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Search found 95 results on 4 pages for 'ethan'.

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  • GWT and java.io.Serializable

    - by Ethan Leroy
    Hello, In my GWT app I have the following model class: import com.google.gwt.user.client.rpc.IsSerializable; public class TestEntity implements IsSerializable { public String testString; } This class implements the GWT custom IsSerializable marker interface - which I really don't like, because I use my model classes not only for GWT. So I prefer java.io.Serializable. But if I modify the class to implement Serializable instead of IsSerializable, the GWT RPC mechanism doesn't work anymore. I don't get an error on the server side, but on the client AsyncCallback.onFailure is invoked. I am using... GWT 1.7.0. Spring 2.5.6.SEC01 Spring and GWT are configured as described here.

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  • CSS Margins Increase with H1 Length

    - by Ethan Turkeltaub
    Consider the following markup: <!DOCTYPE html> <html> <head> <title>Test Page</title> <link href="screen.css" rel="stylesheet" /> </head> <body> <h1>Test</h1> <h3>Description</h3> </body> </html> And the CSS: h3{ margin-top: -25px; } Now, I want the H3 to have a margin-left of however long H1 is, and it is consistently 20px away. So, if I have a H1 block of 200px long, then H3 would have a margin-left of 220px, and so on and so forth. How would I do this?

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  • Matching math expression with regular expression?

    - by Ethan
    For example, these are valid math expressions: a * b + c -a * (b / 1.50) (apple + (-0.5)) * (boy - 1) And these are invalid math expressions: --a *+ b @ 1.5.0 // two consecutive signs, two consecutive operators, invalid operator, invalid number -a * b + 1) // unmatched parentheses a) * (b + c) / (d // unmatched parentheses I have no problem with matching float numbers, but have difficulty with parentheses matching. Any idea? If there is better solution than regular expression, I'll accept as well. But regex is preferred.

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  • pushing back an boost::ptr_vector<...>::iterator in another boost::ptr_vector?

    - by Ethan Nash
    Hi all, I have the following code (just typed it in here, might have typos or stuff): typedef boost::ptr_vector<SomeClass> tvec; tvec v; // ... fill v ... tvec vsnap; for(tvec::iterator it = v.begin(); it != v.end(); ++it) { if((*v).anyCondition) vsnap.push_back( it ); // (*it) or &(*it) doesn't work } My problem is now that i cant push_back an iterator in any way, I just don't get the pointer out of the iterator. Is there an easy way i didnt see, or are boosts ptr_vector the false choice for this case? Thanks in advance.

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  • How to configure encoding in maven

    - by Ethan Leroy
    When I run maven install on my multi module maven project I always get the following output: [WARNING] File encoding has not been set, using platform encoding UTF-8, i.e. build is platform dependent! So, I googled around a bit, but all I can find is that I have to add <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> </properties> to my pom.xml. But it's already there (in the parent pom.xml). Configuring <encoding> for the maven-resources-plugin or the maven-compiler-plugin also doesn't fix it. So what's the problem?

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  • Sinatra Variable Scope

    - by Ethan Turkeltaub
    Take the following code: ### Dependencies require 'rubygems' require 'sinatra' require 'datamapper' ### Configuration config = YAML::load(File.read('config.yml')) name = config['config']['name'] description = config['config']['description'] username = config['config']['username'] password = config['config']['password'] theme = config['config']['theme'] set :public, 'views/themes/#{theme}/static' ### Models DataMapper.setup(:default, "sqlite3://#{Dir.pwd}/marvin.db") class Post include DataMapper::Resource property :id, Serial property :name, String property :body, Text property :created_at, DateTime property :slug, String end class Page include DataMapper::Resource property :id, Serial property :name, String property :body, Text property :slug, String end DataMapper.auto_migrate! ### Controllers get '/' do @posts = Post.get(:order => [ :id_desc ]) haml :"themes/#{theme}/index" end get '/:year/:month/:day/:slug' do year = params[:year] month = params[:month] day = params[:day] slug = params[:slug] haml :"themes/#{theme}/post.haml" end get '/:slug' do haml :"themes/#{theme}/page.haml" end get '/admin' do haml :"admin/index.haml" end I want to make name, and all those variables available to the entire script, as well as the views. I tried making them global variables, but no dice.

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  • Entity Relationship Model: Ternary Relationships

    - by Ethan
    Hi, I am trying to understand why this statement in the book is wrong: "given a C entity, there is at most one related A entity and at most one related B entity". Is it that it doesn't apply to a specific kind of relationship?? So, if I have an example of a student who is in attendance to a course with a type of subject. The entities are student, attendance, course and subject. Student makes attendance in a room. Also, a student can make attendance for a subject. Does this example apply to the statement? Thanks for your time.

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  • WCF REST Question, Binding, Configuration

    - by Ethan McGee
    I am working on a WCF rest interface using json. I have wrapped the service in a windows service to host the service but I am now having trouble getting the service to be callable. I am not sure exactly what is wrong. The basic idea is that I want to host the service on a remote server so I want the service mapped to port localhost:7600 so that it can be invoked by posting data to [server_ip]:7600. The problem is most likely in the configuration file, since I am new to WCF and Rest I wasn't really sure what to type for the configuration so sorry if it's a total mess. I removed several chunks of code and comments to make it a little easier to read. These functions should have no bearing on the service since they call only C# functions. WCF Service Code using System; using System.Collections.Generic; using System.Linq; using System.ServiceModel; using System.ServiceModel.Activation; using System.ServiceModel.Web; using System.Text; namespace PCMiler_Connect { public class ZIP_List_Container { public string[] ZIP_List { get; set; } public string Optimized { get; set; } public string Calc_Type { get; set; } public string Cross_International_Borders { get; set; } public string Use_Kilometers { get; set; } public string Hazard_Level { get; set; } public string OK_To_Change_Destination { get; set; } } [ServiceContract] [AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Allowed)] [ServiceBehavior(InstanceContextMode = InstanceContextMode.PerCall)] public class PCMiler_Webservice { [WebInvoke(Method = "POST", UriTemplate = "", ResponseFormat = WebMessageFormat.Json, RequestFormat = WebMessageFormat.Json), OperationContract] public List<string> Calculate_Distance(ZIP_List_Container container) { return new List<string>(){ distance.ToString(), time.ToString() }; } } } XML Config File <?xml version="1.0" encoding="utf-8"?> <configuration> <system.serviceModel> <services> <service name="PCMiler_Connect.PCMiler_Webservice"> <endpoint address="" behaviorConfiguration="jsonBehavior" binding="webHttpBinding" bindingConfiguration="" contract="PCMiler_Connect.PCMiler_Webservice" /> <host> <baseAddresses> <add baseAddress="http://localhost:7600/" /> </baseAddresses> </host> </service> </services> <behaviors> <endpointBehaviors> <behavior name="jsonBehavior"> <enableWebScript/> </behavior> </endpointBehaviors> </behaviors> </system.serviceModel> </configuration> Service Wrapper using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Diagnostics; using System.Linq; using System.ServiceProcess; using System.ServiceModel; using System.Text; using System.Threading; namespace PCMiler_WIN_Service { public partial class Service1 : ServiceBase { ServiceHost host; public Service1() { InitializeComponent(); } protected override void OnStart(string[] args) { host = new ServiceHost(typeof(PCMiler_Connect.PCMiler_Webservice)); Thread thread = new Thread(new ThreadStart(host.Open)); } protected override void OnStop() { if (host != null) { host.Close(); host = null; } } } }

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  • Learning Ruby on Rails

    - by Ethan Gunderson
    As it stands now I'm a Java and C# developer, but the more and more I look at Ruby on Rails, the more I really want to learn it. What have you found to be the best route to learn RoR? Would it be easier to develop on Windows, or should I just run a virtual machine with linux? Is there an ide that can match the robustness of Visual Studio? Any programs to develop that give a good overhead of what to do? Any good books? Seriously, any tips/tricks/rants would be awesome.

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  • JPA @ManyToMany on only one side?

    - by Ethan Leroy
    I am trying to refresh the @ManyToMany relation but it gets cleared instead... My Project class looks like this: @Entity public class Project { ... @ManyToMany(cascade = CascadeType.ALL, fetch = FetchType.EAGER) @JoinTable(name = "PROJECT_USER", joinColumns = @JoinColumn(name = "PROJECT_ID", referencedColumnName = "ID"), inverseJoinColumns = @JoinColumn(name = "USER_ID", referencedColumnName = "ID")) private Collection<User> users; ... } But I don't have - and I don't want - the collection of Projects in the User entity. When I look at the generated database tables, they look good. They contain all columns and constraints (primary/foreign keys). But when I persist a Project that has a list of Users (and the users are still in the database), the mapping table doesn't get updated gets updated but when I refresh the project afterwards, the list of Users is cleared. For better understanding: Project project = ...; // new project with users that are available in the db System.out.println(project getUsers().size()); // prints 5 em.persist(project); System.out.println(project getUsers().size()); // prints 5 em.refresh(project); System.out.println(project getUsers().size()); // prints 0 So, how can I refresh the relation between User and Project?

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  • How to drag item out from Iframe and drop onto parent

    - by ethan.zhang
    Hi, I have a folder tree view on the left page which was in a tag, left page was the iframe container which contain the file list, when I want to drag the files out from the iframe, I got a headache. no matter the containment option was set to 'parent' or 'window', I just can't drag out elements in the iframe container can any one help on this?

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  • How do I format an email for Gmail?

    - by Ethan
    Hey, I'm sending out an email using codeigniter's built in library. All I'm trying to do is send a bolded string, but instead of rendering the tags, it is printing them. What I have: <html> <head> </head> <body> <b>Donkey</b> </body> </html> That is, character for character, the email I'm getting. Why aren't the tags rendering? Thanks for your help!

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  • Search implementation dilemma: full text vs. plain SQL

    - by Ethan
    I have a MySQL/Rails app that needs search. Here's some info about the data: Users search within their own data only, so searches are narrowed down by user_id to begin with. Each user will have up to about five thousand records (they accumulate over time). I wrote out a typical user's records to a text file. The file size is 2.9 MB. Search has to cover two columns: title and body. title is a varchar(255) column. body is column type text. This will be lightly used. If I average a few searches per second that would be surprising. It's running an a 500 MB CentOS 5 VPS machine. I don't want relevance ranking or any kind of fuzziness. Searches should be for exact strings and reliably return all records containing the string. Simple date order -- newest to oldest. I'm using the InnoDB table type. I'm looking at plain SQL search (through the searchlogic gem) or full text search using Sphinx and the Thinking Sphinx gem. Sphinx is very fast and Thinking Sphinx is cool, but it adds complexity, a daemon to maintain, cron jobs to maintain the index. Can I get away with plain SQL search for a small scale app?

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  • Sinatra Title Slugs

    - by Ethan Turkeltaub
    I'm trying to create a slug helper in Sinatra. Here's the code (as seen here): helpers do def sluggify(title) accents = { ['á','à','â','ä','ã'] => 'a', ['Ã','Ä','Â','À'] => 'A', ['é','è','ê','ë'] => 'e', ['Ë','É','È','Ê'] => 'E', ['í','ì','î','ï'] => 'i', ['Î','Ì'] => 'I', ['ó','ò','ô','ö','õ'] => 'o', ['Õ','Ö','Ô','Ò','Ó'] => 'O', ['ú','ù','û','ü'] => 'u', ['Ú','Û','Ù','Ü'] => 'U', ['ç'] => 'c', ['Ç'] => 'C', ['ñ'] => 'n', ['Ñ'] => 'N' } accents.each do |ac,rep| ac.each do |s| title = title.gsub(s, rep) end end title = title.gsub(/[^a-zA-Z0-9 ]/,"") title = title.gsub(/[ ]+/," ") title = title.gsub(/ /,"-") title = title.downcase end end I keep getting this error: private method `gsub' called for nil:NilClass What exactly is going wrong?

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  • "autotest/rails [...] doesn't [...] exist. Aborting"

    - by Ethan
    I'm finding that autotest has stopped working... $ autotest loading autotest/rails Autotest style autotest/rails doesn't seem to exist. Aborting. According to this blog post, the common reason for this error is that people don't have the autotest-rails gem installed. However, I definitely have that installed: autotest-rails (4.1.0) ZenTest (4.1.4, 4.1.3, 4.1.1, 4.0.0, 3.11.1, 3.11.0, 3.10.0, 3.9.3, 3.9.2) I haven't installed any new gems today or yesterday, though I might have done a gem update yesterday. Another issue I saw mentioned was incompatibility with Ruby 1.9, but I'm using MRI Ruby 1.8.6.

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  • Will MyISAM type tables work better than InnoDB for large numbers of columns?

    - by Ethan
    I have a MySQL InnoDB table with 238 columns. 56 of them are TEXT type, 27 are VARCHAR(255). I am getting MySQL error 139 when users insert data sometimes. After research I found that I'm probably running into InnoDB row size/column size/column count limitations. (I'm putting it that way because the specific limits among those three things are interdependent.) Docs on InnoDB give an idea of the limits. If I switch this table to MyISAM is it likely to solve the problem? I understand the maximum row size of 65,535 bytes. I think I'm hitting InnoDB's additional 8000 byte limit somehow. Switching to PostgreSQL is also a remote option, but would take much longer.

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  • Am I reindexing this Sphinx index correctly?

    - by Ethan
    According to the Thinking Sphinx docs... Turning on delta indexing does not remove the need for regularly running a full re-index ... So I set up this cron job... 50 10 * * * cd /var/www/my_app/current && /opt/ruby/bin/rake thinking_sphinx:index RAILS_ENV=production >> /var/www/my_app/current/log/reindexing.log 2>&1 Is that a reasonable way to do it? Should I be doing something different?

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  • Complex SQL query, one to many relationship

    - by Ethan
    Hey SO, I have a query such that I need to get A specific dog All comments relating to that dog The user who posted each comment All links to images of the dog the user who posted each link I've tried a several things, and can't figure out quite how to work it. Here's what I have (condensed so you don't have to wade through it all): SELECT s.dog_id, s.name, c.comment, c.date_added AS comment_date_added, u.username AS comment_username, u.user_id AS comment_user_id, l.link AS link, l.date_added AS link_date_added, u2.username AS link_username, u2.user_id AS link_user_id FROM dogs AS d LEFT JOIN comments AS c ON c.dog_id = d.dog_id LEFT JOIN users AS u ON c.user_id = u.user_id LEFT JOIN links AS l ON l.dog_id = d.dog_id LEFT JOIN users AS u2 ON l.user_id = u2.user_id WHERE d.dog_id = '1' It's sorta close to working, but it'll only return me the first comment, and the first link all as one big array with all the info i requested. The are multiple comments and links per dog, so I need it to give me all the comments and all the links. Ideally it'd return an object with dog_id, name, comments(an array of the comments), links(an array of the links) and then comments would have a bunch of comments, date_added, username, and user_id and links would have a bunch of links with link, date_added, username and user_id. It's got to work even if there are no links or comments. I learned the basics of mySQL somewhat recently, but this is pretty far over my head. Any help would be wonderful. Thanks!

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  • json object composition details

    - by Ethan
    in .json text, is the 'value' in a basic single pair object the title of a value type (e.g. [string, number, object]), or a value for a typed object (e.g. 2, or "dog", or Object3)? This is how http://www.json.org/ presents the information: "An object is an unordered set of name/value pairs. An object begins with { (left brace) and ends with } (right brace). Each name is followed by : (colon) and the name/value pairs are separated by , (comma)."

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  • Rails: how do you access RESTful helpers?

    - by Ethan
    I'm trying to work through this guide to Rails routing, but I got stuck in section 3.3: Creating a RESTful route will also make available a pile of helpers within your application and then they list some helpers like photos_url, photos_path, etc. My questions: Where can I find the complete list of helpers that is "made available?" Is there a way to call the helpers in the console? I created an app, then opened up the console with script/console. I tried to call one of the helpers on the console like this: >> entries_url But got: NameError: undefined local variable or method `entries_url' for #<Object:0x349a4> from (irb):8

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