Turn a relay on and off using a push button. When using a pushbutton, you have use a library (don't reinvent the wheel) to control the push button signal. It's called a debounce, taking account in...
7 Sep, 2020
go-pg is PostgreSQL client and ORM for Golang. To show generated queries we have to implement some hooks. There are multiple posts about this in issues, this is an exact working example of it.
23 Jul, 2020
Removing array element from vue property caused a tricky anomaly for me. I was trying different methods delete didn't work, splice worked but always removed the last item from array. Finally I...
15 Jul, 2020
How to split string in ES6. I would suggest the method of using split function from lodash. In modern JavaScript frontend you use a lot of dependencies and lodash is used in almost every project....
11 Jun, 2020
Converting svg to dxf from terminal requires inkscape and pstoedit. I myself am using svgo to cleanup the svg file, haven't tested if it makes difference in some edge cases.
15 Apr, 2020
How to find out if a Date is indeed a valid Date. Simply instance check will not do it, the date might be "Invalid Date".
25 Mar, 2020
Simple blank "Hello, World!" setup combining Gin (golang) + React + Webpack. Create files with these codes, download dependencies and run.
25 Mar, 2020
Compare values from columns of multiple tables. This query can be used to compare two tables in such manner in postgres.
25 Mar, 2020
This snippet shows you how you can copy a whole table to another one. Useful if you are about to change data in a table and later need to compare it with EXCEPT.
11 Feb, 2020
This snippet shows you how to connect to Azure database for you to run some scripts for an example. In this example we use ODBC class not through PDO. You need to download two packages from your...