Kotlin/Native cinterop: compilerOpts inside .def file vs compilerOpts inside gradle

In documentation of cinterop for Kotlin/Native, you have to define a .def file such as: language = Objective-C modules = FirebaseCore compilerOpts = -framework FirebaseCore linkerOpts = -framework FirebaseCore Now you could also specify a compilerOpts within the cinterop block such as: compilations[“main”].cinterops { firebasecore { packageName ‘cocoapods.FirebaseCore’ defFile = file(“$projectDir/src/iosMain/c_interop/FirebaseCore.def”) includeDirs (“$projectDir/../iosApp/Pods/FirebaseCore/Firebase/Core/Public”) compilerOpts (“-F$projectDir/src/iosMain/c_interop/modules/FirebaseCore-${versions.firebaseCoreIos}”)…

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Deployment Failed | hit a require or revert statement somewhere in its constructor

I create a custom ERC20Token and a contract to store data sent from web3.Js. after storing data in mapping I would like to call ERC20Token contracts functionality inside this contract. code of contract to store data in mapping. import ‘./EMPToken.sol’; contract socialposts { //address payable public owner; EMPToken token; address _empTokenAdr = 0xd3591733C103EaCfBE7e0c2b4C037764dA836FDe; constructor() public…

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Is it possible to circumvent a require statement if the ordering of the requirements are incorrect?

Please take the following hypothetical code as an example mapping (address => uint256) public accountBalance; function deposit(uint256 amount) public { accountBalance[msg.sender] = accountBalance[msg.sender].add(amount); require(daiToken.transferFrom(msg.sender, address(this), amount)); } I have been informed that this code would be vulnerable to a re-entrancy attack and should instead be written as follows: mapping (address => uint256) public accountBalance; function…

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Can’t install anything after unsuccessful upgrade from ubuntu 16 to 18

I upgraded from ubuntu 16 to 18. After restarting the Window Manager didn’t load, I mean I can’t see the window panel and all windows titles. To fix it I tryed: sudo apt install lightdma but got: Reading package lists… Done Building dependency tree Reading state information… Done lightdm is already the newest version (1.26.0-0ubuntu1).…

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