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How to check if a string is a valid hex color representation?
...beginning
# -> a hash
[0-9A-F] -> any integer from 0 to 9 and any letter from A to F
{6} -> the previous group appears exactly 6 times
$ -> match end
i -> ignore case
If you need support for 3-character HEX codes, use the following:
/^#([0-9A-F]{...
Add a custom attribute to a Laravel / Eloquent model on load?
...e underlying table.
As Taylor Otwell mentioned here, "This is intentional and for performance reasons." However there is an easy way to achieve this:
class EventSession extends Eloquent {
protected $table = 'sessions';
protected $appends = array('availability');
public function getAv...
Check if Key Exists in NameValueCollection
Is there a quick and simple way to check if a key exists in a NameValueCollection without looping through it?
12 Answers
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Maven: best way of linking custom external JAR to my project?
It's my first couple of days learning Maven and I'm still struggling with the basics. I have an external .jar file (not available in the public repos) that I need to reference in my project and I'm trying to figure out what my best option is.
...
Google Maps API - Get Coordinates of address
...ntain+View,+CA
Edit:
Please note that this is now a deprecated method and you must provide your own Google API key to access this data.
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Where does PHP's error log reside in XAMPP?
...ith a path of: /opt/lampp/logs/php_error_log
– Scott Anderson
Apr 13 '19 at 14:16
add a comme...
Initializing a two dimensional std::vector
...std::vector::vector(count, value) constructor that accepts an initial size and a default value:
std::vector<std::vector<int> > fog(
A_NUMBER,
std::vector<int>(OTHER_NUMBER)); // Defaults to zero initial value
If a value other than zero, say 4 for example, was required to...
How do I generate random integers within a specific range in Java?
How do I generate a random int value in a specific range?
66 Answers
66
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How to efficiently build a tree from a flat structure?
I have a bunch of objects in a flat structure. These objects have an ID and a ParentID property so they can be arranged in trees. They are in no particular order.
Each ParentID property does not necessarily matches with an ID in the structure. Therefore their could be several trees emerging ...
Inline elements shifting when made bold on hover
I created a horizontal menu using a HTML lists and CSS. Everything works as it should except when you hover over the links. You see, I created a bold hover state for the links, and now the menu links shift because of the bold size difference.
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