Introduction to Python crawler 33-100 "king of the sea" review data grabbing

1. Analysis before crawling of review data of Haiwang Haiwang was shown, and then the word of mouth exploded. For us, there's another movie that can be climbed and analyzed. It's so beautiful~ Excerpt a comment Just after watching zero field, Director Wen's movie has been very good, whether it's speed 7, chainsaw or soul summoning. Fighting ...

Posted by piet123 on Fri, 06 Dec 2019 22:20:22 -0800

How to judge whether the page is pc or mobile and enter different pages

vue judges whether pc or mobile end enters different pages respectively The mobile terminal code is determined as follows: function IsPC(){ var userAgentInfo = navigator.userAgent; var Agents = new Array("Android", "iPhone", "SymbianOS", "Windows Phone", "iPad", "iPod"); var flag = true; for (var v = 0; v < Agents. ...

Posted by neuro4848 on Fri, 06 Dec 2019 16:02:03 -0800

[Java instance] use thumbnail to generate thumbnails (zoom, rotate, crop, watermark)

1 demand Cousin needs to sign up for the exam for his son. The system requires uploading no more than 30KB of pictures. Now the mobile phone is just a few MB of pictures. How to get a picture of only 30KB? A simple way is to reduce the size of the picture on the computer, and then screen capture small pictures, but now the computer screen resol ...

Posted by sulin on Fri, 06 Dec 2019 09:09:54 -0800

leecode: move zero

leecode (8) - move zero Mobile zero Description: Given an array of nums, write a function to move all zeros to the end of the array while maintaining the relative order of non-zero elements. Example: Input: [0,1,0,3,12] Output: [1,3,12,0,0] Explain: You must operate on the original array. You cannot copy additional arrays. Minim ...

Posted by timvw on Fri, 06 Dec 2019 03:40:40 -0800

Preview of camera+TextureSurface at the beginning of live video

Today, I'll talk about using camera interface and TextureSurface to preview First look at xml: <?xml version="1.0" encoding="utf-8"?> <android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com ...

Posted by driverdave on Fri, 06 Dec 2019 03:19:57 -0800

Front end CSS: 4 × CSS small fire to achieve warmth

introduce Original linkThanks comehope Big man's [front end daily battle] Effect preview github.io browse Source code address https://github.com/shanyuhai1... Code interpretation 1. First, complete the html structure <figure class="container"> <section class="stars"></section> <section class="fires"></section&g ...

Posted by neoboffins on Thu, 05 Dec 2019 21:41:53 -0800

You know the six most common layouts for Android development?

There is a good analogy on the Web: Layout is like a frame in a building. Components are arranged in order according to the layout requirements, which makes up a beautiful interface for viewing. Layout type 1. LinearLayout (Linear Layout) A linear layout arranges the child elements (which can be controls or layouts) in a horizontal or vertical ...

Posted by JoCitizen on Thu, 05 Dec 2019 20:27:22 -0800

Mobile custom scroll bar

In the development of mobile terminal, in order to prevent the click through behavior, we sometimes block the default behavior of the browser. At this time, we need to customize the required browser behavior. This article introduces the scroll bar of the customized browser. Default behavior of mobile browser The default behavior of browser m is ...

Posted by jdwmk on Thu, 05 Dec 2019 13:24:15 -0800

Android embedded solution

I. event realization principle: ① View set AccessibilityDelegate ② when the View generates click, long click and other events, it will respond to the original Listener method ③ after the response of the original Listener method is completed, forward the message to the AccessibilityDelegate in the sendAccessibilityEvent method ④ handle the ev ...

Posted by niall_buckley on Thu, 05 Dec 2019 12:02:07 -0800

vue integrates pdfjs to realize pdf file Preview

background The preview of pdf file format is required on the project. Analysis pdf file browser can be opened directly. So you only need to return the file stream of pdf file to preview the file directly. Open in this way, the whole page is full of pdf file content. The requirement is to add a specific title format to the page when ...

Posted by dhcrusoe on Thu, 05 Dec 2019 10:21:39 -0800