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Rails: Using build with a has_one association in rails
In this exa<em>mem>ple, I create a user with no profile , then later on create a profile for that user. I tried using build with a has_one association but that blew up. The only way I see this working is using has_<em>mem>any . The user is supposed to only have at <em>mem>ost one profile .
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'size_t' vs 'container::size_type'
...rs define size_type as a typedef to Allocator::size_type (Allocator is a te<em>mem>plate para<em>mem>eter), which for std::allocator&a<em>mem>p;lt;T&a<em>mem>p;gt;::size_type is typically defined to be size_t (or a co<em>mem>patible type). So for the standard case, they are the sa<em>mem>e.
However, if you use a custo<em>mem> allocator a different underl...
Batch equivalent of Bash backticks
When working with Bash, I can put the output of one co<em>mem><em>mem>and into another co<em>mem><em>mem>and like so:
5 Answers
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Faye vs. Socket.IO (and Juggernaut)
Socket.IO see<em>mem>s to be the <em>mem>ost popular and active WebSocket e<em>mem>ulation library. Juggernaut uses it to create a co<em>mem>plete pub/sub syste<em>mem>.
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Convert a float64 to an int in Go
... Go? I know the strconv package can be used to convert anything to or fro<em>mem> a string, but not between data types where one isn't a string. I know I can use f<em>mem>t.Sprintf to convert anything to a string, and then strconv it to the data type I need, but this extra conversion see<em>mem>s a bit clu<em>mem>sy - is...
Changing the status bar text color in splash screen iOS 7
I know that are already so<em>mem>e stackoverflow questions that say how to change the status bar for all view controllers. I a<em>mem> currently changing the color of status bar this way:
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How can I configure NetBeans to insert tabs instead of a bunch of spaces?
When I hit Tab for indenting code, I like to get a real tab. <em>Mem>eaning that when I select that, I only have one large thing selected. NetBeans inserts 5 spaces instead of a tab when I hit Tab . Is there a way I can change that?
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What is the difference between '>' and a space in CSS selectors?
...nly select B that are direct children to A (that is, there are no other ele<em>mem>ents inbetween).
A B will select any B that are inside A, even if there are other ele<em>mem>ents between the<em>mem>.
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i<em>mem>prove ...
What is ApplicationException for in .NET?
To throw exceptions, I usually use built-in exception classes, e.g. Argu<em>mem>entNullException and NotSupportedException . However, so<em>mem>eti<em>mem>es I need to use a custo<em>mem> exception and in that case I write:
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JavaScript - Get Portion of URL Path
What is the correct way to pull out just the path fro<em>mem> a URL using JavaScript?
6 Answers
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