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  • Should I integrate FedEx or UPS into my Rails app?

    - by MikeH
    I'm working on integrating a shipping solution into a Rails ecommerce app. We're only going to use one shipping provider. So the question is: FedEx or UPS? I'm wondering what Rails developers think about the tech side of this question. What do you think about the APIs, ease of integration, focus on developer's needs between FedEx and UPS? I was leaning towards FedEx, but from looking at the developers resources sections of both sites, it seems that UPS might be more developer friendly. Also, I'm going to be using Shopify's active_shipping gem: http://github.com/Shopify/active_shipping And I also based my app off the Spree Ecommerce solution, but I don't think that's particularly relevant to the question. Spree wrote a wrapper to integrate active_shipping with the Spree system. Thanks.

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  • What are your Common Magento Configuration Mistakes?

    - by Alan Storm
    If there's something that everybody hates about Magento it's endlessly configuring your modules before being able to write some code. I'm trying to collect a list of common Magento configuration errors for a future project that's I'm close to launching. I'm looking for specific examples of things like using the wrong naming convention on classnames, forgetting the <class /> wrapper when setting up grouped class names. Little things like that that drive you batty for hours until you realize your error. The more details the better!

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  • C++/CLI Mixed Mode DLL Creation

    - by Adam Haile
    I've got a native C++ DLL that I would like to have a C++/CLI wrapper layer for. From what I understood, if you simple added a C++/CLI class to the project, VS would compile as mixed mode, but I was apparently wrong as VS doesn't seem to be even touching the managed code. So, given a pre-existing native code-base what exactly, step-by-step, do you need to do to create a mixed mode DLL, so that I can can link into that code from any .NET language? *I need to do this because my native code uses C++ classes that I cannot P/Invoke into.

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  • How to calculate bandwidth limits per user on WiFi network

    - by Lars
    A typical 802.11g access point can provide around 25 Mbps of bandwidth. How is the bandwidth shared among the users? Furthermore, how many users can be served by a single access point using 802.11g in an environment with low interference, and average web activity from the users? The goal is to use bandwidth limitation to avoid starvation for some users in case some of the users start to download a file or stream HD video or some other bandwidth intensive activity. Can someone break down the math on this?

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  • Is Sony Vegas Pro 8 uable to import AC3? How to enable?!

    - by gojira666
    I am using Sony Vegas Pro 8.0b. I want to import an AVI (DivX), where the audio codec used is "0x2000 (Dolby AC3) AC3 ", according to GSpot. I later want to render this video again in another codec etc. I have done videoconversion with Vegas 8 many times and ususally do not run into any problems. However with this particular video, the audio stream simply does not show up in the track list or anywhere! There is simply no audio (the video is fine). Questions: is Sony Vegas Pro 8.0 unable to import AC3? If yes, can I make it so that it becomes able to do so and how?

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  • Linux QoS: bulk data transmission during idle times

    - by syneticon-dj
    How would I do a QoS setup where a certain low-priority data stream would get up to X Mbps of bandwidth, but only if the current total bandwidth (of all streams/classes) on this interface does not exceed X? At the same time, other data streams / classes must not be limited to X. The use case is an ISP billing the traffic by calculating the bandwidth average over 5 minute intervals and billing the maximum. I would like to keep the maximum usage to a minimum (i.e. quench the bulk transfer during interface busy times) but get the data through during idle/low traffic times. Looking at the frequently used classful schedulers CBQ, HTB and HSFC I cannot see a straightforward way to accomplish this.

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  • summer experiment: GWT & python for a trading game- arch question

    - by sadhu_
    Hi, As a summer learning experiment, I'm thinking of coding up a web front end for a trading game i wrote in python, that generates share prices and random snippets of text. I am sort of struggling with how this should work on the back-end though. I'd rather have my GWT client page interact with the python share price generator, than to try and re-code it in java. I suppose i could use an sqlite db, and then use jdbc to pick up the prices, but i was wondering if there is a better way, for me to be able to poll some python script either from my client page, or from the serverside java code ? I found this python wrapper, but i'm not sure how i could use it though: http://code.google.com/apis/visualization/documentation/dev/gviz_api_lib.html Thanks.

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  • Parsing google feed with linq to xml

    - by the_V
    Hi I'm trying to parse XML feed that I get via Google Contacts API with LINQ 2 XML. That's what feed looks like: <feed xmlns="http://www.w3.org/2005/Atom" xmlns:openSearch="http://a9.com/-/spec/opensearchrss/1.0/" xmlns:gContact="http://schemas.google.com/contact/2008" xmlns:batch="http://schemas.google.com/gdata/batch" xmlns:gd="http://schemas.google.com/g/2005"> <id>[email protected]</id> <updated>2010-06-11T17:37:06.561Z</updated> <category scheme="http://schemas.google.com/g/2005#kind" term="http://schemas.google.com/contact/2008#contact" /> <title type="text">My Contacts</title> <link rel="alternate" type="text/html" href="http://www.google.com/" /> <link rel="http://schemas.google.com/g/2005#feed" type="application/atom+xml" href="http://www.google.com/m8/feeds/contacts/myemailaddress%40gmail.com/full" /> <link rel="http://schemas.google.com/g/2005#post" type="application/atom+xml" href="http://www.google.com/m8/feeds/contacts/myemailaddress%40gmail.com/full" /> <link rel="http://schemas.google.com/g/2005#batch" type="application/atom+xml" href="http://www.google.com/m8/feeds/contacts/myemailaddress%40gmail.com/full/batch" /> <link rel="self" type="application/atom+xml" href="http://www.google.com/m8/feeds/contacts/myemailaddress%40gmail.com/full?max-results=25" /> <author> <name>My NAme</name> <email>[email protected]</email> </author> <generator version="1.0" uri="http://www.google.com/m8/feeds">Contacts</generator> <openSearch:totalResults>19</openSearch:totalResults> <openSearch:startIndex>1</openSearch:startIndex> <openSearch:itemsPerPage>25</openSearch:itemsPerPage> <entry> <id>http://www.google.com/m8/feeds/contacts/myemailaddress%40gmail.com/base/0</id> <updated>2010-01-26T20:34:03.802Z</updated> <category scheme="http://schemas.google.com/g/2005#kind" term="http://schemas.google.com/contact/2008#contact" /> <title type="text">Contact name</title> <link rel="http://schemas.google.com/contacts/2008/rel#edit-photo" type="image/*" href="http://www.google.com/m8/feeds/photos/media/myemailaddress%40gmail.com/0/O-ydnzWMJcfZWqT-6gGetw" /> <link rel="http://schemas.google.com/contacts/2008/rel#photo" type="image/*" href="http://www.google.com/m8/feeds/photos/media/myemailaddress%40gmail.com/0" /> <link rel="self" type="application/atom+xml" href="http://www.google.com/m8/feeds/contacts/myemailaddress%40gmail.com/full/0" /> <link rel="edit" type="application/atom+xml" href="http://www.google.com/m8/feeds/contacts/myemailaddress%40gmail.com/full/0/1264538043802000" /> <gd:email rel="http://schemas.google.com/g/2005#other" address="[email protected]" primary="true" /> </entry> </feed> I've tried a number of things with linq 2 sql, but they didn't work. Even this simple code snipped doesn't work: using (FileStream stream = File.OpenRead("response.xml")) { XmlReader reader = XmlReader.Create(stream); XDocument doc = XDocument.Load(reader); XElement feed = doc.Element("feed"); if (feed == null) { Console.WriteLine("feed not found"); } XElement id = doc.Element("id"); if (id == null) { Console.WriteLine("id is null"); } } Problem is that both id and feed are null here. What wrong am I doing?

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  • How can I vertically center an element with GWT?

    - by Camille
    Perhaps I haven't been searching the right way but I cannot figure out for the life of me how to center an element using GWT Layout Panels. I'm using UiBinder and I've tried all panels that implement HasVerticalAlignment (DockPanel, HorizontalPanel, VerticalPanel). None of them seem to have any impact from setting vertical alignment (or even horizontal). I've made sure they're taking 100% width and height, inspected the resulting DOM layout from my browser and nothing seems to be changed from those properties. The quick and dirty fix I've figured out is to create my own "CenterPanel" widget which basically is a wrapper around a HTMLPanel with a HTML table with a valign="middle" cell. However, this basically feels like a throwback to the classical css-layout middle centering problems. Surely GWT has something to do this that I've completely overlooked?

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  • Custom HTTP Request headers in HTML

    - by matsko
    Does anyone know if its possible to send out custom http REQUEST headers in HTML without having to use javascript (no xhr wrapper). Would it be possible to define them as meta tags within the head? Or may they be defined in the form somewhere? <meta http-equip="x-something-custom" name="custom value" /> this works, however, this is a RESPONSE header. What I need to set a REQUEST header. I'm not looking for setting hidden fields in forms, but actual raw http header manipulation with html tags. Is this possible?

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  • EXC_BAD_ACCESS when trying to release an ABRecordRef

    - by synic
    I've got the following class that is a wrapper around an ABPerson (ABRecordRef): @interface Recipient : NSObject { ABRecordRef person; } - (id)initWithPerson:(ABRecordRef)person; @end @implementation - (id)initWithPerson:(ABRecordRef)_person { if(self = [super init]) person = CFRetain(_person); return self; } - (void)dealloc { if(person) CFRelease(person); [super dealloc]; } @end I've left some of the methods out, but they aren't relevant to this question. Everything works fine, except I get an EXC_BAD_ACCESS on the if(person) CFRelease(person); line. Why does this happen? I'm not calling CFRelease or CFRetain at all anywhere else in my app.

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  • Stub web calls in Scala

    - by Dennis Laumen
    I'm currently writing a wrapper of the Spotify Metadata API to learn Scala. Everything's fine and dandy but I'd like to unit test the code. To properly do this I'll need to stub the Spotify API and get consistent return values (stuff like popularity of tracks changes very frequently). Does anybody know how to stub web calls in Scala, the JVM in general or by using some external tool I could hook up into my Maven setup? PS I'm basically looking for something like Ruby's FakeWeb... Thanks in advance!

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  • What if a computer with Ethernet

    - by George Nixon
    I'm just revising for an exam on Networks and Data Communications, and there's one thing I don't get about CSMA/CD and Ethernet. It's supposed to be fairly stable, for instance if a computer drops out of the network, it's not a problem like it might be in a token ring network (I think). But Ethernet works by all the other computers waiting for the currently transmitting computer to finish what it's doing, and then the others use CMSA/CD to determine who goes next. What if one computer malfunctioned and kept sending a continuous stream of data in an infinite loop? In fact, is there a standard time for pcs to transmit before they yield to others?

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  • Have an iPad's viewable area visible on your computer monitor for remote web-meeting training?

    - by MikeN
    I want to demo the usage of my iPad on my computer screen so that I can transmit it to other people during a training session using a web conference tool (like dimdim.com, gotomeeting.com, fuzemeeting.com, etc...) Is there a way to stream an iPad's display to a computer so it would be visible in such a screen casting software? My current ad-hoc solution for this would be to use a webcam to livecast me using a physical (real life) iPad and broadcast that to other users for training. This is undesirable due to the difficulty in really seeing the iPad well. So I'm hoping someone has a way to do: 1) Video output the iPad's display to my computer screen. 2) Emulate an iPad with a installed app (not having the source code) on the screen.

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  • NGINX downloads text file instead of displaying it

    - by Hoang Lam
    I have Nginx installed with the following nginx.conf: user nginx; worker_processes 1; error_log /var/log/nginx/error.log; pid /var/run/nginx.pid; events { worker_connections 1024; } http { include /etc/nginx/mime.types; log_format main '$remote_addr - $remote_user [$time_local] "$request" ' '$status $body_bytes_sent "$http_referer" ' '"$http_user_agent" "$http_x_forwarded_for"'; access_log /vagrant/access.log main; sendfile on; keepalive_timeout 65; include /etc/nginx/conf.d/*.conf; } Everytime I tried the URL of any text files (not PHP, it works fine), the browser asks to download it. Common measure such as disabling default-type octet/stream fails.

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  • how to wrap a function that only takes individual elements to make it take a list

    - by stevejb
    Hello, Say I have a function handed to me that I cannot change and must use as is. This function takes several objects in the form of oldFunction( object1, object2, object3, ...) where ... are other arguments. I want to write a wrapper to take a list of objects. My idea was this. sjb.ListWrapper <- function(myList,...) { lLen <- length(myList) myStr <- "" for( i in 1:lLen) { myStr <- paste(myStr, "myList[[", i , "]],",sep="") } myCode <- paste("oldFunction(", myStr, "...)") eval({myCode}) } However, the issue is that I want to use this from Sweave and I need the output of oldFunction to be printed. What is the right way to do this? Thanks.

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  • PHP Dynamic include based on current file path

    - by Adrian M.
    Hello, I want to find a method to include some files based on the current file path.. for example: I have "website.com/templates/name1/index.php", this "index.php should be a unique file that I will use in many different directories on different depths, so I want to make the code universal so I don't need to change anything inside this file.. So if this "index.php" is located in "website.com/templates/name1/index.php" than it should include the file located here: "website.com/content/templates/name1/content.php" another example: "website.com/templates/name2/index.php" than it should include the file located here: "website.com/content/templates/name2/content.php" Also I want to overrun "*Warning: include_once() [function.include-once]: http:// wrapper is disabled in the server configuration by allow_url_include=0*" kind of error.. because is disabled and unsafe.. Is there a way to achieve this? Thank you!

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  • PHP include_path doesn't work

    - by 50ndr33
    I have the documents at http://www.example.com/ in /home/www/example.com/www running on Debian Squeeze. /home/www/example.com/ www/ index.php php/ include_me.php In the php.ini I've uncommented and changed to: include_path =".:/home/www/example.com" In a script index.php in www, I have require_once("/php/include_me.php"). The output I am getting from PHP is: Warning: require_once(/php/include_me.php) [function.require-once]: failed to open stream: No such file or directory in /home/www/example.com/www/index.php on line 2 Fatal error: require_once() [function.require]: Failed opening required '/php/include_me.php' (include_path='.:/home/www/example.com') in /home/www/example.com/www/index.php on line 2 As you can see, the include-path is set correctly according to the error. But if I do require_once("../php/include_me.php");, it works. Therefore, something has to be wrong with the include-path. Does anyone know what I can do to fix it?

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  • Need personal music collection streaming solution

    - by purpler
    I used to use Opera and it's built in media server feature for some time and it both worked and looked really well. It's dead now and i'm in search of a decent audio streaming solution (Windows 8) to be able to stream my music collection via http to work or whatever.. I tried couple of PHP scripts but they all looked really awful, also, tried couple of solutions mentioned here at Superuser but i wasn't really satisfied.. I tried vibestreamer as well and while it looks really nice i'm not really into installing it as an application. I've set up an WAMP server which i intend to use in this purpose. I'd be mostly satisfied with a way to browse my collection folders and pick the one i want to play, no playlists and various sorting features a la iTunes. Any suggestions? Thanks

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  • Python and urllib2: how to make a GET request with parameters

    - by Infinity
    I'm building an "API API", it basically a wrapper for a in house REST web service that the web app will be making a lot of requests to. Some of the web service calls need to be GET rather than post, but passing parameters. Is there a "best practice" way to encode a dictionary into a query string? e.g.: ?foo=bar&bla=blah I'm looking at the urllib2 docs, and it looks like it decides by itself wether to use POST or GET based on if you pass params or not, but maybe someone knows how to make it transform the params dictionary into a GET request. Maybe there's a package for something like this out there? It would be great if it supported keep-alive, as the web server will be constantly requesting things from the REST service. Thanks!

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  • JSP package problems

    - by Taylor
    Hi, I had all my servlets and classes in the default package. I have created these and JSP's and its all working fine. However i want to import some of the classes into the JSP's so i moved all the classes and servelts into a new package called Driver. I did not change any code anywhere, just moved it into a new package. The application compiles just fine. Now i cant seem to access any of my classes or servlets, any ideas? javax.servlet.ServletException: Wrapper cannot find servlet class Driver.viewTrip or a class it depends on

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  • Re-binding an ajaxForm after content re-loads with ajax (jQuery 1.4.2)

    - by Cristian
    I'm trying to figure out why this is a problem when using jQuery 1.4.2 and not 1.3.2. This is my function: function prepare_logo_upload() { $("#logo-upload-form").ajaxForm({ //alert(responseText); success: function(responseText) { //alert(responseText); $('#profile .wrapper').html(responseText); prepare_logo_upload(); } }); } Every other live event works but can't use the .live() method because ajaxForm is a plugin. I have noticed this also for other types of binding (clicks) using the old form (re-binding after callback) Can you tell me if it is a way of solving this? This is a similar question, but due to my newbie reputation here, can't comment or ask a question there, so I'll ask a new one here. - http://stackoverflow.com/questions/2208880/jquery-bind-ajaxform-to-a-form-on-a-page-loaded-via-load Thank you!

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  • Sound card problem, no audio device detected

    - by Paul
    I bought a new sound card because my built in sound card did not function. When I open YouTube, Media Player or anything that can create a sound my computer will hang up and sometimes when I start my computer it will hang when the Windows XP sound will activate. Update: My computer has no audio. It says NO AUDIO DEVICE. I already installed Realtek AC97 and Realtek High Definition Audio Driver and I also pasted stream.dll to the Windows and system32 folders and I restarted my computer but it still says NO AUDIO DEVICE. Please help me. Thanks

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  • got a question about Linked-List in java code.

    - by glacier89
    Linked-List: Mirror Consider the following private class for a node of a singly-linked list of integers: private class Node{ public int value; public Node next; } A wrapper-class, called, ListImpl, contains a pointer, called start to the first node of a linked list of Node. Write an instance-method for ListImpl with the signature: public void mirror(); That makes a reversed copy of the linked-list pointed to by start and appends that copy to the end of the list. So, for example the list: start 1 2 3 after a call to mirror, becomes: start 1 2 3 3 2 1 Note: in your answer you do not need to dene the rest of the class for ListImpl just the mirror method.

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  • Able to ping but does not get the data

    - by Dany
    I am facing a problem in my client server program; when using wireless I can ping but not receive any data. There is a source which receives a streaming request from client via server. This works fine when all the machines are connected through LAN cable but when I put all the computers in wi-fi network, all the machine are able to ping each other but when the client send the stream request to the server the ping request between server and client says destination unreachable. It works all well until the client does not send the streaming request. What might be the issue?

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