“The source directory does not appear to contain CMakeLists.txt” when installing exiv2 in Ubuntu 18.04

I have downloaded the exiv2-0.27.2-Source.tar.gz. I have extracted it in the same directory i.e, home/dir/Downloads/ Now following the instructions from the github page Build, Install, Use Exiv2 on a UNIX-like system cd $EXIV_ROOT mkdir build && cd build cmake .. -DCMAKE_BUILD_TYPE=Release cmake –build . make tests sudo make install This is what’s happening when I’m…

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X-AIR Edit App not working – UbuntuStudio 19.10

Please help. I’m currently using UbuntuStudio 19.10. I’m using an app called X-AIR Edit from Behringer. This app is used to control XR18 digital mixer. It was working previously but as of recently the app’s buttons and settings are no longer working after launching. I downloaded the app from the official Behringer site https://downloads.music-group.com/software/behringer/XAIR/X-AIR-Edit_LINUX_X64_V1.5.tar.gz https://www.behringer.com/Categories/Behringer/Mixers/Digital/XR18/p/P0BI8/Downloads#googtrans(en|en)

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How can I approve and buy for another contract?

Im having this contract here https://ropsten.etherscan.io/address/0x813870feba76f27ec1afcf79432e065a4839f7ab#code This contract “TOKEN”(agi.sol) first needs to approve an transaction amount from a different contract(0x8eB24319393716668D768dCEC29356ae9CfFe285) before i can use the buy function within “SNET”(agi.sol) How can i make this contract work?

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Intelligent crossover for binary chromosomes

I’m studying about genetic algorithm. I’m studying about different crossover operations used for binary chromosomes. These methods usually don’t use any intelligence (1-point crossover, uniform crossover, etc.). I found methods like Fitness-based Crossover and Boltzmann Crossover, which use fitness value so that the child will be created from better parents with a better probability. So…

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