initialization Questions
2
Solved
In the following example that uses JDBC (this question though is not specific to JDBC):
Connection conn = null;
try
{
..... Do the normal JDBC thing here ....
}
catch(SQLException se)
{
if(conn...
Grizel asked 10/11, 2014 at 21:58
2
Solved
The FastAPI application I started working on, uses several services, which I want to initialize only once, when the application starts and then use the methods of this object in different places.
I...
Homologate asked 23/5, 2021 at 20:16
2
In Java we can initialize an array using following code:
data[10] = {10,20,30,40,50,60,71,80,90,91};
How can we do this in Pascal?
Sherrard asked 10/11, 2015 at 5:28
5
Solved
I know that in C# you can nowadays do:
var a = new MyObject
{
Property1 = 1,
Property2 = 2
};
Is there something like that in PHP too? Or should I just do it through a constructor or through m...
Largish asked 1/10, 2010 at 9:26
3
Solved
I have a class member that looks like this
class Controller {
protected:
// other stuff
std::vector<Task<event_t, stackDepth>> taskHandlers;
//some more stuf
}
The Task class is ...
Fluviatile asked 6/7, 2020 at 7:49
6
Solved
I want to initialize a two-dimensional array of variable size to zero.
I know it can be done for a fixed-sized array:
int myarray[10][10] = {0};
but it is not working if I do this:
int i = 10;
...
Propraetor asked 15/9, 2010 at 14:41
4
Solved
In trying to serialize an array of float3 objects with the basic JSONEncoder, it's revealed that float3 does not conform to the Codable protocol, so this cannot be done.
I tried to write a basic e...
Folberth asked 29/1, 2018 at 1:45
8
Solved
I'm kinda waiting for a 'no' answer on this question.
I was interested if you can save a variable at the same time when you checking it in an if-clause.
Let's say I have this code.
if(foo!=null...
Futurism asked 19/2, 2009 at 7:47
8
Solved
Consider this example. Let's say I have this object which is ubiquitous throughout my codebase:
type Person struct {
Name string
Age int
[some other fields]
}
Somewhere deep in the codebase, ...
Pertain asked 5/2, 2019 at 18:15
5
Solved
I've checked myself, I wrote a program like this
int main() {
int i;
cout << i;
return 0;
}
I ran the program a few times and the result was same all the time, zero.
I've tried it in C an...
Frequentation asked 11/5, 2015 at 16:3
6
I have the java configuration for the Spring Data Elaticsearch(using Transport Client) and ESTemplate.
Here some except:
@Configuration
@EnableElasticsearchRepositories(basePackages = "subpack...
Vast asked 30/8, 2020 at 14:15
4
Solved
If we execute such two lines in any function, we will get an error, and this is logical because the variable b is defined after the initialization a=b:
int a=b;
int b=0;
But when we insert these t...
Thereinto asked 8/6, 2023 at 7:41
9
Solved
Is there any way to do this in a condensed form?
GLfloat coordinates[8];
...
coordinates[0] = 1.0f;
coordinates[1] = 0.0f;
coordinates[2] = 1.0f;
coordinates[3] = 1.0f;
coordinates[4] = 0.0f;
coor...
Lima asked 20/8, 2010 at 22:55
1
Solved
protocol EmptyInitializable {
init()
}
@propertyWrapper
struct PropertyWrapper: EmptyInitializable {
let wrappedValue: Int
init(_ wrappedValue: Int = 0) {
self.wrappedValue = wrappedValue
}...
Igneous asked 24/4 at 5:31
18
Solved
.NET offers a generic list container whose performance is almost identical (see Performance of Arrays vs. Lists question). However they are quite different in initialization.
Arrays are very easy...
Tessie asked 21/1, 2009 at 20:54
25
Solved
I need to create a Set with initial values.
Set<String> h = new HashSet<String>();
h.add("a");
h.add("b");
Is there a way to do this in one line of code? For instance, it's useful fo...
Laevorotatory asked 11/1, 2010 at 12:31
8
Solved
I've heard about this happening in non thread-safe code due to improperly constructed objects but I really don't have the concept down, even after reading about in in Goetz's book. I'd like to soli...
Nonmoral asked 19/10, 2009 at 12:30
1
Solved
Can I declare a C pointer with an intialization to its own address?
void* p = &p;
I am specifically concerned with if this is strictly standard compliant in C23 (as the draft currently stands)....
Coelostat asked 6/4 at 4:34
4
Solved
In C# it's possible to write:
MyClass obj = new MyClass()
{
field1 = "hello",
field2 = "world",
field3 = new MyOtherClass()
{
etc....
}
}
I can see that array initialization can be done in...
Infix asked 12/7, 2011 at 17:8
2
Solved
I am new to using armadillo, and could not get the following in spite of trying / searching quite a bit.
There are two huge (dynamic) arrays (not vectors) that I need to perform correlation on. I ...
Pinhead asked 14/10, 2013 at 22:10
5
Solved
If I have a method like this:
public void DoSomething(int Count, string[] Lines)
{
//Do stuff here...
}
Why can't I call it like this?
DoSomething(10, {"One", "Two", "Three"});
What would be...
Uniformed asked 13/9, 2009 at 0:2
13
Solved
#include <iostream>
using namespace std;
class T1
{
const int t = 100;
public:
T1()
{
cout << "T1 constructor: " << t << endl;
}
};
When I am trying to i...
Pigweed asked 24/1, 2013 at 6:53
14
(Note: This question is about not having to specify the number of elements and still allow nested types to be directly initialized.)
This question discusses the uses left for a C array like int arr...
Shaving asked 24/5, 2011 at 17:0
4
Solved
How do you initialize a boolean array in the Eigen library (C++) to a specific truth value? There are initializers for numeric matrices but I can't find an example for a boolean array (Eigen::Array...
Arcadia asked 13/11, 2014 at 4:57
4
Solved
I have built a working C library, that uses constants, in header files defined as
typedef struct Y {
union {
struct bit_field bits;
uint8_t raw[4];
} X;
} CardInfo;
static const CardInfo Y_CO...
Tab asked 19/7, 2012 at 7:16
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