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How to count the number of occurrences of an element in a List
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@rozina You get all counts in one pass.
– atoMerz
Apr 22 '18 at 7:17
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show 1 mor...
How to do associative array/hashing in JavaScript
...numbers as index.
Create an object with
var dictionary = {};
JavaScript allows you to add properties to objects by using the following syntax:
Object.yourProperty = value;
An alternate syntax for the same is:
Object["yourProperty"] = value;
If you can, also create key-to-value object maps with...
Firebug says “No Javascript on this page”, even though JavaScript does exist on the page
... 'debugger' option. See this page for a discussion on the migration. Read all the posts dated 19 November for further information.
It seems to me that the option gives less functionality but Firebug per se is never going to be fixed for Firefox 50 and beyond
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What is the advantage of using heredoc in PHP? [closed]
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The heredoc syntax is much cleaner to me and it is really useful for multi-line strings and avoiding quoting issues. Back in the day I used to use them to construct SQL queries:
$sql = <<<SQL
select *
from $tablename
where id in [$order_ids_list]
and product_na...
Disable time in bootstrap date time picker
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I tried all of the solutions posted here but none of them worked for me. I managed to disable the time by using this line of code in my jQuery:
$('#datetimepicker4').datetimepicker({
format: 'YYYY-MM-DD'
});
This set the forma...
What are the differences between poll and select?
I am referring to the POSIX standard select and poll system C API calls.
3 Answers
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Constructor overloading in Java - best practice
...onstructors as simple as possible, and the simplest way is that they only call this(...). That way you only need to check and handle the parameters once and only once.
public class Simple {
public Simple() {
this(null);
}
public Simple(Resource r) {
this(r, null);
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Understanding the transclude option of directive definition?
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Consider a directive called myDirective in an element, and that element is enclosing some other content, let's say:
<div my-directive>
<button>some button</button>
<a href="#">and a link</a>
</div>
If...
How do I execute a Git command without being in the repository?
...Try:
git --git-dir=/home/repo/.git log
It is important to give the path all the way up to the .git directory of your repository. Otherwise you will get only an error message that says something like:
fatal: Not a git repository
...
URL matrix parameters vs. query parameters
...tp://example.com/res/categories;name=foo/objects;name=green/?page=1
It really comes down to namespacing.
Note: The 'levels' of resources here are categories and objects.
If only query parameters were used for a multi-level URL, you would end up with
http://example.com/res?categories_name=foo&...