TodosApp: Sample CRUD React-Native Expo and Firebase
At my office a student intern arrived, and I was assigned to teach the student about mobile applications using React. In training due to lack of preparation, I had to look for sample code...
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React Native Expo Login/Register with PHP Mysql database
Hello friends, back to our programming tutorial this time. For friends who are new to React native, it’s a good idea to read the article Get to know React, React Native, Bare React Native,...
Citizen Contribution, Cash Book & Lottery Pool - Iuran Warga
Citizen Contribution, Cash Book – Iuran Warga, personal finance application records daily transactions of income, expenses, Arisan, Environmental Maintenance (IPL), and Housing
Zebra Printer print script example using ZPL
There is work in the office that uses the ZT230 and GX430t zebra printers. We can print directly by selecting the zebra printer that has been installed, but if we need a certain format,...
SQL query optimization tips with index, subquery, and cross join
1. Use numeric data type as primary key or foreign key Often beginners will design tables using string types as keys, and this will result in future performance when the data is large, so...
Easy script to make simple lookup with Colorbox popup
In making applications, we often need a window to search for certain data, this function we usually call lookup. This time we will create a simple lookup script with the popup library colorbox for...