Stack Overflow
Stack Overflow

Questions tagged [qualifiers]

A qualifier adds an extra "quality", such as specifying volatility or constness of a variable

They're similar to adjectives: "a fickle man", "a volatile int", "an incorruptible lady", "a const double". With or without a qualifier, the variable itself still occupies the same amount of memory, and each bit has the same interpretation or contribution to the state/value. Qualifiers just specify something about how it may be accessed or where it is stored

Credits goes to Tony_D @ What is the meaning of "qualifier"?

211 questions
0
votes
4 answers

I'm trying to autowire my beans using @qualifier, but even after adding the qualifier I'm getting a "required single bean" exception

BubbleSort.java This class implements SortAlgorithm interface package com.prakash.Spring.Example; import org.springframework.stereotype.Component; @Component @Qualifier("bubbleSort") public class BubbleSort implements SortAlgorithm { public…
prakash reddy
  • 29
  • 6
0
votes
3 answers

How to exclude the records Using Qualify statement in Teradata

I have to create population for the people who has only one product association (ABC) using qualify statement. For example I have the data Id Code Prod Date 101 202 ABC 2017-05-31 101 203 DEF 2017-04-30 102 302 ABC 2018-06-30 From…
ckp
  • 579
  • 2
  • 10
  • 27
0
votes
0 answers

Pure/const functions in C

Say you have a basic variable set/get via functions in C: static int MyVar=0; void SetMyVar(int Var) { MyVar=Var; } int GetMyVar(void) { return MyVar; } Are there qualifiers you could/should be using on GetMyVar, such as pure or const ? I haven't…
dargaud
  • 2,431
  • 2
  • 26
  • 39
0
votes
1 answer

can not make sens of this type `void(C::* volatile)(int) const ` used in an example in C++ reference manual

In the C++17 standard draft document, in subsection (6.7.3) "CV-qualifiers" [basic.type.qualifier]: paragraph 6, there is this sentence: For a class type C, the type corresponding to the type-id void(C::* volatile)(int) const has the top-level…
walid TALABOULMA
  • 18
  • 1
0
votes
3 answers

Why does 'const' behave differently in these two cases?

I have a question about just why a certain thing can be compiled when done "in one step" but can't when done "in two steps". I have three classes; class Time { int mTime; int Time::getTimeAsUnix() const {return mTime;} } class Travel { Time…
Anju Maaka
  • 263
  • 1
  • 10
0
votes
1 answer

No definition found for qualifier: How to solve Kotlin reflection is not available when creating modules with Koin test?

I'm trying to create a simple white-box test with Koin. After setting qualifier to pass a mock as parameter to an instance (or supposedly what I want to do) I'm receiving an error which says: org.koin.core.error.NoBeanDefFoundException: No…
Victor Oliveira
  • 3,293
  • 7
  • 47
  • 77
0
votes
1 answer

Spring: Qualifying different types with the same name

I have two classes that I want to autowire using spring @Component public class Restaurant { @Autowired @Qualifier("HighClass") private CoffeeMaker coffeeMaker; } and: public class CappuccinoMaker implements CoffeeMaker{ @Autowired …
Shaharg
  • 971
  • 1
  • 11
  • 26
0
votes
3 answers

How to use qualifier to decide the fields of a class?

I have created to Hazelcast map config in one instance. I have a bean method inside config which sends separate maps in 2 different methods. Class CacheService has a field which will be injected by any one of those methods. I am trying to use…
Codex
  • 1,153
  • 1
  • 20
  • 31
0
votes
0 answers

@Qualifier not taking into account different persistence units - EntityManager Produces

Im setting new database connection with Sql Server using EntityManager(already got EM for mySql database). But during start up app does not distinguish EntityManagers due to some problem with my qualifiers. Can someone tell how to make my EM's…
Antyfan
  • 35
  • 2
  • 5
0
votes
1 answer

Creating variable out of conditional values in another one

I have quite a large conflict dataset (71 million observations) with many variables and date (daily). This is from the GDELT project for which the way the dataset is structured is that for each day, there is a target country and a source country of…
J.Fus
  • 15
  • 4
0
votes
1 answer

Android not picking up the landscape layout after the device orientaion change

I have created an app which have a help screen(designed in a separate layout file) open by the 3-dots icon. When I open it portrait mode by pressing 3-dots menu icon the android selects the portrait layout file but when I changes the device's…
Vijay Tiwari
  • 15
  • 5
0
votes
1 answer

Which resource qualifier to use for the android layout screen?

I am a beginner in android and is going to finish my first app, but encountering a problem that my screen layout does not fits all screen sizes,currently I have created different layouts for different screen sizes using 'size' resource qualifier.…
Vijay Tiwari
  • 15
  • 5
0
votes
1 answer

Precedence in choosing conversion functions for assign initialization

Consider the following code snippet: class A; class B { public: B(){} B(A&) // conversion constructor that takes cv-unqualified A { cout << "called B's conversion constructor" << endl; }…
Johnson Steward
  • 534
  • 3
  • 16
0
votes
2 answers

Discards qualifiers unknown cause (std::bind() / lambda)

I don't understand where/why the qualifiers gets discarded. #include #include class A { public: void f() {}; }; template void invoker(Callable c) { auto l = [=]() { c(); //…
hudac
  • 2,584
  • 6
  • 34
  • 57
0
votes
1 answer

Using Smallest width in Android for layout design

I am developing an App and want my UI to fit as much screens as possible. I have read the Android docs about designing for different screens. Though I have a question which is: There are some phones which are 5.0 inches and some 5.5 inches, please…
Lemuel Ogbunude
  • 184
  • 3
  • 16
1 2 3
…
14 15