2.1 definition of time complexity
2.2 comparison of time complexity
3, Test class
3.1 program structure
3.2 test tools
3.3 definition of sorting algorithm interface
3.4 implementation of various sorting algorithms
3.5 main test procedure
3.6 test analysis
4, Write at the end
In the proces ...
Posted on Fri, 05 Jun 2020 22:47:00 -0700 by AliasXNeo
Ansible common modules and cases
File module: create a directory or file for the target host, and give permissions
- name: create a file
file: 'path=/root/aaa.txt state=touch mode=0755 owner=foo group=foo'
copy module: file transfer from ansible to target
- name: copy a file
copy: 'remote_src=no src=roles/testbiox/foo.sh ...
Posted on Thu, 04 Jun 2020 09:22:46 -0700 by impulse()
Single page apps you should know
What is a single page application?
single page web application (SPA) is an application with only one Web page. A Web application that loads only a single HTML page and dynamically updates that page when the user interacts with the application. React and Vue are the main front-end frameworks for building singl ...
Posted on Sat, 30 May 2020 17:41:20 -0700 by djKale
If you often look at the source code of the FCL, you will find that there are many ways to make C# faster and more powerful by using the power of C/C++, as follows:
[DllImport("QCall", CharSet = CharSet.Unicode)]
private static extern bool InternalUseRandomi ...
Posted on Thu, 28 May 2020 17:54:55 -0700 by rIkLuNd
Author: Hong bin
The person in charge and technical service director of akerson South District, MySQL ACE, is good at database architecture planning, fault diagnosis, performance optimization analysis, with rich practical experience, helping customers in various industries to solve MySQL technical problems, and providing customers in finance, ...
Posted on Thu, 28 May 2020 02:07:16 -0700 by huzefahusain
To be honest, I'm safe. I always find fault with other people's code, but sometimes it's my turn to write my own code without paying attention to security. Among them, if the security script is generally small, then the proportion of the code dealing with security problems will greatly exceed that of the business code, or if I'm ...
Posted on Tue, 26 May 2020 22:52:17 -0700 by bubblybabs
Bluetooth settings related interface, the following are several ways to open through C#to record
Bluetooth Setup Interface
1. Control panel commandsBthprops.cpl
You can use Control Panel Control+Bthprops.cplOr directlyBthprops.cpl.For more commands see: All Run Command Instructions,CMD & CPL: Shortcut System Commands and Control Panel Comma ...
Posted on Tue, 26 May 2020 11:06:42 -0700 by lamurio
Usually most of your development is submitted by local git push, and git pull is updated manually on the server.Git can be deployed automatically using a webhook.A webhook is a hook event for a warehouse platform that listens for code and calls back notifications (the notification address is the webhook address you fill out in each git warehous ...
Posted on Sun, 24 May 2020 09:52:58 -0700 by Joost
new value non-existent xfs filesystem is not valid as a default fs type
During installation, enter shell (CTL +F2)
modprobe xfs ; lsmod | grep xfs
Unable to find xfs module
It seems to be wen in pxeboot in iso
terms of settlement
Download vmlinuz again initrd.img , do not use files provided ...
Posted on Fri, 22 May 2020 09:00:53 -0700 by yaatra
How do I gracefully import settings.py configuration parameters from scrapy?You can't always use from scrapy import settings or from scrapy.settings import XXX.It doesn't look like anything.
scrapy provides a way to import settings: from_crawler
def from_crawler(cls, crawler):
server = crawler.settings.get('S ...
Posted on Mon, 18 May 2020 10:03:15 -0700 by rgriffin3838