Zhentiw - 博客园

2019年3月26日

[Git] Undo my last commit and split it into two separate ones

摘要： When you accidentally committed some changes to your branch you have various possibilities to “undo” that operation and add some more changes. One is 阅读全文

posted @ 2019-03-26 20:51 Zhentiw 阅读(179) 评论(0) 推荐(0)

[Algorithm] Powerset Problem

摘要： By given an array [1,2,3]: Return all possible combinations. for example: [[], [1], [2], [3], [1, 2].... [1,2,3]] 阅读全文

posted @ 2019-03-26 20:18 Zhentiw 阅读(331) 评论(0) 推荐(0)

[Functional Programming] Using JS, FP approach with Arrow or State Monad

摘要： Using Naive JS: The main problem is inside 'rando' function, not really a FP way doing stuff. Arrow approach: It becomes complex with we need to do Pa 阅读全文

posted @ 2019-03-26 17:15 Zhentiw 阅读(257) 评论(0) 推荐(0)

[Algorithm] Search element in a circular sorted array

摘要： We don't need to 阅读全文

posted @ 2019-03-26 00:35 Zhentiw 阅读(143) 评论(0) 推荐(0)

2019年3月25日

[Git] Change the commit message of my last commit

摘要： Did you make a typo in your last commit message? No problem, we can use the git --amend command to change it very easily. Note: This only holds if you 阅读全文

posted @ 2019-03-25 21:34 Zhentiw 阅读(249) 评论(0) 推荐(0)

[Git] Squash all of my commits into a single one and merge into master

摘要： Often you have your feature branch you’ve been working on and once it’s ready, you just want it to merge into master as a single commit. You don’t car 阅读全文

posted @ 2019-03-25 21:30 Zhentiw 阅读(233) 评论(0) 推荐(0)

[Git] Move some commits to a separate branch that I have accidentally committed to master

摘要： Gosh no, I just added all of these commits to master. They were thought to be peer reviewed first in a dedicated branch! No worries, in this lesson we 阅读全文

posted @ 2019-03-25 20:59 Zhentiw 阅读(215) 评论(0) 推荐(0)

[Functional Programming] Introduction to State, thinking in State

摘要： Recently, I am learning Working with ADT. Got some extra thought about State Monad. Basiclly how to thinking in State. First, we need to know the type 阅读全文

posted @ 2019-03-25 19:06 Zhentiw 阅读(268) 评论(0) 推荐(0)

[Algorithm] How many times is a sorted array rotated?

摘要： Given a sorted array, for example: Then we rotated it 1 time, it becomes: 2 times: So now given you an array which is rotated N times based on an sort 阅读全文

posted @ 2019-03-25 05:12 Zhentiw 阅读(215) 评论(0) 推荐(0)

2019年3月24日

[Functional Programming] Arrow contramap vs map and promap

摘要： In previous post, Arrow Functor with contramap, we have seen how to opreating on params before we invoke the function by using Arrow + contramap. It h 阅读全文

posted @ 2019-03-24 22:06 Zhentiw 阅读(337) 评论(0) 推荐(0)

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