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PHP Trojan Backdoor Research

I don't know enough, so I got a source code, but found that there is a webshell backdoor. As for what code it is, I can't identify it. Could someone please give me some advice? <?php function a($where) { $where['pagesize']=1; $article=alist($where); if(isset($article['list'][0])) { Retu

七字铺 2021-03-26 09:34:51

Research question on multi-column query using PHP

I have a question. I need to query all text containing a substring given by using POST method on PHP. For example, if I enter an "a" or a number like "1" (a character not an integer), do I need to find everything that contains that character or substring and check every column in...

P粉242126786 2023-07-26 17:32:50

javascript - requirejs reference css problem

This is the address: http://ceshi.sosearching.cn/o... The console error is similar to this, GET http://ceshi.sosearching.cn/o... Uncaught Error: Script error for "fontAwesomeCss" Trouble If anyone has any research expertise, please help me. Thank you.

巴扎黑 2017-05-16 13:38:50

System analysis learning direction

Please ask: As a system analyst, my usual work includes demand research, demand analysis and writing application design documents. I want to improve myself, but I don’t know which aspect of knowledge to learn. Please give me some advice. Thank you.

珍妮亚 2020-04-16 20:48:52

How do I tune these cards to respond with Boostrap 4?

How can I make each row display 4 cards, and of course make them stack if the screen size changes. Ideally there should be some space between them. I've tried every possible combination I could research. #cardsContainer{display:flex;flex-wrap:wrap;justify-content:space-between;overflow-y:scroll;over...

P粉509383150 2024-04-05 10:48:45

React Native custom TextInput does not respond to onChangeText event

I want to create and use a CustomTextInput in ReactNative. I have created it as per the code below but the onChangeText property in CustomTextInput is not working properly. Despite extensive research, I couldn't figure out the cause of the problem. What might I have missed? importReact,{useState}fro...

P粉743288436 2023-09-21 22:59:27

What are the differences in how Java basic types are stored as local variables and member variables?

1. This question may involve many aspects. I did some research myself and understood part of it, but some parts are still unclear. Paste the code first (Java version 1.8): {code...} 2. First tell me what you know clearly: the 4th output and the 8th output are relatively clear. This is due to the fac...

世界只因有你 2017-05-27 17:41:41

Front-end - Routing issues encountered when developing with laravel

I am using laravel for development. The static resource directory and route in the project will have the same name, such as: {code...} If configured like this, using the PHP built-in server in the development environment to access localhost:8000/web will result in a 404 error: { Code...} After some ...

大家讲道理 2017-05-16 16:50:56

javascript - How does QWebEngineView crawl angular's dynamic data?

Test URL: www.om.cn Click on the picture and it will jump to the inner page. No useful information was found in the html before the jump. The html obtained by inspecting the element. After some research on Baidu, Angular data is difficult to obtain through ordinary crawlers. So I used QWebEngineView...

阿神 2017-05-19 10:07:18

The PHP DateTime::modify method can be used to add and subtract months.

I've been using the DateTime class a lot lately, and recently ran into what I thought was a bug when adding months. After some research it was discovered that this was not actually a bug and was working as expected. According to the documentation I found here, Example #2 warns to be careful when add...

P粉046387133 2023-08-06 18:43:52

Using braces with dynamic variable names in PHP

I'm trying to use dynamic variable names (I'm not sure what they are actually called), but something like this: for($i=0;$i<=2;$i++){$("file".$i)= file($filelist[$i]);}var_dump($file0); returns null, which tells me it doesn't work. I don't know what syntax or technology I'm looking for,...

P粉717595985 2023-08-29 12:05:01

java - Should newbies use springmvc directly or springboot?

Convert PHP to Java, have a basic understanding of the Java language, have done some Android research using Java, and roughly understand that springboot is similar to a packaged thing. I heard that newcomers have trouble solving problems when using it. Springmvc needs to combine and install componen...

伊谢尔伦 2017-05-17 10:04:37

javascript - springmvc, a solution to separate the front and back ends?

Using spring+springmvc+mybatis+vuejs to build a front-end and back-end separation architecture. After technical research by me and the back-end, I gave up the solution of using .html for all pages and instead used html+vue in the WEB-INF jsp file, and all data was sent to json. ajax. It is equivalen...

習慣沉默 2017-06-14 10:51:02

swoole is perfectly adapted to thinkphp5. If you need it, you can refer to it and learn to advance to intermediate and advanced levels.

The following is the code after successful debugging and configuration. To facilitate everyone's learning and save everyone's research time, it is shared here. 1. Enable httpServer request You can create a server directory in the thinkphp directory and create an http_server.php in it 2. Do a few thi...

momo 2018-12-10 11:41:34

objective-c - iOS, I changed the code after forking someone else's repository on Github. Can I use CocoaPods to add my repository to the project?

As mentioned, I found a good code on github that was no longer maintained. I forked it and changed some of the code. Then can I use pod to directly pod the code I modified? I have never tried submitting my own framework to CocoaPods, but I just want to ask if it is possible? If possible, I will rese...

天蓬老师 2017-05-24 11:31:52

Challenges when using window.location.href to redirect to a new page

I'm having trouble redirecting to a local domain php file, I've got it ready to redirect to thankyou.php is there anything I'm missing in the code that would allow me to do this? I've done a lot of research on this issue now and don't see any difference between what I'm doing and what I'm advised to...

P粉523335026 2024-04-04 12:57:06

How to embed background video in HTML/CSS?

Hi everyone, I recently encountered a problem. I'm trying to set a video background to my site, but the centered text runs all the way to the bottom, I don't know why, yet the navigation bar is fine. I've done a lot of research but can't find a solution. For CSS, I made the following settings: *{mar...

P粉176203781 2023-11-06 13:59:13

Novices ask for advice on how to download files in sections

For example, for a 10M file, I want to split it into 5 parts. The front end sends 5 requests to download the file at the same time, and then synthesizes it into one file. How can I achieve this using PHP (after some research, I found that the range field in the header is operated, but it is not I un...

EWard. 2018-07-03 11:49:07

What are the architectural layers of a Spring Boot + React + MySQL application?

I'm trying to write documentation about the application but I'm confused on how to describe the architecture. Based on the research I've done, I think the presentation layer is my React application, the business/application layer is the SpringBoot application, and the data layer is MySQL. This seems...

P粉346326040 2024-04-03 10:07:06

Restricting the menu to certain users: a way to filter based on the value of a specific field

In my main wp navbar I have a menu item called 'Research' that I only want to show up in researchers in WordPress. Researchers will be defined by a user metadata field called wpum_relationship_to_lib, which is a multi-select field that includes options for researcher, student, employee, etc. What is...

P粉563831052 2023-09-07 15:58:31