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android - If the layout in the picture is implemented using CoordinatorLayout, how to make the top picture change with sliding when the list is slid?

This picture and the list have an overlapping layer. If the list is under the picture, it is very easy to do. My problem now is that I don’t know how to make the list float to this position in the picture?

高洛峰 2017-06-14 10:51:33

javascript - What is the principle of loading images on Zhihu?

Initially, it's all blurry, then when within the screen view, it's in high definition. Is it loading pre-processed low-pixel images at the beginning and then displaying high-definition images? Or, is it some other method?

我想大声告诉你 2017-05-24 11:32:17

php - How to efficiently convert PDF to clear PNG

The requirement is to convert the high-definition vector PDF to PNG. After the image is enlarged, the small characters on the image can be seen clearly without being too blurry. The current solution is PHP imagick, and when setResolution is set to 500, the desired clarity can be achieved. At this ti...

过去多啦不再A梦 2017-05-16 13:01:37

javascript - How is Zhihu's image loading implemented?

See the Zhihu document. How to evaluate Visual Studio Code? There is an interesting feature on the page. Before the image is loaded, a white canvas will be displayed. Then, an image that looks like a Gaussian blur will be displayed. Finally, a clear image will be displayed. This is interesting. How ...

大家讲道理 2017-06-26 10:58:20

I have an empty space that keeps growing in size and I have no idea why

Image of the question: Image of the question If you look at the previous image, you'll see that I have a huge empty space there. When I have my normal display (around 1200 pixels) everything is fine. However, when the width is reduced, that empty space always increases and I don't know why this is h...

P粉729518806 2023-08-14 19:03:11

How to ensure that the height of all <h3> tags is consistent

I got the h3 tag. One of them is lower I tried using margin:0 and padding but it didn't work and I don't know where I went wrong. After removing align-items:center, the height was fixed, but how to make it centered in the image container without destroying the height of the h3 image.info-footer{back...

P粉121447292 2023-08-20 11:15:19

php - [WeChat] Get the material list interface, get all when getting the picture and text list? ?

WeChat’s interface for obtaining a permanent material list, the parameters are written as follows: The document states: The number of returned materials is between 1-20. I get the picture material list, no problem, I can control the returned quantity through the count parameter. But when getting the...

过去多啦不再A梦 2017-05-24 11:34:22

python - Saw a small project waifu2x based on convolutional neural network to improve image resolution on github? ?

I am new to machine learning. I would like to ask, after understanding the algorithm and related knowledge of this small project, how to write a small software like the one below and apply it in practice? ? This is the link to github: https://github.com/nagadomi/w... This is an online website for im...

学习ing 2017-06-23 09:14:51

How to align images using CSS grid?

I'm trying to build part of a website using CSS grid. I'm trying to get the list and image to stay on the same line and scale down/grow when the screen size changes. The code is pasted below. Any help is greatly appreciated. I'm wondering if the error is within my grid template. .pm{display:inline-g...

P粉463824410 2024-04-01 22:08:31

How to implement this responsive layout using flexbox

I'm making a React app that renders an xy number of cards and a single widget inside a Flex container. All cards have the same width and height, but the widget's height is equal to card height * 2 + row-gap. The width of the container changes depending on the viewport width and should visually appea...

P粉733166744 2024-02-26 19:29:01

javascript - How to solve the problem that the js part of the vscode vue file does not have the desired code prompt (non-highlighting)?

1. When vscode edits the js code in the vue file, there is no prompt when writing the js file, as shown below. There is no prompt when it is imported from other files. 2. I have tried various plug-ins and configurations, but they only solved the problem of code snippets and highlighting. Searching o...

高洛峰 2017-05-19 10:29:54

Use shrink wrap flex boxes to wrap flex items so they can be centered

I have a flexbox with packed content. How to shrink a flexbox to its content? The fundamental problem I'm trying to solve is centering the flexbox. This image describes my problem: How can I achieve this goal? Can this be achieved with pure CSS? I don't know in advance whether Flexbox will wrap to c...

P粉807239416 2023-09-13 15:26:47

I know how to cut pictures on the front end and want to learn PHP website development. I would like to ask for a complete class video of the physical class of a first-line PHP institution in Beijing.

I know how to cut pictures on the front end and want to learn PHP website development. I would like to ask for a complete class video of the physical class of a first-line PHP institution in Beijing. I learned front-end cutting at an institution before, and then became a cutter, but I didn’t have mu...

. 2017-08-28 14:28:41

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