MetaObject | Simple dynamic method invocation for your .NET objects | Mock library
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kandi X-RAY | MetaObject Summary
Simple dynamic method invocation for your .NET objects
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QUESTION
I'm trying to build a class in C++ using the QT framework that can inherit from QWidget.
I am attempting to do this by building an AbstractContent
class in a header file that implements QWidget
. Then, HorizContent
inherits from AbstractContent
.
The objective is to have multiple types of "content" all inherit from AbstractContent
so that another class can "hot swap" the type of content it is displaying by simply redefining a single variable.
I am getting Linker errors with the code in it's current state. The code seems to compile just fine - the build fails when it gets to step: [build] [46/46 100% :: 137.186] Linking CXX executable spotify-qt
ANSWER
Answered 2022-Feb-28 at 19:52Posting the answer (thanks to @aschepler for the answer) here to officially close out the question.
The answer was that the build process wasn't bringing the header file in. So I had to add the line:
QUESTION
template void IOcalibrationWindow::setChildIntoIOcalibrationObject(int i, QString firstChildName, QString lastChildName, QString firstIocalibrationMethodName, QString lastIOcalibrationMethodName){
/* Get the index as string */
QString index = QString::number(i);
/* Create the UI field name */
QString childName = firstChildName + index + lastChildName;
/* Create the object name */
const char *IOcalibrationMethodName = (firstIocalibrationMethodName + index + lastIOcalibrationMethodName).toLatin1().data();
/* Get UI child */
T *uIchild = findChild(childName);
/* Get calibration object */
const QMetaObject *IOcalibrationMetaObject = iOcalibration.metaObject();
/* Insert into object */
if(std::strcmp(T::staticMetaObject.className(), "QDoubleSpinBox") != 0)
IOcalibrationMetaObject->invokeMethod(&iOcalibration, IOcalibrationMethodName, Qt::DirectConnection, Q_ARG(double, uIchild->value()));
else if(std::strcmp(T::staticMetaObject.className(), "QLineEdit") != 0)
IOcalibrationMetaObject->invokeMethod(&iOcalibration, IOcalibrationMethodName, Qt::DirectConnection, Q_ARG(QString, uIchild->text()));
}
...ANSWER
Answered 2022-Feb-02 at 11:04I'm not entirely sure what you're trying to do but, from the code that's given, why can't you simply split out the uIchild->*
calls into a couple of functions overloads? That would result in something like (untested)...
QUESTION
I'm trying to implement dagger-hilt in my new project but I see some differences in the new Android studio version (Bumblebee 2021.1.1):
...ANSWER
Answered 2022-Jan-30 at 00:34Resolved by adding the depencies{} block into the buildScript block :
QUESTION
I have developed a QML based video player program using MediaPlayer element. The program has most of basic functionality of a video player(play,pause,vol up/down,forward,bakcward etc.). My next task is add subtitle to a video and I need to use metaObject method of MediaPlayer element but QML side does allow that funtionality, it says:
...ANSWER
Answered 2022-Jan-19 at 22:12This will depend on how exactly you launch the QML application. Suppose it is set up like this:
QUESTION
I am currently running gradle version 5.6.4. When trying to upgrade our gretty dependency from 3.0.1 to 3.0.5 or 3.0.7, I am running into this error with no other information:
...ANSWER
Answered 2022-Jan-13 at 18:07tl;dr Upgrade your gradle version to 6.9.2
Turns out that there is an undocumented breaking change between gretty versions 3.0.1 to 3.0.5 that the minimum gradle version required in your application is gradle 6.x.
I originally tried upgrading to gradle version 6.0.1 which had the same error, then I jumped straight to the latest 6.x version (6.9.2) and that now works.
QUESTION
I am getting the following error running React Native bundle release in the Android folder. I have tried updating Expo as well as installing an older version of it instead and I'm still getting the same error. Not sure what to try next?
...ANSWER
Answered 2022-Jan-04 at 05:28Just as we discussed in the comment section, I was able to resolve the issue by removing the react-native-reanimated package, as I was not using it. For the error you got after that, downgrading expo worked for me.
QUESTION
I saw already a lot of threads about this and still none of them could help me out. You will already see a lot of suggested solutions build in my code. Of course, I tried them individually, but I wanted to show them all together to let you know what I tried in one file.
Problem: I'm simply trying to include gson in my app.
...ANSWER
Answered 2022-Jan-11 at 22:40Basically you have two different gradle file in your android project. 1- Project gradle (root) 2- App gradle (child)
You can add any depenedencies in your app gradle file. So remove that line from project gradle and add into your app gradle inside dependencies.
QUESTION
I am having a hard time including a local library as a dependency of my android app using gradle.
The main reason is due to the fact that this library is an independent library outside of the project where my android app is.
From what I understood, this could be done using composite builds. So I was trying to use it.
I created a very small repo to illustrate my problem: https://github.com/ampeixoto/composite-build-example
Basically I want to add :my-external-lib
as a dependency of :app
module
So I added includeBuild '../my-external-lib'
into the my-composite-app\settings.gradle
.
So far, if I sync gradle, I can now see the my-external-lib
in the project structure.
But when I try to add the dependency to the app\build.gradle
:
ANSWER
Answered 2022-Jan-06 at 11:35Ok, found the problem. Need to add a group 'com.example'
on the my-external-lib\build.gradle
and then I can add the dependency like using:
QUESTION
I am trying to get the Field no from NAV using the approach i found on: https://redthree.com/nav-object-field-and-option-numbers-in-the-sql-server-database/?utm_source=rss&utm_medium=rss&utm_campaign=nav-object-field-and-option-numbers-in-the-sql-server-database
And it works great! until i have to get the data back to MSSQL database I get the following exception on the last to lines:
(pyodbc.ProgrammingError) ('42000', "[42000] [Microsoft][ODBC Driver 17 for SQL Server][SQL Server]CREATE TABLE permission denied in database 'master'. (262) (SQLExecDirectW)")
The weird thing is that i am not trying to connect to the master
database, but a database where i am db.owner and i have permission to create tables...
i Am using Visual studio and Python 3.9
Below is the code i am tying to run
...ANSWER
Answered 2021-Nov-29 at 10:01i found the Solution I was using the driver "ODBC Driver 17 for SQL Server" when i should be using the SQL "Server Native Client 11.0" I worked in my case :)
QUESTION
I'm working on a springboot app in which mybatis is calling a DB2 stored procedure and this stored procedure is returning 2 result sets: and for each result set I defined a model(Fruit.java and Animal.java)
result set #1
ID NAME QTY 1 Apple 2 2 Orange 3 3 banana 5result set #2
TYPE NUM LOC monkey 2000 London dog 3000 New York cat 8000 LAin MyMapper.java, what should my resultType be?
I have tried:
...ANSWER
Answered 2021-Sep-12 at 03:15I tested this with the following procedure.
It takes two IN parameters and returns the results for fruit
first, then animal
.
Let me know if you need me to make some adjustments.
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