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  • Ruby get inheriting class

    - by Brian D.
    I'm working on creating my first plugin for rails. I'm still pretty new to ruby and I was wondering if its possible to get the inheriting class? For example, I'm trying to create a plugin that will allow unit testing and functional testing when you are not using migrations. What I'm trying to do is initialize a class variable named controller to be initialized to the type of controller that is being tested. If I have a base class ControllerTest: class ControllerTest < Test::Unit::TestCase attr_accessor :controller def initialize super @controller = "call function that will find the inheriting classes name and create an instance of that controller type." end end So what I'm currently stuck on is getting the name of the inheriting class. Is this possible? And if not, does anyone know another way on how I could go about implementing this? Thanks in advance.

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  • iPhone: how do I set up a clear window-size "blocker view"?

    - by Ben
    I feel like this should be obvious to me, but for some reason I can't figure this out. I have a navigation interface with nav bar, tool bar, and primary view. Sometimes the user takes an action that causes a progress indicator to appear in the middle of the view. While the progress indicator (which is a custom UIView) in spinning in the middle, I want no touch input to be allowed to go to any of the underlying interface (main view, nav bar, toolbar, etc). But this doesn't seem trivial. I've tried (and failed) to create a simple view whose only job is to swallow touch input and use it as a window subview-- no dice, it never gets the touch events (and yes, it does have userInteractionEnabled). I've tried to bolt it on as a transparent modal view controller, but those don't seem to ever be transparent. Thoughts? What am I missing? Thanks!

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  • Data-separation in a Symfony Multi-tenant app using Doctrine

    - by Prasad
    I am trying to implement a multi-tenant application, that is - data of all clients in a single database - each shared table has a tenant_id field to separate data I wish to achieve data separation by adding where('tenant_id = ', $user->getTenantID()) {pseudoc-code} to all SELECT queries I could not find any solution up-front, but here are possible approaches I am considering. 1) crude approach: customizing all fetchAll and fetchOne functions in every class (I will go mad!) 2) using listeners: possibly coding for the preDqlSelect event and adding the 'where' to all queries 3) override buildQuery(): could not find an example of this for front-end 4) implement contentformfilter: again need a pointer Would appreciate if someone could validate these & comment on efficieny, suitability. Also, if anyone has achieved multitenancy using another strategy, pl share. Thanks

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  • WCF: Proxy open and close - whaaa?

    - by MikeMalter
    I am maintaing a windows form application using WCF and are using net.tcp internally. The lifecycle of our connections is GET/USE/CLOSE. We are having a problem with the application pool crashing with no trace. In looking at netstat, I can see when I come into the application as we have a login service. However, even though we are creating the proxy in a using statement, the connection in netstat does not go away until I physically close the application. Is this right? Should I be doing something diffent on the client to force the connection to close? So if the connection stays open, does it stay open for the duration of the openTimeout setting and then gets torn down? Thanks.

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  • Factorial Algorithms in different languages

    - by Brad Gilbert
    I want to see all the different ways you can come up with, for a factorial subroutine, or program. The hope is that anyone can come here and see if they might want to learn a new language. Ideas: Procedural Functional Object Oriented One liners Obfuscated Oddball Bad Code Polyglot Basically I want to see an example, of different ways of writing an algorithm, and what they would look like in different languages. Please limit it to one example per entry. I will allow you to have more than one example per answer, if you are trying to highlight a specific style, language, or just a well thought out idea that lends itself to being in one post. The only real requirement is it must find the factorial of a given argument, in all languages represented. Be Creative! Recommended Guideline: # Language Name: Optional Style type - Optional bullet points Code Goes Here Other informational text goes here I will ocasionally go along and edit any answer that does not have decent formatting.

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  • Encoding a string as an integer .NET

    - by Paul Knopf
    I have a string that I would like represented uniquely as an integer. For example: A3FJEI = 34950140 How would I go about writing a EncodeAsInteger(string) method. I understand that the amount of characters in the string will make the integer increase greatly, forcing the value to become a long, not an int. Since I need the value to be an integer, I don't need the numerical representation to be entirely unique to the string. Maybe I can foreach through all the characters of the string and sum the numerical keycode of the character.

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  • C# method contents regex validation

    - by user258651
    I need to validate the contents of a C# method. I do not care about syntax errors. I do care about characters that will invalidate parsing of the rest of the code. For example: method() { /* valid comment */ /* <-- bad for (i..) { } for (i..) { <-- bad } I need to validate/fix any non-paired characters. This includeds /* */, { }, and maybe others. How should I go about this?

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  • More interactive ZODB packing

    - by Mikko Ohtamaa
    Hi, Current ZMI management "Pack database" functionality is little rough. 1) Could it be possible to have some kind of progress indicator for web UI? E.g. one telling how many minutes/hours are left giving at least some kind of estimate 2) How does ZODB packing affect the responsivity of the site? Are all transactions blocked? 3) Any command line scripts with progress indicator available so you could do this from a ZEO command line client? 4) At least some kind of log markers to logout output... [INFO] 30% done... 3:15 to go

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  • Binding multiple arrays for WHERE IN in PostgreSQL

    - by Alec
    So I want to prepare a query something like: SELECT id FROM users WHERE (branch, cid) IN $1; But I then need to bind a variable length list of arrays like (('a','b'),('c','d')) to it. How do I go about doing this? I've tried using ANY but can't seem to get the syntax right. Cheers, Alec Edit: After some fiddling around, this is valid syntactically: SELECT id FROM users WHERE (branch, cid) = ANY ($1::text[][]); and then binding the string '{{a,b},{c,d}}' to $1 but throws the error "operator does not exist: record = text". Changing 'text' to 'record' then throws "input of anonymous composite types is not implemented". Any ideas?

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  • iphone navigation tutorial with simple form

    - by iamthewit
    Hi All, I'm looking to create quite a basic app with a very simple navigation system but each of the tutorials I've come across so far go into too much depth or just involve lots of different form elements. I want to keep it as straight forward and simple as I can. If anyone knows of any tutorials that can show me how to create a root view with say 5 or 6 sub views each displaying a form for collecting different types of data I would be very grateful. This seems like quite a simple thing to achieve but so far I havent found anything that specifically relates to what I want to do. thanks in advance!

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  • Online chart editor

    - by Alexander Gladysh
    I love to use Google Documents as MS Word and MS Excel replacements for online collaboration. However, now I need to discuss architecture layout for my software. Nothing too fancy, perhaps a little (pseudo-)UML, but mostly basic shapes (rectangles, ellipses etc.) with labels, connected by thin lines or arrows. In olden Windows times I'd go for Visio, and be happy. But now I want to use online tool. Preferably free. No need for code reverse engineering etc., just plain assisted vector drawing. Any advice? What do you use?

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  • Dynamically removing records when certain columns = 0; data cleansing

    - by cdburgess
    I have a simple card table: CREATE TABLE `users_individual_cards` ( `id` int(11) NOT NULL AUTO_INCREMENT, `user_id` char(36) NOT NULL, `individual_card_id` int(11) NOT NULL, `own` int(10) unsigned NOT NULL, `want` int(10) unsigned NOT NULL, `trade` int(10) unsigned NOT NULL, PRIMARY KEY (`id`), UNIQUE KEY `user_id` (`user_id`,`individual_card_id`), KEY `user_id_2` (`user_id`), KEY `individual_card_id` (`individual_card_id`) ) ENGINE=MyISAM DEFAULT CHARSET=latin1 AUTO_INCREMENT=1; I have ajax to add and remove the records based on OWN, WANT, and TRADE. However, if the user removes all of the OWN, WANT, and TRADE cards, they go to zero but it will leave the record in the database. I would prefer to have the record removed. Is checking after each "update" to see if all the columns = 0 the only way to do this? Or can I set a conditional trigger with something like: //psuedo sql AFTER update IF (OWN = 0, WANT = 0, TRADE = 0) DELETE What is the best way to do this? Can you help with the syntax?

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  • Dynamically creating a treeview in HTML with indent lines in ASP.Net

    - by Ben
    Hi, im quite new to HTML, and am trying to create a proffessional looking TreeView. I can not use the in built treeview in ASP.Net as i need to point the target of the selection to another frame (I have tried, and this doesn't seem possible). My treeview is built up as follows: Folder1 ChildOne ChildTwo ChildThree Folder2 ChildOne ChildTwo ChildThree I have the collapsing of the folders working, but would like to know how to format this treeview so it has dotted lines down to the child nodes (as most treeviews tend to have). How would i go about this? Cheers.

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  • Where are the new languages?

    - by Johnson William
    Most now mainstream/popular (interpreted|scripting) programming languages were created around the 1990's. (Perl, Python, Ruby, PHP just to name a few). How many people knew about those languages around 1-2 years after they had been first published? Are there languages with potential of becoming as important as e.g.: Python or PHP being developed at the moment? I mean ... is there someone even seriously trying to create a new one? If the first version of a programming language is published and nearly nobody knows about it, as it was with all the languages I've mentioned above, where could I find out? Is there some sort of "list" or "network" dealing just with non-language-specific news? Is the area where Perl, Python, Ruby and PHP fit in already fully covered? Do you know of concrete examples of new programming languages being seriously developed or rising at the moment? (Except Google's go!)

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  • CSS Make one row the width of another

    - by gav
    I'm sure this is a fairly common problem but I'm new to CSS so I'm not sure how it's done. I tried searching for the issue but sometimes it's tricky to get the right keywords. I have a table the width of which I want to be constrained by a specific row. My table css is as follows; table { border: 1px solid #ccc; width: auto; margin-left: auto; margin-right: auto; } I have one row which contains cells for which I want the width to autofit and two rows of prose which currently force the table to take 100% width. How do I constrain the latter to have at most the autofit width of the first row? If tables aren't the way to go and this should be pure css and divs, how do you get one class to adopt the fixed but unknown width of another? Thanks, Gav

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  • WordPress MU: Login from main page but not individual blogs

    - by bradrhine
    I recently upgraded to WPMU 2.8.6 and ever since, my users can't log in on their individual blogs, but they can log in from the main page. My site is at blogs.mtwp.net (we're a school district). So if a user goes to blogs.mtwp.net/BLOGNAME/wp-login.php, their password is rejected. If they go toblogs.mtwp.net/wp-login.php, they can log in and get to the dashboard from there. But it's not all users. Site admins can get in just fine. We're using wpDirAuth 1.4 if that makes a difference. Honestly, I'm stumped. Any help would be very much appreciated. Thanks!

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  • Why doesn't a LinkButton work with a table as it's content?

    - by Telos
    Using ASP.NET 3.5, you can create a LinkButton then define content inside of it. It works fine if I have div tags or any kind of text or anything, but if I use a table the click doesn't actually post back for some reason. This should take you to google (you'll get an error there but it should still go) for instance: <asp:LinkButton ID="lbTest" PostBackUrl="http://www.google.com" runat="server"> <table> <tr> <td>Test</td> <td>col2</td> <td>col3</td> </tr> </table> </asp:LinkButton> I could work around it by building a "table" with divs I guess, but I hate formatting with divs.

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  • Load Balancing and Failover for Read-Only PostgreSQL Database

    - by Eric J.
    Scenario Multiple application servers host web services written in Java, running in SpringSource dm Server. To implement a new requirement, they will need to query a read-only PostgreSQL database. Issue To support redundancy, at least two PostgreSQL instances will be running. Access to PostgreSQL must be load balanced and must auto-fail over to currently running instances if an instance should go down. Auto-discovery of newly running instances is desirable but not required. Research I have reviewed the official PostgreSQL documentation on this issue. However, that focuses on the more general case of read/write access to the database. Top google results tend to lead to older newsgroup messages or dead projects such as Sequoia or DB Balancer, as well as one active project PG Pool II Question What are your real-world experiences with PG Pool II? What other simple and reliable alternatives are available?

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  • MVVM- View Model-View Model Communications

    - by user275561
    How do I go about having two view models communicate with one another using MVVM Light. I know how to use the messenger class and register etc.. Here is my Scenario A Settings View ---> a Settings View Model . . . A MainPage View ---> A MainPage ViewModel If something changes in the Settings View it will Message back to the Settings View Model. So then I want the Settings View Model to communicate to the MainPage View Model about what changed. THe MainPage ViewModel will then tell the View.

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  • Facebook application domain settings

    - by user887961
    we were working on our sandbox trying to get the facebook like button set up for our site. Like an idiot, I set our sandbox URL as the domain. Here's the question: is there any going back once I've done this? I tried to reset the domain but it doesn't seem to have taken. And, here's a related question: if i just go and make a like button (iFrame version) it spits out an app_id as part of the code. If that app_id isn't hooked up to an actual application w/domain, will it work after we move it to our QA server and then on to production? Or will it, once we've tested on our sandbox, establish the sandbox as it's domain and then we're back where we started? We can't change code once it moves on to QA, it's just bad form...so what do I do?

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  • Resources for finding Haskell jobs?

    - by Dan
    Where is a good place to go to find a job where I can (frequently) use Haskell? Just to be clear, I am not asking: What's the Haskell market like? Why is Haskell used so little in the industry? What is Haskell actually useful for? Nor am I asking you to tell me that Haskell jobs can't be found. That is the default conclusion if no good responses show up here. I am asking, for the 2 or 3 Haskell jobs that are out there, how can I find them?

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  • iPhone - dismiss multiple ViewControllers

    - by Oscar Peli
    Hi there, I have a long View Controllers hierarchy; in the first View Controller I use this code: SecondViewController *svc = [[SecondViewController alloc] initWithNibName:@"SecondViewController" bundle:nil]; [self presentModalViewController:svc animated:YES]; [svc release]; In the second View Controller I use this code: ThirdViewController *tvc = [[ThirdViewController alloc] initWithNibName:@"ThirdViewController" bundle:nil]; [self presentModalViewController:tvc animated:YES]; [tvc release]; and so on. So there is a moment when I have many View Controllers and I need to come back to the first View Controller. If I come back one step at once, I use in every View Controller this code: [self dismissModalViewControllerAnimated:YES]; If I want to go back directly from the, say, sixth View Controller to the first one, what I have to do to dismiss all the Controllers at once? Thanks

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  • Error in SQL Syntax ERROR1064

    - by 01010011
    Hi, Everytime I try to create the following table in MySQL command line: CREATE TABLE book(book_id int NOT NULL AUTO_INCREMENT PRIMARY KEY, isbn char(20), title char(20), author_f_name char(20), author_l_name char(20), condition ENUM("as new","very good","good","fair","poor"), price decimal(8,2), genre char(20)); I keep getting this error message: ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL version for the right syntax to use near 'condition ENUM("as new","very good","good","fair","poor"), price decimal(8,2), g' at line 6 I've tried using single quotes and double quotes for the ENUM options. Where did I go wrong?

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  • How to document thrown exceptions in c#/.net

    - by Arnold Zokas
    I am currently writing a small framework that will be used internally by other developers within the company. I want to provide good Intellisense information, but I am not sure how to document thrown exceptions. In the following example: public void MyMethod1() { MyMethod2(); // also may throw InvalidOperationException } public void MyMethod2() { System.IO.File.Open(somepath...); // this may throw FileNotFoundException // also may throw DivideByZeroException } I know the markup for documenting exceptions is: /// <exception cref="SomeException">when things go wrong.</exception> What I don't understand is how to document exceptions thrown by code called by MyMethod1()? Should I document exceptions thrown by MyMethod2() Should I document exceptions thrown by File.Open() ? What would be the best way to document possible exceptions?

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  • jQuery Address double load on init

    - by dazhall
    Hi All! I'm using jQuery Address to load in my content, but it's doing it twice on the init. I set it up so that if you go to the main category it loads the first image, but it's doing it twice and I'm not sure how to stop it. A fresh pair of eyes would be appreciated! $.address.init(function(event) { $('#carousel-clip a').address(); if(!event.pathNames[0]) { var url = $('#carousel-clip ul li:first a').attr('href').replace('#!/',''); $.address.path(url); } }).change(function(event) { if(event.pathNames[0]) { $.getJSON(location.pathname + 'image/' + event.pathNames[0] + '/', function(data, textStatus, XMLHttpRequest) { handler(data); }); } }); You can see it working here: http://bit.ly/cKftwA Thanks! Darren.

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