Tag：Character string
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Time：2021-10-22
Any sequence (iteratable object) in Python can be split by assignment, including but not limited to tuples, lists, strings, files, iterators, generators, etc. Tuple splitting Tuple splitting is the most common splitting. Examples are as follows: p = (4, 5) x, y = p print(x, y) # 4 5 If written x, y, z = […]
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Time：2021-10-22
1. Variable lifting The JavaScript engine works by parsing the code, obtaining all declared variables, and then running the code line by line from top to bottom Therefore, all non function variable declaration statements will be promoted to the head of the code. JavaScript’s mechanism for reading variables is called variable promotion Note that variable […]
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Time：2021-10-22
Online HTML to JS / JSON tool Online HTML to JS / JSON tool This tool supports the HTML to JS / JSON tool, and converts HTML strings into JS variable form or JSON array form, which is generally used for JS string splicing. https://tooltt.com/html2js/
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Time：2021-10-21
Online HTML entity to string tool Online HTML entity to string tool This tool supports converting HTML entities into strings or strings into HTML character entities to realize HTML string escape. https://tooltt.com/html2str/
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Time：2021-10-20
Original link: https://blog.csdn.net/zhgl7688 This article mainly introduces the difference and division between% C and% s in C language. I hope it will be helpful to you. Let’s follow Xiaobian and have a look! %The C format corresponds to a single character, and the% s format corresponds to a string. Example: char a; char b[20]; […]
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Time：2021-10-18
Window.matchmedia method window.matchMediaMethod returns aMediaQueryListObject.window.matchMediaAccepts the media query string as a parameter. const mql1 = window.matchMedia(‘(max-width: 600px)’); const mql2 = window.matchMedia(‘(min-width: 400px) and (max-width: 800px)’); Mediaquerylist object Attribute matches Returns a Boolean value. Judge whether the current document matches the media query string. Match returns true. Otherwise, false is returned. const mql = window.matchMedia(‘(max-width: 600px)’); […]
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Time：2021-10-17
##1. Operator 1.1. Arithmetic operator operator describe example result + addition var num = 1 + 2; 3 – subtraction var num = 4 – 3; 1 * multiplication var num = 4 * 3; 12 / division var num = 6 / 3; 2 % Surplus var num = 7 % 3; 1 Normal […]
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Time：2021-10-17
Fastjason and Jackson handle the problems of converting objects and complex objects The most common problem in the development process is JSON format conversion. Including JSON to object, data, map, etc. Fastjason, a common class library dealing with JSON, is summarized by Jackson. If there is any deficiency, you can leave a message. I hope […]
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Time：2021-10-17
preface Development should have a heart of awe for the online environment. Any point may lead to online failure or ruin your year-end bonus (⊙ ＾ ⊙). For example, usingJSON.stringify, this very familiar but very strange API. After reading this article, you can gain: Learn a sad story that almost made my year-end bonus go […]
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Time：2021-10-16
preface At the beginning, the basic library, language and runtime team of. Net have always been updated independently of each other. Net 6 has also made many improvements in the basic library and runtime, but this article only introduces the language part. It has been some time since the last introduction of the features of […]
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Time：2021-10-16
Continued learning notes (1)12. Controller instruction <!DOCTYPE html> <html ng-app=”app”> <head> <meta Content-Type=”html/text;charset=UTF-8″> <title>ngController demo</title> </head> <body> <div ng-controller=”ctrl”> < label > Name: < input type = “text” ng model = “name” / > < / label > <– Bind name — > < button ng Click = “greet()” > say hello < / button […]
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Time：2021-10-15
There are many kinds of strings in C + +. For details, refer toString types in C + +。 This article mainly takes string type as an example to talk about string encoding. String is selected mainly because: Byte is the minimum structure of binary encoding of string. String is essentially an array of bytes […]
