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PHP 2021-11-03 22:37:18
php convert string to boolean
/** filter_var - Filters a variable with a specific filter **/ $boolvar = filter_var('true', FILTER_VALIDATE_BOOLEAN); /** boolval - Get the boolean value of a variable PHP 5 >= */ $boolvar = boolval ('true'); // And literally with a ternary operator b... Add solution -
Javascript 2021-10-22 04:41:08
! before variable javascript
// ! before a boolean variable will reverse the value: var test = true; console.log(test); // True console.log(!test); // False // In JavaScript, every value has an inherent boolean value. // If you use ! on a string, for instance, it will convert the va... Add solution -
Other 2021-10-21 16:31:15
velocity add item to array
#* * The function add() returns a boolean value (whether the add was * successfull or not). Therefore, passing the boolean value to an * unused variable prevents the value from being printed to the screen. *# #set($list = $array.add($item)) Add solution -
Swift 2021-10-21 13:28:06
how to decode optional bool swift
struct Product : Decodable { // Properties in Swift are camelCased. You can provide the key separately from the property. var manageStock: Bool? private enum CodingKeys : String, CodingKey { case manageStock = "manage_stock"... Add solution -
Kotlin 2021-10-18 20:23:06
how to set onClickListener to RecyclerView kotlin
/* How to set up a click listener on RecyclerView in conjunction with an adapter and a click listener on items NOT only *RecyclerView itemClickListener* *RecyclerView onClickListener* and *RecyclerView itemClickListener* together often such a solution is... Add solution -
Python 2021-10-17 19:31:04
python all any example
The any() function takes an iterable (list, string, dictionary etc.) in Python. The any() function returns the boolean value: True if at least one element of an iterable is true False if all elements are false or if an iterable is empty Example: some_l... Add solution -
Javascript 2021-10-14 20:24:07
change icon on click angular
import { Component } from '@angular/core' export interface CollapsibleItem { label: string; text: string; state: boolean; } @Component({ selector:'whateveryouwant', template: ` <ul class="collapsible" data-collapsible="a... Add solution -
PHP 2021-10-10 04:44:08
cast to boolean php
/** filter_var - Filters a variable with a specific filter **/ $boolvar = filter_var('true', FILTER_VALIDATE_BOOLEAN); /** boolval - Get the boolean value of a variable PHP 5 >= */ $boolvar = boolval ('true'); // And literally with a ternary operator b... Add solution -
Swift 2021-10-08 03:55:04
swift how to add a completion block to a function
Simple Swift 4.0 example: func method(arg: Bool, completion: (Bool) -> ()) { print("First line of code executed") // do stuff here to determine what you want to "send back". // we are just sending the Boolean value that... Add solution