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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"?

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Index : 0 Size : 0 Error In Large Layout Screens[Android]

I have a layout that throws this error during layout previews : Index 0 Size 0 ONLY in very large screen sizes. Also another error that I see is Broken rendering library , unsupported library. try using the SDK manager to get updated layout…
pblead26
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I do not understand why the qualifier static applied to x here?

In case of declaration; const int *p; specifier const is applied to int i.e, the object p points to. while regarding the statement(JUNE 1998, EMBEDDED SYSTEMS PROGRAMMING); Some declaration specifiers do not contribute to the type of the…
haccks
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What's wrong in these 5 myriad ways of declaring/initializing constant-qualified pointers?(Taken from a dubious but popular book)

My bad!!I had assumed that the following excerpt from a notorious yet wildly popular book is totally valid C.But only today I was pointed out that it's ridden with UB (though I am yet to find how come it's so).Hence here's that particular section…
Rüppell's Vulture
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Import comma delimted with comma space qualifier

How can I import a comma delimited text file with the following example record: abc, def and ghi,jkl such that I get the output as column1: abc, def and ghi column2: jkl There is no text qualifier surrounding (abc, def and ghi), and if the comma…
user2302300
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How to share global memory within multiple kernels and multiple GPUs?

----------------a.c--------------------- variable *XX; func1(){ for(...){ for(i = 0; i < 4; i++) cutStartThread(func2,args) } } ---------------b.cu------------------- func2(args){ cudaSetDevice(i); xx = cudaMalloc(); …
Jacky Lau
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Repeated inheritance. Ambiguous

Lets suppose situation. struct Top { int x; }; struct Left : public Top {}; struct Right : public Top {}; struct Bottom : public Left, public Right { void foo() { Left::x; // Normal compiled } void goo() { Left::Top::x; //…
Vahagn Babajanyan
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Can't use @Qualifier along with @Inject and autowire="byType"

I have the bean config: and public class PostLoginUpdater implements PostLoginStatePersonalizer { //@Qualifier("CustomerManager") @Inject …
GarfieldKlon
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Android, How to set qualifiers in order to support 4.7" devices?

I have designed different UIs based on different qualifiers like drawable-hdpi and drawable-mdpi. As you can see in following image when I'm testing on 4.3" size mobile sets like SG2, UI is match with screen. However, when I test on 4.7" deices like…
Hesam
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Why does unsigned 3-bit bitfield wrap around -7 to 1

#include struct test{ unsigned int a:3; }; int main (int argc, char *argv[]) { struct test b; b.a = -7; // implicit truncation to 1 return 0; } -7 is a four bit number represented as 1111. Now my bitfield takes only 3 bits and…
Narayan
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How do I use Qualifiers in Spring boot

This is my project structure MODEL TodoItem.java - this is an interface TodoType1 - this implements the interface TodoType2 - this implements the interface Repo TodoRepo.java - extends JPA repo with Controller (uses the…
S VAIBHAVE
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Autowire constructor is called twice even using Qualifier in spring

I am trying to learn autowire with Qualifier in spring and the autowired class constructor is called twice . I have the following class: MainApp: public class MainApp { public static void main(String[] args) { // ApplicationContext…
Programmer
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Compile error: Invalid qualifier

I am trying to get my program to run through 2 workbooks and 3 worksheets. to validate some numbers for me. Sub Validate_Old_Data() Dim DBLbrow As Double Dim DBLAbrow As Double Dim DBLBbrow As Double Dim STRname As String Dim INTcc As Integer Dim…
Ori Meir
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How to determinate the build of app (x86 or x64) without using SDK/libs etc

I want to determinate the build of the program. It can be running or not. Also I EXACLTY want to determinate such thing in my code without using any SDK or some-ready stuff from .net fw etc... How to do it? Question isn't about the exact language.…
Secret
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Why use "const *" before declaring a function argument in C?

what I mean by this question is why is "const" used before argument1 and argument2, couldnt it be just the argument declaration without const? what does const do to the argument? static bool example(const char * argument1, const char *…
User__1
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Error Passing `const` as `this` argument of `const double` discards qualifiers

I have to work within some libraries and no matter what i do i keep getting the following error with this code. passing `const amko::problem::launch' as 'this'argument of 'const double amko::problem::launch::ratio(double, double)' discards…
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