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Change select box option background color
..."1"] {
background: rgba(100, 100, 100, 0.3);
}
select option[value="2"] {
background: rgba(150, 150, 150, 0.3);
}
select option[value="3"] {
background: rgba(200, 200, 200, 0.3);
}
select option[value="4"] {
background: rgba(250, 250, 250, 0.3);
}
<select>
<opti...
How to get execution time in rails console?
...
242
timing = Benchmark.measure { Post.all }
The various attributes of the object returned (Bench...
Scala constructor overload?
...structors in Scala must either call the primary constructor (as in landon9720's) answer, or another auxiliary constructor from the same class, as their first action. They cannot simply call the superclass's constructor explicitly or implicitly as they can in Java. This ensures that the primary const...
How to sort in-place using the merge sort algorithm?
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142
Knuth left this as an exercise (Vol 3, 5.2.5). There do exist in-place merge sorts. They must be...
How to wait 5 seconds with jQuery?
...ding, so put that code inside your $(document).ready(...); script.
UPDATE 2: jquery 1.4.0 introduced the .delay method. Check it out. Note that .delay only works with the jQuery effects queues.
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Android Studio - Ambiguous method call getClass()
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255
I think it is a bug in Android Studio. As we know, Android Studio is based on the IntelliJ Pla...
How do I include a file over 2 directories back?
How do you include a file that is more than 2 directories back. I know you can use ../index.php to include a file that is 2 directories back, but how do you do it for 3 directories back?
Does this make sense?
I tried .../index.php but it isn't working.
...
How to change a command line argument in Bash?
...
2 Answers
2
Active
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How do I find if a string starts with another string in Ruby?
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263
puts 'abcdefg'.start_with?('abc') #=> true
[edit] This is something I didn't know before...
PHP, get file name without file extension
... "\n";
echo $path_parts['filename'], "\n"; // filename is only since PHP 5.2.0
Output of the code:
/www/htdocs
index.html
html
index
And alternatively you can get only certain parts like:
echo pathinfo('/www/htdocs/index.html', PATHINFO_EXTENSION); // outputs html
...