Andrew Kingdom akingdom
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| //application/javascript | |
| // | |
| // A simple sequential calculator. | |
| // By Andrew Kingdom | |
| // MIT license | |
| // | |
| // Operator order/precedence is ignored. | |
| // The calculation string is expected to have numbers and operators separated by spaces. | |
| // | |
| function operate(x,oper,y) { |
akingdom
/ callback1.js
Last active
June 6, 2021 19:36
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| //application/javascript | |
| // | |
| // Demonstrates callback from a class method | |
| // By Andrew Kingdom | |
| // MIT license | |
| // Define a class | |
| let MyClass1 = class { | |
| constructor(initialValue) { | |
| this.prop = initialValue; // store the parameter value in a property |
akingdom
/ max_upload_size.php
Last active
March 25, 2022 14:25
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| // Returns the minimum download limit specified in the current php.ini file. | |
| // | |
| // By Andrew Kingdom | |
| // MIT license | |
| function max_upload_size() { | |
| $max_size = PHP_INT_MAX; | |
| $post_overhead = 2048; // Reserve 2k for non-file data in the POST. | |
| $tmp = shorthand_bytes(ini_get('upload_max_filesize')); |
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| // Means to provide an alias to a value | |
| // in a similar manner to Objective-C | |
| // since Swift does not permit duplicate raw values | |
| // | |
| // By Andrew Kingdom | |
| // MIT license | |
| enum SomeOption : Int | |
| { | |
| case First = 0 |
akingdom
/ upload.php
Last active
March 28, 2022 08:52
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| <?php | |
| // An example of receiving file(s) POSTed by an HTML web form (PHP language) | |
| // | |
| // Please add any necessary path and file handling, security, etc. that you require. | |
| // | |
| // By Andrew Kingdom | |
| // MIT license | |
| // | |
akingdom
/ js_instantiates_swift_class.swift
Last active
July 10, 2022 15:21
Example showing how to allow a Swift class to be instantiated via a 'new' in Javascript.
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| // Swift 5.0 + Javascript | |
| // How to use 'new <classtype>' in Javascript to instantiate a Swift object (from JavaScriptCore). | |
| // | |
| // I couldn't find this clearly documented in any one place. | |
| // | |
| // By Andrew Kingdom | |
| // MIT license | |
| // | |
| @objc | |
| public protocol SampleProtocol: JSExport { |
akingdom
/ PreviouslyLaunched.mm
Last active
July 10, 2022 15:31
Code to detect whether this is an initial app launch or subsequent.
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| // Objective C++ | |
| // Detects whether this is an initial or subsequent launch of this app. | |
| // | |
| // By Andrew Kingdom | |
| // MIT license | |
| // | |
| static BOOL _appDidLaunchPreviously; | |
| static BOOL _appDidLaunchPreviously_known; | |
| static NSString * kAppDidLaunchPreviously = @"priorLaunch"; | |
| static NSString * vAppDidLaunchPreviously = @"Y"; |
akingdom
/ android_FLAG_KEEP_SCREEN_ON.java
Created
October 21, 2022 01:25
How to programmatically control whether the screen may or may not turn off.
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| // Android Java | |
| // How to programmatically control whether the screen may or may not turn off. | |
| // | |
| // By Andrew Kingdom | |
| // MIT license | |
| // | |
| package com.example.sample; | |
| import android.os.Bundle; |
akingdom
/ FullyReplaceSegue.h
Last active
November 15, 2022 03:38
A custom iOS segue to fully replace the current UIViewController with a new UIViewController.
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| // Objective C | |
| // Display initial screen before final UIViewController loads (e.g. Login credentials) | |
| // | |
| // By Andrew Kingdom | |
| // MIT license | |
| // | |
| // Instructions: | |
| // | |
| // On the main storyboard, create your login screen as, say, a subclass of UIViewController. | |
| // Make sure it is the initial scene (check Is Initial View Controller). |
akingdom
/ build.gradle
Last active
January 17, 2023 14:25
Auto-increment the version number in an Android App
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| // Android build.gradle | |
| // How to auto-increment the version. | |
| // There are many ways to do this - this is only one example. Its downside is that it updates the gradle file (which will ask for a Sync when opened). | |
| // Note that the 10001 (rather than just 1) is ensure there are enough digits to prevent comparison/sorting issues. | |
| // | |
| // By Andrew Kingdom | |
| // MIT license | |
| // (and use at own risk) | |
| // |
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