How to copy a derived class with just a reference to the base class

I’m trying to store references to objects that inherit from a nested abstract base class inside a std::set in the outer class. Let me show you the code first since I think that’s much more clear: Class.h interface: #ifndef Class_H_ #define Class_H_ #include <set> #include <memory> class Class { public: class AbstractBase; private: std::set< std::shared_ptr<AbstractBase>>…

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Could not resolve parameter [0] in exception error

I want to throw exception in service layer: List<String> cellValuesOfTheRow = getColumnValuesForRow(row, false); logger.info(“currentRowNumber: {}, cellValuesOfTheRow: {}”, currentRowNumber, cellValuesOfTheRow); if (cellValuesOfTheRow.contains(null)) { throw new NullFieldValueException(currentRowNumber); } if that list contains null value, i want it to throw exception. I made a custom exception: public class NullFieldValueException extends RuntimeException { private static final long serialVersionUID =…

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How to style an element on focus using styled components?

Here is my styled component: const StyledInput = styled.input` width: 90%; padding: grey; border: 0px; font-size: 12px; &:input:focus { outline: none; box-shadow: 0px 0px 2px red; } `; And the implementation: <StyledInput autoFocus={true} type=”text” onChange={this.handleChange} placeholder={this.props.placeHolder} /> But the borders are not changing to red when focused (keep the default Chrome blue). How can I…

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Ionic 3 how to filter array nested in 2 *ngFor?

I would like to filter day.children name property based on search input. Having difficulties with that nested *ngFor because one relies on second. dayOverViewByGroup is comming from API. I tried to wrap day.children in a function like filterIt(day.children) but I got infinite loop. Thank you. I have following(simplified) html structure <ion-searchbar placeholder=”Suchen…” (ionInput)=”searchChildren($event)” padding></ion-searchbar> <ion-grid…

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Content security policy in React app didn’t block online script

I followed this article to add CSP to my existing react app. I did all the steps written in “Using inline script or style” there and here is my config-overrides.js file: const { override } = require(‘customize-cra’); const cspHtmlWebpackPlugin = require(‘csp-html-webpack-plugin’); const cspConfigPolicy = { ‘default-src’: “‘none'”, ‘base-uri’: “‘self'”, ‘object-src’: “‘none'”, ‘script-src’: [“‘self'”], ‘style-src’: [“‘self'”],…

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