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What is Mocking?
... a "minimal" simulated object. The stub implements just enough behavior to allow the object under test to execute the test.
A mock is like a stub but the test will also verify that the object under test calls the mock as expected. Part of the test is verifying that the mock was used correctly.
To gi...
What are the differences between a HashMap and a Hashtable in Java?
...shMap better for non-threaded applications, as unsynchronized Objects typically perform better than synchronized ones.
Hashtable does not allow null keys or values. HashMap allows one null key and any number of null values.
One of HashMap's subclasses is LinkedHashMap, so in the event that you'd wa...
Difference between “module.exports” and “exports” in the CommonJs Module System
...ns to be set to module.exports.
At the end of your file, node.js will basically 'return' module.exports to the require function. A simplified way to view a JS file in Node could be this:
var module = { exports: {} };
var exports = module.exports;
// your code
return module.exports;
If you set a...
load scripts asynchronously
...time to load. it will be nice if I can display the loader before importing all the:
19 Answers
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jQuery $.ajax(), $.post sending “OPTIONS” as REQUEST_METHOD in Firefox
...e if you can use a JSONP callback instead:
$.getJSON( 'http://<url>/api.php?callback=?', function ( data ) { alert ( data ); } );
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Reactjs convert html string to jsx
... dompurify npm package if you're getting that information from an external API.
– Barry Michael Doyle
Jan 27 at 8:10
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Get user profile picture by Id
... is mostly based of facebook graph api.
I hold some data about users - actually , the possible public data available - such as name and id.
I also know that a profile picture is a part of the public data, and I wondered how I'll be able to get a direct link to a profile picture of a user only by usi...
405 method not allowed Web API
This error is very common, and I tried all of the solutions and non of them worked. I have disabled WebDAV publishing in control panel and added this to my web config file:
...
How to write file if parent folder doesn't exist?
...
If the whole path already exists, mkdirp is a noop. Otherwise it creates all missing directories for you.
This module does what you want: https://npmjs.org/package/writefile . Got it when googling for "writefile mkdirp". This module returns a promise instead of taking a callback, so be sure to r...
Algorithm to implement a word cloud like Wordle
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I'm the creator of Wordle. Here's how Wordle actually works:
Count the words, throw away boring words, and sort by the count, descending. Keep the top N words for some N. Assign each word a font size proportional to its count. Generate a Java2D Shape for each word, using t...