10 recommended articles about VR

This article mainly introduces how to resize partitions in Linux without loss. The editor thinks it is quite good. Now I will share it with you and give it as a reference. Let’s follow the editor and take a look at the situation: home: 500Groot: 50Groot partition is not enough. Idea: divide part of the space of the home partition into the root partition # Set the size of the home partition to 200G and release 300G space. $ lvreduce -L 200G /dev/centos/home # Expand free space to root partition $ lvextend -l +100%FREE /dev/centos/root # Use the command set that comes with the XFS file system to increase partition space $ xfs_growfs /dev/mapper/centos-root instance situation is mounted in the root directory partition /dev/mapp

1. Detailed introduction to partition size

Introduction: This article mainly introduces how to resize the partition losslessly in Linux. The editor thinks it is quite good. Now I will share it with you and give it as a reference. Let’s follow the editor to take a look at the situation: home: 500Groot: 50Groot partition is not enough. Idea: allocate part of the home partition space to the root partition # Set the home partition size to 200G and release 300G space $ lvreduce -L  ;200G /dev/centos/h...

2. Detailed introduction to lossless adjustment

Introduction: This article mainly introduces how to resize the partition losslessly in Linux. The editor thinks it is quite good, so I will share it with you now and give it as a reference. Let’s follow the editor to take a look at the situation: home: 500Groot: 50Groot partition is not enough. Idea: allocate part of the home partition space to the root partition # Set the home partition size to 200G and release 300G space $ lvreduce -L  ;200G /dev/centos/h...

3. Why JavaScript will also conquer the VR world

Introduction: This article should have appeared 2 months ago, but I never had enough motivation to write it. Until, I was playing Zhihu recently and saw a similar problem. In addition, this is a boring short vacation, so I wrote this article. This article is divided into four parts: Basic knowledge: 3D world and quaternions A Hello, World application - advanced example Since I have only played the company's Oculus DK2, this article is based on DK2. In fact, it is very simple to use JavaScript to use VR programs: ..

4. 6 possible development trends in the front-end field in 2017

## Introduction: 2016 is a year of rapid advancement in front-end technology, especially HTML5 technology, coupled with various types of AR , The emergence of VR technology has suddenly made the front-end market hot. This is not an accidental phenomenon. It is the inevitable result of people's pursuit of higher-quality front-end display effects after consumption upgrades, and enterprises' pursuit of lighter weight and efficient development efficiency. So, in which areas will front-end technology be widely used in 2017? What kind of imagination does it bring? But what is certain is that the browser, as the operating platform for front-end programs, will inevitably have more imaginations as front-end technology matures. Let’s follow Ouven, an engineer from Tencent, to experience it in advance:

5. Initial introduction to web-side VR

Introduction: The most exciting topic in the technology world in 2016 is how VR will change the world. Some movies have begun to get involved in VR, allowing users to not only see 3D images, but also be immersed in the scene using the technique of "transformation", bringing an unprecedented immersive viewing experience; in addition, the gaming field has also begun to become VR. , users no longer have to endure a single scene in a game package. These cool effects bring huge space for imagination, and VR is approaching people's lives. However, the reality is that apart from occasionally experiencing the wonders of black technology, VR has not really become popular. Behind the enthusiasm of capital and hardware manufacturers, doubts are also rising one after another.

6. MYSQL learning summary (2): MYSQL startup and shutdown

Introduction: Summary: The above three methods are similar. I personally feel that mysql.servre also calls mysqld_safe to start mysql. Generally, I use root permissions to start or stop. ...

7. Solution to the problem of returning a sequence number array after sorting a two-dimensional array

Introduction: package com.cdl.matrix; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.List; / ** *@source:http://blog.csdn.net/justinavril/archive/2009 ...

8. Multiple systems share one WeChat official account. When uploading pictures, it will return that the access_token has expired. How to solve it?

Introduction: Multiple systems developed need to call the same WeChat official account, but when uploading pictures, s:110:"{"errcode":40001," will appear. errmsg":"invalid credential, access_token is invalid or not latest hint: [J3U7wA0390vr31!]"}"; error, you have...

9. linux changes The owner or group of the file or directory

##Introduction: During the ftp upload process, if you use sftp mode After uploading a file while logged in as root, it prompts that there is no permission when uploading it using ftp. The reason is because the file has been entered as the root user. How to restore the permissions of the www user in ftp? Then the chmod command will be used. Let’s first understand the chmod command: chmod [-cfhvR] [--help] [--version] user[:group] file... Parameter description user The user of the new file owner ID group new file

10. Keepalived+nginx realizes dual-master high availability load balancing

Introduction:: This article mainly introduces Keepalived+nginx to achieve dual-master high-availability load balancing. Students who are interested in PHP tutorials can refer to it.

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