How to set non-responsive data for component instances in Vue 3?

There was a similar question for Vue2 and it was recommended to use $options. But it doesn't seem to work for Vue3. First of all, the Vue3 documentation says that $options are read-only. So when I try to initialize the tooltip in the instance when the component is mounted, I get very strange behavio...

P粉973899567 2023-08-25 23:08:24 0  1  589

javascript - Replace user avatar

There is such a requirement that users can change the displayed avatar. My idea is this: the user first uploads the avatar image, replaces the avatar image on the server, and then refreshes to display the updated image. The question is, how to upload images to the server using JS, combined with PHP ...

ringa_lee 2017-05-16 13:03:32 0  3  684

objective-c - How to adjust the size of the displayed image when loading a network image from SDWebImage

As shown in the picture: This is a screenshot of a 6s mobile phone. I put him in a UIImageView with a width = mobile phone screen width and a height of 210. This picture is obtained through network loading. Here I use SDWebImage. Now I want the picture to look better, my idea is to crop this picture...

滿天的星座 2017-05-02 09:29:09 0  1  841

Rich text editor - wangeditor+plupload+php uploads local images, and the images are loaded as usual

The code is the code from WangEditor official document. There is no problem in uploading network images, but there is no way to load local images. There is no problem with uploading screenshots and pasting images to the upload page, but there is an error in the display of locally uploaded images. Af...

PHP中文网 2017-05-16 13:02:17 0  1  687

Create diverse card layouts using a single grid or Flex: a practical guide

I'm trying to make a responsive card layout like the one pictured. What I'm currently doing is creating separate layouts for computers, tablets, and mobile devices. Then with the help of media query, I set the display property of the other two views to display:none. For example: If I'm in Computers ...

P粉808697471 2024-04-02 21:07:36 0  2  512

How do I ensure that the input field is wide enough to fully display the content?

I'm using a Vuetify textfield component in a table with many columns. Maybe the component contains too much content to display, and from a user experience perspective inspecting the content by scrolling within the field would take too much time if there are many cells. Pure HTML Example Vuetify Exam...

P粉014218124 2023-09-02 22:36:56 0  2  564

New Title: Display Image from Firebase Cloud Storage Blob Using Vue

I'm building a product lookup repository where the user will scan a product barcode which will then return data about the product along with a picture of the product to display. Now for testing purposes I have set up a Firebase bucket and uploaded an image. I have successfully retrieved the image by...

P粉362071992 2024-02-21 11:30:43 0  2  453

javascript - Why can't I preview after taking a photo with WeChat jssdk?

When calling the WeChat interface chooseimg, in the successful callback function, according to WeChat, each ID in the local ID list of the selected photo is taken out and used as the src of the displayed image, but in fact all the IDs have been returned. But after putting it in html, the image {code...

黄舟 2017-05-19 10:35:02 0  1  714

交互式Ruby换行时字符错乱

在Win10上，在CMD中使用irb输入代码时，如果代码长度超过了CMD的宽度，就会显示出错乱的字符。下面是我输入的代码内容： {代码...} 而这里则是位置错乱的字符的截图： 在powershell中没有这个问题。我实在找不到...

我想大声告诉你 2017-04-24 16:00:17 0  1  806

javascript - What is the use of closures in practical development?

After watching the explanation of the function of closures in the video, I still don’t understand. For example, the code in the screenshot can be implemented by adding a passline parameter to the cmp function. There is no need to use closures. Who can give a better example to illustrate the role of ...

PHPz 2017-05-16 13:35:00 0  9  933

objective-c crop image - Stack Overflow

For example, I have a picture like the one above. I want to crop out the three red areas and turn them into three new pictures, and convert them into a new UIImage object or save them to the photo album. How to handle it will be easier? (The red frame is for demonstration purposes only, the actual p...

给我你的怀抱 2017-05-31 10:32:03 0  1  729

Create multiple brush charts using VueJs and Apexcharts

I'm developing an application in which I create a brush chart using apexcharts. However, I would like my brush to control multiple charts, not just one, like shown in the example. Before I start using the callback function, I'd like to know if there's an easy way to achieve this via the library, for...

P粉470645222 2023-08-26 20:17:05 0  1  552

Making buttons that adapt to screen size - detailed explanation of how to use background images

I'm developing a pfsensecaptiveportal that requires multiple graphics to be displayed side by side and adaptable to the device screen size. This can be achieved nicely using the image input type. However, the pfsense device does not recognize this commit correctly. It requires a commit type with a v...

P粉345302753 2023-08-16 13:38:12 0  1  626

How to fix pixelated background images on Chromium-based browsers?

On Chromium-based browsers, a reduced image used as a background-image will be pixelated and will look blurry when displayed using an <img> tag. Is there a way to change the rendering style of the background image so that it looks like it is displayed in the label? I tried the image-rendering ...

P粉549412038 2024-03-19 21:10:42 0  1  381

flex css - clip element after certain height instead of wrapping

The borders represent static height and width. I want item 5 and 6 to stay on the second row and cut off item 3 and 6 instead of wrapping a third time as shown. How can I achieve this with Flex? To complement this problem, the width of the container (displayed with a border) can be resized by user a...

P粉785957729 2024-04-01 14:02:02 0  1  514

Chartjs legend still not visible even after setting it to true

I'm relatively new to ChartJS and I'm looking for a way to display labels on my donut chart. I tried setting the visibility of the legend to true in the options but still doesn't work. vardata=[{data:[successfulBuildsCount,failureBuildsCount],labels:["success","failure"],backgrou...

P粉595605759 2023-09-14 18:38:17 0  1  567

Using tags to force direct layout in VEGA

I'm trying to create a network diagram in VEGA using a force-directed layout that displays labels for each node. A possible approach is mentioned in this question. By referring to the Vega editor, we can observe that the labels are present, but there are some overlapping and visual clutter issues. S...

P粉882357979 2024-02-26 18:46:59 0  2  411

Laravel: Show authenticated username in redirect status message

I want to include the authenticated username when the user logs in and the application redirect the user to the applicable page. In this specific example, the user will be redirected to their authenticated home page and the status message should read "Welcome back, {{Name}}" The current me...

P粉377412096 2023-09-16 13:45:05 0  2  864

How can I get the complete list of all book categories in the table?

I have a "Books" table like this: I'm trying to make a SpringBoot application where all these books are listed, but you can filter them by category. To do this, I want to display a list of each category so the user can click on the category they want. What's a better way to get a list of t...

P粉681400307 2024-03-28 19:11:27 0  1  351

What are the best practices for displaying version information in web applications?

I'm developing a web application. What are the best practices for displaying version information in web applications? I'm using semantic versioning and I already have semver like 1.2.0 but I'm curious where is the best way to display it and how to manage it. What I'm thinking about: storing the vers...

P粉323374878 2024-04-06 19:13:16 0  2  700