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Change the name of the :id parameter in Routing resources for Rails
...he Rails 4 code.
Details
You can easily implement this in your routes.rb file:
# config/routes.rb
resources :posts, param: :slug
# app/controllers/posts_controller.rb
# ...
@post = Post.find_by(slug: params[:slug])
# ...
As of the release of Rails 4, this functionality is documented in the R...
YouTube iframe API: how do I control an iframe player that's already in the HTML?
...was specified". Why?
A: The API doesn't function properly at a local host (file://). Host your (test) page online, or use JSFiddle. Examples: See the links at the top of this answer.
Q: How did you know this?
A: I have spent some time to manually interpret the API's source. I concluded that I had t...
GUI not working after rewriting to MVC
I'm practicing MVC style programming. I have a Mastermind game in a single file, working fine (maybe apart of the fact that "Check" button is invisible at start).
...
How do I use WPF bindings with RelativeSource?
...meaning aren't really related to the ones on the right (why is there a .cs file inside the ViewModel?) 2: at what do these DataContext arrows point? 3: why is the Message property not in the ViewModel1? and most importantly 5: Why do you need a RelativeSource Binding to get to the Window's DataConte...
Working with select using AngularJS's ng-options
...son', {}, {
query: {method:'GET', isArray:true}
});
});
HTML file:
<div ng:controller="MakeModelCtrl">
<div>Make</div>
<select id="makeListBox"
ng-model="make.selected"
ng-options="make.code as make.name for make in makes"
ng-change="makeChan...
In AngularJS, what's the difference between ng-pristine and ng-dirty?
...you have both .ng-pristine and .ng-dirty available for styling in your css files. I guess this was the primary reason for adding both directives.
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What exactly is Type Coercion in Javascript?
...get an error:
>>> "hi" + 10
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: cannot concatenate 'str' and 'int' objects
Yet in JavaScript, you don't. The 10 gets converted to a string:
> "hi" + 10
"hi10"
"Type coercion" is just a fancy...
Decompressing GZip Stream from HTTPClient Response
...new SqlConnection();
//As specified in the App.config/web.config file
objConnection.ConnectionString = System.Configuration.ConfigurationManager.ConnectionStrings["foo"].ToString();
try
{
objConnection.Open();
...
jquery's append not working with svg element?
... use XHTML (properly served as application/xhtml+xml; save with the .xhtml file extension for local testing) to get SVG to work at all. (It kind of makes sense to anyway; SVG is a properly XML-based standard.) This means you'd have to escape the < symbols inside your script block (or enclose in a...
Retrieving the last record in each group - MySQL
...ng w/ an in-house version control, say, and you have a ton of versions per file, that join result would be massive. Have you ever benchmarked the subquery method with this one? I'm pretty curious to know which would win, but not curious enough to not ask you first.
– Eric
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