Coderek's blog
Live a more efficient lifeReact's useContext is an implicit way to do dependency injection. Components which use values from a context implicitly declare its usage of the context provider. The context provider is acted as an …
Dependency injection is a simple idea: Put depended instance objects in the constructor parameter list of a class, so that when constructing the class object, the dependency can be easily swapped f…
真理，字面上的解释是“真正的” “道理”。 “道理”我们知道，可以是道德的理由，或者广泛一点“解释某种事物的逻辑因果关系的理论”。（我一直以来在追求这样一种通用的理论） 那么什么是“真正的”呢？也可以反过来说，什么是假的呢？真真假假，假假真真。 打个比方，”太阳今天早上从东边升起来了“ 这句话一听就知道是真的。为什么呢？我们的大脑是通过怎样的一个过程来判断这句话是真的呢？ 有可能有这三种思考过程…
从之前的思考中我得到了一条道理。 Live a more efficient life. 过一个更高效的人生。 这里主要就是一个词，efficient，效率。 为什么这么说呢？ 首先，效率，就是在一定时间内完成更事情。 我认为，人从出生开始就是一个对周围事物充满好奇的动物。 大多数人的一生就是在不断的体验生活。 对，就是体验。比如在我们还未成年的时候，我们的生活已经被安排好了。 上幼儿园，小…
最近再次拜读《明朝那些事》，对王守仁的描述有了新的理解。其实也算不上新的理解，因为上次读根本就没有什么理解。这次阅读终于读懂了为什么王守仁的心学是那么的有意义了。
I've been thinking this a lot recently. React is just a view library. What it means is that you give it some data, you'll get some UI. Just think of it as a math function of view. Given the same ro…
In this article, I want to talk about my learnings on building testable apps from the past few years. I've been building mostly Frontend apps using React, so I'll talk from that perspective, but it s…
An old friend of mine got an offer from Facebook recently. He was doing frontend development before. And after joining Facebook, he will be doing mostly backend stuff. According to him, this is a big…
The observer pattern is a software design pattern in which an object, named the subject, maintains a list of its dependents, called observers, and notifies them automatically of any state changes, u…
Original link In a previous blog post, Rahul talked about audio codecs and transcoding, some of which “compress” audio in order to save storage space. But what exactly do these audio codecs do in ter…