du nguyenHow to improve database performance using indexes?Performance is a one of metrics both important and difficult to achieve when design and implement in database system. There is many…2 min read·Dec 5, 2020----
du nguyenProbability — Producing DataProducing data is a first step in four-steps process data. In this step, we choose a individuals that included in the sample from…2 min read·Sep 21, 2019----
du nguyenDifferent between let and var in JavaScriptYou can use let or var keyword to declare variable, object in JavaScript. But, what’s different between them?1 min read·Sep 20, 2019----
du nguyenHow to learn JavaScript by yourself?JavaScript is a popular language programming to develop web application today. It is simple and powerful. We can easily use JavaScript on…1 min read·Sep 19, 2019----