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What are the reasons why Map.get(Object key) is not (fully) generic
...liberal in what you accept from others, but not too liberal. This idiotic API means that you can't tell the difference between "not in the collection" and "you made a static typing mistake". Many thousands of lost programmer hours could have been prevented with get : K -> boolean.
...
Why would one use nested classes in C++?
...hinder me from updating my class as anything exposed is part of the public API and must be maintained forever. By making the class private, I not only hide the implementation I am also saying this is mine and I may change it at any time so you can not use it.
Look at std::list or std::map they all ...
What is the difference between localStorage, sessionStorage, session and cookies?
...age and sessionStorage
localStorage and sessionStorage are relatively new APIs (meaning, not all legacy browsers will support them) and are near identical (both in APIs and capabilities) with the sole exception of persistence. sessionStorage (as the name suggests) is only available for the duration...
How to make an HTTP request + basic auth in Swift
...llenge: URLAuthenticationChallenge,
completionHandler: @escaping (URLSession.AuthChallengeDisposition, URLCredential?) -> Void) {
let credential = URLCredential(user: "test",
password: "test",
persistence: ...
How to move an element into another element?
...ntoMain {
border: 1px solid red;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="main">main</div>
<div id="moveMeIntoMain" class="moveMeIntoMain">move me to main</div>
<button id="appendTo">append...
Does Java read integers in little endian or big endian?
...no way this could influence anything in Java, since there's no (direct non-API) way to map some bytes directly into an int in Java.
Every API that does this or something similar defines the behaviour pretty precisely, so you should look up the documentation of that API.
...
What is the difference between a framework and a library?
...ware project. Various parts
of the framework may be exposed
through an API..
So I'd say a library is just that, "a library". It is a collection of objects/functions/methods (depending on your language) and your application "links" against it and thus can use the objects/functions/methods. It i...
How do you close/hide the Android soft keyboard using Java?
...so many answers, each different, for the same simple question is that this API, like many others in Android, is horribly designed. I can think of no polite way to state it.
I want to hide the keyboard. I expect to provide Android with the following statement: Keyboard.hide(). The end. Thank you ver...
HTTP GET request in JavaScript?
...e X from AJAX ~ Asynchronous JavaScript and XML. Also, good point re the "API that has and ECMAScript binding" is due to the fact that JavaScript can be in many things, other than browsers supporting HTTP (e.g. like Adobe Reader ...) Good thing to remember so hats-off to PointedEars.
...
Creating a BLOB from a Base64 string in JavaScript
...al method without any dependencies or libraries.
It requires the new fetch API. (Can I use it?)
var url = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg=="
fetch(url)
.then(res => res.blob())
.then(con...