Software architect. Web Development, build apps with Angular, TypeScript, JavaScript, and NestJS
Reading Time: 4 minutes Introduction This is day 7 of Wes Bos’s JavaScript 30 challenge where I am going to apply some RxJS counterparts of array methods to streams to obtain results. In this blog post, I create observables from arrays and use some, every, filter, find and findIndex operators on RxJS streams to get some answers to some … Read more
Reading Time: 5 minutes Introduction This is day 4 of Wes Bos’s JavaScript 30 challenge where I am going to create RxJS custom decorators to sum and sort streams. In this blog post, I describe the steps to create RxJS custom decorators, sum and sort to manipulate streams. First, I apply sort() to sort RxJS streams by a comparison … Read more
Reading Time: 7 minutes Introduction This is day 19 of Wes Bos’s JavaScript 30 challenge where I am going to use RxJS operators and Angular to take photos, add them to photo section for me to download to my local hard drive. In this blog post, I inject native Navigator to component such that I can load web camera … Read more
Reading Time: < 1 minutes Reading the tutorial to build a nodeJS + express GraphQL server Currently in Chapter 3: A Simple Query https://www.howtographql.com/graphql-js/0-introduction/ https://www.howtographql.com/graphql-js/1-getting-started/ https://www.howtographql.com/graphql-js/2-a-simple-query/
Reading Time: < 1 minutes Coursera: 1) Reproducible Research: Enroll Signature Track to earn my third Verified Certificate in Data Science Specialization. 2) Pattern-Oriented Software Architectures: Programming Mobile Services for Android Handheld Systems: Earn my second Verified Certificate in Mobile Cloud Computing with Android Specialization. 3) Advanced Competitive Strategy: Completed all 7 quizzes and open book final examination. 4) Programming … Read more
Reading Time: < 1 minutes Coursera: 1) MetaData: Organizing and Discovering Information: Must watch week 4 videos over the weekend because homework is due next Thursday (Oct 3). MongoDB University: 2) M101JS: MongoDB for Node JS Developers: Answered all questions in the exam finally. Question 7 is the hardest in my mind because I spent three days to get the … Read more