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Can you set a border opacity in CSS?
...The only hitch is whether you want to stick to W3C standards or step aside from it to create something in CSS.
To use W3C online CSS validator / Direct Input.
Always a good idea to use a validator to check your work, it really helps finding small or even large errors in coding when your going cros...
Stream vs Views vs Iterators
...d, all transformations are re-applied each time you need to fetch elements from it.
Both Iterator and views have excellent memory characteristics. Stream is nice, but, in Scala, its main benefit is writing infinite sequences (particularly sequences recursively defined). One can avoid keeping all of...
Android icon vs logo
...need to set a logo before API Level 11, because Android used the old theme from API Level 1 to API Level 10. A new theme (Holo) was used since API Level 11. That is why everything I mentioned was available since API Level 11.
– Ben van Hartingsveldt 'P'
Jul 16 ...
Black transparent overlay on image hover with only CSS?
...th a content value of attr(data-content), the pseudo element adds the text from the .image element's data-content attribute:
<div data-content="Text added on hover" class="image">
<img src="http://i.stack.imgur.com/Sjsbh.jpg" alt="" />
</div>
You can add some styling and do so...
What is the default value for enum variable?
...s whatever member of the enumeration represents the value 0. Specifically, from the documentation:
The default value of an enum E is the value produced by the expression (E)0.
As an example, take the following enum:
enum E
{
Foo, Bar, Baz, Quux
}
Without overriding the default values, p...
In Vim, how do you search for a word boundary character, like the \b in regexp?
...me "regexp" means PCRE. It is worth noting that Vim's regex syntax differs from (and apparently predates) PCRE.
See also:
Why does VIM have its own regex syntax?
What's the difference between vim regex and normal regex?
Within vim's regex engine, why are some metacharacters escaped and some are n...
TypeScript typed array usage
...of these. They are not giving me errors.
It is also the suggested method from typescript for array declaration.
By using the Array<Thing> it is making use of the generics in typescript. It is similar to asking for a List<T> in c# code.
// Declare with default value
private _possess...
Rounding DateTime objects
...mething like Bankers Rounding technically round half even to be truly free from bias.
It is quite likely that you really only care about the first point but in these 'simple' questions the resulting behaviour can have far reaching consequences as you use it in the real world (often at the interva...
Rails: Missing host to link to! Please provide :host parameter or set default_url_options[:host]
...rhost" }
That way, it can work in all environments and could be different from environment to environment. For example:
development.rb
config.action_mailer.default_url_options = { :host => "dev.yourhost.com" }
test.rb
config.action_mailer.default_url_options = { :host => "test.yourhost.c...