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• Quaere - Anyone using it yet? (LINQ to Objects for Java)

  - by Marty Pitt

  Hi there I'm a .NET guy originally, working in Java recently, and finding I'm really missing LINQ to Objects, specifically for performing filtering against collections. A few people here on Stack Overflow have answered the "LINQ for Java?" question with a single word : Quaere However, on the site it clearly states "Pre-Beta", and there's been no commits to their code for over a year, so I'm guessing the project is pretty much dead. Is anyone actually using this, and / or have any experience with it? The second most common answer appears to be "use Google Collections". Is this the most appropriate Java way? Cheers Marty

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• What does the '&' operator do in C++?

  - by rascher

  n00b question. I am a C guy and I'm trying to understand some C++ code. I have the following function declaration: int foo(const string &myname) { cout << "called foo for: " << myname << endl; return 0; } How does the function signature differ from the equivalent C: int foo(const char *myname) Is there a difference between using string *myname vs string &myname? What is the difference between & in C++ and * in C to indicate pointers? Similarly: const string &GetMethodName() { ... } What is the & doing here? Is there some website that explains how & is used differently in C vs C++?

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• Setting up Windows Authentication In Reporting Services Using Kerberos

  - by Vineet

  Hi, I have yet another problem with Reporting services. Finally I was able to set the ball rolling, achieving success in configuring reporting services with a domain user account. Now I have a problem accessing the server from another machine (in the same domain) using Integrated Windows Authentication in IIS 6.0. I have never had problems with this on networks using NT Authentication, but this is the first time our network is set up to use Kerberos. Here are my IIS settings - Reports (Manager) & ReportServer Virtual directories under Default Website, Both these are configured to run with Integrated Windows Authentication..Anonymous access turned OFF. Reporting Services Windows Service runs under Network service account and Web Service under a domain user account. Note - If I turn on Basic Authentication, it works fine, exceeding all my expectations, but this is not something I want. Any help is appreciated. Thanks Vineet

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• Question regarding inheritance in wxWidgets.

  - by celestialorb

  Currently I'm attempting to write my own wxObject, and I would like for the class to be based off of the wxTextCtrl class. Currently this is what I have: class CommandTextCtrl : public wxTextCtrl { public: void OnKey(wxKeyEvent& event); private: DECLARE_EVENT_TABLE() }; Then later on I have this line of code, which is doesn't like: CommandTextCtrl *ctrl = new CommandTextCtrl(panel, wxID_ANY, *placeholder, *origin, *size); ...and when I attempt to compile the program I receive this error: error: no matching function for call to ‘CommandTextCtrl::CommandTextCtrl(wxPanel*&, <anonymous enum>, const wxString&, const wxPoint&, const wxSize&)’ It seems that it doesn't inherit the constructor method with wxTextCtrl. Does anyone happen to know why it doesn't inherit the constructor? Thanks in advance for any help!

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• How to pass special characters so ASP.NET MVC can handle correctly query string data?

  - by labilbe

  Hello, I am using a route like this one: routes.MapRoute("Invoice-New-NewCustomer", "Invoice/New/Customer/New/{*name}", new { controller = "Customer", action = "NewInvoice" }, new { name = @"[^\.]*" }); There is an action which handles this route: public ActionResult NewInvoice(string name) { AddClientSideValidation(); CustomerViewData viewData = GetNewViewData(); viewData.InvoiceId = "0"; viewData.Customer.Name = name; return View("New", viewData); } When I call return RedirectToAction("NewInvoice", "Customer", new {name}); and name is equal to "The C# Guy", the "name" parameter is truncated to "The C". So my question is : What is the best way to handle this kind of special character with ASP.NET MVC? Thanks!

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• Pageview implementation

  - by The Elite Gentleman

  Hi everyone I want to add a pageview feature on my current web application. This page view is based on the count of user viewing the page. It must be unique, i.e. I must not view a person's page 10000 times and record it as 10000 views, just record 1 view instead. My question is, should I base my pageview count on IP address? If not, what is/are the best approach in doing this? I know that if the person has logged in to my system, I can simply use the user id stored in the session and check on the record if the user has/hasn't viewed the page and update accordingly. But for "anonymous" viewers, what is the best approach? Thanks. PS How does Youtube does it?

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• what are the most essential bundles in symfony2?

  - by user

  this question but i hope it does not, i'll try my best to make clarify it I'm new to symfony2 but not to php, as far as i know, everything in symfony2 is bundles. Being a django guy, i know that the essential apps are: south Django-Debug-Toolbar Haystack Search Django Admin Tools (maybe) fabric the registration and user profile app (unless you decide to use django-userena) Piston I'm not going to make a longer list, you get the point. I know 2 essential apps for symfony2 so far the admin generator and FOSUserBundle. So what are other must have bundles?

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• Spring struts and forms

  - by Kiva

  Hi guy, I need to integrate struts with spring for a project. I read the doc to ingrate struts and it's ok for classic beans but I have a problem for my forms. I have a form like this in my struts-config.xml: <form-beans> <form-bean name="creationForm" type="org.apache.struts.validator.DynaValidatorActionForm" > <form-property name="libelle" type="java.lang.String" /> <form-property name="quantite" type="java.lang.String" /> <form-property name="prix" type="java.lang.String" initial="10" /> </form-bean> But it's strange for me to have a "type" in struts-config because it's spring which manages beans. I don't found anything in the doc to manage forms by spring and the attribute "type" is mandatory for form in struts-config. Someone can help me please ?

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• Why does this crash?

  - by Adam Driscoll

  I've been banging my head...I can't pretend to be a C++ guy... TCHAR * pszUserName = userName.GetBuffer(); SID sid; SecureZeroMemory(&sid, sizeof(sid)); SID_NAME_USE sidNameUse; DWORD cbSid = sizeof(sid); pLog->Log(_T("Getting the SID for user [%s]"), 1, userName); if (!LookupAccountName(NULL, (LPSTR)pszUserName, &sid, &cbSid, NULL, 0, &sidNameUse)) { pLog->Log(_T("Failed to look up user SID. Error code: %d"),1, GetLastError()); return _T(""); } pLog->Log(_T("Converting binary SID to string SID")); The message 'Getting the SID for user [x] is written' but then the app crashes. I'm assuming is was the LookupAccountName call. EDIT: Whoops userName is a MFC CString

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• Are there any widely-agreed upon guidelines for rating your language knowledge on a scale?

  - by DVK

  The question was imagined after a co-worker was complaining for an hour about some guy who could not answer basic Java questions on an interview after self-identifying himself as "8 out of 10" on Java. While that was an obvious fib, I personally always had major trouble defining my specific language skills on a sliding scale unless I'm given specific guidelines (remember 40 standard libraries by heart? Able to solve 10 random Project Euler problems in <30 mins each? Can write implementation of A, B and C data-structures from scratch in 30 mins? Know 30% of standard? Can answer 50% of questions on StackOverflow pertaining to the language?) So, I was wondering - is there some sort of commonly accepted methodology for translating such tangible benchmarks into "rate yourself on a language between 1-10"? "Kernighan gets an A, God gets a B, everyone else gets C and less" type jokes are not helpful :)

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• What tech stack/platform to use for a project?

  - by danny z

  Hey guys, This is a bit of a weird meta-programming question, but I've realized that my new project doesn't need a full MVC framework, and being a rails guy, I'm not sure what to use now. To give you a gist of the necessary functionality; this website will display static pages, but users will be able to log in and 'edit their current plans'. All purchasing and credit card editing is being handled by a recurring payment subscriber, I just need a page to edit their current plan. All of that will be done through (dynamic) XML API calls, so no database is necessary. Should I stick with my typical rails/nginx stack, or is there something I could use that would lighten the load, since I don't need the Rails heft. I'm familiar with python and PHP but would prefer not to go that route. Is Sinatra a good choice here? tl;dr: What's a good way to quickly serve mostly static pages, preferably in Ruby, with some pages requiring dynamic XML rendering?

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• Adding an host programmatically (name resolution under Windows)

  - by Tanelorn

  I would like to programmatically add to Windows a name / IP association so that this name can be resolved locally. This does not have to be persisted between reboots. The only way I now is to add an entry to the "hosts" file, but this feels hacky especially since I would like to automate this. Is there any way to do this using a command-line tool or a Win32 API? Perhaps by addind an entry to Windows DNS cache or something similar? Oh, and please state if this solution is Vista-compatible. Regards. Edit : Thanks, guy. Sadly, all of your answers indeed involve DNS or other servers. I was looking for a purely local solution which would work on a "standard" Windows installation. Such a thing does not seem to exist, though.

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• Where/When do C# and the .NET Framework fail to be the right tool?

  - by Nate Bross

  In my non-programming life, I always attempt to use the appropriate tool for the job, and I feel that I do the same in my programming life, but I find that I am choosing C# and .NET for almost everything. I'm finding it hard to come up with (realistic business) needs that cannot be met by .NET and C#. Obviously embedded systems might require something less bloated than the .NET Micro Framework, but I'm really looking for line of business type situations where .NET is not the best tool. I'm primarly a C# and .NET guy since its what I'm the most comfertable in, but I know a fair amount of C++, php, VB, PowerShell, batch files, and Java, as well as being versed in the web technologes (JavaScript, HTML, and CSS). But I'm open minded about it my skill set and I'm looking for cases where C# and .NET are not the right tool for the job. I choose .NET and C# because I'm comfortable with it, but I'm looking for cases where it isn't appropriate.

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• java question: Is it a method?

  - by Stefan

  Hello, I'm no Java guy, so I ask myself what this means: public Button(Light light) { this.light = light; } Is Button a method? I ask myself, because it takes an input parameter light. But if it was a method, why would it begin with a capital letter and has no return data type? Here comes the full example: public class Button { private Light light; public Button(Light light) { this.light = light; } public void press() { light.turnOn(); } } I know, this question is really trivial. However, I have nothing to do with Java and haven't found a description for the Button thing above. I'm just interested.

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• Twitter xAuth vs open source

  - by Yorirou

  Hi I am developing an open source desktop twitter client. I would like to take advantage on the new xAuth authentication method, however my app is open source which means that if I put the keys directly into the source file, it may be a vulnerability (am I correct? The twitter support guy told me). On the other hand, putting the key directly into a binary also doesn't make sense. I am writing my application in python, so if I just supply the pyc files, it is one more seconds to get the keys, thanks to the excellent reflection capatibilities of Python. If I create a small .so file with the keys, it is also trivial to obtain the key by looking at the raw binary (keys has fixed length and character set). What is your opinion? Is it really a secutiry hole to expose the API keys?

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• Where to learn about VS debugger 'magic names'

  - by Gael Fraiteur

  If you've ever used Reflector, you probably noticed that the C# compiler generates types, methods, fields, and local variables, that deserve 'special' display by the debugger. For instance, local variables beginning with 'CS$' are not displayed to the user. There are other special naming conventions for closure types of anonymous methods, backing fields of automatic properties, and so on. My question: where to learn about these naming conventions? Does anyone know about some documentation? My objective is to make PostSharp 2.0 use the same conventions. Thank you!

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• Can't require local CoffeeScript modules

  - by superlukas

  I'm running Node.js 0.10.21. I tried both CoffeeScript 1.6.3 and master both with and without require('coffee-script/extensions'). Compiling the two files to JavaScript and running them directly in Node works just fine of course. # ./folder/a.coffee require('../b').test() # ./b.coffee exports.test = -> console.log 'yay' # $ coffee folder/a.coffee # # Error: Cannot find module '../b' # at Function.Module._resolveFilename (module.js:338:15) # at Function.Module._load (module.js:280:25) # at Module.require (module.js:364:17) # at require (module.js:380:17) # at Object.<anonymous> (/Users/test/folder/a.coffee:1:1) # at Module._compile (module.js:456:26)

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• Understanding a skelton of jQuery plugin

  - by TK

  At a website, I found the following code to make a jQuery plugin: (function($){ // Our code here... })(jQuery); I don't understand how the code above works. What I understand is that the code executes immediately because the very last () in function(){}(). So the entire code says that is an anonymous function that is run immediately. But I don't understand why the wrapping needs to pass jQuery and that inside it needs $ to be passed. From my understanding, $ is an alias to jQuery, meaning practically the same. What is the meaning of $ and jQuery here? How does the overall code work as a jQuery plugin?

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• ASP.NET & Oracle Windows Authentication - Is this possible?

  - by user118190

  I am trying to enable Windows Authentication on my IIS 6.0 Server with some client technology and Oracle DB server. When I load the ASPX page and have unchecked Anonymous Access and checked Integrated Windows Authentication, I can see my LOGON_USER credentials on the server via tracing. I am now trying to see if the same user can read data from a LINUX-based Oracle server. I can't seem to pass over the credentials! How can I connect to Oracle? Anything special I should know about in terms of web.config files? Another question is, I'm assuming the Oracle server should be 'hooked' to Active Directory? How about manually adding users to the allowed tables? What about Oracle's LDAP, OID? Can anyone direct me to a good link for reference?

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• Taking Responsibilites too early - danger or boon?

  - by narresh

  Just I am only six months experienced guy in software industry.Due to recession season,a large volume of employees from our company are asked to leave.This impact affects the new inexperienced guys. The problem is We have to interact with the client directly to gather the requirement We have to design all HLD and LLD ,use cases and DB Diagrams ,that should staisfy the customers who keeping the high software insdutry standards In this do or die situation (Client gives us narrow dead line),we spend most of time with interacting client (only less time is available for development and testing,even sit out for 24 X 7 won't help us to finish our task) If task will not be finished with in the expected time frame ,that will trigger poor performance ration to our profile There are two important questions flashing in our mind : (1) Quit the job and do other business (2) Face the challenge : (if the option is to face the challenge ,What are all the tools should we follow to automate requirement gathering,testing,DB diagram,Code review and the rest.(We are working on ASP.NET 3.5 with SQL Server 2005).

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• What's the best example of pure show-off code you've seen?

  - by Damovisa

  Let's face it, programmers can be show-offs. I've seen a lot of code that was only done a particular way to prove how smart the person who wrote it was. What's the best example of pure show-off code you've seen (or been responsible for) in your time? For me, it'd have to be the guy who wrote FizzBuzz in one line on a whiteboard during a programming interview. Not really that impressive in the scheme of things, but completely unnecessary and pure, "look-what-I-can-do". I've lost the original code, but I think it was something like this (linebreaks for readability): Enumerable.Range(1,100).ToList().ForEach( n => Console.WriteLine( (n%3==0) ? (n%5==0) ? "FizzBuzz" : "Fizz" : (n%5==0) ? "Buzz" : n ) );

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• LINQ-to-XML to DataGridView: Cannot edit fields -- How to fix?

  - by Pretzel

  I am currently doing LINQ-to-XML and populating a DataGridView with my query just fine. The trouble I am running into is that once loaded into the DataGridView, the values appear to be Un-editable (ReadOnly). Here's my code: var barcodes = (from src in xmldoc.Descendants("Container") where src.Descendants().Count() > 0 select new { Id = (string)src.Element("Id"), Barcode = (string)src.Element("Barcode"), Quantity = float.Parse((string)src.Element("Quantity").Attribute("value")) }).Distinct(); dataGridView1.DataSource = barcodes.ToList(); I read somewhere that the "DataGridView will be in ReadOnly mode when you use Anonymous types." But I couldn't find an explanation why or exactly what to do about it. Any ideas?

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• How do I get Facebook Connect to alert me when people comment on my blog?

  - by andygeers

  I'm using Facebook Connect's "Comments Box" (http://wiki.developers.facebook.com/index.php/Comments_Box) to handle comments on my blog. However, there doesn't appear to be an easy way to find out when people comment - ideally I'd like to receive an email whenever it happens, but I'd settle for an RSS feed or similar. Is there an easy way to set this up? Officially as an admin you can enable "notifications" but these are just the passive things that show up when you log on to Facebook itself - I rarely do this, and anyway it doesn't seem to work for anonymous comments.

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• How to make an Asp.net MVC 2 website have a Private Beta Mode.

  - by Mark Kitz

  I am creating an ASP.Net MVC website that I am launching soon in private beta. What I am using. ASP.NET MVC 2 ASP.NET Sql Membership Provider Authorization Attributes on ActionMethods. ex. [EditorsOnly] What I am trying to accomplish: During the private Beta period of my website, I want no anonymous users to access my site. Only Beta Testers of my site should be able to login and use my site as normal. After the private beta period people can access it using the security structure I already have set up. I am hoping I do not have to recompile but can have a setting in the webconfig to switch between Private Beta mode to Normal mode. Thanks for your suggestions.

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• How can I give values to webBrowser control text boxes ?

  - by Rizwan Aaqil

  Please go to this website : http://www.dofellow.com/ and see the software video. This guy is giving values to webBrowser control text boxes from database / datagrid / textbox etc. Can anyone tell me how is he doing that ? I think every website have different ids for text boxes then how he is giving values to those fields ? Also, how is he searching for do follow links on google ? Can anyone share the search query with me? Thanks in advance.

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