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Why use JUnit for testing?
...method if implemented, otherwise using == reference comparison). Note: For arrays, it is the reference that is checked, and not the contents, use assertArrayEquals([message,] expected, actual) for that.
assertEquals([message,] expected, actual, delta) - Tests whether two float or double values are i...
How to use Elasticsearch with MongoDB?
...ongoose.model('Page', new mongoose.Schema({
title: String,
categories: Array
}), 'your_collection_name');
// stream query
var stream = Page.find({
}, {title: 1, _id: 0, categories: 1}).limit(1500000).skip(0).batchSize(500).stream();
elasticbulk.import(stream, {
index: 'my_index_name',
typ...
How do I pass a variable by reference?
...g was a pointer, which one could follow to the piece of memory (primitive, array, struct, whatever), but you couldn't change the pointer that was copied from the outer scope - when you were done with the function, the original pointer still pointed to the same address. C++ introduced references, whi...
How do HTML parses work if they're not using regexp?
...e. You can use regular expressions in a parser, but you will need a whole array of regular expressions for each possible state of parsing.
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The new syntax “= default” in C++11
...n you need to use = default.
§8.5.1/1 [dcl.init.aggr] An aggregate is an array or a class with no user-provided constructors, [and...]
§12.1/5 [class.ctor] A default constructor is trivial if it is not user-provided and [...]
§9/6 [class] A trivial class is a class that has a trivial default ...
Why is lock(this) {…} bad?
...cal alternatives. As a simple example, unless a collection implements a ToArray or ToList method of its own...
– supercat
Jun 5 '13 at 15:25
4
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Why use Object.prototype.hasOwnProperty.call(myObj, prop) instead of myObj.hasOwnProperty(prop)?
...ects). Some DOM objects (like NodeLists in IE in quirks mode) if passed to Array methods will throw errors, DOM objects in IE 8 and lower do not have an ECMAScript–like inheritance scheme, and so on.
Therefore it should not be assumed that all objects in a javascript environment inherit from Obje...
Suppressing “is never used” and “is never assigned to” warnings in C#
... class would be better as you don't have to explicitly state what's in the array, but I think this will be a nice reference for anyone hoping to use the object.
– user1274820
Sep 4 '19 at 15:21
...
Difference between Node object and Element object?
... level elements in your HTML page) and so on.
So, a nodeList is simply an array-like list of nodes.
An element is a specific type of node, one that can be directly specified in the HTML with an HTML tag and can have properties like an id or a class. can have children, etc... There are other types...
Undefined, unspecified and implementation-defined behavior
...ly vote, period.
Other examples of undefined behavior include accessing an array beyond its bounds, dereferencing the null pointer, accessing objects after their lifetime ended or writing allegedly clever expressions like i++ + ++i.
Section 1.9 of the C++ standard also mentions undefined behavior's ...