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  • Basic Ruby On Rails Linking Help

    - by dweebsonduty
    So I am beginning to work with Rails and I get some of the concepts but am stuck on an important one. Let's say I have customers which has many jobs and jobs which belongs to customers. How would I go about creating a new job for a customer? I can create a link that goes to customers/1/jobs/new and I can grab the customer ID but how do I tell it that I am creating a job for customer 1? I know this is the most basic of things but I just need a push in the right direction. This is my form so far: How do I get :customer_id to populate with the customer_id param? <h1>New job</h1> <% form_for(@job) do |f| %> <%= f.error_messages %> <p> <%= f.label :customer_id %><br /> <%= f.text_field :customer_id %> </p> <p> <%= f.label :manufacturer %><br /> <%= f.text_field :manufacturer %> </p> <p> <%= f.label :serial_number %><br /> <%= f.text_field :serial_number %> </p> <p> <%= f.label :problem %><br /> <%= f.text_area :problem %> </p> <p> <%= f.label :notes %><br /> <%= f.text_area :notes %> </p> <p> <%= f.label :status %><br /> <%= f.text_field :status %> </p> <p> <%= f.label :tech_id %><br /> <%= f.text_field :tech_id %> </p> <p> <%= f.submit 'Create' %> </p> <% end %> <%= link_to 'Back', jobs_path %>

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  • CallLogs in Blackberry

    - by Farhan
    Hi, i am working on CallLogs Sync Application in Blackberry and partially i have done it, one point that i didn't understand is how to add information to CallLogs. I have retrieved information from CallLogs and Store on Server but now i retrieved information from Server but how to add info to CallLogs didn't come in my mind as i retrieved all the information in Strings from Server and PhoneCallLog Constructor look like this: PhoneCallLog call = new PhoneCallLog(Date,int Type,int Duration,int Status,participantID participant,String Notes); Please tell me as soon as Possible, i will be very thankful to you.

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  • How to make a floating (tooltip) control in Windows.Forms?

    - by Daren Thomas
    The Scene: A (smallish) Form hosting a UserControl. The Plot: Whenever UserControl raises a hover event, display some (graphical) information in a tool tip fashion. When the user moves the mouse, fade them away again. Notes: I'd like to display more than one "tooltip", with each tooltip being a UserControl displaying information in a graphical manner. Not just text in a yellow box! Also, I'm using the Windows.Forms library.

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  • PHP: Simple, Validate if string is hex?

    - by oni-kun
    I have no clue how to validate this string. I am simply supplying an IV for an encryption, but can find no "is_hex()" or similar function, I can't wrap my head around it! I read on a comment in the php documentation (user contrib. notes) this: if($iv == dechex(hexdec($iv))) { //True } else { //False } But that doesn't seem to work at all.. It only says false. If it helps my input of my IV would be this: 92bff433cc639a6d

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  • Please help with iPhone Memory & Images, memory usage crashing app

    - by Andrew Gray
    I have an issue with memory usage relating to images and I've searched the docs and watched the videos from cs193p and the iphone dev site on memory mgmt and performance. I've searched online and posted on forums, but I still can't figure it out. The app uses core data and simply lets the user associate text with a picture and stores the list of items in a table view that lets you add and delete items. Clicking on a row shows the image and related text. that's it. Everything runs fine on the simulator and on the device as well. I ran the analyzer and it looked good, so i then starting looking at performance. I ran leaks and everything looked good. My issue is when running Object Allocations as every time i select a row and the view with the image is shown, the live bytes jumps up a few MB and never goes down and my app eventually crashes due to memory usage. Sorting the live bytes column, i see 2 2.72MB mallocs (5.45Mb total), 14 CFDatas (3.58MB total), 1 2.74MB malloc and everything else is real small. the problem is all the related info in instruments is really technical and all the problem solving examples i've seen are just missing a release and nothing complicated. Instruments shows Core Data as the responsible library for all but one (libsqlite3.dylib the other) with [NSSQLCore _prepareResultsFromResultSet:usingFetchPlan:withMatchingRows:] as the caller for all but one (fetchResultSetReallocCurrentRow the other) and im just not sure how to track down what the problem is. i've looked at the stack traces and opened the last instance of my code and found 2 culprits (below). I havent been able to get any responses at all on this, so if anyone has any tips or pointers, I'd really appreciate it!!!! //this is from view controller that shows the title and image - (void)viewWillAppear:(BOOL)animated { [super viewWillAppear:animated]; self.title = item.title; self.itemTitleTextField.text = item.title; if ([item.notes length] == 0) { self.itemNotesTextView.hidden = YES; } else { self.itemNotesTextView.text = item.notes; } //this is the line instruments points to UIImage *image = item.photo.image; itemPhoto.image = image; } - (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath { if (editingStyle == UITableViewCellEditingStyleDelete) { // Delete the managed object for the given index path NSManagedObjectContext *context = [fetchedResultsController managedObjectContext]; [context deleteObject:[fetchedResultsController objectAtIndexPath:indexPath]]; // Save the context. NSError *error = nil; if (![context save:&error]) //this is the line instruments points to { NSLog(@"Unresolved error %@, %@", error, [error userInfo]); exit(-1); } } }

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  • What's wrong with Bundler working with RubyGems to push a Git repo to Heroku?

    - by stanigator
    I've made sure that all the files are in the root of the repository as recommended in this discussion. However, as I follow the instructions in this section of the book, I can't get through the section without the problems. What do you think is happening with my system that's causing the error? I have no clue at the moment of what the problem means despite reading the following in the log. Thanks in advance for your help! stanley@ubuntu:~/rails_sample/first_app$ git push heroku master Warning: Permanently added the RSA host key for IP address '50.19.85.156' to the list of known hosts. Counting objects: 96, done. Compressing objects: 100% (79/79), done. Writing objects: 100% (96/96), 28.81 KiB, done. Total 96 (delta 22), reused 0 (delta 0) -----> Heroku receiving push -----> Ruby/Rails app detected -----> Installing dependencies using Bundler version 1.2.0.pre Running: bundle install --without development:test --path vendor/bundle --binstubs bin/ --deployment Fetching gem metadata from https://rubygems.org/....... Installing rake (0.9.2.2) Installing i18n (0.6.0) Installing multi_json (1.3.5) Installing activesupport (3.2.3) Installing builder (3.0.0) Installing activemodel (3.2.3) Installing erubis (2.7.0) Installing journey (1.0.3) Installing rack (1.4.1) Installing rack-cache (1.2) Installing rack-test (0.6.1) Installing hike (1.2.1) Installing tilt (1.3.3) Installing sprockets (2.1.3) Installing actionpack (3.2.3) Installing mime-types (1.18) Installing polyglot (0.3.3) Installing treetop (1.4.10) Installing mail (2.4.4) Installing actionmailer (3.2.3) Installing arel (3.0.2) Installing tzinfo (0.3.33) Installing activerecord (3.2.3) Installing activeresource (3.2.3) Installing coffee-script-source (1.3.3) Installing execjs (1.3.2) Installing coffee-script (2.2.0) Installing rack-ssl (1.3.2) Installing json (1.7.3) with native extensions Installing rdoc (3.12) Installing thor (0.14.6) Installing railties (3.2.3) Installing coffee-rails (3.2.2) Installing jquery-rails (2.0.2) Using bundler (1.2.0.pre) Installing rails (3.2.3) Installing sass (3.1.18) Installing sass-rails (3.2.5) Installing sqlite3 (1.3.6) with native extensions Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension. /usr/local/bin/ruby extconf.rb checking for sqlite3.h... no sqlite3.h is missing. Try 'port install sqlite3 +universal' or 'yum install sqlite-devel' and check your shared library search path (the location where your sqlite3 shared library is located). *** extconf.rb failed *** Could not create Makefile due to some reason, probably lack of necessary libraries and/or headers. Check the mkmf.log file for more details. You may need configuration options. Provided configuration options: --with-opt-dir --without-opt-dir --with-opt-include --without-opt-include=${opt-dir}/include --with-opt-lib --without-opt-lib=${opt-dir}/lib --with-make-prog --without-make-prog --srcdir=. --curdir --ruby=/usr/local/bin/ruby --with-sqlite3-dir --without-sqlite3-dir --with-sqlite3-include --without-sqlite3-include=${sqlite3-dir}/include --with-sqlite3-lib --without-sqlite3-lib=${sqlite3-dir}/lib --enable-local --disable-local Gem files will remain installed in /tmp/build_3tplrxvj7qa81/vendor/bundle/ruby/1.9.1/gems/sqlite3-1.3.6 for inspection. Results logged to /tmp/build_3tplrxvj7qa81/vendor/bundle/ruby/1.9.1/gems/sqlite3-1.3.6/ext/sqlite3/gem_make.out An error occurred while installing sqlite3 (1.3.6), and Bundler cannot continue. Make sure that `gem install sqlite3 -v '1.3.6'` succeeds before bundling. ! ! Failed to install gems via Bundler. ! ! Heroku push rejected, failed to compile Ruby/rails app To [email protected]:growing-mountain-2788.git ! [remote rejected] master -> master (pre-receive hook declined) error: failed to push some refs to '[email protected]:growing-mountain-2788.git' ------Gemfile------------------------ As requested, here's the auto-generated gemfile: source 'https://rubygems.org' gem 'rails', '3.2.3' # Bundle edge Rails instead: # gem 'rails', :git => 'git://github.com/rails/rails.git' gem 'sqlite3' gem 'json' # Gems used only for assets and not required # in production environments by default. group :assets do gem 'sass-rails', '~> 3.2.3' gem 'coffee-rails', '~> 3.2.1' # See https://github.com/sstephenson/execjs#readme for more supported runtimes # gem 'therubyracer', :platform => :ruby gem 'uglifier', '>= 1.0.3' end gem 'jquery-rails' # To use ActiveModel has_secure_password # gem 'bcrypt-ruby', '~> 3.0.0' # To use Jbuilder templates for JSON # gem 'jbuilder' # Use unicorn as the app server # gem 'unicorn' # Deploy with Capistrano # gem 'capistrano' # To use debugger # gem 'ruby-debug'

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  • Collaborative Latex

    - by fabrizioM
    I would like to insert notes on the fixes to be done in specific places of my latex document and maybe have a list of "todos/fixme" How do you handle this? Seems one way is to use the fixme package, but I couldn't make it work. Is Anyone using it?

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  • using ruby-debug with jruby-1.5.0

    - by brad
    Release notes say that ruby-debug is installed by default. I'm using rvm. In my rails app I figured something as simple as script/server --debugger would suffice, but it complains that the ruby-debug gem isn't installed, suggests using gem install ruby-debug, which of course doesn't work (building native extensions) and is contrary to the docs anyway. Just wondering if anyone's had any luck using the built in ruby-debug in jruby 1.5 and what one needs to do in order run jruby in debug mode

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  • Can someone explain facelets ?

    - by Guru
    I have been involved in JSF + Facelets dev for a month or so. I used composition, insert, define and other tags from facelets. I am finding it difficult to understand what facelets really give me? What are its alternatives ? What is that View Handler technology?I am not able to find good material / online notes on the same. Can someone explain in laymen terms - What it is? Thanks

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  • Can someone explain facelets ?

    - by Guru
    I have been involved in JSF + Facelets dev for a month or so. I used composition, insert, define and other tags from facelets. I am finding it difficult to understand what facelets really give me? What are its alternatives ? What is that View Handler technology?I am not able to find good material / online notes on the same. Can someone explain in laymen terms - What it is? Thanks

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  • Visual Studio - how to find source of heap corruption errors

    - by Danne
    Hi, I wonder if there is a good way to find the source code that causes a heap corruption error, given the memory address of the of the data that was written 'outside' the allocated heap block in Visual Studio; Dedicated (0008) free list element 26F7F670 is wrong size (dead) (Trying to write down some notes on how to find memory errors) Thanks in advance!

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  • Web Services in Blackberry

    - by Farhan
    Hi, i am working on CallLogs Sync Application in Blackberry and partially i have done it, one point that i didn't understand is how to add information to CallLogs. I have retrieved information from CallLogs and Store on Server but now i retrieved information from Server but how to add info to CallLogs didn't come in my mind as i retrieved all the information in Strings from Server and PhoneCallLog Constructor look like this: PhoneCallLog call = new PhoneCallLog(Date,int Type,int Duration,int Status,participantID participant,String Notes); Please tell me as soon as Possible, i will be very thankful to you.

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  • Getting mouse position both in Internet explorer and firefox with javascript

    - by strakastroukas
    I read this article regarding creating popup notes with javascript and css The problem is that this one works only in IE since window.event is undefined in Firefox. // assigns X,Y mouse coordinates to note element note.style.left=event.clientX; note.style.top=event.clientY; So could you point me a fully working example? Or at least, how could i modify the javascript code to make it work in both internet browsers?

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  • SQL Injection When Using MySQLi Prepared Statements

    - by Sev
    If all that is used to do any and all database queries is MySQLi prepared statements with bound parameters in a web-app, is sql injection still possible? Notes I know that there are other forms of attack other than sql-injection, but my question is specific to sql-injection attacks on that particular web application only.

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  • Join Lines in Eclipse

    - by Damo
    According to the release notes of Eclipse 3.3 you can now join lines together with CRTL-ALT-J. This doesn't work for me running Eclipse 3.5 on a Mac. Does it work for anyone else?

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  • Error implementing Dynamic Tab with ListView within each Tab - Tabs don't show up

    - by Jon
    I am trying to create a dyanmic tab application that has tabs on the left for each type of Food (e.g. Pasta, Dairy, etc. including those dynamically defined by user) and for each tab, have a listview connected to a SQLite database that updates. This is in the onCreate method: setContentView(R.layout.foodCabinet_layout); dbHelper = new FoodStorageDBHelper(this); dbHelper.open(); Cursor foodTypes = dbHelper.getAllFoodTypes(); ArrayList<String> typeOfFood = new ArrayList<String>(); typeOfFoods.add(foodTypes.getString(1)); while(foodTypes.moveToNext()){ typeOfFoods.add(foodTypes.getString(1)); } final TabHost tbh = (TabHost)findViewById(R.id.food_tabhost_cabinet); tbh.setup(); for(final String s : typeOfFood){ TabSpec nts = tbh.newTabSpec(s); nts.setIndicator(s.replace('_', ' ')); nts.setContent(new TabHost.TabContentFactory(){ public View createTabContent(String tag) { ListView foodCabinetLV = new ListView(FoodCabinet.this); Cursor mCursor = dbHelper.getAllFoodsWithType(s); // Create an array to specify the fields we want to display in the list (only TITLE) String[] from = new String[]{FoodStorageDBHelper.KEY_NAME, FoodStorageDBHelper.KEY_YEAR,FoodStorageDBHelper.KEY_RANK}; // and an array of the fields we want to bind those fields to (in this case just text1) int[] to = new int[]{R.id.childname,R.id.childyear,R.id.childrank}; // Now create a simple cursor adapter and set it to display SimpleCursorAdapter notes = new SimpleCursorAdapter(FoodCabinet.this, R.layout.food_row, mCursor, from, to); foodCabinetLV.setAdapter(notes); startManagingCursor(mCursor); foodCabinetLV.setOnItemClickListener( new AdapterView.OnItemClickListener() { public void onItemClick(AdapterView arg0, View arg1, int arg2, long arg3) { Intent i = new Intent(); i.setClass(arg0.getContext(), EditFoodDialog.class); i.putExtra(FoodStorageDBHelper.KEY_ROWID, Long.toString(arg3)); startActivityForResult(i, LoadFoodOrganizer.ACTIVITY_EDIT); } }); return foodCabinetLV; } }); } For some reason, it doesn't show anything... it's a blank screen. Any help would be very much appreciated. Let me know! Thanks! Jon

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  • Outlook Add-in. How to manage Items Events

    - by framara
    Hi, I'm doing an add-in for Outlook 2007 in C++. I need to capture the events like create, change or delete from the Outlook Items (Contact, Appointment, Tasks and Notes) but the only information/examples I've found are for Visual Basic so I don't know how to connect the event handler. Here is some information related: http://msdn.microsoft.com/en-us/library/bb208390(v=office.12).aspx Any help is welcome :) Thanks

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  • Getting mouse position in major internet browswers with javascript

    - by strakastroukas
    I read this article regarding creating popup notes with javascript and css The problem is that this one works only in IE since window.event is undefined in Firefox. // assigns X,Y mouse coordinates to note element note.style.left=event.clientX; note.style.top=event.clientY; So could you point me a fully working example? Or at least, how could i modify the javascript code to make it work in both internet browsers?

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