Ben T questions

Ben T answers

• Is there any substring function in helm chart yaml templates ?
• When publishing message with mqtt QoS 2, can it be lost?
• Jest - Mock a constant property from a module for a specific test
• How to copy files from dockerfile to host?
• Authenticating MQTT client on the MQTT server by username and password in C# asp.net core 2.1
• DispatcherTimer doesn't work in Console