2023年7月2日
30秒学会 React 片段 – React useDefault hook
Creates a stateful value with a default fallback if it’s null or undefined, and a function to ...
30秒学会代码片段
2023年6月30日
30秒学会 JavaScript 片段 – What are promises in JavaScript? In which states can a promise be?
The Promise object represents the eventual completion (or failure) of an asynchronous operation, and...
2023年6月28日
30秒学会 CSS 片段 – List with sticky section headings
Creates a list with sticky headings for each section. Use overflow-y: auto to allow the list contain...
2023年6月27日
30秒学会 Python 片段 – Initialize list with values
Initializes and fills a list with the specified value. Use a list comprehension and range() to gener...
2023年6月26日
30秒学会 JavaScript 片段 – What is the difference between static and instance methods?
Static methods belong to a class and don’t act on its instances. This means that they can’t be calle...
2023年6月26日
30秒学会 React 片段 – React useLocalStorage hook
Creates a stateful value that is persisted to localStorage, and a function to update it. Use the use...
2023年6月26日
30秒学会 Python 片段 – List symmetric difference based on function
Returns the symmetric difference between two lists, after applying the provided function to each lis...
2023年6月23日
30秒学会 JavaScript 片段 – Get the last element of a JavaScript array
If you have worked with JavaScript arrays before, you might know that they can be destructured much ...
2023年6月23日
30秒学会 JavaScript 片段 – Truth check all values in a JavaScript array
As mentioned in a previous article, JavaScript uses type coercion in Boolean contexts, such as condi...
2023年6月18日
30秒学会 JavaScript 片段 – Regular Expressions Cheat Sheet
Anchors ^: start of the string or the start of a line in a multiline pattern $: end of the string or...