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] => ...
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