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How to find first element of array matching a boolean condition in JavaScript?
... var result = null;
arr.some(function(el, i) {
return test.call(ctx, el, i, arr) ? ((result = el), true) : false;
});
return result;
}
var result = find(someArray, isNotNullNorUndefined);
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Check if object is a jQuery object
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isn't obj.__proto__.jquery instead of obj.constructor.prototype.jquery enough? just a bit short :)
– Axel
Jul 3 '17 at 9:35
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Submit HTML form on self page
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In 2013, with all the HTML5 stuff, you can just omit the 'action' attribute to self-submit a form
<form>
Actually, the Form Submission subsection of the current HTML5 draft does not allow action="" (empty attribute). It is against...
Calling method using JavaScript prototype
Is it possible to call the base method from a prototype method in JavaScript if it's been overridden?
14 Answers
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How do I clone a job in Jenkins?
...ether it exists.
The default tab on the front page of Jenkins should list all existing jobs, but maybe your predecessor deleted the tab. You can create a new tab listing all jobs from http://your-jenkins/newView.
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When should I use C++14 automatic return type deduction?
...tatement boundaries we make types explicit, within expressions they are usually implicit but we can make them explicit with casts". C++11 and C++1y introduce type deduction tools so that you can leave out the type in new places.
Sorry, but you're not going to solve this up front by making general r...
Get local IP address in node.js
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@CarterCole you need an extra call to .values() before flatten.
– Guido
Mar 4 '15 at 9:41
3
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How to check the version before installing a package using apt-get?
I'm thinking to install hylafax+ version 5.5.4 which was release last month on my Debian PC.
10 Answers
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Sorting an IList in C#
...ting problem today. We have a WCF web service that returns an IList. Not really a big deal until I wanted to sort it.
15 An...
Oracle SQL: Update a table with data from another table
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This is called a correlated update
UPDATE table1 t1
SET (name, desc) = (SELECT t2.name, t2.desc
FROM table2 t2
WHERE t1.id = t2.id)
WHERE EXISTS (
SELECT 1
FROM table2 t2...