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PHP $_SERVER['HTTP_HOST'] vs. $_SERVER['SERVER_NAME'], am I understanding the man pages correctly?
... read the PHP $_SERVER docs . Do I have this right regarding which to use for my PHP scripts for simple link definitions used throughout my site?
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Rails Root directory path?
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For super correctness, you should use:
Rails.root.join('foo','bar')
which will allow your app to work on platforms where / is not the directory separator, should anyone try and run it on one.
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Rspec doesn't see my model Class. uninitialized constant error
I'm writing tests on Rspec for my models in Ruby on Rails application.
And I receive this error while starting 'rspec spec'
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How to create a DataTable in C# and how to add rows?
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Don't forget to call dt.AcceptChanges() in case you use DataView with filter other than CurrentRows.
– Salamander2007
Jun 25 '09 at 7:44
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Concatenating two one-dimensional NumPy arrays
...e able to concatenate them using numpy.concatenate . But I get this error for the code below:
6 Answers
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How can we match a^n b^n with Java regex?
...nly write a Java regex pattern to match anbn. It uses a positive lookahead for assertion, and one nested reference for "counting".
Rather than immediately giving out the pattern, this answer will guide readers through the process of deriving it. Various hints are given as the solution is slowly cons...
ASP.NET MVC - Attaching an entity of type 'MODELNAME' failed because another entity of the same type
...POSTing wrapper model and changing the state of one entry to 'Modified'. Before changing the state, the state is set to 'Detached' but calling Attach() does throw the same error. I'm using EF6.
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Adding Core Data to existing iPhone project
...y import the header in the files you need them.
So open up Xcode and look for some file like App_Prefix.pch, by default it's in the Other Sources group. After the UIKit import statement, add the following line:
#import <CoreData/CoreData.h>
And you should be ready to go.
Xcode 4
For proj...
How does type Dynamic work and how to use it?
...r interface - the concrete implementation is filled-in by the compiler. As for Scalas String Interpolation feature there are well defined rules describing the generated implementation. In fact, one can implement four different methods:
selectDynamic - allows to write field accessors: foo.bar
updat...
iOS 7 status bar back to iOS 6 default style in iPhone app?
...ammatically in the traditional manner, or UIKit will update the appearance for you based on some new properties of UIViewController. The latter option is on by default. Check your app’s plist value for “ViewController-Based Status Bar Appearance” to see which one you’re using. If you set thi...