crawled website anti-crawling updated, when IP visits too much, there will be the problem of CAPTCHA, but the link to the picture is in the form of H5 blob, I do not know what way to download the picture, ask God to give an idea or feasible plan! t...
img, if the width is set to 100%, the picture will become blurred. It is clear when it is set to a fixed width. for example, the width of a picture 1920px: code will make the image compressed more blurred. so that the fixed width is not blurre...
now there is an empty div on the page. I insert a html into it with js, and then get the height of the div. I find that sometimes the height of the div is not accurate. What can you do to solve it? ...
when learning vue, I want to trigger a function when the data changes, so I write it in double parentheses and find that it can be executed when the data changes, as follows: {{f()}} 2 <input v-model="a"> data:{ a: 1 , b: 2 ...
problem description: use php to collect data from foreign websites for testing. The data is saved in txt format and stored on the server. When you need to access it, use php to read the data in txt and return it to the user. when the server is running...
public String save (@ RequestBody @ Valid Stad stad) there is no problem when there is only an object. Now, when saving the object, there is still a file to upload at the same time. because the object encapsulates json in the data, can I convert the...
does anyone have an e-book called "css Artisan s door "? No resources can be found on the Internet. can you share it? thank you on your knees! ...