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What is the point of “final class” in Java?
...idea of class having the characteristics of objects?
In some sense yes.
By marking a class as final you disable a powerful and flexible feature of the language for that part of the code. Some classes however, should not (and in certain cases can not) be designed to take subclassing into account i...
Does “untyped” also mean “dynamically typed” in the academic CS world?
...e syntactic method for proving the absence
of certain program behaviors by classifying phrases according to the
kinds of values they compute.
He also remarks:
The word “static” is sometimes added explicitly--we speak of a
“statically typed programming language,” for example--to ...
Setting Windows PowerShell environment variables
...
Changing the actual environment variables can be done by
using the env: namespace / drive information. For example, this
code will update the path environment variable:
$env:Path = "SomeRandomPath"; (replaces existing path)
$env:Path += ";SomeRandomPath" ...
Close iOS Keyboard by touching anywhere using Swift
....
//
// UIViewController+Extension.swift
// Project Name
//
// Created by ABC on 2/3/18.
// Copyright © 2018 ABC. All rights reserved.
//
import UIKit
extension UIViewController {
func hideKeyboardWhenTappedAround() {
let tapGesture = UITapGestureRecognizer(target: self,
...
DLL and LIB files - what and why?
...ding the library code into your program when it is compiled, it can be run by mapping it into your program as it is loaded into memory. Multiple programs running at the same time that use the same functions can all share one copy, saving memory. In fact, you can load dynamic libraries only as needed...
Is it possible to hide extension resources in the Chrome web inspector network tab?
...r a page in the Chrome web inspector, I also see the HTML/JS/CSS requested by certain extensions.
5 Answers
...
Where can I find “make” program for Mac OS X Lion?
...m the app store, you might notice the command line tools are not installed by default. Open Xcode, go to preferences, click to the "downloads" tab, and from there you can download and install command line tools.
share
...
keytool error :java.io.IoException:Incorrect AVA format
...same like your error. In my case, I used a + sign before the country code. By removing the + sign from this name fixed the problem and allowed me to fully export my signed .apk file.
Also, this error can occur when use comma,slash, semi-colon, quotation.
...
Looping over arrays, printing both index and value
...baz
Explained
printf "%s\n" "${!foo[@]}" will print all keys separated by a newline,
printf "%s\n" "${foo[@]}" will print all values separated by a newline,
paste <(cmd1) <(cmd2) will merge output of cmd1 and cmd2 line by line.
Tunning
This could be tunned by -d switch:
paste -d : <...
What does “to stub” mean in programming?
...le replacement for an Existing Dependency (or collaborator)
in the system. By using a stub, you can test your code without
dealing with the dependency directly.
External Dependency - Existing Dependency:
It is an object in your system that your code
under test interacts with and over which you have...