lazy-img | DISCONTINUED - A minimal , fast and powerful image lazy

by davidcetinkaya JavaScript Version: Current License: MIT

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DISCONTINUED - A minimal, fast and powerful image lazy loader.

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Community Discussions

Trending Discussions on lazy-img

How do I mock the IntersectionObserver API in Jest?

Bundler & Minifier generating "Object reference not set to an instance of an object" error

BeautifulSoup finding children with only 'dot', without 'find()' function

Jest Mock IntersectionObserver

Webscraping bs4, cannot figure out how to get a result

Issue with div`s in Scraping with Python and Beautiful Soup

Fetching proper text from html tags using JSoup

Retrieving concrete data from String

is there a way to print (to console) and run input as Beautiful soup page extension -Python

Render html content inside *ngFor loop in ionic2/angular2 project

QUESTION

How do I mock the IntersectionObserver API in Jest?

Asked 2020-Oct-01 at 14:39

I've read all of the relevant questions on this topic, and I realize this will probably be marked as a duplicate, but I simply cannot for the life of me figure out how to get this working.

I have this simple function that lazily loads elements:

...

ANSWER

Answered 2020-Oct-01 at 14:39

Mocking stuff is so easy when you pass it as an argument:

Source https://stackoverflow.com/questions/64157285

QUESTION

Bundler & Minifier generating "Object reference not set to an instance of an object" error

Asked 2020-Apr-09 at 10:58

I trying bundle and minify my CSS and JS files in ASP.NET Core 3.0 with BuildBundlerMinifier.Core. Also Installed Bundler & Minifier extension for Visual Studio 2019.

When I try Debug the project, it working correctly without error but when I rebuild it, I'm getting the following error;

Object reference not set to an instance of an object

I don't get an error when restart Visual Studio and I can debug the project again but If I rebuild it again, I'm getting the error.

It's bundleconfig.json file

...

ANSWER

Answered 2020-Apr-09 at 10:58

The project has BuildBundlerMinifier and BuildBundlerMinifier.Core. I removed BuildBundlerMinifier from nuget and now it works.

Source https://stackoverflow.com/questions/61117675

QUESTION

BeautifulSoup finding children with only 'dot', without 'find()' function

Asked 2020-Mar-28 at 17:14

I'm trying to initiate specific element to a variable, without using 'find()' or findAll()' function, just with BeautifulSoup and 'dots'. What I'm confused is the order of priority. There's a lot of 'finding children' questions using findAll() function, but there seems no 'dot' things. So finally I write this question.

Here's the example.

-----html------

...

ANSWER

Answered 2020-Mar-28 at 17:14

What you ask is well documented here: BS: navigating using tag names

The simplest way to navigate the parse tree is to say the name of the tag you want. If you want the tag, just say soup.head.

You can do use this trick again and again to zoom in on a certain part of the parse tree. soup.body.b gets the first tag beneath the tag.

Using a tag name as an attribute will give you only the first tag by that name.

If you need to get all the tags, or anything more complicated than the first tag with a certain name, you’ll need to use one of the methods described in Searching the tree, such as find_all()

(emphasis and omissions mine)

So your page_soup.div.div finds the first ever div thats inside a div - and page_soup.div finds the first ever div.

Source https://stackoverflow.com/questions/60898762

QUESTION

Jest Mock IntersectionObserver

Asked 2019-Nov-16 at 06:57

I have the following method:

...

ANSWER

Answered 2019-Nov-16 at 06:57

Your mockObserveFn.observe has not been called, because it does not exists.

probably you're getting the following error:

Source https://stackoverflow.com/questions/58884397

QUESTION

Webscraping bs4, cannot figure out how to get a result

Asked 2019-Nov-08 at 22:42

I am currently trying to scrape the title = "XFX" value from:

...

ANSWER

Answered 2019-Nov-08 at 22:42

The title attribute is under image tag not anchor tag.You can use find_all or css selector select

Source https://stackoverflow.com/questions/58774250

QUESTION

Issue with div`s in Scraping with Python and Beautiful Soup

Asked 2019-Aug-17 at 07:54

I'm learning a bit of web scraping and I'm having trouble accessing to the list I want to go address.

I tried with:

print(container.div.div)
...

ANSWER

Answered 2019-Aug-17 at 07:54

You can perform a find for that particular div from the container.

Source https://stackoverflow.com/questions/57534311

QUESTION

Fetching proper text from html tags using JSoup

Asked 2019-Jul-21 at 15:23

I want to fetch title from online bookstore. Unforunately it is fetching me something like this:

"title": "1 Jak mniej myśleć. Dla analizujących bez końca i wysoko wrażliwych"

I want to get rid of this "1", same for next books, because the next books will have 2,3,4 etc... So it should go with:

"title": "Jak mniej myśleć. Dla analizujących bez końca i wysoko wrażliwych"

I was wondering if it is possible with Jsoup or I need to think about only Java code.

Here is the fetching instruction that takes this title (I'm using for loop, that's why it looks like this)
...

ANSWER

Answered 2019-Jul-21 at 15:23

Then your problem may be solvable by simply changing

Source https://stackoverflow.com/questions/57133501

QUESTION

Retrieving concrete data from String

Asked 2019-Jul-15 at 16:20

Im trying to retrieve data-product id from the String which goes like this:

...

ANSWER

Answered 2019-Jul-14 at 21:06

You can use jsoup for Java - it is a library for parsing HTML pages. There are a lot of other libraries for different languages, beautifulSoup for python.

EDIT: Here is a snippet for jsoup, you can select any element with a tag, and then get needed attribute with attr method.

Source https://stackoverflow.com/questions/57030899

QUESTION

is there a way to print (to console) and run input as Beautiful soup page extension -Python

Asked 2019-May-27 at 23:40

background:

I am learning about web scraping and decided to use python and beautiful soup to scrape, this program will ask the user for a link and will narrow down their HTML search in the webpage.

problem:

When I ask the user to define their own extension for soup page( EX .div.div.a ) and I append this to the whole string and try and execute it in a print function it always returns None. How would I go about running the extension and printing it from the gathered user input? for this example, I am scraping a Newegg search for graphics cards.

example link:https://www.newegg.com/Video-Cards-Video-Devices/Category/ID-38?Tpk=graphics%20cards

keep in mind from the code below, I had already used findAll for div class="item-info", so it would be searching the extension in that code block.

I have already tried exec() the string but this does not seem to work
...

ANSWER

Answered 2019-May-27 at 23:40

If container is your BeautifulSoup object, then eval('container.a') will return a list of all the tags. Using eval or exec is probably not a good idea in your case, however, see Why should exec() and eval() be avoided?
I recommend using find_all and its attrs parameter instead, though parsing the input will probably turn out to be a good deal harder than you currently anticipate.

Source https://stackoverflow.com/questions/56333131

QUESTION

Render html content inside *ngFor loop in ionic2/angular2 project

Asked 2017-Jan-25 at 13:02

in a ionic2 project I need to render some html content inside a tag in a *ngFor loop.

here my template:
...

ANSWER

Answered 2017-Jan-25 at 13:02

Use innerHTML:

Source https://stackoverflow.com/questions/41852238

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