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Difference between System.DateTime.Now and System.DateTime.Today
...rst gets the UTC time (via the GetSystemTimeAsFileTime function in the Win32 API) and then it converts the value to the local time zone. (Therefore DateTime.Now.ToUniversalTime() is more expensive than DateTime.UtcNow.)
Also note that DateTimeOffset.Now.DateTime will have similar values to DateTim...
How to use auto-layout to move other views when a view is hidden?
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23 Answers
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Active
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Understanding implicit in Scala
...is required.
implicit def doubleToInt(d: Double) = d.toInt
val x: Int = 42.0
will work the same as
def doubleToInt(d: Double) = d.toInt
val x: Int = doubleToInt(42.0)
In the second we've inserted the conversion manually; in the first the compiler did the same automatically. The conversion is ...
Where should I put tags in HTML markup?
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1922
Here's what happens when a browser loads a website with a <script> tag on it:
Fetch the...
Grep not as a regular expression
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answered Feb 23 '12 at 15:50
Mr ListerMr Lister
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How to load db:seed data into test database automatically?
I'm attempting to use the new standard way of loading seed data in Rails 2.3.4+, the db:seed rake task.
8 Answers
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How do I return early from a rake task?
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291
A Rake task is basically a block. A block, except lambdas, doesn't support return but you can ...
How to change bower's default components folder?
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edited Mar 31 '15 at 22:31
automatix
9,7421717 gold badges7070 silver badges178178 bronze badges
an...
How to redirect to a 404 in Rails?
...1) It uses Rails' built in rescue_from handler to render the 404 page, and
2) it interrupts the execution of your code, letting you do nice things like:
user = User.find_by_email(params[:email]) or not_found
user.do_something!
without having to write ugly conditional statements.
As a bonus, ...
How do I enable EF migrations for multiple contexts to separate databases?
... database? When I run Enable-Migrations in the PM console (Visual Studio 2012), there's an error because of there being multiple contexts:
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