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Is it unnecessary to put super() in constructor?
Isn't this one automatically put by the compiler if I don't put it in a subclass's constructor?
6 Answers
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Why do we declare Loggers static final?
... edited Mar 9 '15 at 11:29
Community♦
111 silver badge
answered Jul 11 '11 at 16:50
Tomasz NurkiewiczTo...
Is there an R function for finding the index of an element in a vector?
... vector, to find the first match of elements given in another one. And for completeness, I added that if you are interested in all indices, you'll have to use which(%in%). BTW, there is no reason to delete your answer. It's valid information.
– Joris Meys
Apr 7...
Allow CORS REST request to a Express/Node.js application on Heroku
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@ConnorLeech I think you should add your comment as an answer... works like a treat, and it's nice and simple
– drmrbrewer
Nov 19 '17 at 17:25
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When to use a “has_many :through” relation in Rails?
...re else you use the user class and change it:
user.groups.first.name
# becomes
user.group_memberships.first.group.name
This type of code sucks, and it makes introducing changes like this painful.
has_many :through gives you the best of both worlds:
class User < ActiveRecord::Base
has_man...
Use dynamic variable names in JavaScript
... If you need to access nested properties check out stackoverflow.com/questions/4244896/…
– Mr Br
Jun 22 '15 at 8:12
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Sleep Command in T-SQL?
Is there to way write a T-SQL command to just make it sleep for a period of time? I am writing a web service asynchronously and I want to be able to run some tests to see if the asynchronous pattern is really going to make it more scalable. In order to "mock" an external service that is slow, I wa...
How do I verify a method was called exactly once with Moq?
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What is the difference between assert, expect and should in Chai?
... edited May 23 '17 at 12:10
Community♦
111 silver badge
answered Jan 28 '14 at 12:01
LouisLouis
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Capture iframe load complete event
...sible that it will not be called (e.g. if the iframe is very very fast, or coming from cache).
<iframe id="myframe" src="..."></iframe>
<script>
document.getElementById('myframe').onload = function() {
alert('myframe is loaded');
};
</script>
Also see my other answer ...