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  • Deploying Multiple Environments in Spring-MVC

    - by jboyd
    Currently all web apps are deployed using seperate config files: <!-- <import bean.... production/> --> <import bean... development/> This has disadvantages, even if you only need to swap out one config file, that I'm sure everyone is familiar with (wondering what just deployed without searching through XML is one of them) I want to add Logging to my application that basically says 'RUNNING IN PRODUCTION MODE', with a description of the services deployed and what mode they are working in. RUNNING IN PRODUCTION MODE Client Service - Production Messaging Service - Local and so on... Is this possible in Spring using a conventional deployment (putting a war on a server)? What other things do people do to manage deployments and software configurations? If not, what other ways could you achieve something similar?

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  • How to Generate Edifact message from a xml ?

    - by Clem
    Hello, I'm currently dealing with customs messages Beans in Java. After filling in the Beans with different values, I want to produce an EDIFACT CUSDEC message corresponding to each message. For each attribute of a message Bean, I have the information to put the attribute in the right place in EDIFACT CUSEDC format. Thus, I am looking for a free tool (a Java API) which could ideally convert my full-filled Bean into an EDIFACT CUSDEC message. I found a commercial solution (not free) there : http://www.datadirect.com/products/edifact-grid/index.ssp And a quick tutorial here : http://biemond.blogspot.com/2008/09/generate-edifact-message-from-xml.html But ... unfortunately it is not free.. Thanks in advance for your help!

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  • Spring overloaded constructor injection

    - by noob
    This is the code : public class Triangle { private String color; private int height; public Triangle(String color,int height){ this.color = color; this.height = height; } public Triangle(int height ,String color){ this.color = color; this.height = height; } public void draw() { System.out.println("Triangle is drawn , + "color:"+color+" ,height:"+height); } } The Spring config-file is : <bean id="triangle" class="org.tester.Triangle"> <constructor-arg value="20" /> <constructor-arg value="10" /> </bean> Is there any specific rule to determine which constructor will be called by Spring ?

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  • How does multiple implementing multiple COM interfaces work in C++?

    - by Martin
    I am trying to understand this example code regarding Browser Helper Objects. Inside, the author implements a single class which exposes multiple interfaces (IObjectWithSite, IDispatch). His QueryInterface function performs the following: if(riid == IID_IUnknown) *ppv = static_cast<BHO*>(this); else if(riid == IID_IObjectWithSite) *ppv = static_cast<IObjectWithSite*>(this); else if (riid == IID_IDispatch) *ppv = static_cast<IDispatch*>(this); I have learned that from a C perspective, interface pointers are just pointers to VTables. So I take it to mean that C++ is capable of returning the VTable of any implemented interface using static_cast. Does this mean that a class constructed in this way has a bunch of VTables in memory (IObjectWithSite, IDispatch, etc)? What does C++ do with the name collisions on the different interfaces (they each have a QueryInterface, AddRef and Release function), can I implement different methods for each of these?

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  • EJB3.1 Remote invocation - is it distributed automatically? is it expensive?

    - by Hank
    I'm building a JEE6 application with performance and scalability in the forefront of my mind. Business logic and JPA2-facade is held in stateless session beans (EJB3.1). As of right now, the SLSBs implement only @Remote-interfaces. When a bean needs to access another bean, it does so via RMI. My reasoning behind this is the assumption that, once the application runs on a bunch of clustered application servers, the RMI-part allows the execution to be distributed across the whole cluster automagically. Is that a correct assumption? I'm fine with dealing with the downsides of that (objects lose entityManager session, pass-by-value), at least I think so. But I am wondering if constant remote invocation isn't adding more load then necessary.

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  • What is the relationship between IRimTable and PersistenceStore?

    - by Martin
    The BlackBerry Desktop API has the interface IRimTable which apparently maps an "application database" on a BlackBerry device to a virtual structure (i.e, IRimTable has IRimRecords, each of which has IRimField) that developer can browse the handheld device data when it is connected to a desktop computer. Meanwhile, applications in the handheld device can store its data in PersistenceStore databases. The point where I'm stuck is the PersistenceStore API doesn't define any Table or Records or Fields. Does anybody knows what is the relationship between these two classes? And how does the mapping work (if at all) ?

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  • JSF actionListener is called multiple times from within HtmlTable

    - by Rose
    I have a mix of columns in my htmltable: 1 column is an actionlistener, 2 columns are actions and other columns are simple output. <h:dataTable styleClass="table" id="orderTable" value="#{table.dataModel}" var="anOrder" binding="#{table.dataTable}" rows="#{table.rows}" <an:listenerColumn backingBean="${orderEntry}" entity="${anOrder}" actionListener="closeOrder"/ <an:column label="#{msg.hdr_orderStatus}" entity="#{anOrder}" propertyName="orderStatus" / <an:actionColumn backingBean="${orderEntry}" entity="${anOrder}" action="editOrder" / <an:actionColumn backingBean="${orderEntry}" entity="${anOrder}" action="viewOrder"/ .... I'm using custom tags, but it's the same behavior if I use the default column tags. I've noticed a very strange effect: when clicking the actionlistenercolumn, the actionevent is handled 3 times. If I remove the 2 action columns then the actionevent is handled only once. The managed bean has sessionscope, bean method: public void closeOrder(ActionEvent event) { OrdersDto order; if ((order = orderRow()) == null) { return; } System.out.println("closeOrder() 1 "); orderManager.closeOrder(); System.out.println("closeOrder() 2 "); } the console prints the'debug' text 3 times.

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  • What is a right way to use servlets?

    - by vikp
    Hi, I'm studying EJB3. I have a session bean which provides services to create/update customer accounts. This session bean offers services on the lines of: public void addCustomer(Customer c); public void updateCustomer(Customer c); Ideally I'd like to have a single servlet: CustomerServlet and it would invoke the session beans that I have listed above. Problem is that I have two JSPs: UpdateAccount.jsp and CreateAccount.jsp. Both of these JSPs have a form with a method POST and action "CustomerServlet". How can I distinguish in a customer servlet which operation I should carry out: createAccount or updateAccount? I guess the alternative is to have a separate servlet for each operation... Thank you

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  • Algorithm to classify a list of products?

    - by Martin
    I have a list representing products which are more or less the same. For instance, in the list below, they are all Seagate hard drives. Seagate Hard Drive 500Go Seagate Hard Drive 120Go for laptop Seagate Barracuda 7200.12 ST3500418AS 500GB 7200 RPM SATA 3.0Gb/s Hard Drive New and shinny 500Go hard drive from Seagate Seagate Barracuda 7200.12 Seagate FreeAgent Desk 500GB External Hard Drive Silver 7200RPM USB2.0 Retail For a human being, the hard drives 3 and 5 are the same. We could go a little bit further and suppose that the products 1, 3, 4 and 5 are the same and put in other categories the product 2 and 6. We have a huge list of products that I would like to classify. Does anybody have an idea of what would be the best algorithm to do such thing. Any suggestions? I though of a Bayesian classifier but I am not sure if it is the best choice. Any help would be appreciated! Thanks.

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  • Calling services from the Orchestrating layer in SOA?

    - by Martin Lee
    The Service Oriented Architecture Principles site says that Service Composition is an important thing in SOA. But Service Loose Coupling is important as well. Does that mean that the "Orchestrating layer" should be the only one that is allowed to make calls to services in the system? As I understand SOA, the "Orchestrating layer" 'glues' all the services together into one software application. I tried to depict that on Fig.A and Fig.B. The difference between the two is that on Fig.A the application is composed of services and all the logic is done in the "Orchestrating layer" (all calls to services are done from the "Orchestrating layer" only). On Fig.B the application is composed from services, but one service calls another service. Does the architecture on Fig.B violate the "Service Loose Coupling" principle of SOA? Can a service call another service in SOA? And more generally, can the architecture on Fig.A be considered superior to the one on Fig.B in terms of service loose coupling, abstraction, reusability, autonomy, etc.? My guess is that the A architecture is much more universal, but it can add some unnecessary data transfers between the "Orchestrating layer" and all the called services.

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  • Excel: Make conditional formatting static

    - by Martin
    Is there any way to convert conditional formatting to static formatting in Excel? I'm trying to export a range of a Excel Sheet to a new Workbook, with identical appearance but no formulas, links, etc. The problem here is that I have conditional formatting that relies on calculations outside exported range. I've tried saving the workbook to .html, oddly enough the formatting shows in IE but not when reopening it in Excel.

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  • How to write a spinlock without using CAS

    - by Martin
    Following on from a discussion which got going in the comments of this question. How would one go about writing a Spinlock without CAS operations? As the other question states: The memory ordering model is such that writes will be atomic (if two concurrent threads write a memory location at the same time, the result will be one or the other). The platform will not support atomic compare-and-set operations.

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  • MySQL treats ÅÄÖ as AAO?!

    - by Martin
    These two querys gives me the exact same result: select * from topics where name='Harligt'; select * from topics where name='Härligt'; How is this possible? Seems like mysql translates åäö to aao when it searches. Is there some way to turn this off? I use utf-8 encoding everywhere as far as i know. The same problem occurs both from terminal and from php.

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  • Twisted chainDeferred not working as expected

    - by Martin Gergov
    I have a problem figuring out a somewhat simple twisted python code. From what I have red in the docs, the code here should work without Unhandled Error. I get this: HELLO! HANDLED! HANDLED 2! Unhandled error in Deferred: Unhandled Error Traceback (most recent call last): File "package_tester.py", line 31, in <module> a().callback(2) File "/usr/local/lib/python2.7/dist-packages/twisted/internet/defer.py", line 368, in callback self._startRunCallbacks(result) File "/usr/local/lib/python2.7/dist-packages/twisted/internet/defer.py", line 464, in _startRunCallbacks self._runCallbacks() --- <exception caught here> --- File "/usr/local/lib/python2.7/dist-packages/twisted/internet/defer.py", line 551, in _runCallbacks current.result = callback(current.result, *args, **kw) File "package_tester.py", line 5, in c raise Exception() exceptions.Exception: Isn't the failure from the chained deferred passed to end() errback ?

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  • hasErrors with indexed property

    - by Micor
    I am having hard time getting hasErrors to work with indexed properties. For example class Order { String prop1 String prop2 static hasMany = [items: Item] } class Item { String name static constraints = { name(blank:false) } } Validation works properly and on item.name being blank I do get an error with <g:renderErrors bean="${orderInstance}"/> However, I am trying to have input box highlighted using hasErrors : <g:each in="${orderIntsance.items}" status="i" var="item"> <span class="field ${hasErrors(bean: orderInstance, field: ????????? , 'errors')}"> <g:textField name="items[${i}].name" value="${item?.name}"/> </span> </g:each> Not sure how to get to it with a field: property, any ideas? Thanks

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  • Eclipse PDT "tips" ?

    - by Pascal MARTIN
    Hi ! (Yes, this is a quite opened and general and subjective question -- it's by design, cause I want tips you think are great !) I'm using Eclipse PDT 2.1 to work in PHP, either for small and/or big projects -- I've been doing so for quite some times, now, actually (since before 1.0 stable, if I remember well)... I was wondering if any of you did know "tips" to be more efficient. Let met explain more in details : I know about things like plugins like Aptana (better editor for JS/CSS), Subversive (for SVN access), RSE, Filesync, integrating Xdebug's debugger, ... What I mean by "tips" is more some little things you discovered one day and since use all the time -- and allow you to be more efficient in your PHP projects. Some examples of "tips" that come to my mind, and that already know and use : ctrl+space to open the list of suggestions for functions / variables names ctrl+shift+R (navigate > open resource) to open a popup which show only files which names contain what you type ; ie, quick opening of files this one might be the perfect example : I know this one is not often known by coworkers and they find it as useful as I do ; so, I guess there might be lots of other things like this one I don't know myself ^^ ctrl+M to switch to full-screen view for the editor (instead of double-click on tabs bar) shift+F2 while on a function name, to open it's page if the PHP manual in a browser Attention Mac Users use Command instead Control. I guess you get the point ; but I'm really open to any suggestion (be it eclipse-related in general, of more PHP/PDT-specific) that can help be be more efficient :-) Anyway, thanks in advance for your help !

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  • How do I get a div to float to the bottom of its container?

    - by Stephen Martin
    I have floated images and inset boxes at the top of a container using float:right (or left) many times. Recently I hit a need to float a div at the bottom right corner of another div with the normal text wrap that you get with float (text wrapped above and to the left only). I thought this must be relatively easy even though float has no bottom value but I haven't been able to do it using a number of techniques and searching the web hasn't come up with anything other than using absolute positioning but this doesn't give the correct word wrap behaviour. I had thought this would be a very common design but apparently it isn't. If nobody has a suggestion I'll have to break my text up into separate boxes and align the div manually but that is rather precarious and I'd hate to have to do it on every page that needs it.

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  • unix How to compare two files and get results to third file?

    - by Martin Mocik
    I have two files 1st file is like this: www.example.com www.domain.com www.otherexample.com www.other-domain.com www.other-example.com www.exa-ample.com 2nd file is like this (numbers after ;;; are between 0-10): www.example.com;;;2 www.domain.com;;;5 www.other-domain;;;0 www.exa-ample.com;;;4 and i want compare these two files and output to third file like this: www.otherexample.com www.other-example.com Both files have large size (over 500mb)

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  • iPhone: Setup static content of UITableView

    - by Martin
    This guide from apple https://developer.apple.com/iphone/prerelease/library/documentation/UserExperience/Conceptual/TableView_iPhone/TableViewCells/TableViewCells.html (you need login) explains how to use "The Technique for Static Row Content" to use Interface Builder to setup the cells in a tableview. I have some cells with different heights in my tableview. Without using the heightForRowAtIndexPath method everything get messed up. Do I still need to use this method or can I in some way setup the height of the cells inside the IB as I created them there? Also when using the "The Technique for Static Row Content" from the guide you still need to use the cellForRowAtIndexPath to setup the cells even if they are created in IB. I would like to setup the full layout of the tableview with all cells in IB (drag the cells right into the tableview), is that possible in some way? Thanks!

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  • How to configure grails and shiro to mark cookies secure?

    - by j4y
    I'm using Grails 2.2.4 with the Shiro plugin (v1.1.4) and would like to mark the cookies as secure so the session information won't be sent over http. This is the attribute I want to set: securityManager.sessionManager.sessionIdCookie.secure = true The shiro source says to use the Grails bean property override mechanism, which is grails-app/conf/spring/resources.groovy How can I override just the one setting? // If the legacy 'security.shiro.filter.config' option is set, // use our custom INI-based filter... if (application.config.security.shiro.filter.config) { log.warn "security.shiro.filter.config option is deprecated. Use Grails' bean property override mechanism instead." 'filter-class'('org.apache.shiro.grails.LegacyShiroFilter') 'init-param' { 'param-name'('securityManagerBeanName') 'param-value'('shiroSecurityManager') }

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  • Why "cannot use an object as a parameter to a method"?

    - by Martin
    I have the following ViewController class #import <UIKit/UIKit.h> @interface SampleViewController : UIViewController { IBOutlet UITextField *field1; } @property (nonatomic, retain) UITextField *field1; - (IBAction) method1:(id)sender; @end When I change the method1:(id)sender to method1:(UITextField)sender, I get the error "Cannot use an object as a parameter to a method". I searched and found this post which says "it [using an object as a method parameter] is not a good idea in Objective-C because Objective-C does not allow statically allocated object". Can anyone point out where I can find a more detailed explanation for this? Thank you.

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  • Best Practice: User generated HTML cleaning

    - by Martin
    I'm coding a WYSIWYG editor width designMode="on" on a iframe. The editor works fine and i store the code as is in the database. Before outputing the html i need to "clean" with php on the server-side to avoid cross-site-scripting and other scary things. Is there some sort of best practice on how to do this? What tags can be dangerous? UPDATE: Typo fixed, it's What You See Is What You Get. Nothing new :)

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  • Windows Mobile: "My network card connects to" registry settings

    - by Martin Robins
    Can anybody please tell me the registry setting(s) that are affected in Windows Mobile 6.1 when a user selects Start - Settings - Connections - Wi-Fi and then changes the value of the "My network card connects to" drop down list on the "Network Adapters" tab? I have a device that seems to default this to "The Internet" when in fact the Wi-Fi connects to the corporate network and I would like to be able to change this programatically rather than expecting 250+ users to have to do it manually every time they reboot their devices. Thanks.

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