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  • Trying to manually recreate a simple generate/scaffolding script

    - by montooner
    I'm trying to understand Rails from the ground up. I want to learn how to manually create basic show-all/show-single/CRUD functionality in the framework. I currently am working on the display-all functionality, but am stopped by an error when I try to request all items in the Products db Here are the steps I've taken so far: script/generate controller Products script/generate model Products rake db:migrate modified products_controller.rb to add: def index() { @products = Product.all} (error: uninitialized constant ProductsController::Product) ideally, dump all orders in the view What's the fix?

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  • What is the easiest language to start with?

    - by Teifion
    What is the language with the lowest barriers to entry, simplest syntax, easiest setup. I'm aware that there's not a best language but I am sure that there will be one that's got a good score in all three areas. It's for teaching friends how to program, I like PHP and Python but I don't want to be narrow minded and limit myself when there is a better option out there. Common suggestions Ruby Python Basic C Java C# Useful links Best Ways To Teach A Beginner to Program Why's (Poignant) Guide to Ruby Think Python

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  • Bundle module with app on Google App Engine

    - by Oscar Reyes
    This may be a basic question but how can I include a module with my app. I'm very new to python and what I want to do is to include this module simplejson with my app, but after downloading it I have no idea what to do next :( This is how the module looks like after unzip it. I don't know what files to move to my app.

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  • SVN client on windows without administrator rights

    - by Liu Chang
    I am trying to install an svn client on a friend's work windows laptop without much success. It seems that everyone is using TortoiseSVN nowadays, which unfortunately doesn't install without administrator access. Is there any way around it or another client I can try? I don't need anything fancy - just basic http/https, but a GUI is very much preferred over a command line client. Thanks!

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  • Facebook Javascript SDK: First time logging in

    - by Brandon
    I'm currently integrating Facebook with my website using the Javascript SDK. I've got the login portion working well. The only thing I'm trying to figure out is if there is a way to tell if it was the first time the user logged into my website using their Facebook credientials. I tried subscribing to auth.login, but that didn't seem to have any information about that. Is there a flag anywhere that lets me know this? Or another way to go about looking this up? I realize I could do some server side code, but I'd prefer to stay away from that if possible. Thanks in advance, Brandon

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  • Django syncdb not making tables for my app

    - by Rosarch
    It used to work, and now it doesn't. python manage.py syncdb no longer makes tables for my app. From settings.py: INSTALLED_APPS = ( 'django.contrib.auth', 'django.contrib.contenttypes', 'django.contrib.sessions', 'django.contrib.sites', 'mysite.myapp', 'django.contrib.admin', ) What could I be doing wrong? The break appeared to coincide with editing this model in models.py, but that could be total coincidence. I commented out the lines I changed, and it still doesn't work. class MyUser(models.Model): user = models.ForeignKey(User, unique=True) takingReqSets = models.ManyToManyField(RequirementSet, blank=True) takingTerms = models.ManyToManyField(Term, blank=True) takingCourses = models.ManyToManyField(Course, through=TakingCourse, blank=True) school = models.ForeignKey(School) # minCreditsPerTerm = models.IntegerField(blank=True) # maxCreditsPerTerm = models.IntegerField(blank=True) # optimalCreditsPerTerm = models.IntegerField(blank=True) UPDATE: When I run python manage.py loadddata initial_data, it gives an error: DeserializationError: Invalid model identifier: myapp.SomeModel Loading this data had worked fine before. This error is thrown on the very first data object in the data file.

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  • How to implement Template Inheritance (like Django?) in PHP5

    - by anonymous coward
    Is there an existing good example, or how should one approach creating a basic Template system (thinking MVC) that supports "Template Inheritance" in PHP5? For an example of what I define as Template Inheritance, refer to the Django (a Python framework for web development) Templates documentation: http://docs.djangoproject.com/en/dev/topics/templates/#id1 I especially like the idea of PHP itself being the "template language", though it's not necessarily a requirement. If listing existing solutions that implement "Template Inheritance", please try to form answers as individual systems, for the benefit of 'popular vote'.

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  • How to add member variable to an interface in c#

    - by Nassign
    I know this may be basic but I cannot seem to add a member variable to an interface. I tried inheriting the interface to an abstract class and add member variable to the abstract class but it still does not work. Here is my code: public interface IBase { void AddData(); void DeleteData(); } public abstract class AbstractBase : IBase { string ErrorMessage; abstract AddData(); abstract DeleteData(); }

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  • Looking for fastest and least-programming-required path to implement a web site with user submitted

    - by Howiecamp
    I'm looking to throw up a web site that supports user submitted entries and allows voting and comments. Similar in form and function to FMyLife. Basic requirements of site: Users can submit text entries - generally 1 liners Enters can be up or down voted Comments allowed - presentation collapseable Would like the fastest path possible. Ideal solution is configurable vs requirement for programming.

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  • Unit of Work Pattern in .Net

    - by Jazza
    Does anyone have any concrete examples of a simple Unit of Work pattern in C# or Visual Basic that would handle the following scenario? I'm writing a WinForms application in which a customer can have multiple addresses associated with it. The user can add, edit and delete addresses belonging to the customer before the customer is saved back to the database. Therefore, at the time of saving, all the original addresses need to be deleted from the database and the new addresses added in a single transaction.

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  • Do you have any tips for commenting code?

    - by Rob Wells
    G'day, I've read both of Steve McConnell's excellent Code Complete books "Code Complete" and "Code Complete 2" and was wondering if people have any other suggestions for commenting code.co My commenting mantra could be summed up by the basic idea of expressing "what the code below cannot say". While enjoying this interesting blog post by Jeff about commenting I was still left wondering "When coding, when do you feel a comment is required?"

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  • Project summary - Source code lines

    - by MartyIX
    I'm looking for a tool that would count the number of files, the number of lines (with or without comments) and possibly other statistics for my project in PHP and JavaScript. Notes: I've already found SLOCCount which seems quite nice. It requires Cygwin. Yes, I can wrote a simple script for basic information but I'm looking for something more complex. Do you know about alternatives for Windows? Thanks!

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  • Hash Map Usage and Idea

    - by Anand
    Hi, I have been working in Java for the last 6 months and have been using Hash Maps What is the basic idea of a Hash Map ? I am using it as it easy for me to store so much data with direct key references rather than having to iterate through an arraylist ? Where is the power of Hash Map seen ? What is the scientific idea behind this data structure ?

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  • creating a .sh file programmatically under windows and running it on a linux system from cygwin

    - by user1296193
    i want to write program, in windows, which will write a .sh file, then connect to a linux machine via cygwin and ssh, and execute that .sh file. I've had to use dos2unix to convert .sh files that I created in windows to run under linux. Obviously if I am executing a script with ssh it will have to be linux formatted to work. so I need to know how to create a linux appropriate .sh file using c or openoffice basic or vBA. thanks!

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  • Goolge App Engine authorization with Google Apps Domain

    - by Ron
    I have successfully followed the examples to gain an AuthSub token to authorize my application to have access to the user's Google Calendar. I have added the domain parameter to the method gdata.auth.generate_auth_sub_url so that the application is authenticated against a Google Apps Domain user. The app is then installed in one of our test domains. This is working fine, however, each user in the domain has to go through the authorization process. In other Marketplace Apps that I have tried, this authorization is done once for the whole domain when the app is installed. How is this achieved?

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  • TSQL Email Validation (without regex)

    - by Eric Z Beard
    Ok, there are a million regexes out there for validating an email address, but how about some basic email validation that can be integrated into a TSQL query for Sql Server 2005? I don't want to use a CLR procedure or function. Just straight TSQL. Has anybody tackled this already?

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  • What does the operator "<<" mean in C#?

    - by Kurru
    I was doing some basic audio programming in C# using the NAudio package and I came across the following expression and I have no idea what it means, as i've never seen the << operator being used before. So what does << mean? Please give a quick explaination of this expression. short sample = (short)((buffer[index + 1] << 8) | buffer[index + 0]);

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  • How do you set the twitter user location in JTwitter?

    - by Gregg Reno
    I'm building some basic Twitter functionality into my app, and am using the JTwitter JAR to read and set status. It looks like there is a User class that can be used to set the location, but I just can't figure out how to set it with my GPS coordinates once I've got my Twitter object. Has anyone been able to set the user.location property using JTwitter? Thanks, -Gregg

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