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What is the concept of upstream branch in Git?

When introducing branches in the book "Pro git", the concept of upstream branches is mentioned. Checking out a local branch from a remote tracking branch will automatically create a branch called a "tracking branch" (sometimes also called an "upstream branch"). From her...

漂亮男人 2017-06-26 10:49:32

nginx - Are the number of requests per second and concurrency the same concept?

Windows tested the server using apache's ab -c 100 -n 1000 http://www.xxxxx.com and found that the number of requests processed per second was only 20, and the rest were waiting. Doesn't it mean that the default concurrency of nginx is very high? Or the number of requests processed per second and co...

某草草 2017-05-16 17:22:51

The concept of cross-scripting

Teacher, how do you count it as cross-script?

。 2021-05-09 17:14:02

What is the concept of right?

What is this right? I searched Baidu for a long time and my head was spinning, but I didn’t understand it.

胖倦 2021-01-02 21:05:20

The controller does not write complex logic processing, where can I write it?

For example, the codeigniter framework has the concept of library, which can load different libraries as needed. Does Laravel have a similar concept?

一怒为红颜 2022-06-04 21:58:41

Newcomers are not very clear about some concepts of PHP symfony2

1. The concept of event, for example, in what scenarios is event used? 2. Regarding the concept of monitoring, it is also not clear what application scenarios would be better to use monitoring. 3. The concept of DI (injection), is the service introduced when it is needed? How is it different from or...

高洛峰 2017-06-29 10:08:20

What is the concept of a tag data-src

<a href="javascript:;" date-src="{:U('Dept/add')}">Add department</a> What does data-src come from? What are the benefits of using data-src instead of href?

李文俊＆ 2018-04-19 00:52:20

javascript - Leaking arguments

Who can help explain the concept of Leaking arguments {code...}

怪我咯 2017-07-05 10:42:40

Optimistic locking problem

Is there the concept of optimistic locking in TP5.1? I don't see it mentioned in the manual.

*ptr 2019-04-13 16:14:11

node.js - What exactly is node's env? What is the use?

What does node's env mean as an environment variable? I’ve seen it in many places, but what’s the use? Why didn’t I learn the concept of env before learning PHP?

怪我咯 2017-05-16 13:31:01

I am new to Linux and have some questions about the concept of mounting.

I don’t know if it’s correct. What I understand about mounting is to associate a certain partition (or the file system of a certain partition) with a certain directory. Entering the directory means entering the partition. I currently only have three partitions: I use Check it with the df command, as...

phpcn_u1582 2017-05-16 13:32:40