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Troubleshooting “The use statement with non-compound name … has no effect”
...as, not to "import" a namespace and thus henceforth omit the namespace qualifier altogether.
So, you could do:
use Blog\Article as BA;
... to shorten it, but you cannot get rid of it entirely.
Consequently, use Blog is useless, but I believe you could write:
use \ReallyLongNSName as RLNN;
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Group by in LINQ
Let's suppose if we have a class like:
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Overriding a Rails default_scope
If I have an ActiveRecord::Base model with a default-scope:
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How to get URI from an asset File?
... testing though was only done on the 1.6 Android emulator but I doubt its different on a real device or higher version.
EDIT: CommonsWare updated his answer to reflect this tiny change. So I've edited this so it still makes sense with his current answer.
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How to make unicode string with python3
...equivalent to str in Python3, so you can also write:
str(text, 'utf-8')
if you prefer.
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Get host domain from URL?
... in web pages / services but not behind that by default. You can Uri class if you do not have Request object available
– Adil
Jan 26 '16 at 12:27
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Rails migrations: self.up and self.down versus change
...me kind of operation you still need to define the down method, for example if you change the precision of a decimal column how to guess the original precision on rollback? It's not possible, so you need to define the down method.
As said, I suggest you to read the Rails Migrations Guide.
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Get number days in a specified month using JavaScript? [duplicate]
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@SamGoody, if your month input to daysInMonth is 1-based the function seems to work just fine. That is, e.g. June = 6.
– agibsen
May 14 '12 at 13:19
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jQuery get mouse position within an element
... var parentOffset = $(this).parent().offset();
//or $(this).offset(); if you really just want the current element's offset
var relX = e.pageX - parentOffset.left;
var relY = e.pageY - parentOffset.top;
});
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iOS: How to store username/password within an app?
...only accessible to your app, there is no need to delete it when app quits (if that was your concern).
Apple provides sample code that stores, reads and deletes keychain items and here is how to use the keychain wrapper class from that sample which greatly simplifies using Keychain.
Include Securit...