The employment dilemma faced by high school students who learn PHP by themselves

I only have a high school education, and as a fresh graduate I have been doing backbreaking physical labor. Later, I felt unwilling to accept it and went to a training institution to study. However, after two-thirds of the study, I couldn't persist due to financial reasons (I was really helpless at ...

..... 2018-04-28 23:55:37 5  61  8970

Design Pattern - Can the BLL in the three-tier architecture only interact with the MVC Controller?

The presentation layer in the three-tier architecture uses MVC, so can the interface in the business logic layer not be directly called from the outside? Instead, it should interact with the business logic layer through the Controller in MVC, and only the Controller in the presentation layer can be ...

为情所困 2017-05-16 17:05:49 0  2  837

Regarding the issue of adding imagick to the php version of phpstudy

After downloading the 7.0 imagick extension and adding it to php.ini, I can't see the scalable extension in the info. The version and extension are both correct but there is nothing, and nothing will happen after restarting the service industry.

随风 2020-01-07 19:20:40 0  0  1070

PHP installation lpsolve extension help

A recent assignment required planning solver, and I found lpsolve: http://lpsolve.sourceforge.net/5.5/PHP.htm. I followed the instructions and made the extension, but it just can’t be used. Please help.

李军 2021-03-17 10:43:02 0  5  1197

node.js - How to delete array elements in mongoose

Now there are two schemas, one is students and the other is students’ employment information {code...} This will report an error. What is the correct way to write it?

PHPz 2017-05-24 11:35:44 0  1  1326

javascript - Can I use js to cancel the alert window?

Recently, I wanted to operate the company's business system (web page) directly in emacs, so I used elisp to write a websocket server, and then used Grease Monkey script to write a client in the business web page. After connecting, I called a function in emacs Send instructions to the client, the cl...

为情所困 2017-06-12 09:20:43 0  2  846

nginx - openresty does not output content-length header

Openresty defaults to chunked_transfer_encoding on, which means chunked encoding is used. At this time, content-length is useless. Then our client had a need for this field, and our business logic was relatively simple, so I turned off chunked. At this time, it becomes a short connection,...

巴扎黑 2017-05-16 17:09:02 0  1  757

mysql - How to design a table for this hierarchical one-to-many model with unbalanced hierarchies?

Recently I encountered a very tangled business model: I want to design a question bank for a teacher training institution. Each question in the question bank belongs to a certain branch. The key weird thing is the definition of this branch. The business definition of this branch is as follows: First...

習慣沉默 2017-05-18 10:48:38 0  4  737

Can anyone explain the usage of return?

As the homework said, what does it mean to return the string of the table? Can this value be called? There is my code in the notes. Is this return correct?

小圈圈~ 2017-11-17 10:55:26 0  7  1963

java - Distributed transaction processing solution

Do you need distributed transactions when deploying hibernate on multiple web servers to operate the database? Will there be any problems using the traditional stand-alone method to access the database? How does the industry deal with this problem?

女神的闺蜜爱上我 2017-06-23 09:14:37 0  1  1251

PHP learning experience

Learning PHP is still very simple. You usually need to learn more about a few functions, write down the functional codes first, read more, reuse more, and slowly it will become your own! Think about business ideas as soon as you move the business code. When learning new technologies, look more at th...

潇 2020-06-04 21:01:17 0  1  1316

linux - How to implement more stable scheduled tasks in node.js

I hope that the node program can perform different operations at different fixed time points every day. How to achieve this? The financial business scenario should be similar, right? For example, Yu'E Bao can be bought and sold at any time. The calculation of principal and interest is implemented by...

过去多啦不再A梦 2017-05-27 17:44:44 0  4  675

javascript - If else loop problem in JS?

I wrote a code before and the general logic is as follows {code...} Because the previous business logic requirements only have function 1 and function 2, so when control(1) is executed, function 1 is executed, and the rest executes function 2. Now that the requirements have been changed, one needs t...

三叔 2017-06-26 10:58:12 0  5  838

Experience sharing: Teach you step by step how to record teaching videos? (Tools)

Many times, I want to record my experience into a video and share it with everyone, but don’t know how to do it? After reading this article, you will no longer be confused~~ First: What kind of computer should I choose? To be precise, what kind of platform should I choose? Windows? Or MacOS? For new...

天蓬老师 2017-11-07 14:50:43 13  22  7173

The pit you were led into by training

It’s my first time posting an article and I’m a little nervous. . . Let me complain about my php pit history. . . Before graduation, I studied dental medicine technology, which was embarrassing. . . Later, during my internship, I worked in a processing factory making porcelain teeth. . . Then I left...

神沐 2018-09-26 17:32:28 0  5  1501

Insert multiple statements into the database

The teacher asked to make an exam arrangement system, select the course name, time, location and multiple student IDs, and insert them into the database at the same time. We are not professional in writing code, so we really can’t figure it out. Please help me, if I don’t make it, I will do it. Bye....

Ettie Mao 2018-01-13 14:46:38 0  2  1126

Tomcat deployment method

Generally, when enterprises deploy Tomcat, they deploy it in a Linux system. However, I deployed it on Windows. Is there anything wrong with opening startup.bat directly? Or is there a better way (I know there is another way) The one that starts automatically as a service).

PHPz 2017-05-17 09:57:50 0  1  850

Voice live broadcast platform, voice system source code development services.

The current popularity of the live broadcast industry is obvious to all, but recently a popular model of "no appearance, only voice control" has emerged. This is - voice live broadcast. At the same time, the business model of live voice broadcast also triggers thinking. The live broadcasti...

qq3595750856 2020-07-03 15:21:52 0  0  1218

javascript - Front-end recognition and parsing of QR codes

I need to do a picture scanning business, which is to scan a QR code. What the QR code parses is a series of serial numbers. Now I want to know if there is a corresponding third-party plug-in on the front end that can complete the decoding of the QR code, or if there is Other good ideas

淡淡烟草味 2017-06-27 09:19:47 0  1  982

Problems with performance optimization of PHP business interface in SOA?

The performance of writing business interfaces in modules is very slow. From time to time, one of the interfaces will be blocked until the timeout occurs. In the development environment, the normal interface is generally 150ms, but the interface that is called across modules will exceed 1000ms, and ...

女神的闺蜜爱上我 2017-06-13 09:21:53 0  2  896