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• Allowing New Users to Invite Their Gmail Contacts

  - by John

  Hello, For my site, I would like to give new users the option to invite all of their Gmail contacts to join. What is the basic step-by-step process to set this up? (Also, is it necessary to buy an SSL for this?) Thanks in advance, John EDIT: My site has a basic login where users set up a username and password. I would like to give users the option to invite their Gmail contacts right after they create their new profile. I would also like to give them the option to invite their Gmail contacts anytime they want.

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• How to install previously-archived apps from xcode organizer to my iphone

  - by Ben Clayton

  Hi all. Xcode keeps an archive of all the versions of my apps that I've submitted to the app store in the 'archived applications' section. I assumed using this I could install an old version of an app to my device, in order to reproduce any problems my client may have had with that particular version. However, when I try to do this I get an error: 'this executable was signed with invalid entitlements, the entitlements specified in your applications code signing entitlements do not match those specified in your provisioning profile' The original app was signed using our App Store distribution certificate, and I use the Organizer interface to re-sign it using our Developer profile. select the archived app select the version I want to test click 'share' select 'iphone developer' next to identity save to disk (saves the ipa file) then copy the ipa to the device using the little + button you see next to 'applications' on the screen you get when you select the connected device. Then I get the error, and the app isn't installed. Is there something obvious I'm doing wrong here? Or is there a different process to re-install an archived app to my device? Thanks,

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• get last 5 character vb.net

  - by Chocho

  i want to get the last 5 digits/strings from a strings of words. eg: "I will be going to school in 2011!" i am using visual studio.net 2008 and using vb.net. i will like to get "2011!" note, my strings changes, and the last 5 characters can be anything! any ideas. i know visual basic have Right(string, 5); this didn't work for me gave me an error. thanks

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• What Kind of Knowledge is Necessary For a Permon Who Does Not Have IT Background? [closed]

  - by skyflyer

  One of my colleagues joined our company, which by the way is a internet company, months ago as an on-line marketing specialist. He majored English in his college and has never deeply touched IT before. He says that to be a good on-line marketing specialist he needs to lean some basic IT skills in order to deliver superb work. According to him, things like Search Engine Optimization, monitoring competitors' web sites, design some functionality on web site and so on require IT entree-level knowledge. And he asks me what kind knowledge is helpful for him to do his job. I am stunted by his question. It is easy enough to answer, things like HTML, CSS, even Photo-shop are required in some job descriptions. Also, I believe some basic understanding of dynamic web site, static web site is helpful to him. On the other hand, as a techie I still feel my answer is awkward. What is your opinion on this? Always lot of thanks to you guys on SO.

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• Cannot resolve view when view is in subdirectory

  - by devzero

  We have a MVC 2.0 / c# 4.0 application that we develop visual studio. We have a part of the site (admin) that we have put in it's own sub directory and with its own routing rules: routes.Add("DomainRoute", new DomainRoute( ConfigurationManager.AppSettings["adminDomain"], // Domain with parameters "{controller}/{action}/{id}", // URL with parameters new { controller = "AdminPage", action = "Admin", id = "", isAdmin = true } We have all the views for the admin site inside an admin sub folder so that you get paths like: \views\admin\auth\login.aspx In the \controllers\admin\authController.aspx file I have a function called login: public ActionResult Login() { return View(); } This works just as it should, ie if i go admin.localhost\auth\login I go to the login page. But if I do a right click in visual studio and "go to view" i get an error "unable to go to matching view". Is there anyway to solve this?

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• NHibernate very slow during debugging

  - by HeavyWave

  Have anyone stumbled upon a problem where NHibernate is extremely slow in Visual Studio while debugging, but behaves normally when run separately? Logging is disabled and the time lost seems to be when the actual queries are executed, NHProfiler shows that queries were executed very quickly (on SQL side I presume), but each session with 10 queries takes about 4 seconds. I am using SQL Express Server. As I said, even if I turn on full logging and run my application without Visual Studio it is a magnitude faster. Update. After hours and hours of work towards the issue I was able to fix it by simply switching project type from Windows Application to Console Application (although in reality it's a Windows Service, but it always worked before with Windows Application project type). What could possibly be the difference to bring NHibernate to a halt in debugging mode?

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• Virtual PC 2007 as programming environment

  - by Gern Blandston

  I'd like to create a VM in Virtual PC 2007 for use as a development environment/sandbox for an existing ASP.NET application in Visual Studio 2005/SQL Server 2005 (and VSS for source control). I'm thinking that I need to create a 'base' copy of the environment (with the os, Visual Studio, and Sql Server), and then copy that to a 'work' version that I do actual development in. I would be sharing this VM with one or two other developers who would be working on different parts of the app. Is this a good idea? What is the best way to get my app/databases in and out of the VM and the changes I make into VSS? Is it just a copy from the host location to the VM share and back again? How do I keep everything synchronized? Thanks!

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• Teaching a mainframe COBOL programmer Java?

  - by Jared

  I’m trying to help someone learn Java who’s only programming experience is COBOL on the mainframe. I was wondering if anyone knew any good resources for object oriented concepts. I learned how to program with C++ so just understand the theory behind basic OOP. I’m more concerned about a way to get the basic concepts across, such as encapsulation and inheritance rather then Java syntax. I think it’d be better to teach the concepts of OOP then a language rather then trying to cram both a new language and paradigm in at the same time. Does anyone have any resources or ideas that could help this person learn OOP followed by Java?

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• Learning about version control systems, Git, SVN

  - by anijhaw

  I am a basic SVN user now trying to learn GIT for a new position. I am trying the usual reading docs and watching videos. However after doing all that I still feel that there is a lot that I do not know. I was wondering if there is a place like project Euler for programming languages, that provides a series of exercises that you can do just to increase your confidence and test your knowledge about a version control system. Something thats generic enough and gets you up to speed with how to do basic things. This could also serve as a comparison point of sorts between multiple VCSs, that would show what things are easy in which VCS. If there is nothing I was planning to document my journey in learning GIT and the create an exercise of this sort.

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• C/C++ enum and char * array

  - by Eric M

  Ran accross the following code in an article and didn't think it was standard C/C++ syntax for the char* array. As a test, both Visual C++ (visual studio 2005) and C++ Builder Rad XE both reject the 2nd line. Without using #defines, anyone have any tricks/tips for keeping enums and a string array sort of in sync without resorting to STL ? More of a curiosity question. enum TCOLOR { RED, GREEN, BLUE }; char *TNCOLOR[] = { [RED]="Red", [GREEN]="Green", [BLUE]="Blue" }; as an aside, the article this came from is quite old and I believe this might work under GCC but have not tested.

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• What database is a good progression from MS Access for Coldfusion?

  - by Saul

  All my (home) CF learning has so far been done using Access as a database, and as far as the DB goes I "get it". There's no database server, and no need to log on to the database or anything, and setting up table relationships is easy and visual. Oh and its essentially free to deploy. However, I'm now working on an application that's likely to be used across several businesses and probably up to 50 concurrent users. I've heard that Access really isn't up to multi user use or production use on an app. What would you recommend as more suitable, preferably easy to grasp, with minimal tweeking needed for my SQL (I used a tool to convert to MySQL and it certainly handles concatenation differently, I dont want to have to do too much debugging), visual interface available, scalable, backupable, and whatever else I need that I don't yet know I need!

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• Configuring a spring project

  - by saloni

  My question is : from basic which are the necessary jars that should required in Spring and how could we configure Spring project ?

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• Does Xcode have intellisense

  - by user333639

  I am just waiting for my MacBook to arrive - so at the moment just doing theory, but does Xcode have intellisense like Visual Studio?

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• wordpress image showing up multiple times

  - by JCHASE11

  I am writing a wordpress theme, and have run into a fairly basic problem. By default, when you inset an image into the post, it displays that image at the size you specify, on both the homepage and the single post. I would like to have different sized images, displaying a thumbnail on the homepage, and a full sized image when you click through to the post. I am using wordpress 2.9's new thumbnail feature, which has created great thumbnails for the homepage. But now, I am stuck with a nice thumbnail next to a large photo (on the index/home page). On the single page, it is displaying correctly with just the large picture. Basically, I need to know how to tell wordpress to only display the large post image on the single page, not on the index. Also: I have used the timthumb script, but I think the answer is far more basic then needing plugins or scripts Thanks!

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• Learn C# on mac?

  - by mkal

  Is mono the only route , any specific visual studio like editors that you recommend?

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• Help Forming An SQL Query That Selects The Max Difference Of Two Fields

  - by Frank

  I'm trying to select a record with the most effective votes. Each record has an id, the number of upvotes (int) and the number of downvotes (int) in a MySQL database. I know basic update, select, insert queries but I'm unsure of how to form a query that looks something like: SELECT * FROM topics WHERE MAX(topic.upvotes - topic.downvotes). Please excuse my made up SQL. The tutorials on SQL I find on the internet cover very basic stuff. Does anyone recommend a good book on this subject?

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• why does backbone not send the delete?

  - by Nippysaurus

  I have a very basic backbone (sample) application which just creates and destroys model items. When the model is created the object is persisted with a POST to the web server, but when the model is destroyed there is no DELETE sent to the server? Any idea why this might be? very basic model: window.User = Backbone.Model.extend({ urlRoot: 'users' }); my test code just to create and delete the model: var model = null; $(".add").click(function(){ if (model == null) { model = new window.User; model.set({name: 'meeee'}); model.save(); } }); $(".remove").click(function(){ if (model != null) { model.destroy(); } }); The JSON response when creating the model seems good too:

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• How do i create winxp style controls

  - by KoolKabin

  Hi guys, I am trying to make my controls look as cool as xp theme enabled controls like gradient fill background in container controls and colour thames support etc I am not finding a way to start. from where can i start doing it? I am trying to do it in vb.net Edited: EnableXpVisualStyles() I found it to enable visual styles but didn't give me visual thames to apply. So in order to apply thames or colour schemes what should i do? What other commands should i use with combination with it? as I have seen my application giving ugly look even applying that command and other program showing nice loook in my win2003 server

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• Need Language/Career Path Advice

  - by Cain

  I am interested in getting a few Microsoft Certs and I am currently facing the option for .NET Framework app development language. My choices are C++, C#, and Visual Basic. I have some experience with Java and Visual Basic .NET but I honestly would like to know what the best would be for developing stand-alone applications in a workstation (local) environment. This is for my career and honestly, 90% of the developers are all experienced in the above three languages and I wanted to improve my chances of staying employed by learning/certifying myself on my own time.

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• feedback for programming newbies looking to build a social networking site?

  - by kgardnr

  my partner and i are launching a social learning platform - the requirements have been mapped out and are quite basic/intuitive. we are familiar with html/css, and have some very basic understanding of php, but we would love some feedback on whether we should tackle this ourselves or not. we've built websites, but in the past relied mostly on pre-fab code, i.e. wordpress, ning, etc. we've been looking specifically at ruby for developing the network, but i haven't delved into it fully yet. we're looking for some guidance and feedback - e.g. thoughts on ruby on rails? what's the learning curve? are we getting in over our heads? thanks in advance!

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• What would you do if you coded a C++/OO cross-platform framework and realize its laying on your disk

  - by Manuel

  This project started as a development platform because i wanted to be able to write games for mobile devices, but also being able to run and debug the code on my desktop machine too (ie, the EPOC device emulator was so bad): the platforms it currently supports are: Window-desktop WinCE Symbian iPhone The architecture it's quite complete with 16bit 565 video framebuffer, blitters, basic raster ops, software pixel shaders, audio mixer with shaders (dsp fx), basic input, a simple virtual file system... although this thing is at it's first write and so there are places where some refactoring would be needed. Everything has been abstracted away and the guiding principle are: mostly clean code, as if it was a book to just be read object-orientation, without sacrifying performances mobile centric The idea was to open source it, but without being able to manage it, i doubt the software itself would benefit from this move.. Nevertheless, i myself have learned a lot from unmaintained projects. So, thanking you in advance for reading all this... really, what would you do?

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• What tool do you use for agile project management.

  - by gkdm

  Does it have visual studio integration? Can be deployed on-site?

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• How are operating Systems created? Which language is chosen for coding?

  - by Nitesh Panchal

  Hello, How is a basic OS created? In which language do programmers code for OS? C or Assembly? or which? Also, Assembly has limited instruction set like mov etc. So how can anybody create OS in assembly? and even C has limited functionality. But it is said to be the mother of all languages. How can anybody create a full OS with stunning graphics in C? It's simply out of my mind. And what is time duration it takes for a very basic OS to be created? unlike Windows 7 :p

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• MonoDevelop seems to hang (not unresponsive) when building csprojs

  - by Michael Shimmins

  Building a solution from Visual Studio in mono develop seems to have some issues. I'm hoping someone else has experienced this and has some suggestions. The actual dcms process goes pretty quickly, but in between projects it hangs after printing: Building: XXX.YYY.ZZZ (Debug) After a few minutes (been 10 so far on this current run), it jumps to: Performing main compilation... /Library/Frameworks/Mono.framework/Versions/2.10.1/bin/dmcs /noconfig "/... Build complete -- 0 errors, 0 warnings Building: XXX.YYY.ZZZ (Debug) Then hangs again for another few minutes. This is a sln file with 29 csproj projects in it that was originally created in Visual Studio 2010. I'm wondering if there is a better way to set this up - potentially a native MD file format?

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• For simple C cmd programs: how to add "program executed in 12,345 seconds" ?

  - by WoodsieLord

  I'm a windows user, and I'm learning C. I use Codeblocks and visual c++ 2008 express at home to write simple C command line programs (I'm a beginner) and I find really useful when codeblocks adds a few lines at the end with the time it takes (example: "Process returned 0 (0x0) execution time : 6.848 s"). I want to add this functionality to the .exe so I can 'benchmark' or 'test' the program on a few computers. I tried using time(NULL) but it only works with 1 second precision. I also found very interesting answers here (I'm actually looking for the same thing): http://stackoverflow.com/questions/2173323/calculating-time-by-the-c-code The solution proposed by Mark Wilkins, works fine on visual c++ 2008 express on my windows 64 bit PC, but the .exe does not work anywhere else. Am I doing something wrong? I would like a method to count elapsed wall time for my programs, that must have 32bit compatibility. Thanks in advance!

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