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Ruby on Rails form_for select field with class
..._class' }) %>
select helper takes two options hashes, one for select, and the second for html options. So all you need is to give default empty options as first param after list of items and then add your class to html_options.
http://api.rubyonrails.org/classes/ActionView/Helpers/FormOptionsH...
How to make a class conform to a protocol in Swift?
... error... You might not need to implement the entire protocol in all cases and might want to build prior to doing so... it's not a big deal, but feels a bit unnecessary.
– Magoo
Mar 31 '16 at 11:52
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Java: int array initializes with nonzero elements
... with a situation where it is not. Such a behavior occurs first in JDK 7u4 and also occurs in all later updates (I use 64-bit implementation). The following code throws exception:
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Mapping composite keys using EF code first
...actually have an entity for the join table... I just have the two entities and an EntityConfiguration on one of them with a .Map() to set up the mapping.
– Mir
May 6 '14 at 15:33
3...
What does FrameLayout do?
...Then I searched, but I couldn't find something useful. What is FrameLayout and what does it do?
5 Answers
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Android gradle: buildtoolsVersion vs compileSdkVersion
...ween buildtoolsVersion vs compileSdkVersion in the build.gradle for an Android project?
2 Answers
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Are HTTP headers case-sensitive?
...aders":
Each header field consists of a name followed by a colon (":") and the field value. Field names are case-insensitive.
The updating RFC 7230 does not list any changes from RFC 2616 at this part.
share
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How do I get jQuery autocompletion in TypeScript?
... Is jquery.d.ts provided by JQUERY or custom. If custom, how do we update and keep sync with new version of JQUERY?
– Nil Pun
Oct 13 '12 at 21:13
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How to use Swift @autoclosure
...})
// "It's true"
If we omit the braces, we are passing in an expression and that's an error:
f(pred: 2 > 1)
// error: '>' produces 'Bool', not the expected contextual result type '() -> Bool'
@autoclosure creates an automatic closure around the expression. So when the caller writes an...
Get cursor position (in characters) within a text Input field
...s for me without this line. Be careful if you use blur event on your input and execute that function inside a callback.
– Kirill Reznikov
Sep 14 '15 at 9:35
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