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• Can you Export/Import Flex (4) Data Services?

  - by mkraken

  Flex newb here. I'm working in flashbuilder 4 (flex4?), and am being asked to create the client-side data services integration 'layer' in a flex app. There is another team working on the actual UI/Presentation. Both parts must be deployed in a single swf. If I use the data/services wizard to build out my service connections (and generate the ActionScript), is it possible to export these 'connections' so that they can easily be imported into another project? Or must they be defined through the wizard all over again? The other team wants to be able to see the connections appear in the new project's Data/Services inspector (IDE Tab). Thanks!

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• What is the simplest, but solid, interface from WinForms to a SQL Server database?

  - by Greg

  Hi, If I wanted to have my data in SQL Server, but wanted to use a thick client WinForms application for users, what would be the best practice way to have calls occurring from WinForms to database? And how simple is this? I guess I'm trying to gauge to what extent there are issues with this approach and one needs to go for some (a) middle tier with web services, or (b) have to go asp.net or something. I really just have a simple app that needs a database and I'll only have a 10 - 30 clients on a LAN/WAN network that would be connecting in.

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• Steps needed to install a PHP application (Mantis) on Windows Home Server - How please?

  - by Brian Frost

  I'm using Windows Home Server and have already managed to install SVN on it to allow me to use Tortoise SVN on client PC's sharing a repository on the server via SVN's service and port. I'd now like to install a bug tracker hosted on this server. I'm not fussy about which one but I saw Mantis - which is a PHP application and looks ok for my purpose. This is where I get weak on such stuff - what steps do I need to do to install and configure PHP (and presumably MySql to get mantis working? It is an http application. As an alternate answer, I'd be happy to use another - more easily installed - bug tracker that has a server service and a port of its own. I'll appreciate any comments.

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• How to learn to program C the right way

  - by sfactor

  i have been programming in C/C++ for my academic courses a lot and was under the impression i had a pretty good grasp of it. but lately i had to work in a bluetooth application that had a server and client implementation in a Linux box and an embedded system. i learned bluez bluetooth API, socket/network programming and coded it. however i ran into a lot of problems with memory leaks and segmentation faults and other memory related errors along the way.as the code grew more complex i all but lost control of the pointers and threads and sockets. this got me wondering that i had a lot to learn that they didn't say in the basic C/C++ books. so i wanted to ask for the resources that are available that'll help be code better in a professional way in C/C++ .especially for the Linux/Mac environment (gcc compiler).

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• unable to install mysql completely on debian 5.0

  - by austin powers

  hi, its been a couple of days that I'm trying to install mysql on my vps which has debian 5.0 with 256mb ram. I've installed webmin also. here is the symptoms : after installing mysql using either webmin or apt-get I am trying to connect to mysql for changing root password but every time I cope with this error : ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES) so I start to investigate and I understand there is no root user inside mysql database when I use : UPDATE user SET password=PASSWORD('newpassword') WHERE user="root"; it says 0 row affected I reinstall mysql for several times but the same problem still exits. please help me how can I install mysql-server as well as mysql-client correctly. regards.

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• Programatically determining maximum transfer rate

  - by dauphic

  I have a problem that requires me to calculate the maximum upload and download available, then limit my program's usage to a percentage of it. However, I can't think of a good way to find the maximums. At the moment, the only solution I can come up with is transfering a few megabytes between the client and server, then measuring how ling the transfer took. This solution is very undesirable, however, because with 100,000 clients it could potentially result in too much of an increase to our server's bandwidth usage (which is already too high). Does anyone have any solutions to this problem?

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• Long polling with NSURLConnection

  - by pix0r

  I'm working on an iPhone application which will use long-polling to send event notifications from the server to the client over HTTP. After opening a connection on the server I'm sending small bits of JSON that represent events, as they occur. I am finding that -[NSURLConnectionDelegate connection:didReceiveData] is not being called until after I close the connection, regardless of the cache settings I use when creating the NSURLRequest. I've verified that the server end is working as expected - the first JSON event will be sent immediately, and subsequent events will be sent over the wire as they occur. Is there a way to use NSURLConnection to receive these events as they occur, or will I need to instead drop down to the CFSocket API? I'm starting to work on integrating CocoaAsyncSocket, but would prefer to continue using NSURLConnection if possible as it fits much better with the rest of my REST/JSON-based web service structure.

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• What are some best practices for making sure your .NET code will scale well?

  - by billmaya

  Last week I interviewed for a position at a TripleA MMORPG game company here in NE. I didn't get the job but one of the areas that came up during the interview was the about the scalability of the code that you write and how it should be considered early on in the design of your architecture and classes. Sadly to say I've never thought very much about the scalability of the .NET code that I've written (I work with single user desktop and mobile applications and our major concerns are usually with device memory and rates of data transmission). I'm interested in learning more about writing code that scales up well so it can handle a wide range of remote users in a client server environment, specifically MMORPGs. Are there any books, web sites, best practices, etc. that could get me started researching this topic?

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• Looking for some help with GWT/Derby in Eclipse

  - by Ricky

  I'm attempting to learn AJAX via this site. I've made it down to the section where it says "you must put the code in the onModuleLoad()" (right above listing 4). I found two areas in my Eclipse project that mention onModuleLoad(): slicr.java and the actual EntryPoint.class file in the gwt-user.jar/com.google.gwt.core.client package. When I try to add the contents of listing for to slicr.java, I get tons of cannot be resolved to a type errors and I cant add anything to EntryPoint.class as it appears to be locked from editing. I really appreciate any help someone could give me!

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• chained msi's/Bootstrapper/prerequisite?

  - by MzTyla

  I have a few component msi packages that need to installed together to form the end application. The problem is: the components that make up the package can be updated and the component relaunched on the http file server.What approach should i take? The installer that i am writing is the 'master' installer. Which needs to be able to read what version of each component is installed on ther client machine in order to perform an upgrade only on that one component. Also if the application is installed for the first time the installer will download and install all required components. I am using Installshield 2009. I have looked into chained MSI's but the master installer is empty. as it needs to be as lightweight as possible. I have no idea how to write a bootstrapper application and my company perfers that i use installshield to write the installer. I have researched - and apparently pre-requisites are not meant to be uninstalled.

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• In java getting different value for TimeZone.getDefault().getID() on different system

  - by Deepak Chaudhry

  I am getting different value for TimeZone.getDefault().getID() on different systems. For example, in case of Indian standard time, On one of the system we are getting "GMT+5:30": while on another we are getting "Asia/Calcutta". We are expected to get "Asia/calcutta" strings on all machines. Why is there an inconsistency for such behavior? Is there any way to get consistent behavior across different systems windows/MAC? What is the best way to get client time zone programmatically using Java?

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• getRequestProperty("Authorization") always returns null

  - by Thilo

  I am trying to read the authorization header for an HTTP request (because I need to add something to it), but I always get null for the header value. Other headers work fine. public void testAuth() throws MalformedURLException, IOException{ URLConnection request = new URL("http://google.com").openConnection(); request.setRequestProperty("Authorization", "MyHeader"); request.setRequestProperty("Stackoverflow", "anotherHeader"); // works fine assertEquals("anotherHeader", request.getRequestProperty("Stackoverflow")); // Auth header returns null assertEquals("MyHeader", request.getRequestProperty("Authorization")); } Am I doing something wrong? Is this a "security" feature? Is there a way to make this work with URLConnection, or do I need to use another HTTP client library?

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• Calling a void async. - Event based pattern, or another method?

  - by alex

  I have a class that basically stores files in amazon s3. Here is what it looks like (simplified) public class S3FileStore { public void PutFile(string ID, Stream content) { //do stuff } } In my client app, I want to be able to call: var s3 = new() S3FileStore(); s3.PutFile ("myId", File.OpenRead(@"C:\myFile1")); s3.PutFile ("myId", File.OpenRead(@"C:\myFile2")); s3.PutFile ("myId", File.OpenRead(@"C:\myFile3")); I want this to be an asynchronous operation - I want the S3FileStore to handle this (i don't want my caller to have to execute PutFile asynchronously so to speak) but, i want to be able to trap exceptions / tell if the operation completed for each file. I've looked at event based async calls, especially this: http://blogs.windowsclient.net/rendle/archive/2008/11/04/functional-shortcuts-2-event-based-asynchronous-pattern.aspx However, I can't see how to call my PutFile (void) method? Are there any better examples?

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• Consuming WCF from BizTalk 2006r1

  - by Rob Bowman

  Hi I need to create an Orchestration in BizTalk 2006r1 that will consume a WCF basicHTTP web service. Does anyone have a pointers on how to do this please? The WCF service has been created by another team but I am able to request that they create an additional endpoint with binding configuration set to make calling from BizTalk SOAP adapter possible. I just created a simple test basicHTTP service that runs fine when tested from a command line client. When I got to BizTalk add web reference I am able to browse to the service but then get a message "Failed to add web reference" and it bombs out! Any help gratefully received. Thanks Rob.

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• Wordpress slideshow plugin with scrollbar, autoplay and lightbox

  - by user350276

  I have been asked to build a portfolio website for a photographer. The main page contains a slideshow of the photographer's best work, I have used an autoplaying NextGEN SmoothGallery with Lytebox. After some customization of the plugin, this works. However, the client has requested a category selection above the main slideshow and a scrollbar below the image. They also want part of the previous and next images to be visible, not just the image in focus. The image here illustrates what I mean. I have searched and searched, but cannot find a plugin that would do this. Can anybody help, please?

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• Running a python script in background from a CGI

  - by Cagey

  I have a python CGI which runs some script in the background and shows the stdout in the html page. I run the script when the user clicks some button in the page. My problem is when the script starts running the page becomes busy and the user can't use the other client side features in the page. What I want is: The script should run in background when the user clicks the button and should notify the CGI when run is complete. Then the CGI show should the stdout of the script run. How can this be done?

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• creative way for implementing Data object with its corresponding business logic class in java

  - by ekeren

  I have a class that need to be serialized (for both persistentcy and client-server communication) for simplicity's sake let's call the classes Business a BusinessData and I prefix for their Interfaces. All the getter and setter are delegated from Business class to BusinessData class. I thought about implementing IBusinessData interface that will contain all the getter and setters and IBusiness interface that will extend it. I can either make Business extend BuisnessData so I will not need to implement all getter and setter delegates, or make some abstract class ForwardingBusinessData that will only delegate getter and setters. Any of the above option I lose my hierarchy freedom, do any of you have any creative solutions for this problem... I also reviewed DAO pattern: http://java.sun.com/blueprints/patterns/DAO.html

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• jaxb unmarshal problem

  - by Hoax

  private JAXBContext jaxbContext; private Marshaller marshaller; private Unmarshaller unmarshaller; private PoiList db; public XMLHandler() { try { JAXBContext.newInstance("x.y.shared"); } catch (JAXBException e) { e.printStackTrace(); } } public PoiList readXML() { try { unmarshaller = jaxbContext.createUnmarshaller(); unmarshaller.setEventHandler(new XMLValidEventHandler()); db = (PoiList) unmarshaller.unmarshal(new File("src/source.xml")); } catch (JAXBException e) { e.printStackTrace(); } return db; } gets me this Exception in thread "main" java.lang.NullPointerException at com.sem.server.XMLHandler.readXML(XMLHandler.java:32) at sem.server.testDataAPI.main(testDataAPI.java:13) Line 32 in this case is the jaxbContext.createUnmarshaller() Line. packages are x.y.client x.y.server (includes the XMLHandler) x.y.shared (includes jaxb generated classes) not really sure what the problem is. any help is appreciated!

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• Implement a WebDAV server in C#?

  - by HaukurHaf

  We've got a CMS system written in .NET C#. This system has editing facilities for templates (essentially HTML files) and various other support files such as CSS and javascript files. These "files" are not really files, but database records and they are edited using plain old textareas within the CMS system. To make editing these "files" easier, on idea was to implement WebDAV support in the CMS system for these files, so users could use some WebDAV client software to connect to the CMS and then open these in VS 2008 for example. Firstly, is this a feasible idea? Secondly, if so ... where do start? Any good articles out there about implementing a WebDAV server in C# to provide access to either physical documents or "pseudo" documents which are in reality just records in a database? Any input appreciated ....

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• How to make a remote connection to a MySQL Database Server?

  - by MLB

  Hello: I am trying to connect to a MySQL database server (remote), but I can't. I am using an user with grant privileges (not root user). The error message is the following: Can't obtain database list from the server. Access denied for user 'myuser'@'mypcname' (using password: YES) "myuser" is an user I created with grant access. This user allows me to connect locally to every database. I am using the same software versions in both hosts: MySQL Server 4.1 (server) and EMS SQL Manager 2005 for MySQL, edition 3.7.0.1 (client). The point is that I need to connect to the remote server using a different user, not root user. So, how to make the connection? Thanks.

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• What is the preferred way to associate css styles with GWT widgets (using UiBinder)?

  - by smallbec

  From the GWT page (http://code.google.com/webtoolkit/doc/latest/DevGuideUiCss.html#cssfiles), it mentions 2 ways (for modern application): Using a CssResource contained within a ClientBundle. Using an inline element in a UiBinder template. Modern GWT applications typically use a combination of CssResource and UiBinder. So my question is, when should I use a css file and create a CssResource for it, and when should I define styles directly in the ui.xml file using <ui:style>? Are there any performance implication (i.e. resource size to download on the client) with either of these ways?

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• problem using ant move task

  - by user315228

  I have a directory structure like this client/lib a.jar b-4.3.jar c-1.2.jar d-4.3.jar e.jar I need to copy some jars without version and some with version. The only information that i have is version number, and that is stored in a variable. Problem is version number that i have in variable is 4.3.1 and version that jars have is just first two digits from the variable value (i.e. 4.3 in my case). I need all the jars that has starting two digits that my variable has and some of the jars without version. For e.g. from above directory structure i need: b-4.3.jar d-4.3.jar e.jar Can somebody please help?

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• Best cheap GUI for converting to f4v

  - by Ben

  Hi, I need to give one client the ability to convert some videos to f4v h264 before loading it up to an AIR app. I normally doing with the Adobe Media Encoder CS4 but that only ships with adobe products (you can't download it as a free standalone app - which, start rant is odd, you'd think they would push the format - Microsoft's competing expresssion encoder is free end rant) Anyway, I need to get a (hopefully not too expensive, but willing to pay for it) good 3rd part app that can take any video and convert it to an f4v. Can you suggest any? Everything i've found is horrible or jammed with ads and crap. What would you use? Any suggestion? (please don't just say ffmpeg - I know it can do it but we need to good simple GUI) Thanks!

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• Removing the email validation requirement - Login Toboggan

  - by Rob Orr

  I'm building a premium membership site where a visitor can purchase a role and gain access to the privileged content using ubercart. I've got all that working fine, but the last tiny snag that my client wants to remove is to remove the validation email requirement that's fired when someone signs up on the site in Login Toboggan (6.1.9). I've got nothing set that is forcing this extra step and I've come to believe that this may be a feature in Drupal (acquia distro 6.22) core for any user that registers. I was hoping that this module (login toboggan) would eliminate that step but I've not as of yet been able to do so. I can allow the newly registered user access by setting that in the module, but the notification and validation email requirement still remains. Can anyone recommend a way around this? I just want them to be able to come to the site purchase their membership without any validation/confirmation email. Is this possible? Thanks - Rob

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• PHP Error, is it resolvable, or a language bug?

  - by rls

  Given the following code $c= new SoapClient('http://www.webservicex.net/CurrencyConvertor.asmx?WSDL'); $usa = "USD"; $eng = "GBP"; doing a __getTypes on the client gives me Array ( [0] => struct ConversionRate { Currency FromCurrency; Currency ToCurrency; } [1] => string Currency [2] => struct ConversionRateResponse { double ConversionRateResult; } ) if i then do $calculation = $c->ConversionRate($usa, $eng); and print calculation i get an error about Catchable fatal error: Object of class stdClass could not be converted to string Is there a specific way i should be printing this out, or i it a bug, from researching / googling many people seem to have a problem but i cant find a suitbale solution, other than downgrading php, which isnt a solution for me as i am doing this as homework and its running off of a college server

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