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Beginner looking for a php countdown function

Can anyone share a simple 15-second countdown PHP code with me? I am a beginner. Thank you very much.

東京塔QAQ 2018-07-10 15:33:24 0  1  1135

I am a beginner. After watching Dugu Jiujian's PHP video, I found that Apache could not be started successfully after configuring it.

I am a beginner. After watching Dugu Jiujian's PHP video, I found that Apache could not be started successfully after configuring it. I would like to ask how to check for the problem and fix it?

愚魚 2017-08-24 11:36:14 1  1  1292

I am a beginner, and I don't even know what the tools in the video are? Can the teacher tell me if there are corresponding video learning tutorials?

I am a beginner, and I don’t even know what the tools in the video are? Can the teacher tell me if there are corresponding video learning tutorials?

GAOFLY 2017-08-31 16:29:31 0  2  1242

After adding pictures, the words in the navigation bar are not centered

I'm a beginner, I don't know how to solve it. Can anyone give me some advice?

Zander苑  2018-07-13 16:03:04 0  3  1377

node.js - node+mongoose beginner questions

Does database creation have to be performed in mongodb? Can a database be created in mongoose? Is there a length range for the data type of each field (key?)? mongoose.model() and db.model() are both modeling, but there are What's the difference? {code...}

某草草 2017-05-16 13:37:50 0  1  594

javascript - vue routing beginner questions

1: I am new to Vue and I don’t know much about router-link and router-view. The general problem is as follows: The existing code structure is as follows, which can be understood as a navigation on the left and a display area on the right {code...} After configuring routing, click router-link can be ...

PHP中文網(wǎng) 2017-07-05 10:40:40 0  3  963

Mini Games - C++ Beginner, Graphics Library

I have taught myself C and C++, but I feel that I am not very familiar with the class mechanism in C++, and I have no engineering concepts. I'm thinking about writing a small game by myself (similar to controlling a plane to fly on a two-dimensional plane, attacking enemy planes, etc.) but I don't k...

黃舟 2017-05-16 13:22:12 0  2  796

No qualified bean of type 'com.jpa.test.UserRepository' found exception occurred in the main thread

I am a beginner to Spring-boot and I faced this issue when I tried to run a Spring-boot application. Exceptioninthread"main"org.springframework.beans.factory.NoSuchBeanDefinitionException:Noqualifyingbeanoftypecom.JPA.

P粉170438285 2023-08-29 14:35:44 0  1  585

Beginner question: Why does this for loop return false?

I'm doing some homework in JS, and I've written a function that compares the end of a string (str) and returns true or false if it matches the "target" string (this could be done easier, but this one I chose out of such a confusing way): functionconfirmEnding(str,target){letvalid=true;cons...

P粉022723606 2023-09-08 17:31:55 0  1  553

angular.js - How to implement jump in angularjs? Do you need to write a route?

I want to realize that clicking a link will jump to the details page. I am a beginner in Angular and I would like to ask the experts to answer it. Thanks

黃舟 2017-05-15 16:59:59 0  3  671

Can anyone find the error in this MySQL code? (Beginner)

I'm thinking about a MySQL job benchmark and trying to create a data called students. However, I removed the error message Operationfailed: An error occurred while applying SQL script to the database

P粉469090753 2023-07-24 17:17:03 0  1  512

TP5.0 How to update the variable values ??in the interface template without refreshing

I am a beginner and want to add a search function to a data list. I just click the search button and use the returned results to directly assign values ??to the original data list.

 2018-07-12 17:50:56 0  2  1275

python - django multiple templates nested extends

There is now a page. base.htmldata.html index.html Now index.html extends base and blocks the base information. Here comes the problem. How to extend data.html? Django does not support the extends 2 syntax by default. {Code...} Beginner...

迷茫 2017-06-30 09:52:46 0  1  874

How to allow users to upload or change images on one page and display them on another page?

How to let users upload pictures on one page and then display them on another page? The user can change the image and it will change in other pages as well. Also, I'm talking about using php/js/jquery/mysqli whatever works best. (I'm just a beginner in this field, so I'd appreciate it if you use som...

P粉298305266 2024-04-01 18:33:31 0  1  752

c++ - Beginner to learn data structure, I have a small problem

Linked storage of linear lists, the following code {code...} What is the difference between LinkList p and Node p

ringa_lee 2017-06-10 09:48:45 0  2  1023

javascript - When gulp executes the webpack task, the file is generated and the loader is not executed.

gulpfile.js configuration file {code...} webpack.config.js configuration file {code...} app.js file {code...} Only with webpack, js files can be generated and executed by babel-loader , but when executing gulp, babel-loader is not executed. Beginner to webpack and gulp...

僅有的幸福 2017-05-19 10:36:28 0  1  778

angular.js - $stateChangeSuccess event not executed when state jumps?

I want to use the parameters in the $stateChangeSuccess event to perform operations, but $stateChangeSuccess is always not executed. Are there any regulations on the use of $stateChangeSucces? Please give me some advice if you are a beginner!

習(xí)慣沉默 2017-05-15 17:04:56 0  7  638

Nodejs error TypeError: this.set is not a function

Hi all, smart people, I'm a beginner here and I'm having a problem with my code while working on the server side. I really need help. constexpress=require('express');constapp=express();app.set=('viewengine','ejs');app.use(express.static('public'))app.use(express.urlencoded( ));app.get('/',a

P粉757640504 2024-03-31 11:57:04 0  1  669

Recommend a book on thinkphp5

The teacher helped recommend a good book for learning thinkphp5, which can be used to study while watching videos. Thank you, I am a beginner and have just finished learning the basics of php. Let’s start looking at thinkphp5 now.

JELLY——棟 2018-10-08 16:13:17 0  1  1379

How-to: Switch dark mode using TailwindCSS + Vue3 + Vite

I'm a beginner in Vite/Vue3 and currently I'm facing a problem where I need the combined knowledge of the community. I created a Vite/Vue3 app and installed TailwindCSS: npmcreatevite@latestmy-vite-vue-app----templatevuecdmy-vite-vue-appnpminstall-Dtailwindcsspostcssautoprefixernpxtailwindcssinit-

P粉933003350 2023-11-01 12:05:00 0  1  1251