Python crawler: a detailed explanation of crawling and recognition of verification code

Today, I want to introduce the crawling and identification of verification code, but it only involves the simplest graphic verification code, which is also a common type now. Running platform: Windows Python version: Python 3.6 IDE: Sublime Text Other: Chrome browser Brief process: Step 1: briefly introduce the verification code Step 2: crawl a ...

Posted on Wed, 27 May 2020 07:49:24 -0400 by AndrewJ1313

Copy and reference assignment of PHP array

1, When PHP array variable $arr is assigned to another variable $one, the whole array variable $arr is copied to $one, even if $arr is a multidimensional array. Example: $arr = array(1, 2, 3, array('one', 'two')); $one = $arr;# Output original array $arr print_r($arr);  # Array ( [0] => 1 [1] => 2 [2] => 3 [3] => Array ( [0] =&gt ...

Posted on Fri, 01 May 2020 15:53:53 -0400 by FoxhoundX

Go language environment configuration Sublime Text+golang+gocode+margo

1, Install git Because git is needed to install gocode and margo later. git installation tutorial Here 2, Install golang Official download address: go official download If I can't get in, I'll find it on the Internet. It's good to find it. I choose go1.4.2.windows-amd64.msi, download it to the speci ...

Posted on Thu, 12 Mar 2020 00:01:14 -0400 by konetch

The use of DDR3 IP core in Xlinx ISE

Loop test of DDR3 based on mig IP in ISE Project brief Brief description of MIG interface Read and write timing of MIG IP Read write cycle code of MIG IP Read write cycle test code of MIG IP simulation result summary Project brief The description of the project is that FPGA writes data to DDR3 c ...

Posted on Sat, 22 Feb 2020 07:14:22 -0500 by FVxSF

The use of ICAP primitives in FPGA -- the implementation of Multiboot function

Use of ICAP primitives First, gossip Introduction of ICAP primitives Introduction of ICAPE2 primitive Code of ICAPE2 primitive Verification Concluding remarks First, gossip I haven't blogged for a while, because I went home from school. Now is the prevalence of pneumonia, not to add trouble to t ...

Posted on Thu, 30 Jan 2020 04:29:49 -0500 by frih

Wechat applet - add map, click on map and customize map

Catalog 1. summary 1.1 development tools 1.2 development framework 1.3 version number 2. Add map 3. Mapping 4. Personalized map 4.1 ability to apply for personalized map 4.2 add applet personality map 4.3 custom map 1. summary 1.1 development tools Wechat developer tools, sublime, git ...

Posted on Wed, 15 Jan 2020 03:56:45 -0500 by pinehead18

. gitignore excludes folders, but includes specific subfolders

I have the folder application / I add to. gitignore. In the application / folder is the folder application/language/gr. How do I include this folder? I've tried application/ !application/language/gr/ No luck #1st floor @Chris Johnsen's answer is good, but for the newer version of Git (1.8.2 or later), you can use the double star ...

Posted on Tue, 17 Dec 2019 02:52:12 -0500 by loquela

Using CodeMirror to implement Python 3 online editor

I. page preparation It mainly introduces the relevant css files and js files. Here, it uses the form of simple insertion of link and script tags. <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv="X-U ...

Posted on Sun, 08 Dec 2019 21:57:33 -0500 by man12_patil3

ES6 foundation - extension of ES6

String extension, regular extension, numerical extension, function extension, object extension, array extension. Development environment preparation: Editor (VS Code, Atom, Sublime) or IDE (Webstorm) Browser's latest Chrome String extension: Template string, some new methods, new unicode representation and traversal methods: Some new string met ...

Posted on Mon, 25 Nov 2019 04:54:50 -0500 by antileon

Object-Oriented Special Members of Python Full Stack Road Series

call of special members of a class #!/usr/bin/env python # _*_coding:utf-8 _*_ class SpecialMembers: # Class Construction Method def __init__(self): print("My Blog is Url: http://ansheng.me") # Object Construction Method def __call__(self): print("My Name is: Ansheng ...

Posted on Wed, 02 Oct 2019 12:14:06 -0400 by tycoon79