cruelcage questions

• What does ".main" mean in python source code?
• Why the timestamp of block get from ethers.js not equals to display in etherscan.io?
• How to keep NERDTree open while opening a new tab?
• How to show tooltip description in Android Studio?
• Supervisorctl error: unix:///var/run/supervisord.sock refused connection? [closed]

cruelcage answers