Spring is known to people who have done java development, but even if they don't know it now, they will gradually know that because of its huge size and many modules, I will introduce the Spring MVC that is used in business development (90% of people are doing business development after years of experience).
First, let's look at how Sp ...
Posted on Fri, 03 Apr 2020 23:20:09 -0700 by papaface
Recently, I encountered a case of crontab timing task not executing in linux. I'd like to share it with you to avoid stepping into the pit I encountered.
Post the script first
In order to facilitate the display, the script has been written into the parameter
# 1 output file to log for example: bg
# 2 the dest ...
Posted on Thu, 02 Apr 2020 15:24:01 -0700 by playa4real
Hard link: it is equivalent to multiple entries of the file. Its function is to back up the file, create a snapshot, etc
Soft link: a shortcut equivalent to windows
ln option source file destination file
-s: Create soft link
1. Create a hard link:
ghostwu@dev:~/linux/cp$ ls -l
Posted on Thu, 19 Mar 2020 09:18:47 -0700 by Megienos
Audio and video series 4: how to get started with ffmpeg for beginners (taking FLV decoding H.264 as an example)
Run demo directly
Tutorial of ffmpeg Library
Learning of professional knowledge
Look at the source code of ffmpeg
Give an example
Find API documenta ...
Posted on Mon, 16 Mar 2020 23:17:02 -0700 by danrah
The elastic search version is 5.5.0. The following is the main core process, ignoring the exception compensation part
Preview the starting process of elastic search in the way of code flow
Posted on Sat, 07 Mar 2020 21:23:53 -0800 by Michael 01
0. Interception Order
1. Filter Filter
You can get information about the original http request and response
But no information about the requested method was available.
import java.util.Date ...
Posted on Sun, 01 Mar 2020 09:30:59 -0800 by maxpagels
This experiment environment is RedHat 7.0 system
Logical volume manager is a mechanism used by linux system to manage hard disk partition. The original intention is to solve the problem that hard disk device is not easy to modify partition size after creating partition. It provides an abstract volume group, which can combine multiple hard disk ...
Posted on Tue, 25 Feb 2020 03:34:33 -0800 by Zyxist
For more detailed and comprehensive tutorials, please watch the video tutorials recorded by the author. Address:
https://edu.51cto.com/sd/9cb7fLKADocument video tutorial
Today, with the separation of front and back ends and more detailed division of labor, in order to reduce the communication cost of front-end and back-end deve ...
Posted on Thu, 13 Feb 2020 00:42:05 -0800 by dethknite
Now that you have learned to modify the file, submit the modification to Git version library. Now, practice again. Modify the readme.txt file as follows:
Git is a distributed version control system.
Git is free software distributed under the GPL.
Then try to commit:
$ git add readme.txt
$ git commit -m ...
Posted on Sun, 09 Feb 2020 20:36:26 -0800 by Ice
3. Online learning interface3.1 demand analysisAccording to the business process below, this chapter completes the front-end learning page to request the learning service to obtain the course video address, and automatically plays the video. 3.2 build development environment3.2.1 create databaseCreat ...
Posted on Fri, 07 Feb 2020 07:37:38 -0800 by if