initialization Questions
8
Solved
Is it possible to create an object from a dictionary in python in such a way that each key is an attribute of that object?
Something like this:
d = { 'name': 'Oscar', 'lastName': 'Reyes', 'age':...
Fourthclass asked 17/3, 2010 at 21:54
18
Solved
What is the best way to initialize a private, static data member in C++? I tried this in my header file, but it gives me weird linker errors:
class foo
{
private:
static int i;
};
int foo::i = ...
Trigg asked 9/10, 2008 at 3:34
1
Solved
I have been trying to understand how static variables are initialized. And noted a contradiction about the order of constant initialization and zero initialization at cppref and enseignement.
At cp...
Unproductive asked 21/9, 2021 at 6:40
5
Solved
I am making some revisions from the lecture slides and it says a constructor is executed in the following way:
If the constructor starts with this, recursively execute the indicated constructor, ...
Hypothesize asked 1/6, 2010 at 10:13
2
Solved
I have an app built with Jersey.I need to do some initialization on startup of the webapp/war in the Tomcat 7 container by running an application specific login/code.
What is the best way to do th...
Barrada asked 15/9, 2011 at 0:8
8
Solved
So I'm declaring and initializing an int array:
static final int UN = 0;
int[] arr = new int[size];
for (int i = 0; i < size; i++) {
arr[i] = UN;
}
Say I do this instead...
int[] arr = new...
Scalage asked 6/8, 2010 at 18:58
4
Solved
I'm looking for a possibly non-verbose portable way to initialize a hash table in Common Lisp. E.g. something that works for constant hash tables, but also to pre-load variable hashes. In CLISP I a...
Obscene asked 22/5, 2012 at 16:19
14
I had a MyViewController.swift and a MyViewController.xib presenting the layout of MyViewController.
I tried different methods to load this view controller including:
//1
let myVC = UINib(nibName...
Asymptotic asked 5/5, 2016 at 9:5
6
Solved
With my code I get 3 messages all saying object initialization can be simplified and in my ever growing thirst for knowledge (and my OCD) I would like to "fix" my code so that these messages dont a...
Gauffer asked 25/4, 2017 at 9:1
2
For example, is the following function legal:
struct two_int {
const int a, b;
}
void copy_two(const two_int *src, two_int *dest) {
memcpy(dest, src, sizeof(two_int));
}
It seems like at leas...
Irruption asked 11/2, 2017 at 21:0
0
I am trying to run a function on initiation in SwiftUI, but it doesn't seem to be working.
import SwiftUI
@main
struct ExampleApp: App {
init() {
print("app initiated")
}
var body: s...
Capelin asked 9/8, 2021 at 18:2
7
Solved
in C++ I want to initialize a double matrix (2-dimensional double array) like I would normally do without pointers like so:
double data[4][4] = {
1,0,0,0,
0,1,0,0,
0,0,1,0,
0,0,0,1
};
Howev...
Oncoming asked 24/8, 2010 at 7:14
0
Just an instructive interview question: "What does this C++14 program print?"
#include <iostream>
struct A { int i; };
struct B {
A a{1};
operator int() { return a.i; }
};
int...
Beata asked 7/8, 2021 at 5:49
3
Solved
I have the following City class. Each city object contains a dictionary which keys are language tags (let's say: "EN", "DE", "FR"...) and which values are the city names in the corresponding langua...
Content asked 12/6, 2012 at 14:39
6
Solved
I simply want to create an empty 10*3*2 array with Python.
I first thought of these one, but this is not working:
parameters = [ [ [] * 2 ]*3 ] * 10
this gives me a vector of ten vectors, with ...
Niblick asked 12/11, 2012 at 16:32
1
Solved
I have a simple code:
#include <atomic>
int main()
{
std::atomic<int> a = 0;
}
This code compiles fine with GCC 11.1.0 with -std=c++17, but fails with -std=c++14 and -std=c++11.
usi...
Tripoli asked 10/7, 2021 at 13:43
1
Solved
A friend of mine showed me a program in C++20:
#include <iostream>
struct A
{
A() {std::cout << "A()\n";}
~A() {std::cout << "~A()\n";}
};
struct B
{
cons...
Enchain asked 10/7, 2021 at 9:47
8
Solved
I have a class with minimum 4 variables and I have made a constructor for the class so that I can initialize it with
MyClass testobj = new MyClass(1234,56789,"test text", "something ...
Ringmaster asked 26/6, 2013 at 14:1
2
Solved
I am reading through the cppreference page on default initialization and I noticed a section that states something along these lines:
//UB
int x;
int y = x;
//Defined and ok
unsigned char c;
uns...
Lindie asked 2/7, 2021 at 4:14
3
When I define an Array in Julia:
z = Array(Float64, 1)
it appears a random value is assigned. Sometimes it is 0.0, but mostly it is something like 3.78692e-316.
Is this behaviour intended?
And...
Heterolecithal asked 28/5, 2014 at 6:8
1
Solved
I know that in C++ the declaration of members in the class header defines the initialization order. Can you tell me why C++ choose this design? Are there any benefits to force the initialize order ...
Haihaida asked 30/6, 2021 at 5:21
9
Solved
As the title says, what exactly is the difference between
public static String myString = "Hello World!";
and
public static String myString;
static {
myString = "Hello World";
}
is there an...
Timelag asked 18/3, 2013 at 19:51
2
TLDR;
To run an initialization function for each process that is spawned by celery, you can use the worker_process_init signal. As you can read in the docs, handlers for that signal should not be ...
Instate asked 13/6, 2014 at 10:6
3
Solved
I have the following struct in my C++ code (I am using Visual Studio 2010):
struct mydata
{
string scientist;
double value;
};
What I would like to do is to be able to initialize them in a qui...
Malposition asked 16/12, 2011 at 13:0
8
Solved
I am fairly new to VBA, so this may be a simple question but here goes.
I would like to initialize an entire array myArray, say of integers, in VBA. I know that I can do this by a simple initializ...
Latrice asked 12/10, 2013 at 17:15
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