I've written about using single thread to build proxy ip pools before, but you will soon find that it's too slow to test proxy IPS one by one with single thread. It takes a long time to finish running once and it's totally unbearable. So this article is to use multithreading to build the ip pool, which is much faster than using single thread. T ...
Posted by Kyrst on Sun, 15 Sep 2019 01:56:21 -0700
First: Five basic algorithmic questions
1. Armstrong Number
If an n-bit positive integer equals the sum of the n-th power of its digits, it is called an Armstrong number. Determine whether the number entered by the user is Armstrong.
(1) Topic analysis: Here we need to first get the number of digits, and then cut out the number of each digit ...
Posted by mattvenables on Sat, 14 Sep 2019 07:59:03 -0700
It is not difficult to climb the barrage of station b. To get all of the up master video curtains, we first go to the up master video page, that is, the up master video page. https://space.bilibili.com/id/video This page. Press F12 to open the developer menu and refresh it. There is a getSubmitVideo file in the xhr file of the network. This fil ...
Posted by malbera on Thu, 12 Sep 2019 06:41:43 -0700
Links to the original text: https://www.jianshu.com/u/8f2987e2f9fb
Below are some libraries written by Python for parsing and manipulating special text formats, hoping to help you.
Tablib is a Pytho ...
Posted by xinnex on Thu, 12 Sep 2019 02:49:36 -0700
I. Operating System
Operating system is a system program used to coordinate, manage and control computer hardware and software resources. It is located between hardware and application.
Programs are software running on the system with certain functions, such as browsers, music players and so on. The definition of the operating system's kernel: ...
Posted by iyia12co on Thu, 12 Sep 2019 02:04:50 -0700
Recently, when Baidu wants to learn Spark's newer Structured Streaming, all of them are monotonous wordcount s, which are quite speechless.You have to figure out for yourself what you can do with the Select and Filter operations of the Dataframe.Because of using Python, using Pandas, and trying to turn Pandas to process, readStream doe ...
Posted by bigphpn00b on Wed, 11 Sep 2019 16:56:03 -0700
Writing assertions using assert
Write assertions that trigger expected exceptions
Optimization of special data structure comparison
Add custom instructions for failed assertions
Details of assertion introspection
Overwrite Cache Files
To be able to assert se ...
Posted by if on Wed, 11 Sep 2019 02:04:23 -0700
## Statement: Individual learning arrangement, for reference only
Note: Identify "#", triple double quotation mark ", comment content".
Line and indentation: Statements with four spaces hanging indentat ...
Posted by ljschrenk on Tue, 10 Sep 2019 20:55:13 -0700
Links to the original text: https://blog.csdn.net/jiutianhe/article/details/39896931
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<title>Image similarity algorithm--SIFT Algorithm details - jiutianhe Co ...
Posted by JustLikeIcarus on Tue, 10 Sep 2019 05:59:04 -0700
Use and invocation
Call pytest through python-m pytest
The status code returned at the end of pytest execution
Get help information
Maximum number of test cases allowed to fail
Execute the specified test case
Execute test cases in the specified module:
Execute test cases in th ...
Posted by wiggly81 on Tue, 10 Sep 2019 01:46:54 -0700