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  • What makes a good software developer? [closed]

    - by David Johnstone
    Previously there have been questions on what makes a good team lead and what makes a good programming team, but I can't find any questions on what makes a good programmer. I believe the answer to this question is especially important in the context of hiring. Hiring the best people you can afford only works when you are able to identify who the best people are. Being able to consistently identify the best people is only possible when you know what makes the best people the best people. The easy answer is "smart and gets things done" (see "Done, and Gets Things Smart" for an interesting response). But surely there is more to being a good software developer than this aphorism. So, what makes a good software developer a good software developer? (Note: For the purposes of this question, I'm not interested in how to actually tell if somebody is a good software developer.)

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  • Authentication settings in IIS Manager versus web.config versus system.serviceModel

    - by Joe
    I'm new to ASP.NET :) I have a WCF web service, and I want to use Basic authentication. I am getting lost in the authentication options: In IIS 6 Manager, I can go in to the properties of the web site and set authentication options. In the web site's web.config file, under system.web, there is an <authentication mode="Windows"/> tag In the web site's web.config file, under system.serviceModel, I can configure: <wsHttpBinding <binding name="MyBinding" <security mode="Transport" <transport clientCredentialType="Basic"/ </security </binding </wsHttpBinding What is the difference between these three? How should each be configured? Some context: I have a simple web site project that contains a single .svc web service, and I want it to use Basic authentication over SSL. (Also, I want it to not use Windows accounts, but maybe that is another question.)

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  • Validation does not work when I use Validator.TryValidateObject.

    - by ashraf
    DataAnnotations does not work with buddy class. The following code always validate true. Why ? var isValid = Validator.TryValidateObject(new Customer(), Context, results, true); and here is the buddy class. public partial class Customer { public string Name { get; set; } public int Age { get; set; } } [MetadataType(typeof(CustomerMetaData))] public partial class Customer { public class CustomerMetaData { [Required(ErrorMessage = "You must supply a name for a customer.")] public string Name { get; set; } } } Here is another thread with same question., but no answer. link text

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  • Using ADO.net Entity Framework 4 with Enumerations? How do I do it ?

    - by Perpetualcoder
    Question 1: I am playing around with EF4 and I have a model class like : public class Candidate { public int Id {get;set;} public string FullName {get;set;} public Gender Sex {get;set;} public EducationLevel HighestDegreeType {get;set;} } Here Gender and EducationLevel are Enums like: public enum Gender {Male,Female,Undisclosed} public enum EducationLevel {HighSchool,Bachelors,Masters,Doctorate} How do I get the Candidate Class and Gender and EducationLevel working with EF4 if: I do model first development I do db first development Edit: Moved question related to object context to another question here.

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  • why do game engines prefer static libraries over dynamic link libraries

    - by numerical25
    I've been reading a few gaming books. And they always prefer to create the engine as a static library over dynamic link. I am new to c++ so I am not highly knowledge when it comes to static libraries and dynamic link libraries. All I know is static libraries increase the size of your program, where DLL link libraries are loaded as you need them within your program. [edit] I've played games where it almost seemed they used DLL's to load in sound, lighting, and what not all individually. as the level was loading up. cause you don't necessarily need that when your at the game menu.

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  • Android AppWidget TextView: How to set background color at run time

    - by Amit
    I am trying to create an AppWidget, in which the background color of a TextView changes at random at specified periodic interval. The TextView is defined in layout xml file as <?xml version="1.0" encoding="utf-8" ?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/widget" android:layout_width="fill_parent" android:layout_height="wrap_content" android:orientation="vertical" > <TextView android:id="@+id/message" android:background="#ff99ff" android:text="Hello Widget" /> </LinearLayout> In update method, i have loaded the layout as RemoteViews remoteView=new RemoteViews(context.getPackageName(),R.layout.widget_message); To change the background of TextView i used the following statement remoteView.setInt(R.id.message, "setBackgroundResource", R.color.col_1); But i am getting a widget saying problem loading widget. If i remove the above line everything works fine. LogCat says: updateAppWidget couldn't find any view, using error view android.widget.RemoteViews$ActionException: view: android.widget.TextView can't use method with RemoteViews: setBackgroundResource(int)

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  • Spring 3 Controller Exception handler implementation problems

    - by predhme
    I was hoping to implement a single "ExceptionController" to handle exceptions that are thrown in execution of my other controllers' methods. I hadn't specified any HandlerExceptionResolver in my application context so according to the API documentation the AnnotationMethodHandlerExceptionResolver should be started. Verified as such in the source. So I am curious to know why the following isn't working. @Controller public class ExceptionController { @ExceptionHandler(NullPointerException.class) public ModelAndView handleNullPointerException(NullPointerException ex) { // Do some stuff log.error(logging stuff) return myModelAndView; } } @Controller public class AnotherController { @RequestMapping(value="/nullpointerpath") public String throwNullPointer() { throw new NullPointerException(); } } I see in the debug logs that the three default exception handlers are asked for handling of the exception, but nothing is done and I see "DispatcherServlet - Could not complete request". Followed by the user being displayed the stacktrace and a 500 Internal error.

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  • Usabe of Python 3 super()

    - by deamon
    I wonder when to use what flavour of Python 3 super(). Help on class super in module builtins: class super(object) | super() -> same as super(__class__, <first argument>) | super(type) -> unbound super object | super(type, obj) -> bound super object; requires isinstance(obj, type) | super(type, type2) -> bound super object; requires issubclass(type2, type) Until now I've used super() only without arguments and it worked as expected (by a Java developer). Questions: What does "bound" mean in this context? What is the difference between bound and unbound super object? When to use super(type, obj) and when super(type, type2)? Would it be better to name the super class like in Mother.__init__(...)?

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  • AJAX.dll is throwing error?

    - by Ramesh
    Hi all, I am using Ajax.dll in my web application.I need to refresh a page for maintaining a session more than one hour, So I created a ajax method that will be called for every 15 mins. Suddenly it throws an error System.NullReferenceException: Object reference not set to an instance of an object. at Ajax.AjaxRequestProcessor.Run() at Ajax.AjaxHandler.ProcessRequest(HttpContext context) at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) I thought the error might be in Ajax dll. Can anyone please help me to get rid of the issue please.

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  • Disabling Magnifying Glass in UITextView in an iPhone App

    - by tgm
    I want to display text and I want to be able to know where in this text a user touches. Because the text could be long, I wanted to use a UITextView so that wrapping and everything would be taken care of. I want my own event handling for when a touch begins or moves. My problem is that the magnifying glass and select/select all menu are interrupting my touchesMoved events. How can i disable the magnifying glass, but still have user interaction enabled so that I can detect the touches?

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  • WCF Service Authentication problem?

    - by Marcus
    I have an application which exposes lots of interfaces via net.tcp protocol, using both SecurityMode.Transport and SecurityMode.None (I really need support for both). My whole application is written in a DLL file. I have a form which consumes this DLL and now I made a Windows Service to consume this DLL. The problem is, when this windows service goes up, the insecure service throws this exception: Stream Security is required at http://www.w3.org/2005/08/addressing/anonymous, but no security context was negotiated. This is likely caused by the remote endpoint missing a StreamSecurityBindingElement from its binding. In the client side, nothing has changed. Is there any reason for this behaviour? The program is exactly the same. When I run the same test with the form app, it works... ps: I've already tried running the windows service as: SYSTEM, NETWORK SERVICE and my user account (which runs the form app) Thanks

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  • IE dropdown z-index bug

    - by Justine
    I'm having a problem with a dropdown menu under IE (6 and 7). http://www.amaconsulting.pl/promocje.html As you can see, the dropdown hides behind the main content area in IE. It's a known bug and general advice is to set a z-index for header and content areas, so IE knows their "place", explained in the article here: http://bit.ly/coSPcI I've set the z-index of .header div to 20 and .featured, .content, .primary, .main to 1, trying to find the right div to fix the problem. While the dropdown stopped hiding behind the .featured div, it still hides behind the main content divs (either .primary or .main, .secondary is fine). The z-indexes for these divs are set in a separate stylesheet, ie.css, in case someone'll be looking for them. If someone could provide some advice, I'd be very grateful.

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  • MVC Authorize Attribute + HttpUnauthorizedResult + FormsAuthentication

    - by Anthony
    After browsing the MVC section on CodePlex I noticed that the [Authorize] attribute in MVC returns a HttpUnauthorizedResult() when authorization fails (codeplex AuthorizeAttribute class). In the source of HttpUnauthorizedResult() from CodePlex is the code (I'm not allowed to enter another URL as my rep isn't high enough, but replace the numbers on the URL above with 22929#266476): // 401 is the HTTP status code for unauthorized access - setting this // will cause the active authentication module to execute its default // unauthorized handler context.HttpContext.Response.StatusCode = 401; In particular, the comment describes the authentication module's default unauthorized handler. I can't seem to find any information on this default unauthorized handler. In particular, I'm not using FormsAuthentication and when authorization fails I get an ugly IIS 401 error page. Does anyone know about this default unauthorized handler, and in particular how FormsAuthentication hooks itself in to override it? I'm writing a really simple app for my football team who confirm or deny whether they can play a particular match. If I enable FormsAuthentication in the web.config the redirect works, but I'm not using FormsAuthentication and I'd like to know if there's a workaround.

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  • AJAX get data from large HTML page as the large HTML page loads

    - by Ed
    Not entirely sure whether this has a name but basically I have a large HTML page that is generated from results in a db. So viewing the HTML page (which is a report) in a browser directly does not display all contents immediately but displays what it has and additional HTML is added as the results from the DB are retrieved... Is there a way I can make an AJAX request to this HTML page and as opposed to waiting until the whole page (report) is ready, I can start processing the response as the HTML report is loaded? Or is there another way of doing it? Atm I make my AJAX response it just sits there for a minute or two until the HTML page is complete... If context is of any use: The HTML report is generated by a Java servlet and the page making the AJAX call is a JSP page. Unfortunately I can't very easily break the report up because it is generated by BIRT (Eclipse reporting extension). Thanks in advance.

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  • Pixel Shader Effect Examples

    - by Chris Nicol
    I've seen a number of pixel-shader effect examples, stuff like swirl on an image. But I'm wondering if anyone knows of any examples or tutorials for more practical uses of shader effects? I'm not saying that a swirl effect doesn't have it's uses, it's just that many of the examples I've found have the basic effect explained and don't go into how it might be used subtly with another effect or transition to produce a wonderful effect. There's a video here, that outlines all the WPF Effects Library, but I'm not sure how I would use some of them in a practical context. For example, when Flash 8 came out with effects like blur, I found a wonderful video that showed how to use the blur effect to create a cool effect with speeding text, that video inspired many ideas of what I could do with the effects in Flash 8. I'm looking for something similar with Pixel Shader Effects.

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  • Check username and password in LINQ query

    - by b0x0rz
    this linq query var users = from u in context.Users where u.UserEMailAdresses.Any(e1 => e1.EMailAddress == userEMail) && u.UserPasswords.Any(e2 => e2.PasswordSaltedHash == passwordSaltedHash) select u; return users.Count(); returns: 1 even when there is nothing in password table. how come? what i am trying to do is get the values of email and passwordHash from two separate tables (UserEMailAddresses and UserPasswords) linked via foreign keys to the third table (Users). it should be simple - checking if email and password mach from form to database. but it is not working for me. i get 1 (for count) even when there are NO entries in the UserPasswords table. is the linq query above completely wrong, or...?

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  • A help system for a PHP web app

    - by Dave
    Hi, As our new web app gets more complicated, so the need for help docs increases. I am not talking about documenting code, I am literally talking about application help. So myapp/help, or for example, enabling context help from a particular point in the app with a link such as myapp/help/users/create/ etc. Are there apps out there for doing this? For example, Wufoo use wordpress for http://wufoo.com/docs/ which I like (and understand wp, so its a nice solution), and Xero have a lovely ASPX http://help.xero.com/ interface. But I'm thinking there might be more dedicated implementations for what I'm looking for. We're on a linux, apache, postgresql, php stack, but a mysql supported installation is not the end of the world. Does anyone have any suggestions for this? It's a bit of a minefield when googling php + help + system.

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  • What resolution should my Android splash screens be?

    - by Dan Fabulich
    I'm creating a splash screen that will display while my Android application loads. I'd like to create it at the correct size so Android won't auto-scale it up or down to fit the screen. But there are at least three important screen sizes I care about: 320x480, 480x854 (Droid), and 480x800 (Nexus One). I've read the documentation on supporting multiple screen sizes, but I still don't see how I'm supposed to configure different splash screens for Droid/Nexus one (they're both "hdpi" resources as far as Android is concerned), and I don't know exactly how large my splash screen should be in any case. (How tall is the OS title bar/menu in Droid? N1?) What size should I make these images, and how do I tell Android to use the correct size on a given screen?

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  • Identify in a unit test if Jetbrains IntelliJ IDEA 8 or 9 is running

    - by Ran Biron
    I need to know, in a context of a unit test, if Jetbrains IntelliJ idea is the test initiator and if it is, which version is running (or at least if it's "9" or earlier). I don't mind doing dirty tricks (reflection, filesystem, environment...) but I do need this to work "out-of-the-box" (without each developer having to setup something special). I've tried some reflection but couldn't find a unique identifier I could latch onto. Any idea? Oh - the language is Java.

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  • jquery cycle "allowPagerClickBubble: true" not quite working

    - by Shelagh
    Hi all, I want my page anchors to work as menu links so I used this code: $(function() { $('#slideshow').cycle({ slideExpr: 'img', fx: 'fade', speed: 2000, timeout: 4000, pager: '#nav', pagerEvent: 'mouseover', pauseOnPagerHover: true, pagerAnchorBuilder: function(idx, slide) { // return sel string for existing anchor return '#nav li:eq(' + (idx) + ') a'; }, allowPagerClickBubble: true }); }); If you click the right mouse button, you can choose to open the links and they do open just fine but a normal left button click does nothing. The thing is, they WERE working so I went to work on supposedly unrelated parts of the website and at some point the left mouse button click stopped working. Any ideas what I might have done? Left button clicking still works for everything else on the site so its not some global setting. The cycle is here if my explanation is not clear: http://www.mcguirenaturals.ca/index.php Thanks for any help

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  • Django doesn't refresh my request object when reloading the current page.

    - by Boris Rusev
    I have a Django web site which I want ot be viewable in different languages. Until this morning everything was working fine. Here is the deal. I go to my say About Us page and it is in English. Below it there is the change language button and when I press it everything "magically" translates to Bulgarian just the way I want it. On the other hand I have a JS menu from which the user is able to browse through the products. I click on 'T-Shirt' then a sub-menu opens bellow the previously pressed containing different categories - Men, Women, Children. The link guides me to a page where the exact clothes I have requested are listed. BUT... When I try to change the language THEN, nothing happens. I go to the Abouts Page, change the language from there, return to the clothes catalog and the language is changed... I will no paste some code. This is my change button code: function changeLanguage() { if (getCookie('language') == 'EN') { setCookie("language", 'BG'); } else { setCookie("language", 'EN'); } window.location.reload(); } These are my URL patterns: urlpatterns = patterns('', # Example: # (r'^enter_clothing/', include('enter_clothing.foo.urls')), # Uncomment the admin/doc line below and add 'django.contrib.admindocs' # to INSTALLED_APPS to enable admin documentation: # (r'^admin/doc/', include('django.contrib.admindocs.urls')), # Uncomment the next line to enable the admin: (r'^site_media/(?P<path>.*)$', 'django.views.static.serve', {'document_root': '/home/boris/Projects/enter_clothing/templates/media', 'show_indexes': True}), (r'^$', 'enter_clothing.clothes_app.views.index'), (r'^home', 'enter_clothing.clothes_app.views.home'), (r'^products', 'enter_clothing.clothes_app.views.products'), (r'^orders', 'enter_clothing.clothes_app.views.orders'), (r'^aboutUs', 'enter_clothing.clothes_app.views.aboutUs'), (r'^contactUs', 'enter_clothing.clothes_app.views.contactUs'), (r'^admin/', include(admin.site.urls)), (r'^(\w+)/(\w+)/page=(\d+)', 'enter_clothing.clothes_app.views.displayClothes'), ) My About Us page: @base def aboutUs(request): return """<b>%s</b>""" % getTranslation("About Us Text", request.COOKIES['language']) The @base method: def base(myfunc): def inner_func(*args, **kwargs): try: args[0].COOKIES['language'] except: args[0].COOKIES['language'] = 'BG' resetGlobalVariables() initCollections(args[0]) categoriesByCollection = dict((collection, getCategoriesFromCollection(args[0], collection)) for collection in collections) if args[0].COOKIES['language'] == 'BG': for k, v in categoriesByCollection.iteritems(): categoriesByCollection[k] = reduce(lambda a,b: a+b, map(lambda x: """<li><a href="/%s/%s/page=1">%s</a></li>""" % (translateCategory(args[0], x), translateCollection(args[0], k), str(x)), v), "") else: for k, v in categoriesByCollection.iteritems(): categoriesByCollection[k] = reduce(lambda a,b: a+b, map(lambda x: """<li><a href="/%s/%s/page=1">%s</a></li>""" % (str(x), str(k), str(x)), v), "") contents = myfunc(*args, **kwargs) return render_to_response('index.html', {'title': title, 'categoriesByCollection': categoriesByCollection.iteritems(), 'keys': enumerate(keys), 'values': enumerate(values), 'contents': contents, 'btnHome':getTranslation("Home Button", args[0].COOKIES['language']), 'btnProducts':getTranslation("Products Button", args[0].COOKIES['language']), 'btnOrders':getTranslation("Orders Button", args[0].COOKIES['language']), 'btnAboutUs':getTranslation("About Us Button", args[0].COOKIES['language']), 'btnContacts':getTranslation("Contact Us Button", args[0].COOKIES['language']), 'btnChangeLanguage':getTranslation("Button Change Language", args[0].COOKIES['language'])}) return inner_func And the catalog page: @base def displayClothes(request, category, collection, page): clothesToDisplay = getClothesFromCollectionAndCategory(request, category, collection) contents = "" pageCount = len(clothesToDisplay) / ( rowCount * columnCount) + 1 matrixSize = rowCount * columnCount currentPage = str(page).replace("page=", "") currentPage = int(currentPage) - 1 #raise Exception(request) # this is for the clothes layout for x in range(currentPage * matrixSize, matrixSize * (currentPage + 1)): if x < len(clothesToDisplay): if request.COOKIES['language'] == 'EN': contents += """<div class="clothes">%s</div>""" % clothesToDisplay[x].getEnglishHTML() else: contents += """<div class="clothes">%s</div>""" % clothesToDisplay[x].getBulgarianHTML() if (x + 1) % columnCount == 0: contents += """<div class="clear"></div>""" contents += """<div class="clear"></div>""" # this is for the page links if pageCount > 1: for x in range(0, pageCount): if x == currentPage: contents += """<a href="/%s/%s/page=%s"><span style="font-size: 20pt; color: black;">%s</span></a>""" % (category, collection, x + 1, x + 1) else: contents += """<a href="/%s/%s/page=%s"><span style="font-size: 20pt; color: blue;">%s</span></a>""" % (category, collection, x + 1, x + 1) return """%s""" % (contents) Let me explain that you needn't be alarmed by the large quantities of code I have posted. You don't have to understand it or even look at all of it. I've published it just in case because I really can't understand the origins of the bug. Now this is how I have narrowed the problem. I am debuging with "raise Exception(request)" every time I want to know what's inside my request object. When I place this in my aboutUs method, the language cookie value changes every time I press the language button. But NOT when I am in the displayClothes method. There the language stays the same. Also I tried putting the exception line in the beginning of the @base method. It turns out the situation there is exactly the same. When I am in my About Us page and click on the button, the language in my request object changes, but when I press the button while in the catalog page it remains unchanged. That is all I could find, and I have no idea as to how Django distinguishes my pages and in what way. P.S. The JavaScript I think works perfectly, I have tested it in multiple ways. Thank you, I hope some of you will read this enormous post, and don't hesitate to ask for more code excerpts.

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  • Where to use Controller.HttpContext

    - by Ben
    Hi, In my base controller's constructor I am calling an extension method that checks for specific cookies on the client. Currently I am using System.Web.HttpContext.Current to get the current context. However, I am lead to believe that I should be using Controller.HttpContext since it is more testable and contains additional information about the request. However, Controller.HttpContext returns null on creation (believe this is by design) but also on Initialize and Execute methods (unless I use Routing.RequestContext.HttpContext?). So if I should be using Controller.HttpContext instead of HttpContext.Current, at what point is it available to me in a request? Thanks Ben

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  • Spring Webflow: cannot get flow execution url at action phase of portlet

    - by tabdulin
    The following exception is thrown: Caused by: java.lang.IllegalStateException: A flow execution action URL can only be obtained in a RenderRequest using a RenderResponse at org.springframework.webflow.context.portlet.PortletExternalContext.getFlowExecutionUrl(PortletExternalContext.java:2 06) at org.springframework.webflow.engine.impl.RequestControlContextImpl.getFlowExecutionUrl(RequestControlContextImpl.java :178) at org.springframework.webflow.mvc.view.AbstractMvcView.render(AbstractMvcView.java:172) at org.springframework.webflow.engine.ViewState.render(ViewState.java:282) at org.springframework.webflow.engine.ViewState.refresh(ViewState.java:241) at org.springframework.webflow.engine.ViewState.resume(ViewState.java:219) at org.springframework.webflow.engine.Flow.resume(Flow.java:545) at org.springframework.webflow.engine.impl.FlowExecutionImpl.resume(FlowExecutionImpl.java:259) ... 62 more It seems for me like resuming execution of flow at action phase tries to do render phase's stuff. Any ideas?

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  • Linq To Objects Auto Increment Number

    - by Nathan
    This feels like a completely basic question, but, for the life of me, I can't seem to work out an elegant solution. Basically, I am doing a Linq Query creating a new object from the query. In the new object, I want to generate a auto-incremented number to allow me to keep a selection order for later use (named Iter in my example). Here is my current solution that does what I am needing: Dim query2 = From x As DictionaryEntry In MasterCalendarInstance _ Order By x.Key _ Select New With {.CalendarId = x.Key, .Iter = 0} For i = 0 To query2.Count - 1 query2(i).Iter = i Next Is there a way to do this within the context of the linq query (so that I don't have to loop the collection after the query)? Thanks!

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  • ASP.NET MVC2 and AJAX

    - by Jason
    I am currently developing a new website utilizing ASP.NET MVC2. Much of what I want to do with the website (from a front-end standpoint) involves AJAX-y-type tasks. Two examples: I want to display forms, and switch between them via a drop-down menu (or through links) without having to go back and hit the server every single time. I want the user to be able to select points on a Chart Control and have portions of the page refresh with the appropriate data depending on what he/she selects (partial page refresh). In both these cases, I am able to accomplish what I wish to accomplish using the traditional web forms event handlers, etc. Unfortunately, the use of a ScriptManager violates the spirit of MVC. It seems as if MVC prevents the use of many of the controls that are available to ASP.NET. So, my question is: how do I use AJAX and make AJAX calls without utilizing ScriptManager and the web forms method of utilizing event handlers?

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