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  • How should I be storing objects that I wish to access in reverse order of the way I placed them in

    - by andrew hicks
    I'm following this guide here: http://www.mazeworks.com/mazegen/mazetut/index.htm Or more specficially create a CellStack (LIFO) to hold a list of cell locations set TotalCells = number of cells in grid choose a cell at random and call it CurrentCell set VisitedCells = 1 while VisitedCells < TotalCells find all neighbors of CurrentCell with all walls intact if one or more found choose one at random knock down the wall between it and CurrentCell push CurrentCell location on the CellStack make the new cell CurrentCell add 1 to VisitedCells else pop the most recent cell entry off the CellStack make it CurrentCell endIf endWhile Im writing this in java, My problem is. How should I be storing my visited cells, So that I can access them from reverse order of when I placed them in. Like this? List<Location> visitedCells = new ArrayList<Location>(); Then do I grab with visitedCells.get(visitedCells.size()-1)? Location stores the x, y and z. Not something Im trying to ask you.

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  • Devise role based routing

    - by teknull
    I have an app with multiple users. Each user as a theoretical role (user, client, etc). I've designed a view/controller for each user type. I want to be able to login each type of user do a different root url and lock them to it. Originally I was going to add a column to Users in Devise called role and so I can differentiate the users. The problem I'm having is how to say in routes.rb if current_user.role == "client" root :to = 'controller#index' Once they are logged in to the page I also want to keep them from being able to visit any of my other paths ie: domain.com/calls domain.com/units I've been looking into cancan to run alongside Devise but I'm not sure if this is the answer.

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  • html5media & flowplayer wmode issues...

    - by minusidea
    I'm working on our new homepage and need to implement a solution that will run a video across iphone/ipad and the standard web browsers. I found a pretty decent solution with html5media - http://code.google.com/p/html5media/ but ran across an issue with a jquery dropdown falling behind the the swf object (this only happens on FF & IE - works fine on Safari & Chrome because it's loading mp4 instead of a swf object). I know the issue is the wmode setting but can not for the life of me figure out where to set it in the html5media (http://html5media.googlecode.com/svn/trunk/src/html5media.min.js). I'm hoping someone can help me or possibly give me a better solution of implementing the video. You can see the development page at idssite(dot)com/development/index.php - Sorry I can't link I'm being stopped by the spam prevention mechanism. Thanks

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  • Optimise & improve performance of this MYSQL query

    - by David
    SELECT u.id, u.honour, COUNT(*) + 1 AS rank FROM user_info u INNER JOIN user_info u2 ON u.honour < u2.honour WHERE u.id = '$id' AND u2.status = 'Alive' AND u2.rank != '14' This query is currently utterly raping my server. It works out based on your honour what rank you are within the 'user_info' table which stores it out of all our users. Screenshot for explain. http://cl.ly/370z0v2Y3v2X1t1r1k2A SELECT u.id, u.honour, COUNT(*)+1 as rank FROM user_info u USE INDEX (prestigeOptimiser) INNER JOIN user_info u2 ON u.honour < u2.honour WHERE u.id='3' AND u2.status='Alive' AND u2.rank!='14'

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  • IIS 7 problem which does not occur under apache

    - by cc0
    I'm hosting a little site using a JavaScript to draw a simple graph. It involves one html index file, some css and some js files. It has all been working perfectly on two different apache servers, but when I set up IIS 7 the ajax calls fail. I get no java debug errors in firefox that I can work with, or any kind of error message at all. Without going into the code itself, does anyone have a similar experience with IIS? This is the first time I'm using IIS so I'm not quite sure what to expect to have trouble with. I'd love some input on this, if I have to delve into the code itself I'll make a new thread, I just thought I'd see if this could be a typical issue. Any help is appreciated!

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  • Visually Viewing and Editing a Two-Dimensional Array - VB/C#

    - by Jeffrey Kern
    I've never personally used any of the Data controls within Visual Studio. I need to view and edit a two-dimensional byte array, 16x15 objects. Is there any control capable of editing this information? I've tried to access data with the DataViewGrid, but am not sure how to use it. It would be great to edit this information via rows and columns, like how you can in Excel. Thank you! Times like this I wish I could just use multiple text boxes and assign them each an index value. Oh VB6 how I miss you :P

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  • setting minDate in datepicker in Rails

    - by Sakshi Jain
    I need to apply minDate attribute to the datepicker in Rails App. In _admin_controls.html.erb <%= f.input :end_date, wrapper: :append do %> <div id="datepicker" class="datepicker input-group edit-left"> <%= f.text_field :end_date, :class => "datetime form-control" %> application.js contains jQuery(document).on('focus', 'input.datetime', function() { opts = {format: 'M dd, yyyy', autoclose: true}; jQuery(this).datepicker(opts); jQuery(".datepicker").css("z-index",10000); }); What should be the javascript to do so only for _admin_controls.html.erb?

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  • In .NET MVC, is there an easy way to check if I'm on the home page?

    - by Hairgami_Master
    I need to take a particular action if a user logs in from the home page. In my LogOnModel, I have a hidden field: @Html.Hidden("returnUrl", Request.Url.AbsoluteUri) In my Controller, I need to check if that value is the Home page or not. In the example below, I'm checking to see if the user is on a particular page ("Account/ResetPassword"). Is there a way to check to see if they're on the home page without resorting to regular expressions? [HttpPost] public ActionResult LogOnInt(LogOnModel model) { if (model.returnUrl.Contains("/Account/ResetPassword")) { return Json(new { redirectToUrl = @Url.Action("Index","Home")}); } Any ideas? A million thanks!

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  • How to make a page print to printer just once

    - by menislici
    I have a basic html page generated through php and it prints to a printer after a link click using Ben Nadel's print plugin. However, I don't want the user to print the page again. I tried setting the 'print' link to a negative z-index using jquery after it's being clicked, but the user can refresh the page and reuse the link so it would print again. I also know that I can somehow disable the refresh feature, by modifying what F5 does, but that would't save the day since the user can refresh the page through the url bar, and I can't remove/hide, it as much as I know. It also runs on localhost so the user client and server are on the same side. Even the browser doesn't matter since I could use the one that fits this case.

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  • SEO friendly URLs (.htaccess)

    - by user317005
    http://www.domain.com/folder/file?x=1&y=2 Change to: http://www.domain.com/folder/file/1/2/ http://www.domain.com/folder/?x=1 Change to: http://www.domain.com/folder/1/ I tried: Options +FollowSymLinks RewriteEngine On RewriteRule ^folder/(.*)/$ folder/index.php?x=$1 [L] RewriteRule ^folder/file/(.*)/(.*)/$ folder/file.php?x=$1&y=$2 [L] but that doesn't work, does anyone have any idea why? when i take out the first rule, i can access the second one via: http://www.domain.com/folder/1/2/ but not: http://www.domain.com/folder/file/1/2/ god, i hope i am not confusing anyone who is reading this lol i hope it makes sense

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  • Why doesn't this work? jquery javascript

    - by mars
    $(document).ready(function() { musicList = new array() counter = 0; if($(".rA, .trA, .dA, .hA").length > 0) { /*$(".rA, .trA, .dA, .hA").each(function(e){*/ $(".hA").each(function(e){ $.post("/index/audio/ajax.track", { id: $(this).attr("rel") }, function(data){ /*THIS DOESN'NT WORK */ musicList.push(data.file); /*THIS DOESN'NT WORK */ alert(data.file);/*this words*/ }, "json"); counter++; }); if(counter>0) { alert(counter); } } }); I don't see anything wrong with the code but I have no idea why it won't work I just spent 3 hours trying to get it to work

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  • Any way to avoid a filesort when order by is different to where clause?

    - by Julian
    I have an incredibly simple query (table type InnoDb) and EXPLAIN says that MySQL must do an extra pass to find out how to retrieve the rows in sorted order. SELECT * FROM `comments` WHERE (commentable_id = 1976) ORDER BY created_at desc LIMIT 0, 5 exact explain output: table select_type type extra possible_keys key key length ref rows comments simple ref using where; using filesort common_lookups common_lookups 5 const 89 commentable_id is indexed. Comments has nothing trick in it, just a content field. The manual suggests that if the order by is different to the where, there is no way filesort can be avoided. http://dev.mysql.com/doc/refman/5.0/en/order-by-optimization.html I also tried order by id as well as it's equivalent but makes no difference, even if I add id as an index (which I understand is not required as id is indexed implicitly in MySQL). thanks in advance for any ideas!

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  • CSS center in IE6, 7, and 8

    - by John
    This code works for IE7 and 8 but not for 6. How can I get it to work for 6. Or is there a better way to do it? #contentLoading { width:90px; height: 90px; position: fixed; top: 50%; left: 50%; background:url(_img/ajax-loader4.gif) no-repeat center #fff; text-align:center; padding:10px; font:normal 16px Tahoma, Geneva, sans-serif; border:2px solid #666; margin-left: -50px; margin-top: -50px; z-index:2; overflow: auto; }

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  • Xcode automatically converts the object to NSArray

    - by Farrukh Javeid
    I have been working on an app and during the development, I am facing a very strange problem. I have a NSMutableArray tempSortedArray, which is full of objects of Store types. All the objects are valid as I can see them in my GUI, the problem arises when I iterate through the array, at index 90, which can be generally anyone, the XCode converts the Store object to NSMutableArray object. Any idea, why this is happening. This is the code to check out what I am doing: NSSortDescriptor *sortDescriptor = [[NSSortDescriptor alloc] initWithKey:@"cashBack" ascending:NO]; NSArray *sortDescriptors = [NSArray arrayWithObject:sortDescriptor]; NSArray *sortedArray = [storesArray sortedArrayUsingDescriptors:sortDescriptors]; for (int i = 0; i < [tempSortedArray count]; i++) { Store *currentStore = [tempSortedArray objectAtIndex:i]; NSLog(@"store class: %@", [currentStore.class description]); if (currentStore.cashBackTypeString != (id)[NSNull null]) { //do whatever is required to do here }

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  • Difficulties with Django on Google App Engine

    - by Rosarch
    I have a Django project that works fine. I'm trying to import it to Google App Engine. I run it on the dev server, and I get an import error: ImportError at / No module named mysite.urls This is the folder structure of mysite/: app.yaml <DIR> myapp index.yaml main.py manage.py <DIR> media settings.py urls.py __init__.py app.yaml: application: mysite version: 1 runtime: python api_version: 1 handlers: - url: .* script: main.py from settings.py: ROOT_URLCONF = 'mysite.urls' What am I doing wrong?

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  • Creating a stored procedure in SQL Server 2008 that will do a "facebook search"

    - by dig
    Hello, I'm trying to implement a facebook search in my system (auto suggest while typing). I've managed to code all the ajax stuff, but I'm not sure how to query the database. I've created a table called People which contains the fields: ID, FirstName, LastName, MiddleName, Email. I've also created a FTS-index on all those fields. I want to create a stored procedure that will get as a parameter the text inserted in the query box and returns the suggestions. For example, When I will write in the textbox the query "Joh Do" It will translate to the query: select * from People where contains(*, '"Joh*"') and contains(*, '"Do*"') Is there a way to do that in stored procedure? P.S I've tried to use the syntax select * from People where contains(*,'"Joh*" and "Do*"') but it didn't returned the expected results, probably because it needs to search the words on different fields. Is there a way to fix that? Thanks.

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  • rails - caches_action expire_action

    - by mark
    Hi I want to expire a cached action and wondered how to generate the correct reference. #controller caches_action :index, :layout => false #generates this fragment which works fine views/0.0.0.0:3000/article/someid/posts #sweeper ... expire_action article_posts_path(:article_id => post.article) # results in this Expired fragment: views//en/article/someid/posts (0.0ms) So this is almost ok, except the host is missing. What do I do that supplies this to the expire_action method? Thanks in advance.

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  • messages stuck permanently in session

    - by Tim Whitlock
    I am getting Drupal messages stuck permanently in session, so that after being displayed they are not cleared. The unsetting code in function drupal_get_messages in bootstrap.inc is firing - It's as if the session is sleeping (i.e. serializing to disk) before the messages array is cleared. Have you witnessed such a thing? UPDATE The call that commits the session starts from drupal_page_footer at the bottom of index.php - for some reason this is executing twice per request! once with the emptied messages and then again with the messages back in the array.

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  • How can I view javadocs that have been added to a maven repository?

    - by Coderer
    I know I can use maven to pull the javadocs for an artifact (if they've been added), which should come through as a JAR (right?), which I can then unpack and browse. My problem is, I'm trying to figure out which of a series of artifacts have the particular package I'm hunting for. I could download a half-dozen javadoc packages, unpack all of them, then open the index files one at a time, but that sounds like it would be pretty unpleasant. There must be a better way! I noticed that Nexus supports javadoc artifact browsing, but apparently only in the Pro version (which we do not have, and are unlikely to get any time soon). I'd prefer a GUI solution, though I'd settle for a command line answer, provided it's something along the lines of showmethedocs groupId:artifactId [version].

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  • JS DOM: Get elements by text content.

    - by hristo
    Hello! I am looking for a way to perform fulltext search on the DOM tree with JS. In two words, I would like to retrieve the list of text nodes which contain a given string. I've tried mootools' Element.getElements ( ':contains[string]' ) but I can't get it to work with strings containing whitespace. I'm thinking about simply indexing all text nodes and checking against each node for the string being searched for, but, in my project, there's no way of telling when the DOM updates in order to maintain such an index up-to-date. Any better ideas? Thanks

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  • Query Becnhmark.

    - by Deepika
    I am using autobech for doing becnhmark. An example of autobench command is as shown below. autobench --single_host --host1 testhost.foo.com --uri1 /index.html --quiet --timeout 5 --low_rate 20 --high_rate 200 --rate_step 20 --num_call 10 --num_conn 5000 --file bench.tsv The uri which I have to specify has a query attached to it. When I run the command which has the query, I get the following result dem_req_rate req_rate_localhost con_rate_localhost min_rep_rate_localhost avg_rep_rate_localhost max_rep_rate_localhost stddev_rep_rate_localhost resp_time_localhost net_io_localhost errors_localhost 200 0 20 0 0 0 0 0 0 101 400 0 40 0 0 0 0 0 0 101 600 0 60 0 0 0 0 0 0 101 800 0 80 0 0 0 0 0 0 101 1000 0 100 0 0 0 0 0 0 101 1200 0 120 0 0 0 0 0 0 101 1400 0 140 0 0 0 0 0 0 101 1600 0 160 0 0 0 0 0 0 101 1800 0 180 0 0 0 0 0 0 101 2000 0 200 0 0 0 0 0 0 101 The query request, response are all zeroes. Can anybody please tell me how to give a query as part of the uri? Thank you in advance

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  • How can I change the link format in will_paginate for page_cache in Ruby on Rails?

    - by jaehyun
    I want to use page_cache with will_paginate. There are good information on this page below. http://railsenvy.com/2007/2/28/rails-caching-tutorial#pagination http://railslab.newrelic.com/2009/02/05/episode-5-advanced-page-caching I wrote routes.rb looks like: map.connect '/products/page/:page', :controller => 'products', :action => 'index' But, links of url are not changed to '/products/page/:page' which are in will_paginate helper. They are still 'products?page=2' How can i change url format is in will_paginate?

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  • My application crashing Please help me out.

    - by kiran kumar
    My Application get crashing ... its loading data of all the cities... and when i click its displaying my detailed view controller.... when iam getting back from my controller... and selecting another city my application get crashed.. Please help me out. To get idea i am pasting my code. #import "CityNameViewController.h" #import "Cities.h" #import "XMLParser.h" #import "PartyTemperature_AppDelegate.h" #import "CityEventViewController.h" @implementation CityNameViewController //@synthesize aCities; @synthesize appDelegate; @synthesize currentIndex; @synthesize aCities; /* // The designated initializer. Override if you create the controller programmatically and want to perform customization that is not appropriate for viewDidLoad. - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil { if ((self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil])) { // Custom initialization } return self; } */ // Implement viewDidLoad to do additional setup after loading the view, typically from a nib. - (void)viewDidLoad { [super viewDidLoad]; self.title=@"Cities"; appDelegate=(PartyTemperature_AppDelegate *)[[UIApplication sharedApplication]delegate]; } /* // Override to allow orientations other than the default portrait orientation. - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation { // Return YES for supported orientations return (interfaceOrientation == UIInterfaceOrientationPortrait); } */ - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { // Return the number of sections. return 1; } - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { // Return the number of rows in the section. return [appDelegate.cityListArray count]; } - (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath { return 95.0f; } - (void)tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath { cell.accessoryType=UITableViewCellAccessoryDisclosureIndicator; cell.textLabel.textColor = [[[UIColor alloc] initWithRed:0.2 green:0.2 blue:0.6 alpha:1] autorelease]; cell.detailTextLabel.textColor = [UIColor blackColor]; cell.detailTextLabel.font=[UIFont systemFontOfSize:10]; if (indexPath.row %2 == 1) { cell.backgroundColor = [[[UIColor alloc] initWithRed:0.87f green:0.87f blue:0.87f alpha:1.0f] autorelease]; } else { cell.backgroundColor = [[[UIColor alloc] initWithRed:0.97f green:0.97f blue:0.97f alpha:1.0f] autorelease]; } } // Customize the appearance of table view cells. - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"Cell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell == nil) { cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:CellIdentifier] autorelease]; cell.selectionStyle= UITableViewCellSelectionStyleBlue; // cell.accessoryType=UITableViewCellAccessoryDisclosureIndicator; cell.backgroundColor=[UIColor blueColor]; } // aCities=[appDelegate.cityListArray objectAtIndex:indexPath.row]; // cell.textLabel.text=aCities.city_Name; cell.textLabel.text=[[appDelegate.cityListArray objectAtIndex:indexPath.row]city_Name]; return cell; } - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{ //http://compliantbox.com/party_temperature/citysearch.php?city=Amsterdam&latitude=52.366125&longitude=4.899171 NSString *url; aCities=[appDelegate.cityListArray objectAtIndex:indexPath.row]; if ([appDelegate.cityListArray count]>0){ url=@"http://compliantbox.com/party_temperature/citysearch.php?city="; url=[url stringByAppendingString:aCities.city_Name]; url=[url stringByAppendingString:@"&latitude=52.366125&longitude=4.899171"]; NSLog(@"url value is %@",url); [self parseCityName:[[NSURL alloc]initWithString:url]]; } } -(void)parseCityName:(NSURL *)url{ NSXMLParser *xmlParser=[[NSXMLParser alloc]initWithContentsOfURL:url]; XMLParser *parser=[[XMLParser alloc] initXMLParser]; [xmlParser setDelegate:parser]; BOOL success; success=[xmlParser parse]; if (success) { NSLog(@"Sucessfully parsed"); CityEventViewController *cityEventViewController=[[CityEventViewController alloc]initWithNibName:@"CityEventViewController" bundle:nil]; cityEventViewController.index=currentIndex; [self.navigationController pushViewController:cityEventViewController animated:YES]; [cityEventViewController release]; cityEventViewController=nil; } else { NSLog(@"Try it Idoit"); UIAlertView *alert=[[UIAlertView alloc] initWithTitle:@"Alert!" message:@"Event Not In Radius" delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil]; [alert show]; [alert release]; } } - (void)didReceiveMemoryWarning { // Releases the view if it doesn't have a superview. [super didReceiveMemoryWarning]; // Release any cached data, images, etc that aren't in use. } - (void)viewDidUnload { [super viewDidUnload]; // Release any retained subviews of the main view. // e.g. self.myOutlet = nil; } - (void)dealloc { [aCities release]; [super dealloc]; } @end And the error is * Terminating app due to uncaught exception 'NSRangeException', reason: ' -[NSMutableArray objectAtIndex:]: index 1 beyond bounds for empty array' ** Call stack at first throw:

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  • what mysql table structure is better

    - by Sergey
    I have very complicated search algorithm on my site, so i decided to make a table with cache or maybe all possible results. I wanna ask what structure would be better, or maybe not the one of them? (mySQL) 1) word VARCHAR, results TEXT or BLOB where i'll store ids of found objects (for example 6 chars for each id) 2) word VARCHAR, result INT, but words are not unique now i think i'll have about 200 000 rows in 1) with 1000-10000 ids each row or 200 000 000+ rows in 2) First way takes more storage memory but i think it would be much faster to find 1 unique row among 200 000, than 1000 rows among 200 mln non unique rows i think about index on word column and no sphinx. So that do YOU think? p.s. as always, sorry for my english if it's not very good.

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  • devise forgot password function not working when creating own user controller?

    - by ragupathi
    I use devise for authentication and i have created a user controller and specified as shown below in my routes which lets me to create users,edit and delete users, devise_for :users do resources :users, :only => [:index, :new, :create, :edit, :update, :destroy] end but i cannot able to make the forgot password functionality work using this but in case i specify as devise_for :users then i can able to use the forgot password function that comes with devise and i could not able to create , edit or delete when i specify like this. So how can i make both to work ? please help me

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