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Rails - How to use a Helper Inside a Controller
...to include your helper module in your controller:
class MyController < ApplicationController
include MyHelper
def xxxx
@comments = []
Comment.find_each do |comment|
@comments << {:id => comment.id, :html => html_format(comment.content)}
end
end
end
Option 2...
Memcached vs APC which one should I choose? [closed]
...way back when.. I want to get the best caching engine available so that my application is really fast. Of course I don't want to over-cache but I want to at least choose the best thing out there. In that article it says Memcached is slow and apc is fast so why is everyone choosing memcached ?
...
Emulator error: This AVD's configuration is missing a kernel file
...hen I tried to run the Android emulator in Eclipse. Can't figure out what happened. I searched online for the solution, but it seemed to be vague and I don't understand clearly.
I was following the steps to install the AVD according to the sites and I can't figure out what I missed. Please explain ...
Get nth character of a string in Swift programming language
...n?
The error message says "see the documentation comment for discussion". Apple provides the following explanation in the file UnavailableStringAPIs.swift:
Subscripting strings with integers is not available.
The concept of "the ith character in a string" has
different interpretations in...
How to make Entity Framework Data Context Readonly
...s MyReadOnlyContext : DbContext
{
// Use ReadOnlyConnectionString from App/Web.config
public MyContext()
: base("Name=ReadOnlyConnectionString")
{
}
// Don't expose Add(), Remove(), etc.
public DbQuery<Customer> Customers
{
get
{
...
When should I use File.separator and when File.pathSeparator?
...are dealing with a list of files like in a classpath. For example, if your app took a list of jars as argument the standard way to format that list on unix is: /path/to/jar1.jar:/path/to/jar2.jar:/path/to/jar3.jar
So given a list of files you would do something like this:
String listOfFiles = ......
What is the difference between service, directive and module?
... other modules giving you a high level of reuse.
When writing an angular app, you would have a top-level module which is your application code (without templates).
Services are mainly a way to communicate between controllers, but you can inject one service into another. Services are often used as...
How do I Disable the swipe gesture of UIPageViewController?
...l move between view controllers on demand.
The above can be deduced from Apple's documentation of UIPageViewController (Overview, second paragraph):
To support gesture-based navigation, you must provide your view controllers using a data source object.
...
Cropping an UIImage
...tation of an image, similar to what's seen in the album view of the Photos app. (I know I could use a UIImageView and adjust the crop mode to achieve the same results, but these images are sometimes displayed in UIWebViews ).
...
Connect to a heroku database with pgadmin
...suitable for DBAs et al who can connect to any database on the server, but apparently that isn't true in your case.
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