Sanwa Supply Gravi

prevent finger maul by using a trackball. People who know me would tell you that I am a big fan of trackball as a replacement for using a mouse. Having tried a couple of different trackballs, the one I am currently using is the Sanwa Gravi, made by Elecom from Japan 🇯🇵. Thus far, it is one of the better ones I have used, espcially if you replace the stock bearing with a ceremic one....

July 10, 2023 · 7 min · sourcevault

nutzen@2.0.6 nutzen.guard .this variable now points to object instance. All functions defined within nutzen.guard now have the .this point to the calling instance’s value, this has special usecase when we are dealing with object models that require handling large number of state values. A simple vanilla javascript example will make things clear: var tank = {} tank.move = function(x,y) { this.x = this.x + x this.y = this.y + y } tank....

June 27, 2023 · 2 min · sourcevault

symbol lookup performance

In javascript symbols can be used as keys to store private values like so: sig = Symbol "self" ob = {} ob.self = null ob[sig] = null symbol_look = function() { ob[sig] = Math.random() } normal_look = function() { ob.self = Math.random() } The private value self is accessible publicly while the one using sig is not, I was curious to know if there was significant performance penalty for using symbols....

January 4, 2023 · 1 min · 

air-conditioner coil

It’s not everyday you get to buy a new AC unit, I though it would be a good idea to finally take some thermal images of the coils that do all the work in a heat exchanger. 🔵 condenser unit (outdoor), placed near window 📋 Data Sheet ( as per manufacturer ). GREE GSH-12PUV410, 1 Ton. Inverter. 12000 BTU. Hot + Cold. Refrigerant Type - R22 Operating current : 6.0 Amp...

August 6, 2021 · 2 min ·