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• How to evaluate "enterprise" platforms?

  - by Ran Biron

  Hi all, I'm tasked with evaluating an "enterprise" platform for the next-gen version of a product. We're currently considering two "types" of platforms - RAD (workflow engine, integrated UI, small cores of "technology plugins" to the workflows, automatic persisting of state...) like SalesForce.com / Service-Now.com and "cloud based" (EC2 / AppEngine...). While I have a few ideas on where to start, I'd like your opinions - how would you evaluate platforms for an enterprise suite of products? What factors would you consider? How would you eliminate weak options quickly enough to be able to concentrate on the few strong ones? Also interesting is how would you compare enterprise RAD (proven technology, quick to develop - but tends to look "the same as the competition") to cloud-based technology (lots of "buzz", not that many competitors - easy to justify to management, but probably lacking (?) enterprise tools and experience). As said before - I have a few ideas, but would like to see some answers before I post mine so I wouldn't drive the discussion to a specific place. RB.

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• Is there a way to reference a certain class/interface/... by enclosing it with its namespace rather than a using directive "using namespace_name" ?!

  - by Ahmed

  Is there a way to reference a certain class/interface/... by enclosing it with its namespace rather than a using directive "using namespace_name" ?! As, I'm working on a website, which uses SAP .NET connector. I already added a reference for connector ddl, and while referencing its namespace "using namespace_name", or set class namespace to another one rather than connector namespace, I got error regarding connector classes with that error message "The type or namespace couldn't be found, are you missing a using directive or an assembly reference?". But while changing namespace name to connector namespace, everything is going well?! // Set namespace to be IDestinationConfiguration interface namespace. namespace SAP.Middleware.Connector { public class ConnectorConfiguration : IDestinationConfiguration { } } So, connector types forced me to set namespace of class to their namespace! Is this possible? If so, how?

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• How can I bind dynamic data to DataGridTemplateColun in code?

  - by TuomoT

  I'm using DataGrid from CodePlex. I have objects (ICustomTypeDescriptor) that have properties 'name' 'description' 'c' 'd' and so on (the names are dynamic, and so is the value) and they have information behind them. I have templates for different types. And if I have to list the properties of a single element I can just bind to the values in xaml and use datatemplateselector (in datagridtemplatecolumn) which will pick the correct template. However, when I'm listing several of the elements, how can I use the selectors and the templates? How do I get the correct property bound to the template (two-way)? When ignoring the need for different templates, using DataGridTextColumn with bindings is very simple (and works, see example below), is there any way to use similar approach with the DataGridTemplateColumn? foreach (String propertyName in listOfPropertyNames) { DataGridTextColumn textColumn = new DataGridTextColumn() { Header = propertyName, Binding = new Binding() { Path = new PropertyPath(propertyName) } }; DataGrid.Columns.Add(textColumn); }

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• gwt - Using List<Serializable> in a RPC call?

  - by Garagos

  I have a RPC service with the following method: public List<Serializable> myMethod(TransactionCall call) {...} But I get a warning when this method is analyzed, and then the rpc call fails Analyzing 'my.project.package.myService' for serializable types Analyzing methods: public abstract java.util.List<java.io.Serializable> myMethod(my.project.package.TransactionCall call) Return type: java.util.List<java.io.Serializable> [...] java.io.Serializable Verifying instantiability (!) Checking all subtypes of Object wich qualify for serialization It seems I can't use Serializable for my List... I could use my own interface instead (something like AsyncDataInterface, wich implements the Serializable interface) but the fact is that my method will return a list custom objects AND basic objects (such as Strings, int....). So my questions are: Is it a standart behaviour? (I can't figure out why I can't use this interface in that case) Does anyone have a workaround for that kind of situation?

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• What structure of data use to communicate via tcp/ip in java?

  - by rmaster

  Let's assume I want to send many messages between 2 programs made in java that use TCP sockets. I think the most convienient way is to send objects like: PrintStream ps = new PrintStream(s.getOutputStream()); ObjectOutputStream oos = new ObjectOutputStream(ps); some_kind_of_object_here; oos.writeObject(some_kind_of_object_here); ps.print(oos); I want to send, strings, numbers, HashMaps, boolean values How can I do this using fx 1 object that can store all that properties? I though about ArrayList that is serializable and we can put there everything but is not elegant way. I want to send different types of data because user can choose from a variety of options that server can do for it. Any advices?

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• How can I consume a WSDL (SOAP) web service in Python?

  - by DavidM

  I want to use a WSDL SOAP based web service in Python. I have looked at the Dive Into Python code but the SOAPpy module does not work under Python 2.5. I have tried using suds which works partly, but breaks with certain types (suds.TypeNotFound: Type not found: 'item'). I have also looked at Client but this does not appear to support WSDL. And I have looked at ZSI but it looks very complex. Does anyone have any sample code for it? The WSDL is https://ws.pingdom.com/soap/PingdomAPI.wsdl and works fine with the PHP 5 SOAP client.

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• Store database, good pattern for simultaneous access

  - by dygi

  I am kinda new to database designing so i ask for some advices or some kind of a good pattern. The situation is that, there is one database, few tables and many users. How should i design the database, or / and which types of queries should i use, to make it work, if users can interact with the database simultaneously? I mean, they have access to and can change the same set of data. I was thinking about transactions, but I am not sure, if that is the right / good / the only solution. I will appreciate some google keywords too.

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• Drupal node reference

  - by Nikunj Kotecha

  I am using two content types - test_parent & test_child In test_child there are two fields, both of type datetime And in test_parent there are two fields, week_no & 7 node references I am using node_save to save a new node. After saving a node of parent type, and then saving the node of child type, i want to update the node it into the parent type. I have completed creation of both nodes from code, and also i am able to update nid in parent type from code. The problem is, the change in db is getting reflected in db but not on drupal node view. Even if i edit the node from drupal, it's showing -none- selected in node reference. Please help.

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• Where to put WPF specific code when using MVVM

  - by Surfbutler

  I'm just getting up to speed on MVVM, but all the examples I've seen so far are binding View controls to simple non-WPF specific data types such as strings and ints. However in our app I want to be able to set a button's border brush based on a number in the Model. At the moment, I translate the number into a brush in the ViewModel to keep the View XAML only, but is that right? I don't like putting WPF specific code in the ViewModel, but equally I don't like the idea of putting code-behind on my View panel. Which is the best way? Thanks

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• Is it possible to have SNMP Agent without MIB’s support??

  - by Divya mohan Singh

  hii, i am working on SNMP from last few days,i have develope a small application(SNMP Agent) which * Run on 161 port. * Have a tree structured OID support. * Respond to all Get,GetNext,Set Pdu Request types. * Tested with some SNMP Managers(free available) by get and set the values of the OID's. BUT,now question is when i tried it with Cacti it will not respond anything,but detect windows snmp service..it just respond to the requests of the SNMP Managers. So,Is it mandatory to provide mib with SNMP Agent??.

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• Is a switch statment ok for 30 or so conditions?

  - by DeanMc

  I am in the final stages of creating an MP4 tag parser in .Net. For those who have experience with tagging music you would be aware that there are an average of 30 or so tags. If tested out different types of loops and it seems that a switch statement with Const values seems to be the way to go with regard to catching the tags in binary. The switch allows me to search the binary without the need to know which order the tags are stored or if there are some not present but I wonder if anyone would be against using a switch statement for so many conditionals. Any insight is much appreciated.

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• How do I map repeating columns in NHibernate without creating duplicate properties

  - by Ian Oakes

  Given a database that has numerous repeating columns used for auditing and versioning, what is the best way to model it using NHibernate, without having to repeat each of the columns in each of the classes in the domain model? Every table in the database repeats these same nine columns, the names and types are identical and I don't want to replicate it in the domain model. I have read the docs and I saw the section on inheritance mapping but I couldn't see how to make it work in this scenario. This seems like a common scenario because nearly every database I've work on has had the four common audit columns (CreatedBy, CreateDate, UpdatedBy, UpdateDate) in nearly every table. This database is no different except that it introduces another five columns which are common to every table.

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• Reporting / BI Framework for social websites

  - by Ryan

  I'm looking for ideas / open source frameworks to use for creating individual Analytics for user profiles and all the other profile types. Users will have different custom metrics, businesses willl have seperate metrics, the admin section will have seperate, Advertises will have seperate, etc. So basically the goal is to have 1 framework in place for all Analytics, which will be custom user to user and even use that for the system analytic needs also. It will include data analytics as there will be user ratings/reviews to perfomr data mining on for businesses, USers will have basic reporting on their needs (like friend demographics, filter by different preferences, etc). System is being developed in cakePhp. Thanks.

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• cancel button not working in iframe but working when using url for the page

  - by user1327358

  I am working on a form that includes a cancel button. The button correctly closes the form if it is accessed directly through a URL. But once the form is placed in an iframe, the cancel function does not work. Can you please help? Here is the code: public class Cancell extends com.ford.forms.types.Button { /** * Cancel constructor comment. */ public Cancell() { setImageName("../images/cancel.png"); setOnClickScript("if (confirm('This selection will clear your entries and close this form. Click OK to close this form.')) {document.formApp.Command.value='Cancel';window.close();}"); //setOnClickScript("window.close();"); } }

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• Type-aware rendering (and editing) of tabular data in pyqt4

  - by pihentagy

  I would like to have a very short / minimal example of how to create some tabular widget with different types of item in it. In the first round let's say I'd like to render [["Hello", 12, True], ["World", 13, False]] (Hello as string, 12 as number (right-align), True as a checkbox for eg.), but it would be nice to have Dates, Colors, and other type of info. Next round: editing (integer with spinbox, maybe sometimes a combobox is handy, but that may not work out of the box). There must be a simple solution, but I couldn't find...

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• How do I create Ntlm Type 1 and Type 3 messages in .Net

  - by brj011

  I need to create Type 1 message and Type 3 message for NTLM handshaking. Is there any .Net API for this? Essentially, the application is WPF based, but Socket is used in order to stream data from the server. Use of socket is a technical requirement, but the problem is when user needs to connect to the server using a proxy server. Further, if the proxy authorization is based on Ntlm, the client application needs to create Type 1 and Type 3 messages in order to handshake with the proxy server. My question is: Is there any API already available in .NET libraries that can be consumed in order to create these different types of NTLM messages? Any help or alternatives will be greatly appreciated. Thanks in advance.

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• Direct flow depending on incoming dynamic type

  - by Improfane

  I have a listener class that accepts GUI change events in one method. The incoming event objects have a superclass of a type of GUI Event, the behaviour should depend on the dynamic type of the incoming variable. I wanted to do do lots of methods like: handleGUIEvent(EventChangedX event) handleGUIEvent(EventChangedY event) I am using a single event listener and receiving objects of various types but the behaviour should be different for each. What would you do? I do not want to use a switch statement as this would get unmaintainable.

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• Can functions like sin() be redefined, in Fortran, C or Java?

  - by EOL

  Can a mathematical function like sin() be redefined, in Fortran, C or Java code, while preserving the default behavior of other mathematical functions like cos()? Or can another function named sin() but that accepts different argument types be defined in addition to the built-in sin()? I am interested in general features of these languages (I am thinking of applications like the implementation of non-usual number algebras). I tried to define a sin() function in a Fortran 95 program, but the intrinsic sin() function was called instead… Is there a way around this? what about C and Java?

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• How does Play recognize a particular websocket message?

  - by noncom

  I am looking at the websocket-chat example. It unveils much, but I still cannot get something. I understand how messages are received, processed and sent on the web page side. However, Play captures websocket messages by means of the receive method of an Akka actor. In the websocket-chat, there are several cases in this method, but I don't get, how does it know which websocket message should be mapped to which case. In fact, I don't understand the path that a websocket message follows upon entering Play's domain, how is it processed and how can different message types/kinds be sent from the webpage. I have not find any info or sources related to this. Could please someone explain this or point to some kind of a good reference? UPDATE: The link to the original example.

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• Wrong shortcut icons on the desktop and in the programs menu

  - by Zenya

  When creating a program setup, I also put some documentation or readme files in it. However after the program is installed, I get wrong icons on the desktop and in the programs menu, as below: What I expected: I thought that for the registered file types (such as pdf, txt, doc, etc.) I don't need to set icons manually in the setup project. Am i wrong? As far as I know some other installers doesn't have such problem. Does anybody know how to fix this for Visual Studio? My environment is: Visual Studio 2005, C#, Windows XP Pro SP3

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• Deploying rails app on phusion passenger + Nginx

  - by user1028432

  I installed passenger + nginx: gem install passenger , passenger-install-nginx-module , and making init script nginx conf(/opt/nginx/conf/nginx.conf): worker_processes 1; events { worker_connections 1024; } http { passenger_root /home/rusik/.rvm/gems/ruby-2.0.0-p247@work/gems/passenger-4.0.21; passenger_ruby /home/rusik/.rvm/wrappers/ruby-2.0.0-p247@work/ruby; include mime.types; default_type application/octet-stream; sendfile on; rails_env development; server { listen 80; server_name www.myapp.com; charset utf-8; root /home/rusik/www/testapp/public; passenger_enabled on; } } restarting nginx , and page www.myapp.com doesn't load , what can be a problem?(changeing rails_env i tried , rails s i running) I am trying a lot of time to make it works , but can't , i am also tryed install through apt repositiry, but the problem is the same , the page doesn't loaded!

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• Web.xml ExceptionType

  - by andrew007

  Hi, is it possible to define two sections in the web.xml in order to catch two different exception types: <!-- general exception --> <error-page> <exception-type>**java.lang.Exception**</exception-type> <location>/generalError.jsp</location> </error-page> <!-- specific exception --> <error-page> <exception-type>org.myapp.myException</exception-type> <location>/sessionTimeout.jsp</location> </error-page> Does it has any conflict? THANKS!

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• Handling multiple accounts in Android app

  - by bebeTech

  I would like to build an application that caters for multiple accounts (eg. home, work) and account types (e.g. ISP, VoIP, Mobile). Essentially, I would like to get the user to create the accounts they want and then have all the accounts listed on the start page grouped by type. For example: ISP: - Home - Work Mobile: - Mum - Dad When you click on the account, it would take you to another screen where I do a bunch of calcs and display the results. I currently do this via multiple apps but am looking at consolidating into the one app. I am just not sure where to start or how I go about achieving this? The way the Contacts app works is a good example of what I am wanting to do.

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• Making links clickable from comments in php

  - by neat

  im trying to create functions that will give my chat clickable links.... here are the functions i've created <?php //makes links starting with http clickable function makehttpclickable($text){ return preg_replace('!(((f|ht)tp://)[-a-zA-Z?-??-?()0-9@:%_+.~#?&;//=]+)!i', '<a href="$1">$1</a>', $text); } //makes links starting www. http clickable function clickywww($www){ return preg_replace('!((www)[-a-zA-Z?-??-?()0-9@:%_+.~#?&;//=]+)!i', '<a href="$1">$1</a>', $www); } /function that gives me an error! function clickydotcom($noob){ return preg_replace('!([-a-zA-Z?-??-?()0-9@:%_+.~#?&;//=]+)(\.com)!i'.'!([-a-zA-Z?-??-?()0-9@:%_+.~#?&;//=]+)(\.com)!f', '<a href="$1.com$f">$1.com</a>', $noob); } I've been getting an unkown modifier error. Warning: preg_replace() [function.preg-replace]: Unknown modifier '!' So Anyways any help would be nice on how i can make all types of links clickable

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• Alternates to C++ Reference/Pointer Syntax

  - by Jon Purdy

  What languages other than C and C++ have explicit reference and pointer type qualifiers? People seem to be easily confused by the right-to-left reading order of types, where char*& is "a reference to a pointer to a character", or a "character-pointer reference"; do any languages with explicit references make use of a left-to-right reading order, such as &*char/ref ptr char? I'm working on a little language project, and legibility is one of my key concerns. It seems to me that this is one of those questions to which it's easy for a person but hard for a search engine to provide an answer. Thanks in advance!

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