Sum of L1-009 N numbers (20 points)

Sum of L1-009 N numbers (20 points) The requirement of this question is very simple, that is to find the sum of N numbers. The trouble is that these numbers are given in the form of rational numerator / denominator, and the sum you output must also be in the form of rational number. Input format: Enter the first line to give ...

Posted by bubblybabs on Sat, 07 Dec 2019 20:52:38 -0800

Building a project with gulp

I. environmental preparation 1.1 introduction to gulp gulp is a front-end automatic construction tool based on the file flow of node.js. It can be used to build automatic workflow and simplify workload Official definition: build system based on file flow Core files: gulpfile.js and package.json gulpfile.js: task script package.json: task con ...

Posted by wee_eric on Sat, 07 Dec 2019 20:45:11 -0800

LeetCode problem solving note 1 -- sum of two numbers

In this paper, two non empty linked lists are given to represent two non negative integers. Their respective digits are stored in reverse order, and each node can only store one digit. If we add the two numbers together, we will return a new linked list to represent their sum. You can assume that neither of these numbers star ...

Posted by pilau on Sat, 07 Dec 2019 19:58:50 -0800

Memo mode of design mode

scene Protect the integrity of the saved state of these objects and the internal implementation from being exposed You need to store the state externally on the premise of getting the state. So that at some point, you can restore your previous state. role There are three conventional roles: Originator: primitive state class Memo: a specific ...

Posted by omelin on Sat, 07 Dec 2019 19:08:52 -0800

Coin station log 1 -- Python 3 crawler crawling blockchain news

Coin station log 1 -- Python 3 crawler crawling blockchain news Blockchain is very popular recently, so I want to be a news crawling and analysis type media website. I can do it as soon as I say, but I always need a data source to be a media website. Where does the data source come from? I'll write this thing later. First, crawling... Anyway, ...

Posted by sotusotusotu on Sat, 07 Dec 2019 19:02:41 -0800

How Mybatis works

Objectives of this paper: Using the pure Mybatis framework to obtain data; Clarify the working process of Mybatis. Create project and run First, create maven project, and the process will not be repeated. The dependence is as follows: <dependencies> <dependency> <groupId>org.mybatis</groupId> <artifa ...

Posted by samsolomonraj on Sat, 07 Dec 2019 18:48:51 -0800

If the php script execution process does not exit within 30 minutes, kill these php script processes

The online script content is as follows:[root@localhost ~]# cat /data/scripts/check_php.sh #!/bin/bash Date=`date "+%Y-%m-%d %H:%M:%S"` Num=$(ps -ef|egrep "countjs_syc_site*|countjs_syc_plan*|countjs_syc.php|countjs_syc_img*|setcache*"|grep -v grep |wc -l) Pid=$(/bin/ps -ef|egrep "countjs_syc_site*|countjs_syc_plan*|countjs_syc.php|countjs_ ...

Posted by billf2007 on Sat, 07 Dec 2019 18:48:28 -0800

Variables and function return values in Python functions

1. Variable of function Local and global variables: Any variable in Python has a specific scope Variables defined in a function can only be used inside the function, and those variables that can only be used in specific parts of the program are called local variables Variables defined at the top of a file can be called by any function in the fi ...

Posted by cactus on Sat, 07 Dec 2019 18:27:45 -0800

Configuration and common problems of jeecg code generator

Take mysql for example: diver_name=com.mysql.jdbc.Driver url=jdbc:mysql://192.168.*.*:3306/car?useUnicode=true&characterEncoding=UTF-8&useSSL=false username=root password=dp@ssord database_name=car jeecg_config.properties #code_generate_project_path project_path=D:\\SourceProject\\car #bussi_package[User defined] bussi ...

Posted by invinate on Sat, 07 Dec 2019 18:16:37 -0800

Advanced chapter: dockersurm of docker adjusts micro service and service configuration (29)

>Original article, welcome to reprint. Reprint please indicate: reprint from IT people's story meeting Thank you!>Original link address: Advanced chapter: dockersurm of docker adjusts micro service and service configuration (29) Last time, the swarm cluster environment has been set up. There are three virtual machines, server01, server0 ...

Posted by aclees86 on Sat, 07 Dec 2019 18:12:34 -0800