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Rails create or update magic?
...h, in most cases, is hardly an issue at all. So unless you have serious performance concerns, I would not use the gem.
For example, if no user is found with the name "Roger", a new user instance is instantiated with its name set to "Roger".
user = User.where(name: "Roger").first_or_initialize
user...
For-each over an array in JavaScript
...
If the length of the array won't change during the loop, and it's in performance-sensitive code (unlikely), a slightly more complicated version grabbing the length up front might be a tiny bit faster:
var index, len;
var a = ["a", "b", "c"];
for (index = 0, len = a.length; index < len; ...
Just disable scroll not hide it?
...
I'm the OP
With the help of answer from fcalderan I was able to form a solution. I leave my solution here as it brings clarity to how to use it, and adds a very crucial detail, width: 100%;
I add this class
body.noscroll
{
position: fixed;
overflow-y: scroll;
width: 100%;
}...
javascript: Clear all timeouts?
...h is not required by specification). Althrough the starting number differs form browser to browser. It seems that Opera, Safari, Chrome and IE > 8 starts timeout ids from 1, Gecko-based browsers from 2 and IE <= 8 from some random number that is magically saved across tab refresh. You can disc...
Make Vim show ALL white spaces as a character
...sual, to understand how listchars works, use the help. It provides great information about what chars can be displayed (like trailing space, for instance) and how to do it:
:help listchars
It might be helpful to add a toggle to it so you can see the changes mid editing easily (source: VIM :set li...
ASP.NET MVC: Custom Validation by DataAnnotation
...lt; this.MinLength)
{
return new ValidationResult(this.FormatErrorMessage(validationContext.DisplayName));
}
return null;
}
}
and then you might have a view model and decorate one of its properties with it:
public class MyViewModel
{
[CombinedMinLength(...
What is stdClass in PHP?
...for booleans will be extremely old, probably written before standards were formed. Let's be honest, PHP was originally written as a complete mess without any standards (see the wide range of variable/function/object naming conventions used). I've honestly never seen any PHP code where the developer ...
Is PHP compiled or interpreted?
... to produce bytecode for processing by the Zend Engine, giving improved performance over its interpreter predecessor.
– kiranvj
Jul 28 '12 at 16:17
5
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How do I check if file exists in jQuery or pure JavaScript?
...
its some more details on the non-jQuery form which can be helpful
– tim peterson
Jul 2 '13 at 14:12
...
How do I Search/Find and Replace in a standard string?
...if you need to. What I don't see, is how to do this without applying some form of regular expression parsing -- instead using only a direct interpretation of the from characters.
– Brent Bradburn
Jun 23 '16 at 14:36
...