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CSS force image resize and keep aspect ratio
...max-width:230px;
max-height:95px;
width: auto;
height: auto;
}
<p>This image is originally 400x400 pixels, but should get resized by the CSS:</p>
<img width="400" height="400" src="http://i.stack.imgur.com/aEEkn.png">
This will make image shrink if it's too big f...
Font scaling based on width of container
...en/fBJxu
Also, please view this article, which uses a technique dubbed 'molten leading' to adjust the line-height as well. Molten Leading in CSS
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What does inverse_of do? What SQL does it generate?
... fetching it again through a relationship.
Their example:
class Dungeon < ActiveRecord::Base
has_many :traps, :inverse_of => :dungeon
has_one :evil_wizard, :inverse_of => :dungeon
end
class Trap < ActiveRecord::Base
belongs_to :dungeon, :inverse_of => :traps
end
class EvilWi...
Converting List to List
I have a list of integers, List<Integer> and I'd like to convert all the integer objects into Strings, thus finishing up with a new List<String> .
...
Reflection - get attribute name and value on property
...more dynamic by passing types into the routine):
public static Dictionary<string, string> GetAuthors()
{
Dictionary<string, string> _dict = new Dictionary<string, string>();
PropertyInfo[] props = typeof(Book).GetProperties();
foreach (PropertyInfo prop in props)
...
Can I get the name of the current controller in the view?
...h an about action, you can then highlight the link like so in your view:
<li>
<a class='button <% if controller.controller_name == "static_pages" && controller.action_name == "about" %>active<%end%>' href="/about">
About Us
</a>
</li>
...
How to decode Unicode escape sequences like “\u00ed” to proper UTF-8 encoded characters?
...I was looking at the output with json_encode() and funnily enough the default json_encode() will trash up the output so use json_encode($theDict,JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);
– Tom Andersen
Sep 26 '17 at 0:32
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How can I combine two HashMap objects containing the same types?
...
map3 = new HashMap<>();
map3.putAll(map1);
map3.putAll(map2);
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JavaScript click event listener on class
...ttribute("data-myattribute");
alert(attribute);
};
for (var i = 0; i < elements.length; i++) {
elements[i].addEventListener('click', myFunction, false);
}
jQuery does the looping part for you, which you need to do in plain JavaScript.
If you have ES6 support you can replace your last ...
How do you use String.substringWithRange? (or, how do Ranges work in Swift?)
... String.Index.
var str = "Hello, playground"
str.substringWithRange(Range<String.Index>(start: str.startIndex, end: str.endIndex)) //"Hello, playground"
To change the start and end index, use advancedBy(n).
var str = "Hello, playground"
str.substringWithRange(Range<String.Index>(star...