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It is invalid to change the data-src of the video to src by crawling Wechat's official account article.
the article on Wechat s official account crawled through python at the backend found that the video in the article could not be played, and the video was nested in iframe, as shown in
<iframe class="video_iframe" data-vidtype="2"...
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Form submission combined with ajax?
formajax
sendcodephone_numNoneurl
...
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Django api returns 403 {"detail": "CSRF Failed: CSRF cookie not set."}
the API, I wrote by calling django through PUT is good on postman, but when I call API through axios, I return 403. response is { "detail ": "CSRF Failed: CSRF cookie not set. "}, in django, I have commented CSRF
but it s still useless, ask for...
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How to implement top n problem with JavaScript? For example, most_common () of python
We know that the collections of the python built-in module has a lot of useful operations. for example:
from collections import Counter
-sharp
-sharp top n
user_counter = Counter("abbafafpskaag")
print(user_counter.most_common(3)) -sharp[( ...
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Capitalization of the first letter of a string in the python list
The problem originates from the chapter in map reduce in Liao Xuefeng s python tutorial. Use functions and map, to capitalize the first letter of the string in the list , and then return the list .
Link
the initial code is, for in iteration, and...
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Whether the data transmitted by socket needs to be encrypted
whether the data transmitted by socket needs to be encrypted ...
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On the problem of obtaining data by ajax
first of all, when the user logs in, I want to display the user s information and get the data in the profile_ajax view. This corresponds to html html
formuid
. Here is the problem. I click here to view the details. Will the ajax of html not enter th...
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How does django receive json data from post?
how to use js post to django data in django to receive JS similar to this
str = {"student":[{"number":"0","name":"a"}]} ;
obj = JSON.parse(str);
look at the data in chrome like this
[student][0][...
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Flask cannot get ajax send post data
flask cannot get ajax send post data var data1= {
name : kikay ,
} var data = JSON.stringify (data1) ajax ( POST , http: localhost:5000 login ,null, data1, function (r) { console.log (data,r.status,r.response) }) send ajax @ app.route...
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There is a small problem encountered in data analysis and data extraction. The newcomer is looking for an answer.
Today, I was working on a machine learning project and encountered a small problem. I want to extract a column of data using the regular expression and then run it and find that there is no name1 data. This symbol is very puzzling for the Great God s ...
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Ionic project npm install reported an error gyp err! Configure error
how to solve it, gods!
...
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Can't React add click events to child components?
problem description
render () {
return (
<div onClick={()=>{alert(1)}}>
<div onClick={()=>{alert(2)}}>Hello< div>
<NavLinkBar onClick={()=>{alert(3)}} data={navList}>
< NavLinkBar>
< di...
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Does the browser use jQuery Ajax to get the server Datagram Provisional headers are shown error?
problem description
try to do a hands-on project after learning the Flask framework. The function is to collect and use the hash decryption API exposed on the network to obtain plaintext when the server data is obtained through jQuery.get (), it is f...
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Python+selenium found that the password entry box display:none, of the login window caused an error when writing the script.
< H1 > Writing application automation scripts selenium.common.exceptions.ElementNotInteractableException: Message: Element < input id= "showPwd " class= "userinput " name= "Password1 " type= "text " > is not reachable by keyboard, online search, find...
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The incomprehension of the scope of python and js variables
I have just learned python and encountered some problems about the scope of variables, as follows:
the following is not very clear
var a = 3
const f = () => {
a += 4
console.log(a)
}
a() 7
f() 7
in js , you can not only access gl...
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The Python selenium chrome crawler seems to have been recognized. How else can it get around besides calling js?
here s the thing. I was doing exercises on the food and drug safety website and found that there was such a situation on this website. As long as you use selenium to drive chrome to do any browser operation, you can t get data .
but after opening t...
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If mac shadowsock can't be connected to win, it can be used on me. Mac suddenly can't be used today?
attach a log
14 Console 55 0x002A0027 0x0006354A 0x11111100 0x00000000 15.582676 + 0800 default [0x7fc4989de600] Created session 14 Created session 55 Console 15.582917 + 0800 Console default [0x7fc4989de600] Decoding: C0 0x002A0027 0x0006354A 0x1111...
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Logic topic, given 26! The letters are arranged (regularly), and the results of the arrangement are obtained for any number.
if there is an abc, there are 3! The order of is abc acb bac bca cab cba to any number, such as Numeric 4, output bca.
now there are 26 English letters, a total of 26! Given any number N, how to find the alphabetic column?
listen to others say tha...
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Parameter transfer problem of python decorator
problem description
I wrote a decorator with parameters, and now I need the decorator to use different parameters according to different conditions.
the environmental background of the problems and what methods you have tried
I wrote a decorator w...
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How to use runJavaScript to simulate an element of a mouse movement page in Python
question: I saw an answer before because the selenium framework was detected in the previous paragraph, and then I used PyQt5 to make a browser to implement the crawler. I now have the same problem, but the problem is that I don t know how to use Js s...