Talk about coding things, and by the way, implement base64
Catalog
Conversion between binaries
Arbitrary Binary Conversion of Arbitrary Binary Numbers
Converting Arbitrary Number to Decimal Number
Several Interview Questions on parseInt
Coding History
base64 encoding
Why base64 is needed
How to Realize base64
Read buffer to json object
Convert decimal to binary
Put the binary together by 3*8 a ...
Added by sherry on Fri, 06 Sep 2019 11:45:14 +0300
web Front-end Start to Practice: CSS Custom Properties + CSS Grid Grid for Super Layout Ability
One thing I've noticed recently is CSS custom attributes. CSS custom attributes work a little like variables in SASS and other preprocessors. The main difference is whether other methods are generated after compiling in browsers or the original CSS w ...
Added by MadRhino on Thu, 05 Sep 2019 08:43:11 +0300
Custom Annotation Injection Property Values (Based on Reflection and Static Variables)
Links to the original text: http://markey.cc/2019/02/16/SpringBoot%E4%B9%8B%E8%87%AA%E5%AE%9A%E4%B9%89%E6%B3%A8%E8%A7%A3%EF%BC%88%E5%9F%BA%E4%BA%8E%E5%8F%8D%E5%B0%84%E5%92%8C%E9%9D%99%E6%80%81%E5%8F%98%E9%87%8F%EF%BC%89/
This article wil ...
Added by sheffrem on Wed, 04 Sep 2019 10:41:34 +0300
JavaScript Design Patterns--Implementation and Principles of Multiple Inheritance Modes
The original text is from my personal blog site: https://www.dzyong.com (Welcome to)
Link address for this article: https://www.dzyong.com/#/View... (Please label source for reload)
What is inheritance
Inheritance is a concept in object-oriented software technology.If one category A "inherits" from another category B, it is called a & ...
Added by peppino on Wed, 04 Sep 2019 05:16:34 +0300
In the launch file, the node and its tag contents are understood
node label
Specify a ROS node in the tag, which is the most common roslaunch tag because it supports the most important function: start and close the node.
roslaunch does not guarantee the order in which nodes start. Since there is no way to know fro ...
Added by fire_cracker on Tue, 03 Sep 2019 17:03:21 +0300
Introduction to web Front-end to Practice: Five Ways to Detail CSS Three-Column Layout
Topic: Assuming the height is known, please write out three columns layout, in which the width of left column and right column are 300 px, and the middle column is adaptive.
Five schemes for three-column layout
This is a classic interview question. ...
Added by fleabel on Tue, 03 Sep 2019 16:21:02 +0300
How "React Hooks" uses 120 lines of code to implement an interactive drag-and-drop upload component
Preface
In this article, you will learn:
How to rewrite existing components to React Hooks function components
How does useState, useEffect, useRef replace the original life cycle and Ref?
Four events covered by a complete drag-and-drop upload be ...
Added by drak on Tue, 03 Sep 2019 13:20:30 +0300
Testing JavaScript with Jest (2019)
Author: Valentino GagliardiTranslator: Crazy Technology House
Original: https://www.valentinog.com/bl...
Reproduction is strictly prohibited without permission
What does testing mean?
Testing in technical terms means checking whether our code meets certain expectations. For example, given some input, a function called "transformer" s ...
Added by slionheart on Mon, 02 Sep 2019 06:18:29 +0300
Look at React-Redux Source with Questions (14,000-word long alert)
Welcome to the Public Number: One front end at a time, sharing what I understand on an irregular basis
Write before
While I was reading React-Redux source code, it was natural for me to go online and find some reference articles, but I found that n ...
Added by flyersman on Mon, 02 Sep 2019 04:46:11 +0300
Java Development Notes (144) Controller for implementing FXML
Previously, how to lay out the interface through fxml file is described. However, static interface can not handle business at all. Code of business logic must be written separately to respond to button click events and present business results even on the interface.Obviously, no Java code can be written inside the fxml, and the entry program ha ...
Added by Gwayn on Sat, 31 Aug 2019 09:44:42 +0300