scrolling | 移动端带滚动效果的返回顶部、返回指定位置
kandi X-RAY | scrolling Summary
kandi X-RAY | scrolling Summary
移动端带滚动效果的返回顶部、返回指定位置
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of scrolling
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QUESTION
Collapsing toolbar layout and the recycler view should work together while swiping but working separately. suggest to me what to do! given below are my code and resulting gif part of my project.
the toolbar layout is not showing fully if I swipe the screen from bottom to top. the toolbar layout is closed and only return if I swipe to toolbar layout separately.
i want to toolbar layout to be in the same manner when i swipe the screen up and down.
Code of my layout
...ANSWER
Answered 2021-Jun-15 at 16:32Try this:
QUESTION
I'm trying to solve an exercise in vanilla JS but can't figure out what I am doing wrong. I would like to change to color text to red if the product price is > 300.
In the console.log I'm getting all ok but on changeColor.style.color = "red";
I'm getting this error: TypeError: Cannot set property 'color' of undefined
Also because the page has a lazy load I could I get all price change by the time you are scrolling down?
Thanks
...ANSWER
Answered 2021-Jun-15 at 14:40 var offer = document.querySelectorAll(".grocery-item__normal-price");
var price = document.querySelectorAll(".grocery-item__normal-price");
let changePriceColor = 300;
price.forEach( (price) => {
var changeColor = price.innerHTML.slice(0,4).replace(/,/g, '');
if( changeColor > changePriceColor ) {
price.style.color = "red";
console.log(price, "true");
} else {
console.log(changeColor, "false")
}
})
}
exercise_3();
QUESTION
I have a self updating list of orders that is scrollable. This is the parent component, where list is updated on a timer of 2 minutes, setup like so:
...ANSWER
Answered 2021-Jun-11 at 13:10You could try using element.scrollTop
to save the position of the scrollbar and then use the saved value to set the scrollTop property to where it was when the timed function is called.
(https://developer.mozilla.org/en-US/docs/Web/API/Element/scrollTop?retiredLocale=it - https://www.javascripttutorial.net/dom/css/get-and-set-scroll-position-of-an-element/)
QUESTION
I am trying to dynamically add items to the list in Flutter so this list runs indefinitely. (I am trying to achieve this using a ListView.builder and the Future class).
The end-effect I am seeking is an endless auto-scrolling of randomly generated images along the screen at a smooth rate (kind of like a news ticker).
Is this possible? I have been reworking for ages (trying AnimatedList etc) but cant seem to make it work!
Would love any help to solve this problem or ideas.
...ANSWER
Answered 2021-Jun-14 at 21:06In the following example code, which you can also run in DartPad, a new item is added to the list every two seconds. The ScrollController
is then used to scroll to the end of the list within one second.
The timer is only used to continuously add random items to the list, you could, of course, listen to a stream (or similar) instead.
QUESTION
I'm using LPLinkView in a tableview cell. While scrolling the reused cell initially displays the LinkProvider of the recycled cell and then changes as soon as the network call completes. I want to prepare the cell for reuse. Is there a way to set the link providers metadata to nil? (similar to imagview.image = nil)
I'll do it in the prepareForReuse function.
...ANSWER
Answered 2021-Jun-14 at 14:30You can do it like this -
QUESTION
hello I'm trying to implement 2 recycler view in one layout, one is horizontal on the top of the layout and below that is the second which is vertical, what I want is when the vertical recycler view scrolls the horizontal will remain hide until the vertical comes back to the starting position
here is the code
...ANSWER
Answered 2021-Jun-12 at 10:19postRecyclerView1.Visiblity=View.gone
recyclerViewHome.Visiblity=View.visible
QUESTION
I am not able to find answer to my question, when I am debugging my .NET 5 console app and I take a look inside the context (EF Core) I can see that it holds all database tables, when I expand such table (list of entities) I can start to scroll over that list. One of my table holds around 15 000 records, another one holds around 30 000 records... does it mean that this data is available all the time during runtime? Or is it populated while I am scrolling down the list during debugging?
...ANSWER
Answered 2021-Jun-14 at 03:24First of all, you need to understand the concept of EF (Entity Framework) as a an O/RM (Object Relational Mapper). EF enables .NET developers to work with a database using .NET objects. So to answer your questions: Database query will only occur if you have your SQL statements executed on the context either with LINQ or raw statements. So the answer is NO, the data will only available to you when you need it of course. The one on context you see through debugging is actually querying the database as you click on it. Hopefully my answer can diminish your curiosity a little. Cheers.
You may also see more details about EF Core from this source: https://docs.microsoft.com/en-us/ef/core/
QUESTION
I'm using swiper
i created this with some customization
The problem is that even if i scroll vertically, slider changes the slides.
How can i disable vertical scrolling either with CSS or JS and the package itself?
here is my code
...ANSWER
Answered 2021-Jun-01 at 18:38Add forceToAxis:true
to mousewheel
like so
QUESTION
I'm basically trying to disable the main body from scrolling when I have the main menu open. I'm hoping there's a solution without JS as I'm not too familiar with it, but don't mind with some help.
Here is my codepen, only using CSS. As you can see, the body in the background is still able to scroll when the menu is open. I need to disable that scrolling, but still be able to scroll within the menu itself. Thanks in advance!
...ANSWER
Answered 2021-Jun-13 at 17:32Here's a hack kind of way to do it without js. What I did was I made a container div for your entire content and gave it a class .contentWrap
I then added this code to your CSS:
QUESTION
I know how to preserve the action we have done on UITableView
, after scrolling back and forth.
Now Iam doing a simple UITableView
on MVVM
which has a Follow button . like this.
Follow button changes to Unfollow after click and resets after scrolling.
Where and How to add the code to prevent this?
Here is the tableview Code
...ANSWER
Answered 2021-Jun-13 at 11:07I guess your main issue is with Button
title getting changed on scroll, so i am posting a solution for that.
Note-: Below code doesn’t follow MVVM.
Controller-:
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