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How to validate an email address in JavaScript
...the future, or you can grab ImmortalFirefly's version to make sure they at least put in the effort to make it look real. Depending on your application it may be more likely to come across someone will get mad because you don't accept their unconventional email, rather than someone who causes proble...
JAX-RS — How to return JSON and HTTP status code together?
...eral use cases for setting HTTP status codes in a REST web service, and at least one was not sufficiently documented in the existing answers (i.e. when you are using auto-magical JSON/XML serialization using JAXB, and you want to return an object to be serialized, but also a status code different th...
MySQL, better to insert NULL or empty string?
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If you are using multiple columns in a unique index and at least one of these columns are mandatory (i.e. a required form field), if you set the other columns in the index to NULL you may end up with duplicated rows. That's because NULL values are ignored in unique columns. In this c...
How to link to a named anchor in Multimarkdown?
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This does not work (at least on codepen.io) when there is ':' in the header.
– Xiao Peng - ZenUML.com
Apr 10 '15 at 0:33
2
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Why use Object.prototype.hasOwnProperty.call(myObj, prop) instead of myObj.hasOwnProperty(prop)?
...ment that inheritance scheme.
A running javascript program consists of at least the built–in ECMAScript objects (Object, Function, Number, etc.) and probably some native objects (e.g. functions). It may also have some host objects (such as DOM objects in a browser, or other objects in other host ...
Get all Attributes from a HTML element with Javascript/jQuery
...m my experience just now this is actually a bit more complex than this. At least in some cases. For example, will this include an attribute named 'dataFld' with value 'null' (string value) or would it exclude it?
– mightyiam
Jun 19 '14 at 13:55
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How to implement “select all” check box in HTML?
...lt;br/>
UPDATE:
The for each...in construct doesn't seem to work, at least in this case, in Safari 5 or Chrome 5. This code should work in all browsers:
function toggle(source) {
checkboxes = document.getElementsByName('foo');
for(var i=0, n=checkboxes.length;i<n;i++) {
checkboxes[...
jQuery get the location of an element relative to window
...some website and took its word at face value... turns out it was wrong (or least only doesn't work on old IE).
– Noldorin
Apr 17 '19 at 22:59
add a comment
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How to change the button text of ?
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Or by browsing the browsers' source codes, at least for the Open Source ones.
– Pekka
Dec 22 '09 at 5:15
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Rails extending ActiveRecord::Base
...f find_first_comment
comments.first(created_at DESC)
end
def self.least_commented
#return the article with least number of comments
end
end
Event Model
class Event < ActiveRecord::Base
has_many :comments, as: :commentable
def find_first_comment
comments.first(created_at...