Zhentiw - 博客园

2022年8月5日

[Node.js] Reading from the File System in Node.js

摘要： There are a handful of ways you can read and write to the File System in Node.js. We will look at readFileSync, readFile, and a promise based version 阅读全文

posted @ 2022-08-05 20:25 Zhentiw 阅读(30) 评论(0) 推荐(0)

[Node.js] Set the Node.js Project to ECMAScript Modules (ESM)

摘要： Node.js projects have two ways that you can import and export code into different files. This is through CommonJS (CJS) and ECMAScript modules (ESM). 阅读全文

posted @ 2022-08-05 19:50 Zhentiw 阅读(27) 评论(0) 推荐(0)

2022年8月4日

[JUnit] Assumption and assertAll

摘要： Assumption: Run the testing code only if when the condition is match, otherwise, test will be ignored @Test void runTestIf() { System.out.print("Curre 阅读全文

posted @ 2022-08-04 18:28 Zhentiw 阅读(29) 评论(0) 推荐(0)

[Algorithm] Doubly Linked list construction

摘要： // This is an input class. Do not edit. class Node { constructor(value) { this.value = value; this.prev = null; this.next = null; } } // Feel free to 阅读全文

posted @ 2022-08-04 01:17 Zhentiw 阅读(30) 评论(0) 推荐(0)

2022年8月3日

[Typescript] Definite assignment operator

摘要： The definite assignment !: operator is used to suppress TypeScript’s objections about a class field being used, when it can’t be proven1 that it was i 阅读全文

posted @ 2022-08-03 20:11 Zhentiw 阅读(26) 评论(0) 推荐(0)

[Functional Programming] Write a strBuilder function to take unary params

摘要： Requirements: function strBuilder(str) { return strBuilder; // TODO } var hello = strBuilder("Hello, "); var kyle = hello("Kyle"); var susan = hello(" 阅读全文

posted @ 2022-08-03 19:56 Zhentiw 阅读(28) 评论(0) 推荐(0)

[Typescript] Type Guard: is & assert

摘要： value is Foo The first kind of user-defined type guard we will review is an is type guard. It is perfectly suited for our example above because it’s m 阅读全文

posted @ 2022-08-03 13:23 Zhentiw 阅读(61) 评论(0) 推荐(0)

[Typescript] Exhaustive conditionals - UnreachableError helper class

摘要： class UnreachableError extends Error { constructor(_nvr: never, message: string) { super(message) } } class Car { drive() { console.log("vroom") } } c 阅读全文

posted @ 2022-08-03 01:59 Zhentiw 阅读(16) 评论(0) 推荐(0)

2022年8月1日

[Typescript] Class - Param properties

摘要： For the following class: class Car { make: string model: string year: number constructor(make: string, model: string, year: number) { this.make = make 阅读全文

posted @ 2022-08-01 17:17 Zhentiw 阅读(42) 评论(0) 推荐(0)

2022年7月31日

[Functional Programming] Make a flip and reverse functions

摘要： function f(...args) { return args; } function flip(fn) { return function flipped (arg1, arg2, ...args) { return fn(arg2, arg1, ...args) } } let z = fl 阅读全文

posted @ 2022-07-31 16:45 Zhentiw 阅读(30) 评论(0) 推荐(0)

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