vim - Why does the editor have the "bracket completion" function?

To input the right bracket normally, you need shift + right bracket, two keystrokes, but your hand will not leave the main keyboard area; use bracket completion, after completing the content input, you need to press the → direction key, although you only hit the key once, your right hand will leave ...

天蓬老师 2017-05-16 16:40:41 0  7  690

Square bracket notation for JavaScript objects: using assignment on the left ({ Navigation } =)

I haven't seen this syntax before and would like to know what it means. var{Navigation}=require('react-router');The curly brace on the left throws a syntax error: unexpectedtoken{I'm not sure which part of the webpack configuration does the conversion, or what the purpose of this syntax is. Is this ...

P粉964682904 2023-08-24 17:31:38 0  2  424

Regarding the format of the ajax submitted data URL in thinkphp 5.1, an error will occur if you add curly brackets. Please give me some advice.

If you add curly brackets to url, something will go wrong. Please write it according to Peter’s code. Please give me some advice.

萨羽墨 2021-03-16 11:32:52 0  4  1411

javascript - js regular expression to get the content inside the brackets

Take out the contents of all the brackets in the string. There can be no brackets in the brackets {code...}. The result has brackets on both sides. Don’t you want brackets? (?:exper) Isn’t this a non-obtaining match?

曾经蜡笔没有小新 2017-06-26 10:56:48 0  4  1070

javascript - A front-end interview question, solution

题目： Please give a function to check matching pairs of braces, parenthese and brackets {代码...}

習慣沉默 2017-05-19 10:18:37 0  5  628

Why is it necessary to declare a closure like this?

var add = ()() Why do we need two brackets when declaring a variable?

hopol 2018-05-16 21:21:14 0  1  1079

python - When using from XXX import (XXX, XXX, XXX,) to import a module, what is the significance of the brackets ()?

When reading the Django source code, I found that parentheses are always added when importing modules, for example: {code...} From XXX import (XXX, XXX, XXX,) What is the meaning of the parentheses when importing a module like this?

世界只因有你 2017-05-18 10:49:54 0  2  1138

mysql - What should you pay attention to when connecting large tables and small tables? Performance

Does a small table drive a big table?

天蓬老师 2017-05-27 17:39:11 0  1  958

Regular expression - how to match square bracket pairs in vim

It seems that I use \[ to match [, use ] to match]. I can use \[*] to match the square bracket pair, but a\[*] cannot match the bracket pair with a in front (array a), and use a\[ can match a and the left bracket after a. Why?

phpcn_u1582 2017-05-16 16:41:46 0  2  965

javascript - Doesn't the simplest form of arrow function return an object? map(i => { name: i})

If the arrow function does not use curly braces {}, it is equivalent to directly returning {code...}. But if I want to return an object, I cannot use the simplest form? {code...} must be enclosed in curly braces {code...}

黄舟 2017-06-14 10:53:09 0  2  1124

Upload large files in parts

Please tell me the principle of multi-part upload of large files. How should PHP handle the multi-part data?

PHP 2018-08-14 16:46:23 0  1  1071

javascript - js construction object problem

{Code...} new Person() new Person These two ways of writing have the same effect. Why does it have the same effect as the previous one without parentheses?

習慣沉默 2017-05-19 10:31:03 0  2  527

How can I display a value without using square brackets, commas or parentheses?

I just want to print the value without any brackets, commas or parentheses. I'm using MySQL with python and mysql.connector. When I run this code I get "('esrvgf',)". But I just want "esrvg". importmysql.connectormydb=mysql.connector.connect(host="localhost",user="...

P粉726133917 2023-12-31 11:35:12 0  2  512

javascript - js regular expression to find the string between two characters

This kind of string var d = "1[ddd]sfdsaf[ccc]fdsaf[bbbb]"; I want to get the string array between [and], how to use a regular expression? Excluding the two parentheses, currently I can only do the {code...} with parentheses...

伊谢尔伦 2017-05-19 10:37:52 0  5  807

javascript - Why can this regular expression only replace one string? ?

I want to replace the included strings in the double braces with real values, but I can only replace one. I don’t know why? {code...}

仅有的幸福 2017-06-05 11:13:51 0  4  857

javascript - js large number to binary

There is a very large string of decimal numbers. How to convert it into a binary string? Since the number is very large, there is no way to convert it into a number and put it in the variable toString(2)

仅有的幸福 2017-05-19 10:14:41 0  6  718

$s = new Person();This bracket reports an error

Why does this bracket give an error?

在学php了 2022-07-15 17:04:35 0  9  866

javascript - Click on a group of thumbnails, the large image will be displayed and switch to the corresponding image, and then click on the thumbnail to hide the large image. If you encounter any problems, please ask the teachers for advice.

Click on a group of thumbnails to display the large image and switch to the corresponding image, and then click on the thumbnail to hide the large image. When the large image is displayed, click on other small images to switch the large image but not hide it. My question is: when the big picture is ...

为情所困 2017-05-19 10:34:32 0  1  704

nginx - input file component uploads large attachments: 413 Request Entity Too Large

The problem encountered is that when using the input file component to upload a large attachment, the error "413 Request Entity Too Large" is always reported. I tried uploading a 40M compressed file and it could be uploaded successfully. It took about 37 seconds. When the file size changed...

世界只因有你 2017-05-16 17:25:12 0  1  589

The video has a large watermark, which affects viewing

The video has a large watermark, which affects viewing

宝怡 2019-08-13 20:02:33 0  3  3024