. Obviously this is a very poor performance solution and will eat up my dynos very quickly. Can anyone suggest a more suitable option? At the moment I'm thinking maybe Amazon EC2 with apache mod_rewrite rules would be better performing and more cost effective. Is there a cloud service (or an app I could deploy to a cloud service) that would be more appropriate for proxying requests for me so that my javascript can fetch the images without dirtying the canvas?

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• Google Scholar Realted Question

  - by Art

  I have just requested Google Scholar to use my web site for collecting papers from my personal web site: http://cs.uic.edu/~asmirnov/publications.html I was wondering if I did everything right: I submitted a request on the form provided on scholar web site I published the papers in PDF on my web site Is there anything else needed for Google to index my web site? Other questions are: 1. The first paper (link to it) is not to just paper, but to the whole issue. 2. Are there any tages to be added on my web site, if so, then which and how do I add them? 3. What are those exporting options available on google scholar web site and how do they work? Thank you very much for being patient with me and my questions as well.

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• Getting started with SOAP [closed]

  - by EmmyS

  A site I developed has a new requirement to get weather data from the National Weather Service. They have quite a bit of info on how to use SOAP to get their data and display it in the browser, but what we need to do is use a cron job to get the data at specific intervals, then parse the data out into a database. I have no problem writing PHP code that will run an XSLt and parse xml records out into SQL queries, but I have no idea how to handle this with SOAP (which I've never worked with.) Do I get the data via a SOAP request, save it to an XML file on my web server, then run the XSLt against that? Or is there some other way to go about this?

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• Initiating processing in a RESTful manner

  - by tom

  Let's say you have a resource that you can do normal PUT/POST/GET operations on. It represents a BLOB of data and the methods retrieve representations of the data, be they metadata about the BLOB or the BLOB itself. The resource is something that can be processed by the server on request. In this instance a file that can be parsed multiple times. How do I initiate that processing? It's a bit RPC like. Is there best practice around this? (First time on programmers. This is the right place for this sort of question, right?)

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• 3D Mesh Collision Help

  - by BlackAfricano

  I am new to XNA (I have only been working in it for a countable number of weeks) as well as to these forums (I have only made 1-2 other posts), so this may seem like a strange request, but I am wondering if anybody knows about more advanced collision in XNA. So far I have only been able to figure out BoundingSphere's which seem to be the simplest of the methods, and I was thinking of looking more into BoundingBoxes because the game I have is a 2-3D platformer. The problem I realized was that if I wanted to get any more advanced than stages in the shape of a box, I would face some immediate dilemmas. I was hoping somebody here was knowledgeable on the subject and could inform me where I could get started learning how to do something like this: https://www.youtube.com/watch?v=ekMD_Gtt8d4 Although the game in this video isn't very pretty, the mesh collision looks like what I'm looking for. I am hoping for the most complete solution, if possible.

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• Database Context and Singleton injection with IoC

  - by zaitsman

  All of the below relates to a ASP.NET c# app. I have a Singleton Settings MemoryCache that reads values from database on first access and caches these, then invalidates them using SQL Service Broker message and re-reads as required. For the purposes of standard controllers, i create my Db Context in a request scope. However, this obviously means that i can't use the same context in the Settings Cache class, since that is a singleton and we have a scope collision. At the moment, i ended up with two db contexts - the Controllers get it via IoC container, whereas a Singleton just creates it's own. However, i am not satisfied with this approach (mostly due to the way i feel about two contexts, the cache doesn't set anything on the db hence concurrency is not an issue as much). What is a better way to do it?

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• The life saver HttpContext.Current.Items["ParameterName"]

  - by MoezMousavi

  I got stocked passing parameter to one master page for some reasons, seems the page lifecycle and dynamic loading of the master pages has got some issues with defining public properties in the masterpage within my project. It did not set my values and as a result, properties became useless. A collegue just mentioned using HttpContext. have a look what  MSDN saying "Encapsulates all HTTP-specific information about an individual HTTP request" http://msdn.microsoft.com/en-us/library/system.web.httpcontext.aspx HttpContext.Current.Items["ParameterName"] Also, Page.Items could do the same thing. Page.Items, "Gets a list of objects stored in the page context" http://msdn.microsoft.com/en-us/library/system.web.ui.page.items.aspx as your master page and content page are rendered as a single document anyway.

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