Abstract: Embodiments relate to interactively debugging non-native code inside native executables to identify erroneous execution logic and/or performance issues. The non-native code can be WebAssembly (WASM) code. Source smart contract code can be converted into a native binary in a format of a shared library. The shared library can be loaded by a blockchain executable when ready to load the smart contract for execution, and execution control can be passed to the shared library. A debugger can be attached to the host executable and single step through the smart contract code invoked. Embodiments relate to enabling interactive debugging of code as shared libraries (.

Abstract: A machine includes a securing seat, a rechargeable battery, a charger, and a stir mechanism for stirring ice cream materials with; the stir mechanism is fitted on the securing seat, and includes a control unit, a gear set, several blades joined to a central shank, and a motor, which is electrically connected to the control unit, and connected to a first one of the gear set at a shaft thereof; the central shank is joined to a last one of the gear set at inner end such that the central shank will rotate when the motor is running; the rechargeable battery is connected to the control unit to be used as power source for the motor while the charger is connected to the rechargeable battery such that the rechargeable battery will be charged when a power converter is connected to both the charger and a wall socket.

Abstract: A humidifier capable of sending forth fragrance includes a housing, a water-detecting device, an electric heating member, a top covering and a perfume holding member. A water-containing hollow is provided within the housing. The detecting device and the heating member are arranged such that water held in the hollow can flow to both. The top covering is coupled to the housing, and has a steam-ejecting hole. The perfume holding member is coupled to, and covers a part of the ejecting hole. When the detecting device detects presence of water, the heating member will heat the water into steam, which is then ejected from the ejecting hole, and heats the perfume for it to be sent forth to the air.