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  • Can you expose XML webservices from a Windows Forms Application?

    - by Andrei
    This might sound like a silly question, but when I search for webservices, I get no information about how to create them in a windows forms application. The only result is how to create and expose them by creating an .aspx page. So my questions is: Can you create and expose webservices within a windows forms application or are they somehow tied in with .asp pages? Thanks! later edit: Is there an example of how to create a webservice in a .cs file and not in a .aspx file?

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  • .NET template class instance - passing a variable data type

    - by FerretallicA
    As the title suggests, I'm tyring to pass a variable data type to a template class. Something like this: frmExample = New LookupForm(Of Models.MyClass) 'Works fine Dim SelectedType As Type = InstanceOfMyClass.GetType() 'Works fine frmExample = New LookupForm(Of SelectedType) 'Ba-bow! frmExample = New LookupForm(Of InstanceOfMyClass.GetType()) 'Ba-bow! LookupForm<Models.MyClass> frmExample; Type SelectedType = InstanceOfMyClass.GetType(); frmExample = new LookupForm<SelectedType.GetType()>(); //Ba-bow frmExample = new LookupForm<(Type)SelectedType>(); //Ba-bow I'm assuming it's something to do with the template being processed at compile time but even if I'm off the mark there, it wouldn't solve my problem anyway. I can't find any relevant information on using Reflection to instance template classes either. (How) can I create an instance of a dynamically typed repository at runtime?

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  • How can I detect a debugger or other tool that might be analysing my software?

    - by Workshop Alex
    A very simple situation. I'm working on an application in Delphi 2007 which is often compiled as 'Release' but still runs under a debugger. And occasionally it will run under SilkTest too, for regression testing. While this is quite fun I want to do something special... I want to detect if my application is running within a debugger/regression-tester and if that's the case, I want the application to know which tool is used! (Thus, when the application crashes, I could report this information in it's error report.) Any suggestions, solutions?

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  • How much should I charge for Rails programming?

    - by Oskar Gantt
    I have been asked to quote an hourly rate for freelance programming for a Rails project. Although it would be my first paid project on Rails, I know the technology well from personal projects and have a decade of professional programming experience. This would be my first freelance project ever, so I have no idea how to find out what the going rate for my services should be. Obviously, if I quote a rate that is too high, they may choose someone else - too low and I may feel cheated later on. Any suggestions? Update: I am in NYC and the project is scheduled for 6 months to a year (but this seems unrealistic - I think it will be a multi-year project). I would develop on site (at a corporate location) with one other developer and the project would consist of about 200 custom-built pages initially. 10 hour days with weekends and additional overtime as required. The customer has given no information about how much they will pay - "a competitive rate" - they want me to start the discussion.

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  • On-line business card creator with PDF proof

    - by Adam
    I'm doing some research, and looking to create a simple on-line business card creator. I need to give users the ability to pick a business card template and then update the text with their own information. Then I need to create a PDF proof for the user to sign off on, as well as create a hi-rez pdf for print. Can anyone point me in the right direction? I'm trying to find some resources on how to create the PDF Heres a quick example I found of what I'm trying to do. https://www.staplescopyandprint.ca/PrintOnline/InputFields.aspx?type=PersonalCard Any input at this point would be a big help thanks!

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  • Security precautions and techniques for a User-submitted Code Demo Area

    - by Jack W-H
    Hey folks Maybe this isn't really feasible. But basically, I've been developing a snippet-sharing website and I would like it to have a 'live demo area'. For example, you're browsing some snippets and click the Demo button. A new window pops up which executes the web code. I understand there are a gazillion security risks involved in doing this - XSS, tags, nasty malware/drive by downloads, pr0n, etc. etc. etc. The community would be able to flag submissions that are blatantly naughty but obviously some would go undetected (and, in many cases, someone would have to fall victim to discover whatever nasty thing was submitted). So I need to know: What should I do - security wise - to make sure that users can submit code, but that nothing malicious can be run - or executed offsite, etc? For your information my site is powered by PHP using CodeIgniter. Jack

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  • popToRootViewControllerAnimated and dealloc all views

    - by mongeta
    Hello again, I have a UINavigationController that asks for some information and the user navigates until the end, once there, they can Accept or Cancel all the data that has been entered. It doesn't matter wich option they choose, as they always will go to the first view using [UINavigationController popToRootViewControllerAnimated:] The question is, how I can release/deallocate all the views ? For example, they start for view 1 and the end is at view 8, once they go directly to the 1 from the 8, how I can release view 2,3,4,5,6,7,8 ? thanks, regards, m.

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  • What tools are people using to measure SQL Server database performance?

    - by Paul McLoughlin
    I've experimented with a number of techniques for monitoring the health of our SQL Servers, ranging from using the Management Data Warehouse functionality built into SQL Server 2008, through other commercial products such as Confio Ignite 8 and also of course rolling my own solution using perfmon, performance counters and collecting of various information from the dynamic management views and functions. What I am finding is that whilst each of these approaches has its own associated strengths, they all have associated weaknesses too. I feel that to actually get people within the organisation to take the monitoring of SQL Server performance seriously whatever solution we roll out has to be very simple and quick to use, must provide some form of a dashboard, and the act of monitoring must have minimal impact on the production databases (and perhaps even more importantly, it must be possible to prove that this is the case). So I'm interested to hear what others are using for this task? Any recommendations?

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  • VB.net Edit-And-Continue: ignore "unable to apply this change while debugging"

    - by FastAl
    When using VB.Net (2008) and paused in debugging, Edit-And-Continue is a great time-saver. However if you change any module/class-level information (variable, sub/function signature, etc), you get the error message like this: "unable to apply this change while debugging" While I can understand the technical challenge to making this work (and why it would be hard), it leaves me in a tight spot with just a few options: 1) Restart and recompile and get the program back to the same state 2) Continue debugging without making the change, and risk forgetting 3) Type up a reminder note to make the change All of which are annoying. Now I know that option '4) Just actually make the change' may not be possible. but does anybody know how to enable the following 'technically easy' possibility? 4) Let me change the code, get it flagged with the purple squiggly underline, so I can save it, but just ignore the change until recompile I have checked the Tools|options|debug|edit and continue, nothing appears to let me do this. thanks!

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  • Imitate database in C

    - by Mohit Deshpande
    I am fairly new to C. (I have good knowledge of C# [Visual Studio] and Java [Eclipse]) I want to make a program that stores information. My first instinct was to use a database like SQL Server. But I don't think that it is compatible with C. So now I have two options: Create a struct (also typedef) containing the data types. Find a way to integrate SQLite through a C header file Which option do you think is best? Or do you have another option? I am kind of leaning toward making a struct with a typedef, but could be pursuaded to change my mind.

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  • Update payment details using Authorize.net

    - by Aditya
    Hello everybody, When i update the existing subscription info using update_recurring method of autorize.net gateway then payment details(means 'credit card number', 'CVV number' and 'expiry date' ) are not being updated. My code snippet is as follows:- def create_card_subscription credit_card = ActiveMerchant::Billing::CreditCard.new( :first_name = params[:payment_details][:name], :last_name = params[:payment_details][:last_name], :number = params[:payment_details][:credit_card_number], :month = params[:expiry_date_month], :year = params[:expiry_date_year], :verification_value = params[:payment_details][:cvv_code] ) if credit_card.valid? gateway = ActiveMerchant::Billing::AuthorizeNetGateway.new(:login = '***', :password = '******') response = gateway.update_recurring( { "subscription.payment.credit_card.card_number" = "4111111111111111", :duration ={:start_date='2010-04-21', :occurrences=1}, :billing_address={:first_name='xyz', :last_name='xyz'}, :subscription_id="**" } ) if response.success? puts response.params.inspect puts "Successfully charged $#{sprintf("%.2f", amount / 100)} to the credit card #{credit_card.display_number}. The Account number is #{response.params['rbAccountId']}" else puts response.message end else #Credit Card information is invalid end render :action="card_payment" end How can it be possible? Thanks in advance, Gaurav Kumar

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  • How can I compile a Perl script inside a running Perl session?

    - by Joel
    I have a Perl script that takes user input and creates another script that will be run at a later date. I'm currently going through and writing tests for these scripts and one of the tests that I would like to perform is checking if the generated script compiles successfully (e.g. perl -c <script>.) Is there a way that I can have Perl perform a compile on the generated script without having to spawn another Perl process? I've tried searching for answers, but searches just turn up information about compiling Perl scripts into executable programs.

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  • Changing the config file in a Visual Studio Package

    - by Andrei
    Hello everybody. I'm building a Visual Studio Package and associated with it, I have an app.config file (which contains some information about connecting to a WCF service). As far as I can tell, this package is actually connecting to the devnev.exe.config configuration file (if I use AppDomain.CurrentDomain.SetupInformation.ConfigurationFile), it will retrieve the path to the devnev.exe.config Firstly, is this correct? Shouldn't the package automatically pick up the app.config file? If this is the case, then how can I make the project use the app.config file? I'm running VS2010 Ultimate, programming in C#. Thanks!

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  • I need to call a vbscript function from within an external javascript file :: function

    - by RadAdam
    heres what i got so far : This function is not directly in the html page , its in an external js file , 'main.js'. function createVBScript(){ var script=document.createElement('script'); script.type='text/vbscript'; script.src='vb/fldt.vbs'; document.getElementsByTagName('head')[0].appendChild(script); } the vbs file contains : <!-- // Visual basic helper required to detect Flash Player ActiveX control version information Function VBGetSwfVer() MsgBox "Hello there" End Function // --> thats all i want to do for the time being. how do i call VBGetSwfVer() from main.js ?

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  • Good articles to read on SSL and HTTPS?

    - by Igor Romanov
    I had a problem with accepting invalid SSL certificate in my iPhone program. That problem is solved now, however I came to understanding that I have very abstract idea on how exactly the whole thing is working: how web browser is verifying that received certificate is really for host it communicates to and not faked by same party in the middle? if browser talks to some 3rd party (CA?) to do certificate check? and many other questions... Would someone please recommend good source of information with in-depth enough description of how all parts click together?

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  • How to pass data to another droid device when the other device isn't expecting it

    - by James Black
    I am working on an application and one feature that would make it really useful is the ability to share some information, but the other device may not be expecting the data to be sent. For example, if I am reading a really good book, and I realize that a friend may like it, I could use an application to send the data to him, so he could order the book from Amazon. But, since he isn't expecting the data, I would hate for the application to be polling a server every so often, as that will be needlessly draining the battery. Ideally it would be great if there was a way to make a phone call to the target device, send a data packet and end the call. If it could be done and prevent the phone from ringing, then it would be very useful to me. I am curious if there is some way to send data between devices without polling.

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  • Searching Outlook Global Adress List

    - by MoominTroll
    I'm pulling up the Global Address List from Outlook like so... Microsoft.Office.Interop.Outlook.Application oApp = new Microsoft.Office.Interop.Outlook.Application(); AddressList gal = oApp.Session.GetGlobalAddressList(); ...with the aim of eventually being able to search through this in my own application to retrieve contact information which I can then supply to a method that squirrels off an email. Unfortunately given that my own GAL has about 20K entries in (the customers much more) using a foreach or something simply doesn't work in an acceptable timeframe. I want to pass a string like "Tom" to a method and have it return a list of possible contacts. Is this possible outside of actually opening up Outlook and creating the mail there? Note: There are a couple of other questions similar to this but most seem to have no good answer. I'm hoping I have more luck.

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  • Modelling a manyToMany relationship with attributes

    - by Javi
    Hello, I have a ManyToMany relationship between two classes, for instance class Customer and class Item. A customer can buy several items and an item can be bought by different customers. I need to store extra information in this relationship, for example the day when the item was bought. I wonder how is this usually modelled in JPA, cause I'm not sure how to express this in code. Do I have to create a new class to model all the attributes of the relationship and make a manyToMany relationship between the other classes or is a better way to do this? Thanks

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  • Grails LDAP authentication failed

    - by Leo
    Hi, guys I am developing a web app by using Grails and using Grails LDAP as my Authentication mechanism. However, i always get following error: {Error 500: Cannot pass null or empty values to constructor Servlet: default URI: /ldap-app/j_spring_security_check Exception Message: Cannot pass null or empty values to constructor Caused by: Cannot pass null or empty values to constructor Class: GrailsAuthenticationProcessingFilter } My SecurityConfig.groovy file is : security { // see DefaultSecurityConfig.groovy for all settable/overridable properties active = true loginUserDomainClass = "User" authorityDomainClass = "Role" requestMapClass = "Requestmap" useLdap = true ldapRetrieveDatabaseRoles = false ldapRetrieveGroupRoles = false ldapServer = 'ldap://worf-mi.dapc.kao.au:389' ldapManagerDn = 'CN=sa-ldap-its,OU=Unix Servers for Kerberos,OU=Information Technology Services,OU=Special Accounts,DC=nexus,DC=dpac,DC=cn' ldapManagerPassword = 'Asdf1234' ldapSearchBase = 'OU=People,DC=nexus,DC=dpac,DC=cn' ldapSearchFilter = '(&(cn={0})(objectClass=user))' }

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  • Help need to with MySQL query to join data spanning multiple tables and use data as column names

    - by gurun8
    I need a little help putting together a SQL query that will give me the following resultsets: and The data model looks like this: The tricky part for me is that the columns to the right of the "Product" in the resultset aren't really columns in the database but rather key/value pairs spanned across the data model. Table data is as follows: My apologies in advance for the image heavy question and the image quality. This just seemed like the easiest way to convey the information. It'll probably take someone less time to write the query statement to achieve the results than it did for me to assemble this question. By the way, the "product_option" table image is truncated but it illustrated the general idea of the data structure. The MySQL server version is 5.1.45.

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  • How to auto-increment reference number persistently when NSManagedObjects created in core-data.

    - by KayKay
    In my application i am using core-data to store information and saving these data to the server using web-connectivity i have to use MySql. Basically what i want to do is to keep track of number of NSManagedObject already created and Whenever i am adding new NSManagedObject, based on that counting it will assign the class a Int_value which will act as primary_key in MySql. For examaple, there are already 10 NSManagedobjects, and when i will add new one it will assign it "11" as primary_key. these value will have to be increasing because there is no deleting of NSManagedObject. From my approach its about static member in applicationDelegate whose initial value can be any integer but should be incremented by one(like auto-increment) everytime new NSManagedObject is created and also it should be persistent. I am not clear how to do this, please give me suggestions. Thanks in advance.

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  • I don't understand Application Domains

    - by Jeremy Edwards
    .NET has this concept of Application Domains which from what I understand can be used to load an assembly into memory. I've done some research on Application Domains as well as go to my local book store for some additional knowledge on this subject matter but it seems very scarce. All I know that I can do with Application Domains is to load assemblies in memory and I can unload them when I want. What are the capabilities other that I have mentioned of Application Domains? Do Threads respect Application Domains boundaries? Are there any drawbacks from loading Assemblies in different Application Domains other than the main Application Domains beyond performance of communication? Links to resources that discuss Application Domains would be nice as well. I've already checked out MSDN which doesn't have that much information about them.

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  • Sharing view logic in Django

    - by Jeremy B.
    I've begun diving into Django again and I'm having trouble finding the parallel to some common concepts from my life in C#. While using .NET MVC I very often find myself creating a base controller which will provide a base action implementation to take care of the type of stuff I want to do on every request, like retrieving user information, getting localization values. Where I'm finding myself confused is how to do this in Django. I am getting more familiar with the MVT concept but I can't seem to find how to solve this scenario. I've looked at class based views and the generic views yet they didn't seem to work how I expected. What am I missing? How can i create default logic that each view will be instructed to run but not have to write it in each view method?

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  • What do the different columns (of letters) mean for the svn merge output?

    - by James
    The output of SVN merge has 4 columns of letters listed before the file name. I understand the meaning of the letters (mostly) but I can't find any information on the meanings of the columns and so only have a vague understanding based on context. Can anyone point me to the documentation on this? Based on context I've been able to infer that column: Is about text changes to a file Seems to be related to use of the svn ignore command on a folder (or maybe it's just properties of the file?) I've never seen a letter in the third column and hence I have no idea what it means. Might be tree conflicts? This is the one I'm mostly worried about because I don't know how to handle it yet.

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  • Why do C compilers prepend underscores to external names?

    - by Michael Burr
    I've been working in C for so long that the fact that compilers typically add an underscore to the start of an extern is just understood... However, another SO question today got me wondering about the real reason why the underscore is added. A wikipedia article claims that a reason is: It was common practice for C compilers to prepend a leading underscore to all external scope program identifiers to avert clashes with contributions from runtime language support I think there's at least a kernel of truth to this, but also it seems to no really answer the question, since if the underscore is added to all externs it won't help much with preventing clashes. Does anyone have good information on the rationale for the leading underscore? Is the added underscore part of the reason that the Unix creat() system call doesn't end with an 'e'? I've heard that early linkers on some platforms had a limit of 6 characters for names. If that's the case, then prepending an underscore to external names would seem to be a downright crazy idea (now I only have 5 characters to play with...).

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