You signed in with another tab or window. Reload to refresh your session.You signed out in another tab or window. Reload to refresh your session.You switched accounts on another tab or window. Reload to refresh your session.Dismiss alert
A UIAlertController with a text field and the ability to perform validation on the text the user has entered while the alert is on screen. The OK button is only enabled when the entered text passes validation. More info: https://oleb.net/2018/uialertcontroller-textfield/
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
True and False vs. "Truthy" and "Falsey" (or "Falsy") in Ruby, Python, and JavaScript
true and false vs. "truthy" and "falsey" (or "falsy") in Ruby, Python, and JavaScript
Many programming languages, including Ruby, have native boolean (true and false) data types. In Ruby they're called true and false. In Python, for example, they're written as True and False. But oftentimes we want to use a non-boolean value (integers, strings, arrays, etc.) in a boolean context (if statement, &&, ||, etc.).
This outlines how this works in Ruby, with some basic examples from Python and JavaScript, too. The idea is much more general than any of these specific languages, though. It's really a question of how the people designing a programming language wants booleans and conditionals to work.
If you want to use or share this material, please see the license file, below.
Simple ruby script to check that Objective-C static libraries are built with the latest ObjC ABI
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
// I wanted an equivalent to Ruby's `tap` (http://ruby-doc.org/core-2.3.0/Object.html#method-i-tap) in Swift which I could mix into any type to tap into method chains.
// Define the interface we want to provide as a protocol
private protocol Tap {
func tap(block: (Self) -> Void) -> Self
}
// Extend the `Tap` protocol with a default implementation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
In this article we compared different behavior of static, inline and static inline free functions in compiled binary.
All the following test was done under g++ 7.1.1 on Linux amd64, ELF64.
Test sources
header.hpp
#pragma once
inlineintonly_inline() { return42; }
staticintonly_static() { return42; }