Zhentiw - 博客园

2020年5月28日

[Functional Programming] foldMap for Monoids

摘要： Let's say we have following semigroups: // Total: Sum up all the number const Total = (x) => ({ x, concat(o) { return Total(o.x + x); }, fold() { retu 阅读全文

posted @ 2020-05-28 14:42 Zhentiw 阅读(157) 评论(0) 推荐(0)

[Tools] Install and Manage Node.js Versions with nvm

摘要： It can be difficult to work on multiple projects that use different versions of Node. nvm (Node Version Manger) make this easier by allowing you to do 阅读全文

posted @ 2020-05-28 01:57 Zhentiw 阅读(167) 评论(0) 推荐(0)

[Python] Magic methods

摘要： Thinking how to add tow Guessin object together? It is similar idea to Functional programming, Data type. import math import matplotlib.pyplot as plt 阅读全文

posted @ 2020-05-28 01:48 Zhentiw 阅读(293) 评论(0) 推荐(0)

[Python] Gaussian Class

摘要： import math import matplotlib.pyplot as plt class Gaussian(): """ Gaussian distribution class for calculating and visualizing a Gaussian distribution. 阅读全文

posted @ 2020-05-28 01:40 Zhentiw 阅读(375) 评论(0) 推荐(0)

2020年5月25日

[CSS] Siblings selector

摘要： For example, we have current html code: <main class="grid-wrap"> <div class="grid"> <span>One column default</span> </div> <div class="grid"> <span>Ha 阅读全文

posted @ 2020-05-25 14:32 Zhentiw 阅读(304) 评论(0) 推荐(0)

[Mise] Tips for Conducting a Code Review

摘要： Now that we know what we are looking for, let's go over some tips on how to actually write your code review. When your coworker finishes up some code 阅读全文

posted @ 2020-05-25 00:27 Zhentiw 阅读(223) 评论(0) 推荐(0)

[Mise] Questions to Ask Yourself When Conducting a Code Review

摘要： Is the code clean and modular? Can I understand the code easily? Does it use meaningful names and whitespace? Is there duplicated code? Can you provid 阅读全文

posted @ 2020-05-25 00:23 Zhentiw 阅读(165) 评论(0) 推荐(0)

2020年5月23日

[Python] Optimizing code with numpy intersect1d, and Set

摘要： import time import pandas as pd import numpy as np with open('books_published_last_two_years.txt') as f: recent_books = f.read().split('\n') with open 阅读全文

posted @ 2020-05-23 17:09 Zhentiw 阅读(399) 评论(0) 推荐(0)

2020年5月20日

[Functional Programming] EitherToTask transform

摘要： const Task = require("data.task"); const Either = require("data.either"); const { Right, Left } = Either; const { List } = require("immutable-ext"); c 阅读全文

posted @ 2020-05-20 03:45 Zhentiw 阅读(242) 评论(0) 推荐(0)

[Functional Programming] Traverse Task and Either

摘要： const Task = require("data.task"); const Either = require("data.either"); const { Right, Left } = Either; const { List } = require("immutable-ext"); / 阅读全文

posted @ 2020-05-20 03:10 Zhentiw 阅读(228) 评论(0) 推荐(0)

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