Programmer Think

Brief introduction: The separation of UI from business has been evolving, from early mixins, to HOC, to Render Prop. This article mainly compares HOC and talks about Render Props 1. Early mixins Early reuse businesses were implemented through mixins, such as component A and component B, which had common functions that ...

This article began to formally do the function, before I developed the reminder of puzzle puzzle, the function of reminding sellers that puzzle puzzle is too many and the number of puzzle puzzle is not enough. This idea comes mainly from the complaints of friends. I think it should be the voice of most sellers. After analysis, I got several a ...

Translator: Crazy Technology HouseOriginal text: https://smalldata.tech/blog/2... Wechat Public Number: Front-end PioneerWelcome to pay attention and push you fresh front-end technology articles every day. Before I begin, I will popularize some basic knowledge. Javascript objects are just pointers to a location in memory. These pointers are ...

Article directory First, what is Stream? 2. Three steps of Stream operation 3. Creating Stream IV. Stream's Intermediate Operation 4.1. Screening and slicing 4.2. Mapping: (emphasis) 4.3. Sort: V. Termination of Stream 5.1. Finding and Matching 5.2. Reduction: (emphasis) 5.3. Collection: (emphasis) 5.4, grouping 5.5, zonin ...

problem (1) What's the difference between Collection and Set? (2) How does HashSet ensure that elements are not duplicated? (3) Does HashSet allow null elements? (4) Is HashSet orderly? (5) Is HashSet synchronous? (6) What is fail-fast? brief introduction Set, the concept is a little vague. Generally speaking, collections in Java refer to cont ...

Previously, we analyzed ArrayList. We know that ArrayList is implemented by arrays and traverses quickly, but when inserting and deleting, we need to move the elements behind, which is slightly less efficient. In this article, let's look at LinkedList, which is implemented by a two-way linked list. When inserting and deleting linkedList, we on ...

Set the font/button color in the notification bar to change with the background color of the system drop-down menu This article is about how the Android-side APP can keep the font colors and icons in the Notification in high contrast in the lower menu of different colors, while setting the Notification background to be transparent when it iss ...

Preface Ring progress bar, used to show the current progress, in order to meet the needs of large screen UI customization, there used to be a ring progress bar, which can not meet the needs of the project, can only be re-customized, the previous progress interval can not be self-adaptive resolution, and the current progress corresponding to the ...

fibonacci When I read the official BuckleScript document, I found a Fibonacci code that brightened my eyes. The idea of implementation was something I had never thought of before. I still remember the power of recursion that Fibonacci sequence made me understand when I first learned programming, and now I have a new understanding of recur ...

I. Hash 1.1 Introduction The dictionary in Redis is implemented using a hash table as the underlying implementation, where a hash table has multiple nodes and each node holds a key-value pair. In Redis source files, the implementation code for the dictionary is in dict.c and dict.h files. Redis's database is implemented ...