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javascript - How is this stroke animation effect achieved?

This stroke-like effect will appear when the mouse is hovering over it. Can it be achieved with pure CSS? How to achieve the same effect?

学习ing 2017-06-24 09:44:08

javascript - How to implement circuit diagram using echarts? ?

I would like to ask, you masters, how can you achieve this effect? Because the nodes on the line need to be dynamically rendered in the background and are not fixed. There is no need for Amap or Baidu maps or anything like that. It is a pure data visualization display.

曾经蜡笔没有小新 2017-06-10 09:48:57

sort - javascript manually specify the order of an array of objects

I have an object array. I want it to be arranged in the order I specified. As follows, it is arranged in the order of the names I specified. I will use pure native JavaScript to do it in the following way. Is there any lodash or other third parties? The well-known suite can achieve the following eff...

淡淡烟草味 2017-06-28 09:27:54

Use special cursor to change text on hover

Please guide me how to change text on hover, similar to monopo website. I don't need a background. Just a simple circular effect (like a colored background) and text changes are all you need. Also, if possible, I would like the effect to be active only in the div named "about". Website lin...

P粉665427988 2023-09-05 23:47:42

Gradient effect of CSS display properties

I'm currently designing a CSS "super dropdown" - basically a regular pure CSS dropdown, but with different types of content in it. Currently, it seems that CSS3 transition effects do not apply to the "display" property, that is, there is no way to transition from display:none to ...

P粉608647033 2023-08-21 11:08:32

Adding Vue directives to elements programmatically: a step-by-step guide to v-if

We can programmatically add custom attributes to elements using pure JS, like element.attr('data-attr',someValue), but what about Vue directives like v-if Given the following element <pv-html= "data.title"></p>How to add v-if programatically? I'm asking this for automation purp...

P粉883973481 2023-09-07 13:54:54

Scatterplot points do not maintain values when zooming in d3.js

This is my first time using d3.js, so please bear with me. I implemented it as pure JavaScript in vue.js file. I'm trying to make a scatter plot with zoom functionality. So far I have almost everything working fine, but when I zoom I notice that the x-axis is not scaling correctly, but the y-axis is...

P粉294954447 2024-04-06 18:16:26

Ways to fix issue 2003 (HY000): Unable to connect to MySQL server 'db_mysql:3306' (111)

I recently tried to containerize my FastAPIPython server (also for replication/doubling purposes). Before, I had just a MySQL server in a Docker container and everything was fine, but when I also made my web server a service, it couldn't connect to the MySQL server, so now the application doesn't wo...

P粉178132828 2023-09-05 11:18:47

Experiment with sorting after query limit

So this is my first question here, please forgive me if something is wrong. I'm trying to make a sort query based on constraints. So there is a Customers table with 90 records. I want to first perform a query limited to 3 records, and then sort the results of this query by a column called ContactNam...

P粉237125700 2023-09-05 14:46:42

CSS Grid: Create new row when child content overflows column width

I have a two column layout based on CSS grid. When the content of the second column exceeds 1fr I want to create a new row. As it currently stands, the content simply overflows the column. One requirement of this layout is that the items in the right menu column are in one row. I achieve this with: ...

P粉212114661 2023-09-05 15:18:28

PHP full text search functionality using AND, OR and NOT operators

Newbie question: I'm trying to implement a full text search on a search string using php and eloquent. $searchstring="+(victimsuspect)+crime-covid";$searchresult=RssItem::whereRaw("MATCH(description)AGAINST('$searchstring'INBOOLEANMODE)")->ge

P粉076987386 2023-09-05 15:06:32

Shortest way to convert all PHP types to string

I'm writing a general system that I hope can one day be applied to fields like medicine (i.e. it's "scientific"). I think the best way is to represent all the data in php with strings (true will be "true", false will be "false" and so on). The reason for this is that in...

P粉369196603 2023-09-05 15:34:44

How to get average of DATETIME column in MySQL while grouping by other columns

I'm creating and populating a MySQL table using the following query: SETtime_zone='+00:00';CREATETABLEtimestamp_n_datetime(idINT,timeDATETIME,avg_timeDATETIME);INSERTINTOtimestamp_n_datetime(id,time,avg_time)VALUES("1","2023-01-0310:

P粉460377540 2023-09-05 11:46:21

Multi-device (mobile phone) synchronization - React Native

I'm trying to create a Lightshow that will launch on all users' mobile devices at the same time (can have up to 2000-3000 users). All users will use the Internet (Wi-Fi or mobile data). In our FE we use Apollo for subscriptions and it works like a charm. But the problem is, user A can get subscribed...

P粉151466081 2023-09-05 11:58:38

Spades, Diamonds, Hearts, Clubs => styles do not change font color in Chrome for Android

In Google Chrome on Windows, the card suit symbols (spades, hearts, diamonds, clubs) are colored correctly using the "style" attribute. Unfortunately, the same page displayed in Google Chrome on Android does not display the colors I defined but uses the default black and red. (See the atta...

P粉896751037 2023-09-05 15:25:13

How to hide mui TextField label?

I'm developing a Nextjs app and I have a dashboard navigation bar built with mui that contains a notification that opens the notification box, which is built with regular HTML and CSS. dashboard-navbar.js: importNotificationBoxfrom"./notification-box/notification-box";//...exportconstDashb...

P粉239164234 2023-09-05 15:41:00

Custom Bootstrap 5 carousel on mobile (multiple items, but not in one row)

I'm having trouble trying to customize the carousel layout on mobile devices. I want it to show every item of the carousel on mobile instead of just one, but after trying with some CSS and JS, especially using displayfloat or max-witdh I'm just starting to think this isn't possible, Or I don't know ...

P粉763662390 2023-09-05 11:53:56

How to use Firebase Authentication with multiple login methods and role-based authentication?

I am creating a react.js application with nodejs as backend and I want to use these authentication methods to login using email/password, login using google and login using phone, now I want to keep the uniqueness of the user while signing the user's name for Any of these, I will also get other deta...

P粉574695215 2023-09-05 12:18:10