All Questions
Tagged with lazy-initialization initialization
26 questions
2
votes
1
answer
51
views
Scala initialization order object vs. val
In the following program an object is reported as null, even though it is clearly initialized.
class MyClass()
class MyOtherClass(c: MyClass)
object Foo {
val myClass = new MyClass()
object ...
- 1,505
-2
votes
1
answer
334
views
Selenium WebDriver PageFactory Webelement initialization
I have more than 500 web-elements in a webpage. If I use Page Object Model with PageFactory.initElements() in selenium it will initialize all the elements once the object is created.
Lets says I am ...
- 1
0
votes
1
answer
1k
views
Best way to lazy initialize struct members?
I have this struct:
pub struct NonSteamGame {
app_id:String ,
app_name:String,
start_dir:String,
icon:String,
shortcut_path:String,
launch_options:String,
is_hidden:bool,
...
- 6,336
5
votes
3
answers
2k
views
Flutter: Late Initializing a "widget-dot" Class-level Variable in a Stateful Widget -- What's Going on?
Consider the following class level property inside the state class of a stateful widget:
int myInt = widget.int;
Android Studio informs that: "The instance member 'widget' can't be accessed in ...
- 7,556
0
votes
1
answer
410
views
LateInitializationError: Field 'avatar' has not been initialized flutter
Below is how my json looks like
{
"data": {
"id": 2,
"email": "[email protected]",
"first_name": "Valjakudze",
...
- 1,302
20
votes
1
answer
11k
views
What is the equivalent of late | lazy | lateinit in TypeScript?
Dart, Kotlin and Swift have a lazy initialization keyword that lets you avoid the usage of Optional type mainly for maintainability reason.
// Using null safety:
class Coffee {
late String ...
- 20.9k
3
votes
1
answer
2k
views
How can I initialize a companion object property with a value taken from application.properties?
Is it possible to initialize a property of a companion object with some value read from application.properties?
I tried
// @Value("\${my.property.value}") ...doesn't work
val myProp: ...
- 3,019
1
vote
1
answer
304
views
Scala proper way to initialize ones changed in runtime fields: placeholder/null, None or zero element?
I got class with fields which value at initialization is unknown. But after, in runtime that values is will gained and setted to fields just ones.
I want to decide what first initialization is best ...
- 337
0
votes
2
answers
678
views
Is delayed initialization good or bad? [closed]
I just found a class named HmeRevisionTracker that a colleague created. It merely contains a List<> of simple objects. CSimCharge, one of the most important classes in this project, contains an ...
- 2,351
0
votes
1
answer
702
views
org.hibernate.LazyInitializationException: could not initialize proxy - no Session when trying to initialize
I have an entity that's LAZY fetch called Player. I'm trying to manually have hibernate initialize it but I'm getting that error as if I'm trying to use the Player entity before it's initialized. Here'...
- 473
3
votes
1
answer
580
views
Is eager thread_local initialization possible in C++?
[basic.stc.thread] states that "A variable with thread storage duration shall be initialized before its first odr-use (6.2) and, if constructed, shall be destroyed on thread exit."
Does this preclude ...
- 3,525
2
votes
3
answers
2k
views
Is it possible to declare a val before assignment/initialization in Scala?
In general, can you declare a val in scala before assigning it a value? If not, why not? An example where this might be useful (in my case at least) is that I want to declare a val which will be ...
2
votes
2
answers
610
views
Lazy Initialization sounds and works great. Why not always default to using lazy initialization?
Seems like lazy initialization is great. I understand the concept and have tested on my code and I don't see any lags. Then the question is, why not always use lazy initialization? What's the drawback ...
- 1,886
0
votes
1
answer
441
views
Are function scope static or thread_local variables initialized in first entry in C++11?
In C++11 the initialization of function scope static/thread_local variables are guaranteed to be thread safe. Are they also guaranteed to be initialized on function entry?
- 7,844
0
votes
1
answer
865
views
Set lazy var from outside without initializing [closed]
I defined a class using a lazy var definition, where EXIFData is a struct:
struct EXIFData {
var a : String
var b : String
}
class xxx {
...
lazy var exif: EXIFData = {
...
...
- 875