Search Results

Search found 2447 results on 98 pages for 'alex larsen'.

Page 82/98 | < Previous Page | 78 79 80 81 82 83 84 85 86 87 88 89  | Next Page >

  • Scala puts precedence on implicit conversion over "natural" operations... Why? Is this a bug? Or am

    - by Alex R
    This simple test, of course, works as expected: scala var b = 2 b: Int = 2 scala b += 1 scala b res3: Int = 3 Now I bring this into scope: class A(var x: Int) { def +=(y:Int) { this.x += y } } implicit def int2A(i:Int) : A = new A(i) I'm defining a new class and a += operation on it. I never expected this would affect the way my regular Ints behave. But it does: scala var b:Int = 0 b: Int = 0 scala b += 1 scala b res29: Int = 0 scala b += 2 scala b res31: Int = 0 Scala seems to prefer the implicit conversion over the natural += that is already defined to Ints. That leads to several questions... Why? Is this a bug? Is it by design? Is there a work-around (other than not using "+=")? Thanks

    Read the article

  • how to deal with international time?

    - by alex
    i build a new website.but the host is in USA.i am not in USA. i need get the time on the website page to compare with one local Variable. But because of time difference,it has 8 hous difference?how to solve this problom? my code SimpleDateFormat formatter = new SimpleDateFormat("HH:mm:ss"); java.util.Date currentTime = new java.util.Date(); String dateString = formatter.format(currentTime); ` how to revise these code ?

    Read the article

  • Rails: Duplicate functionality across controllers? A humble plea.

    - by Alex
    So I'm working with authlogic, and I'm trying to duplicate the login functionality to the welcome page, so that you can log in by restful url or by just going to the main page. No, I don't know if we'll keep that feature, but I want to test it out anyway. Here's the error message: RuntimeError in Welcome#index Called id for nil, which would mistakenly be 4 -- if you really wanted the id of nil, use object_id The code is below. Basically, what's happening is the index view (the first code snippet) is sending the information from the form to the create method of user_sessions controller. At this point, in theory, it create should just pick up, but it doesn't. PLEASE help. Please. I've been doing this for about 8 hours. I checked Google. I checked IRC. I checked every book I could find. You don't even have to answer, I can to the grunt work if you just point me in the right direction. <% form_for @user_session, :url => user_sessions_path do |f| %> <%= f.text_field :email %><br /> <%= f.password_field :password %> <%= submit_tag 'Login' %> <% end %> class ApplicationController < ActionController::Base helper :all # include all helpers, all the time protect_from_forgery # See ActionController::RequestForgeryProtection for details # Scrub sensitive parameters from your log # filter_parameter_logging :password helper_method :current_user_session, :current_user before_filter :new_session_object protected def new_session_object unless current_user @user_session = UserSession.new(params[:user_session]) end end private def current_user_session return @current_user_session if defined?(@current_user_session) @current_user_session = UserSession.find end def current_user return @current_user if defined?(@current_user) @current_user = current_user_session && current_user_session.record end end

    Read the article

  • Best way to create Default.png image for iPhone app

    - by Alex
    Originally I though I'll just take a screenshot of my app on the iPhone then tweak it in Photoshop. The images should be 480 x 320 according to Apple doc, and the dimensions of my screenshot are 480 x 320. But, the screenshot contains notification area (where reception bars, battery life, etc. are displayed) So, if I chop that part off my image will be a bit shorter and not 480px high. What do I do? Submit a shorter image? Stretch it up so it's 480px but without the notification bar? Submit it with the notification bar in the image? How did you create your Default.png?

    Read the article

  • How many android apps are open source?

    - by Alex
    I know that the android plattform is open source. What I am interested in is the share of open source Android apps, thus developers that realease their own apps under a open source license. Does anybody have an idea, how to get this information?

    Read the article

  • How to exit a process run with C++ if it takes more than 5 seconds?

    - by Alex
    I'm implementing a checking system in C++. It runs executables with different tests. If the solution is not correct, it can take forever for it to finish with certain hard tests. That's why I want to limit the execution time to 5 seconds. I'm using system() function to run executables: system("./solution"); .NET has a great WaitForExit() method, what about native C++?. I'm also using Qt, so Qt-based solutions are welcome. So is there a way to limit external process' execution time to 5 seconds? Thanks

    Read the article

  • SSIS Package deployed - Fails when executed from schedule

    - by alex
    I've deployed a SSIS package to my SQL server. I can run the package fine by connecting to Integration Services in SSMS and right clicking on it and choosing "Run Package" However, if I schedule the package, it fails. It tells me to check the logs for information on why, but there is nothing in there... Any ideas? (this is my first SSIS package by the way)

    Read the article

  • Own params to PeriodicTask run() method in Celery

    - by Alex Isayko
    Hello to all! I am writing a small Django application and I should be able to create for each model object its periodical task which will be executed with a certain interval. I'm use for this a Celery application, but i can't understand one thing: class ProcessQueryTask(PeriodicTask): run_every = timedelta(minutes=1) def run(self, query_task_pk, **kwargs): logging.info('Process celery task for QueryTask %d' % query_task_pk) task = QueryTask.objects.get(pk=query_task_pk) task.exec_task() return True Then i'm do following: >>> from tasks.tasks import ProcessQueryTask >>> result1 = ProcessQueryTask.delay(query_task_pk=1) >>> result2 = ProcessQueryTask.delay(query_task_pk=2) First call is success, but other periodical calls returning the error - TypeError: run() takes exactly 2 non-keyword arguments (1 given) in celeryd server. So, can i pass own params to PeriodicTask run() ? Thanks!

    Read the article

  • Compare string and array

    - by alex
    Hello all! I have an array and variable. If the variable does not exist in the array to be added, if there is - remove from the array. Why not work? $ar = ["a","b","c"]; $vr = "b"; foreach ($ar as $i => $value) { if ($value == $vr) { unset ($ar[$i]); } else { $ar[] = $vr; $ar = array_unique($ar); } } Thanks.

    Read the article

  • .NET Threading : How to wait for other thread to finish some task

    - by Alex Ilyin
    Assume I have method void SomeMethod(Action callback) This method does some work in background thread and then invokes callback. The question is - how to block current thread until callback is called ? There is an example bool finished = false; SomeMethod(delegate{ finished = true; }); while(!finished) Thread.Sleep(); But I'm sure there should be better way

    Read the article

  • multiple threads writting to a same socket problem

    - by alex
    Hi: My program uses sockets for inter-process communication. There is one server listening on a socket port(B) on localhost waiting for a list of TCP clients to connect. And on the other end of the server is another a socket(A) that sends out data to internet. The server is designed to take everything the TCP clients send him and forward to a server on the internet. My question is if two of the TCP clients happened to send data at the same time, is this going to be a problem for the server's outgoing socket(A)? Thanks

    Read the article

  • Append some HTML into the HEAD tag?

    - by Alex
    Hi! I want to add some style to head tag in html page using javascript. var h = document.getElementsByTagName('head').item(0); h.innerHTML += '<style>a{font-size:100px;}</style>'; But when I run this code in IE8 I see this error message: Could not set the innerHTML property. Invalid target element for this operation. Any ideas?

    Read the article

  • ASP.NET check if LinqToEntities returned something or not.

    - by Alex
    How to make this method return boolean value, depending on query return. False - nothing, True - data exists. Before i just returned int from uniqueQuote.Count() but does not look like great method. Thank you! private bool CheckEnquiryUser(int enquiryId, Guid userId) { int selectedEnquiryId = enquiryId; Guid currentUserId = userId; Entities ctx3 = new Entities(); var uniqueQuote = from quot in ctx3.Enquiries.Include("aspnet_Users") where quot.EnquiryId == selectedEnquiryId && quot.aspnet_Users.UserId == currentUserId select quot; bool exist = uniqueQuote; return exist;

    Read the article

  • Django database - how to add this column in raw SQL.

    - by alex
    Suppose I have my models set up already. class books(models.Model): title = models.CharField... ISBN = models.Integer... What if I want to add this column to my table? user = models.ForeignKey(User, unique=True) How would I write the raw SQL in my database so that this column works?

    Read the article

  • Getting all parent rows in one SQL query

    - by Alex
    I have a simple MySQL table thats contains a list of categories, level is determined by parent_id: id name parent_id --------------------------- 1 Home 0 2 About 1 3 Contact 1 4 Legal 2 5 Privacy 4 6 Products 1 7 Support 1 I'm attempting to make a breadcrumb trail. So i have the 'id' of the child, I want to get all available parents (iterating up the chain until we reach 0 "Home"). There could be any number or child rows going to an unlimited depth. Currently I am using an SQL call for each parent, this is messy. Is there a way in SQL to do this all on one query?

    Read the article

< Previous Page | 78 79 80 81 82 83 84 85 86 87 88 89  | Next Page >