Recommendations Rainbow colored keyboard that makes typing fun
The keyboard is one of the devices that we use every day for both private and working time. It is the second-longest use...
Recommendations 
Recommendations Try sophisticated and comfortable mice M575 for the first trackball mice
I have been interested in a trackball mouse. I have used a normal mouse since I started to use PC but I bought this year...
Recommendations Try to use wrist rests to reduce wrist strain
A worker normally works 8 hours a day. If there is no meeting, we use a keyboard and mouse for a longer time. Haven't yo...
JavaScript/TypeScript How to determine test values for unit testing
Are you a beginner at unit testing? Are you not confident enough to choose the test cases? You are not alone. Let's lear...
JavaScript/TypeScript TypeScript Stub Top Level function by Sinon
Functions called in a different function are not always class members. They are often top-level functions which are not ...
JavaScript/TypeScript How to mock fs.readdir and fs.readFile for unit testing
Reading a directory to get a file list and then, loading the file one by one. You might have seen such a function. If it...
JavaScript/TypeScript How to inject user input data for unit tests
Some console applications require user inputs. For those inputs, we need to write unit tests. If we using readline modul...
JavaScript/TypeScript error C2039 ‘Buffer’ is not a member of ‘node’
When I ran a build for C++ code by node-gyp, the following error occurred.$ npm run build> module-name@2.9.14 build D:\d...
JavaScript/TypeScript How to start Unit Testing in TypeScript with mocha and chai
Writing unit tests is an important step to be an intermediate developer from a beginner. The developers who can't write ...
Other techs Setup a port forwarding by batch file
I needed to set up a port forwarding to access a machine via another machine. The setting was reset whenever the machine...