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When to use valueChangeListener or f:ajax listener?
What's the difference between the following two pieces of code - with regards to listener placement?
2 Answers
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Most concise way to convert a Set to a List
... null, and the only weird I notice is that the index starts at 1. However, if I just create a normal list the index starts at 0. Weird?
– Jack
Feb 19 '16 at 15:04
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Is there a difference between /\s/g and /\s+/g?
...+.
However, just like how 0 multiplied by anything else is 0, it seems as if both methods strip spaces in exactly the same way.
If you change the replacement string to '#', the difference becomes much clearer:
var str = ' A B C D EF ';
console.log(str.replace(/\s/g, '#')); // ##A#B##C###D#EF...
Why am I seeing an “origin is not allowed by Access-Control-Allow-Origin” error here? [duplicate]
...cript cannot contact a remote server and send sensitive data.
jsonp is a different way to use javascript. You make a request and results are encapsulated into a callback function which is run in the client. It's the same as linking a new script tag into the head part of your html (you know that you...
How to force garbage collector to run?
...) forces garbage collector to run. This is not recommended but can be used if situations arise.
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Can I apply a CSS style to an element name?
...lled, in the sense that there are not enough id and class declarations to differentiate between elements.
10 Answers
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How to remove all listeners in an element? [duplicate]
...so clear event listeners on all child elements of the node in question, so if you want to preserve that you'll have to resort to explicitly removing listeners one at a time.
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How do I get the name of a Ruby class?
... (You need to load the ActiveSupport string inflections to be able to use if, if you are not a Rails project.)
– Per Lundberg
Jul 12 '16 at 8:24
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How does node.bcrypt.js compare hashed and plaintext passwords without the salt?
...d. During the compare, how does it know which part of the hash is the salt if you do not provide it with the salt?
– MondayPaper
May 22 '14 at 20:02
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How to do SELECT COUNT(*) GROUP BY and ORDER BY in Django?
...('actor').annotate(total=Count('actor')).order_by('total')
values() : specifies which columns are going to be used to "group by"
Django docs:
"When a values() clause is used to constrain the columns that are
returned in the result set, the method for evaluating annotations is
slightly different. I...