2017年3月10日
[Angular] Export directive functionalities by using 'exportAs'
摘要： Directive ables to change component behaives and lookings. Directive can also export some APIs which enable behaivor changes control by outside direct 阅读全文
posted @ 2017-03-10 19:45 Zhentiw 阅读(375) 评论(0) 推荐(0)
[Postgres] Group and Aggregate Data in Postgres
摘要： How can we see a histogram of movies on IMDB with a particular rating? Or how much movies grossed at the box office each month? Or how many movies the 阅读全文
posted @ 2017-03-10 19:17 Zhentiw 阅读(316) 评论(0) 推荐(0)
[Ramda] Create a Query String from an Object using Ramda's toPairs function
摘要： In this lesson, we'll use Ramda's toPairs function, along with map, join, concatand compose to create a reusable function that will convert an object 阅读全文
posted @ 2017-03-10 17:13 Zhentiw 阅读(242) 评论(0) 推荐(0)
[Ramda] Filter an Array Based on Multiple Predicates with Ramda's allPass Function
摘要： In this lesson, we'll filter a list of objects based on multiple conditions and we'll use Ramda's allPass function to create a joint predicate from mu 阅读全文
posted @ 2017-03-10 03:32 Zhentiw 阅读(480) 评论(0) 推荐(0)