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Does delete on a pointer to a subclass call the base class destructor?
I have an class A which uses a heap memory allocation for one of its fields. Class A is instantiated and stored as a pointer field in another class ( class B .
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Check if a String contains numbers Java
I'm writing a program where the user enters a String in the following format:
14 Answers
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Git stash: “Cannot apply to a dirty working tree, please stage your changes”
I am trying to apply changes I stashed earlier with git stash pop and get the message:
11 Answers
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Code for a simple JavaScript countdown timer?
I want to use a simple countdown timer starting at 30 seconds from when the function is run and ending at 0. No milliseconds. How can it be coded?
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C++ Const Usage Explanation
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Read this: https://isocpp.org/wiki/faq/const-correctness
The final const means that the function Method3 does not modify the non mutable members of its class.
const int* const means a constant pointer to a constant int: i.e. a pointer...
How do I find the length of an array?
...<< (sizeof(a)/sizeof(*a)) << std::endl;
This doesn't work on pointers (i.e. it won't work for either of the following):
int *p = new int[7];
std::cout << "Length of array = " << (sizeof(p)/sizeof(*p)) << std::endl;
or:
void func(int *p)
{
std::cout << "L...
how to reference a YAML “setting” from elsewhere in the same YAML file?
...'ve create a library, available on Packagist, that performs this function:
https://packagist.org/packages/grasmash/yaml-expander
Example YAML file:
type: book
book:
title: Dune
author: Frank Herbert
copyright: ${book.author} 1965
protaganist: ${characters.0.name}
media:
- hardcover
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Difference between two lists
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Using Except is exactly the right way to go. If your type overrides Equals and GetHashCode, or you're only interested in reference type equality (i.e. two references are only "equal" if they refer to the exact same object), you can jus...
best way to get the key of a key/value javascript object
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If you want to get all keys, ECMAScript 5 introduced Object.keys. This is only supported by newer browsers but the MDC documentation provides an alternative implementation (which also uses for...in btw):
if(!Object.keys) Object.keys = function(o){
if (o !=...
LINQ: Distinct values
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