javascript - Please recommend a rich text editor suitable for mobile use

Usage scenario: The email writing function in the web app can be a simple text, and then separate the function of uploading an attachment. But forwarding and replying to emails cannot be pure text, so you can only use a rich text editor. Vue1.0 single-page application for front-end technology, so is...

某草草 2017-05-19 10:14:36 0  3  570

javascript - jq fixed height text expand and collapse

{Code...} How to achieve such an effect? ​​I tried writing the effect after folding and expanding the arrow. It seems not ideal, because the height written here is fixed, but the amount of this text is uncertain demo

伊谢尔伦 2017-06-29 10:09:11 0  3  1264

node.js - How to use node's fs module in a browser environment?

I have a need to use pure js to read images. The only parameter is the image path. The following is the code in the node environment {code...} Use browserify to convert it into {code...} and run the prompt in the browser environment, as follows Error, it seems that browserify cannot convert the fs m...

高洛峰 2017-05-16 13:44:07 0  2  1342

javascript - Use css to implement navigation bar on the web?

1. How to implement the navigation bar like the left side of http://chuangzaoshi.com/code? 2. Can it be fully implemented using css? How to implement pure css? How to implement js? Thanks! ps: Thanks to the two masters for their answers. I didn't explain clearly. My questions are as follows: {Code.....

漂亮男人 2017-06-26 10:50:29 0  2  912

Prevent MySQL from reading when updating

I have two simple queries, one to read the table and one to update the table. How to lock the read of a select query while the update query is running. Now in MySQLInnoDB, I noticed that writes/updates are locked by default, but reads/selects get the old data before the transaction. I tried using a ...

P粉190883225 2023-11-07 18:05:53 0  1  652

Loop through multiple elements and calculate the price discount for each element

I'm trying to find the percentage difference between the old price and the new price for each individual. Currently, my code only gets the percentage difference of the first one and loops the same percentage difference into the rest. Does anyone know how to update this code to target each individual...

P粉506963842 2023-09-02 17:14:31 0  1  549

Front-end engineering - Should the front-end mvc Model and Control be written in two separate .js files?

There are some confusions about front-end MVC: Model: Write logical Control to register and control page node events, and implement page loading performance. So, in large-scale project development, should Model and Control be written in two separate .js files, or should they be written in two separa...

大家讲道理 2017-05-16 17:05:27 0  2  476

How to write username validation rules in Laravel?

The requirement is that it must contain letters and numbers. For example, pure numbers are not acceptable. How to implement it using laravel's own verification method?

天蓬老师 2017-05-16 16:51:23 0  6  716

javascript - Ask a question about web layout?

Describe, for the page, {code...} I know that one method is to use negative margin-top and positive padding-bottom, but it feels not flexible enough. Is there any good implementation method? This is my answer: pure css because I mainly use it on mobile terminals, it should be compatible...

世界只因有你 2017-05-19 10:10:18 0  3  582

How to use UNIQUE of PHP and MySQL to ensure that the user name is unique like JD.com registration?

I think that such quick judgment of duplicate user names is achieved by setting the user name field UNIQUE and then writing to catch the exception. But I tried it and found that the actual operation is not that simple. If the user name is required to be unique, just write a table to see the exceptio...

phpcn_u1582 2017-06-28 09:23:08 0  3  883

React component library + SASS modularity

I'm starting to develop a React component library and would like to reuse some SCSS code we share with other non-React projects. To achieve this, I'm trying to use a SASS module in a React component. Simple use case works fine but I'm creating a component library and I need multiple style combinatio...

P粉818306280 2024-03-26 21:31:03 0  2  451

Customize Woocommerce shipping area method

I've spent several hours trying to find the right way to implement a solution for creating a custom shipping area method. WC: 7.2.2 Work Pressure: 6.0.3 The site is running fine, no permission errors etc (only updating available information) I used some sources of information like: https://woocommer...

P粉558478150 2023-08-29 10:57:38 0  1  511

The rewritten title is: Using PHP buttons combined with jQuery and POST methods to get return values

I have a simple form to get usernames and would like to achieve the following: When the user clicks on a button, the button will be disabled to prevent multiple clicks (in real cases it may take a few seconds to process all the data, e.g. calling an API , write to database, etc.); after clicking, a ...

P粉738821035 2023-09-05 08:42:27 0  2  596

Dynamically populating HTML forms at scale: via SQL values ​​in PHP

This question has more to do with the process/logic I'm hoping to implement in terms of "SCALE" than how to write the code. In WordPress, I have several forms that load as HTML and when the user creates a custom post (actually a new database entry for those not familiar with CMS) to log a ...

P粉765570115 2023-09-10 17:28:20 0  1  645

Transformations on CSS display properties

I'm currently designing a CSS "mega dropdown" menu - basically a regular pure CSS dropdown menu, but with different types of content. Currently, CSS3 transitions don't seem to work with the "display" property, i.e. you can't go from display:none to display:block (or any combinati...

P粉958986070 2023-08-23 12:27:32 0  2  636

Multiline chart in React

I'm basically trying to make a simple chart using Recharts in React. The problem I'm having is that I can't make multiple rows because the X-axis is different for both datasets. For example: set1:[{x:1.1,y:2.1},{x:1.2,y:2.2}] and set2:[{x:1.3,y:3.2},{x:1.4,y:3.4}]. I don't know why every time I try ...

P粉208469050 2023-09-14 23:54:56 0  1  617

c++ - What is the relationship between browser, v8 engine, JavaScript, and ECMAScript?

This problem has troubled me for a long time, and I have read a lot of relevant information, but I still can't figure out the relationship between them. JavaScript consists of three parts: ECMAScript, dom, and bom. The browser is an environment for running scripts. Question 1: Saying that JavaScript...

淡淡烟草味 2017-06-20 10:06:31 0  2  1033

How can I change the selected checkboxes (select all) after unchecking one of the following checkboxes?

I just created the check all script in JS but don't know how to implement it to check if all my checkboxes are still checked and if not - uncheck my "select all" checkbox. Any ideas on how to do this? This is my code, please have a look, pure JS functiontoggle(){letselector=document.queryS...

P粉463418483 2024-04-01 17:46:03 0  1  628

android - Where should this command (./gradlew assembleDebug --debug) be executed?

I have encountered some problems more than once and need to perform operations similar to ./gradlew assembleDebug --debug, but I don’t know where I need to enter this string of similar commands. I tried searching but there was no result. It should be a very simple problem, but I'm just stuck here. I...

PHP中文网 2017-05-24 11:38:00 0  2  1256

Protect Vue application pages from access by non-logged-in users

I started using supabase as an alternative to firebase. I'm implementing a simple authentication system for my vuewebapp and I have a problem with redirects. I used the magic link solution to log users in to https://supabase.com/docs/guides/auth/auth-magic-link but I'm not sure how to properly set u...

P粉598140294 2023-09-01 11:46:55 0  1  642