casting Questions
4
I'm trying to write a light observer class in Swift (currently Swift 2). The idea is to use it within an Entity Component system, as a means for the components to communicate with one-another witho...
Dealer asked 28/6, 2016 at 10:29
4
Solved
In laravel 5.1 there is new feature called Attribute Casting, well documented at here :
http://laravel.com/docs/5.1/eloquent-mutators#attribute-casting
My question is, it is possible to make attri...
4
In Typescript, suppose I want to call a function with following signature-
function foo(param: "TRUE"|"FALSE"|"NONE")
How can I do something like-
var str = runtimeString()
if(str === "TRUE" | ...
Sawn asked 22/7, 2016 at 11:10
8
Solved
I know it's possible to cast a list of items from one type to another (given that your object has a public static explicit operator method to do the casting) one at a time as follows:
List<Y>...
Swat asked 25/2, 2011 at 8:51
4
When I Tried to return an Array in VFP9 language COM/DLL to my .NET C# project
I receive a System.Object[*] array and I can not cast to System.Object[] (Without asterisk).
Twice asked 16/9, 2010 at 22:20
4
Solved
I would like to import the following csv as strings not as int64. Pandas read_csv automatically converts it to int64, but I need this column as string.
ID
00013007854817840016671868
000130078548178...
Slavonic asked 8/11, 2012 at 16:54
2
I have a table of items with the following columns:
start_time column (timestamp without time zone)
expiration_time_seconds column (integer)
For example, some values are:
SELECT start_time, ex...
10
In Java, I can write code like:
void cast(A a) {
if(a instanceof Person) {
Person p = (Person) a;
}
}
In Kotlin, what should I do?
Use as operator or is operator?
5
Solved
How do I convert an integer to string as part of a PostgreSQL query?
So, for example, I need:
SELECT * FROM table WHERE <some integer> = 'string of numbers'
where <some integer> can be...
Diarrhea asked 10/12, 2012 at 21:27
7
Solved
I want to accomplish the following
answer = True
myvar = "the answer is " + answer
and have myvar's value be "the answer is True". I'm pretty sure you can do this in Java.
Godsey asked 9/5, 2012 at 4:21
7
Solved
Can you explain me why does this happen and how can I fix it please?
So I'm using Oracle-ADF and I'm using shuttle components. I get the selected values using the sos1.getValue();
The getValue() me...
6
Solved
To simplify my real use case, let's suppose that I want to find the maximum number in a list:
var max : Int? = null
listOf(1, 2, 3).forEach {
if (max == null || it > max) {
max = it
}
}
Ho...
2
Solved
I'm trying to apply a function to a pandas dataframe, such a function required two np.array as input and it fit them using a well defined model.
The point is that I'm not able to apply this functi...
4
Solved
How can I cast an array initially declared as container for Any object to an array of Strings (or any other object)?
Example :
var array: [Any] = []
.
.
.
array = strings // strings is an array o...
3
Solved
#ifndef NUMBER_HPP
#define NUMBER_HPP
template <class T>
class Number
{
public:
Number( T value ) : m_value( value )
{
}
T value() const
{
return m_value;
}
void setValue( T value ...
20
Solved
How can I convert string to boolean?
$string = 'false';
$test_mode_mail = settype($string, 'boolean');
var_dump($test_mode_mail);
if($test_mode_mail) echo 'test mode is on.';
it returns,
b...
4
Solved
How would I cast a byte array to a primitive type in Rust?
let barry = [0, 0];
let shorty: u16 = barry;
I have already tried let shorty: u16 = barry as u16; but that didn't work due to a "non s...
4
Solved
Why do you need a C-style cast for the following?
int* ptr = static_cast<int*>(0xff); // error: invalid static_cast from type 'int'
// to type 'int*'
int* ptr = (int*) 0xff; // ok.
4
Solved
I'm trying to make a cast in my code from the body of a request in express (using body-parser middleware) to an interface, but it's not enforcing type safety.
This is my interface:
export interfa...
Showbread asked 10/5, 2017 at 13:54
4
Solved
it works on 32-bit platform.but not 64-bit
here is the exzample
TVerbInfo = packed record
Verb: Smallint;
Flags: Word;
end;
var
VerbInfo: TVerbInfo;
strList : TStringList;
verb : Smallint;...
18
A very easy one for someone,
The following insert is giving me the
ORA-01722: invalid number
why?
INSERT INTO CUSTOMER VALUES (1,'MALADY','Claire','27 Smith St Caulfield','0419 853 694');
IN...
Corfam asked 23/9, 2012 at 1:24
5
Solved
Let's say I have two different classes, both represent 2D coordinate data in the same internal way like the following:
class LibA_Vertex{
public:
// ... constructors and various methods, operato...
0
Consider the following C code:
#include <stdatomic.h>
struct _opaque;
typedef struct _opaque *opaque;
struct container { _Atomic opaque x; };
struct container get_container();
void consume_...
14
Solved
This is a silly question, but you can use this code to check if something is a particular type...
if (child is IContainer) { //....
Is there a more elegant way to check for the "NOT" instance?
...
6
Solved
In an interview, I was asked what do I think about the following code:
#include <stdio.h>
int main()
{
float f = 10.7;
int a;
a = f;
printf ("%d\n", a);
}
I answered:
The compiler w...
Gautier asked 26/1, 2016 at 7:14
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