摘要：
By given a binary tree, and a root node, find the deepest node of this tree. We have way to create node: Way to create tree: Way to construct tree: Th 阅读全文
posted @ 2019-03-11 21:00
Zhentiw
阅读(404)
评论(0)
推荐(0)
摘要：
Let's say given a number of array, you should print out, all the subet of this array. Example: [1, 2] Output: > "" > 1> 2 > 1,2 The number of subset s 阅读全文
posted @ 2019-03-10 22:43
Zhentiw
阅读(146)
评论(0)
推荐(0)
摘要：
This post is similar to previous post. The difference is in this post, we are going to see how to handle both successfuly result and error result by u 阅读全文
posted @ 2019-03-10 21:17
Zhentiw
阅读(199)
评论(0)
推荐(0)
摘要：
Let's say we are going to read some files, return the first file which pass the prediction method, this prediction method can be just check whether th 阅读全文
posted @ 2019-03-10 04:24
Zhentiw
阅读(252)
评论(0)
推荐(0)
摘要：
For example you have a server.js file, and you want to debug some problems; What you can do is: Then go to chrome broswer: You will find node.js targe 阅读全文
posted @ 2019-03-09 18:16
Zhentiw
阅读(179)
评论(0)
推荐(0)
摘要：
It might be possible for our node server has some downtime, no matter it is because server update or simply some crashs in the code. We want to minizi 阅读全文
posted @ 2019-03-09 17:16
Zhentiw
阅读(392)
评论(0)
推荐(0)
摘要：
Let's see how to do load balancing in Node.js. Before we start with the solution, you can do a test to see the ability concurrent requests your curren 阅读全文
posted @ 2019-03-08 22:51
Zhentiw
阅读(255)
评论(0)
推荐(0)
摘要：
When build server, if we have a API endpoint requires some heavy calculation process, it will block the whole world. In this post, we will see how to 阅读全文
posted @ 2019-03-08 22:13
Zhentiw
阅读(320)
评论(0)
推荐(0)
摘要：
/**@abstract * Write your own Math.pow(a int, b int) function * */ function pow (a, b) { let result = 0; let nigate = b = 2) { result = isEven ? pow(a, b / 2) * pow(a, b / 2) : a * pow(... 阅读全文
posted @ 2019-03-08 19:06
Zhentiw
阅读(198)
评论(0)
推荐(0)
摘要：
cons(a, b) constructs a pair, and car(pair) and cdr(pair) returns the first and last element of that pair. For example, car(cons(3, 4)) returns 3, and 阅读全文
posted @ 2019-03-08 18:16
Zhentiw
阅读(307)
评论(0)
推荐(0)
浙公网安备 33010602011771号