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Scrapy redis distributed crawler crawling Douban movie details page
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Samba overview Samba is a free software to implement the SMB protocol on Linux and UNIX systems, which consists of server and client programs. SMB (S...
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Spring boot integrates Ehcache Spring boot integrates spring dataredis I. spring boot integrates Ehcache 1. Import related maven dependencies <pro...
Example code of message board function implemented in PHP
The example of this paper shares the realization idea of php message board for your reference. The specific content is as follows: 1. Create a file na...
Talk about deadlock analyzer of elastic search
order This paper focuses on the deadlock analyzer of elastic search DeadlockAnalyzer elasticsearch-7.0.1/server/src/main/java/org/elasticsearch/monito...
PHP method of generating order number
The first way to generate unique order number in PHP PHP code $str = date('Ymd') . str_pad(mt_rand(1, 99999), 5, '0', STR_PAD_LEFT...
Traversal of P3961 graph in Luogu
Source of topic There are many ways to do this problem. I'll just mention one here It's the Archmage. Reverse edge building can be used, sta...
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The domain name link is blocked by wechat, that is, it cannot be opened in wechat environment. You need to click the top right corner to select a bro...
Deep optimization of apache working mode, ab stress test, apache directory attribute
ab pressure test Apache has its own stress testing tool ab, which is simple and easy to use. It can simulate various conditions to make a test reques...
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if if conditional statements in Go do not need parentheses. A variable can be declared in conditional statements. Any variable declared here can be us...
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The Dump file is the memory image of the process, which can save the execution state of the program to the Dump file through the debugger. The Dump f...
Mycat distributed database architecture solution -- details of schema.xml
Echo editor, welcome to reprint, reprint please state the source of the article. Welcome to add echo wechat (wechat: t2421499075) for communication an...
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Use python to call the pinpoint interface to implement the pin alarm. 1. When the application monitored on the pinpoint is called incorrectly and the...
Python homework 5 - Zhu Mingquan
Exercise 1: read in the file pmi_days.csv, and complete the following operations:1. Count the days corresponding to the quality level, for example:Exc...
Introduction to mybatis Series II - configuration (mybatis source Chapter)
Note: reproduced from Nan Ke Meng In the previous article, "getting started with Mybatis series (I) - Introduction to Mybatis", a Demo was w...
HDU2023 average - biaobiao88
Title Link: http://acm.hdu.edu.cn/showproblem.php?pid=2023 Average performance Problem Description Suppose that there are n (n < = 50) students in ...
A complicated socket program under Windows
In the previous section, I demonstrated the socket program under Linux. In this section, I will take a look at the socket program under Windows. Othe...
How to batch insert data in mysql with php
If I have such a table, I want to insert a lot of data into it 1 CREATE TABLE IF NOT EXISTS `user_info` ( 2 `id` int(11) NOT NULL AUTO_INCREMENT COMME...
Deep analysis of thread pool in java thread series
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Fundamentally speaking, dependency injection is not to let an object create a dependency, nor let a factory object create an object, but to turn the r...
Ranking analysis of application access regions
Application access region ranking Topic content: given Nginx AccessLog (multiple files, estimated to be about 66G) for a period of time, find the five...
iOS knowledge combing asynchronous programming - coobjc learning
Asynchronous programming is a hot topic in recent years. Today, we will talk about asynchronous programming and coobjc in iOS platform. First of all, ...