The following query is suitable for local but not for production: (production is heroku is running postgreSQL, local I am running sqllite database)
ruby
Tutor.joins(:expertises).wh
Category: Language
Programming language is a formal language used to define computer programs. It is a standardized communication technique used to issue instructions to a computer. A computer language allows programmers to accurately define the data that the computer needs to use, and precisely define the actions that should be taken in different situations.
Ruby-on-rails – Confused AutoLoad_paths and Eager_Load_paths in Rails 4
I read a post about rails load_paths, here is the link.
However, I am still confused about the difference between autoload_paths and eager_load_paths :
I tested them in a newly created
Ruby generates a two-dimensional code using RQRCODE
Reference: https://github.com/whomwah/rqrcode
1. gem’rqrcode’
2. In the helper:
3, views page 3. p> <%= image_tag generate_qr_code('http://baidu.com')%>
Ruby-on-rails – Rails 3 prints the HTML tag to the screen instead of rendering them
I am using the active_scaffold branch of vhochstein, and it runs very well on rails 3, except for some minor errors – http://github.com/vhochstein/active_scaffold. < /p> In rails 2.3, the following
Ruby – How to generate an activity record model from a database
I am looking for a tool or method that can convert my huge old database into active record model definitions…like reverse engineering… This is not a reverse engineering problem, it is more l
Ruby-on-rails – Can we use TypHeous Ruby to redirect?
Is it possible to follow Typhoeus redirects and how? write something like this:
res = Typhoeus::Request.get(url, {:follow_location => true})
Is it possible to follow Typhoeus redirection and how?
Write something like this:
res = Typhoeus::Request.get(url, {:follow_location => true})
VB.NET – Do you use strictly in the project?
Did you use the “strict closure” option, “explicit closure”? Or maybe it is “strict customization” and some other options, such as “implicit type. object assumption”, “late binding”, “implicit conv
The difference between SUB and FUNCTION in VB.NET
Function is a function, sub is a subroutine. Both parameters can be passed, but the function has a return value, but the subroutine does not.
Function can return one by its own name Value, su
VB.NET – VB Based on string variable from module reference properties
I have a public attribute module (named constant, its value), none of which is associated with any specific object. I need to call these attributes based on the value in a string variable. The vari
Ruby-on-rails – rails – how to store large numbers, such as 100000076685963
I need to store a lot of numbers: 100000076685963
For the integer of the db field type, which is the larger one. In my database migration, I use :
t.integer :fb_uid What field type shou