How to operate mysql in python to prevent your own program from being maliciously injected later (to put it bluntly, I am asking about some key points of anti-injection in python)

Is it necessary to refer to previous anti-injection documents in languages ​​​​such as php or java? Python-related anti-injection documentation is really hard to find

滿天的星座 2017-06-14 10:50:54 0  2  802

How to prevent SQL injection in PHP?

If user input is inserted into a SQL query without modification, the application is vulnerable to SQL injection, as in the following example: $unsafe_variable=$_POST['user_input'];mysql_query("INSERTINTO`table`(`column `)VALUES('$unsafe_variable')"); This is because the user can enter some...

P粉022723606 2023-08-23 12:44:04 0  2  603

How to prevent SQL injection in PHP?

If user input is inserted into a SQL query without modification, the application is vulnerable to SQL injection, as in the following example: $unsafe_variable=$_POST['user_input'];mysql_query("INSERTINTO`table`(`column `)VALUES('$unsafe_variable')"); This is because the user can enter some...

P粉128563140 2023-08-31 18:10:38 0  2  638

How to protect PHP from SQL injection?

If user input is inserted into a SQL query without modification, the application is vulnerable to SQL injection, as in the following example: $unsafe_variable=$_POST['user_input'];mysql_query("INSERTINTO`table`(`column `)VALUES('$unsafe_variable')"); This is because the user can enter some...

P粉909476457 2023-10-08 15:42:46 0  2  731

Access this.$router in debounce function

I want to change the URL based on what the user enters. The anti-shake function works fine. But I can't seem to access the "this" variable. "this" implicitly has type "any" because it has no type annotation searchbarPokemon:debounce(function(e:any){this.$router.push(e.t...

P粉541796322 2023-09-06 16:21:17 0  1  689

How to limit method parameters in php? The parameter is an array. How to specify the number and key names of the passed array elements?

{Code...} In the connect method, the number of incoming arrays must be 5: keyarray($dbhost,$dbuser,$dbpsw,$dbname,$dbcharset). I am used to Java's strong typing, and I feel that many places in PHP are confusing. It's not rigorous. Will this increase the amount of code in the method body? (Write judg...

淡淡烟草味 2017-06-14 10:49:58 0  3  941

How to add login verification to the backend templates on and off the website?

The website provides many templates for the backend management system, all of which are in HTML. I have only learned PHP jump verification. I would like to ask how to add login verification to HTML. It seems that PHP's $islogin cannot be added to the HTML file. Judging, the session cannot be read, s...

phpcn_u14927 2017-08-12 17:19:25 0  1  1448

PHP delimited random number, non-repeating

I have the following php code which creates random numbers when adding a static number; 100 and divides the number with |. It works fine but creates duplicate numbers, how do I make it prevent duplicate numbers from being created? echoshd is 3;100|2;100, but there are no repeated numbers before ;100...

P粉131455722 2023-09-06 20:26:26 0  2  597

Why is it recommended to prioritize constants in "if" statements?

I was looking at some sample C++ code for a hardware interface I'm using and noticed a lot of statements like: if(NULL==pMsg)returnrv; I'm sure I've heard people say it's good to put the constant first idea, but why? Is this just so you can quickly see what you're comparing if you have a big stateme...

P粉066224086 2024-03-25 18:17:36 0  2  497

How to insert DateTime form flutter into PHP MySql using POST

I'm currently developing flutter using mysql and php. The connection to my database and flutter works fine. It works fine when I insert string. But when I use DateTime.now(), it throws Error:FormatException:SyntaxError:UnexpectedtokenbinJSONatlocation0. My flutter code is DateFormatdateFormat=DateFo...

P粉282627613 2024-01-05 17:44:52 0  1  402

spring-boot - Should Java EE novices choose JFinal3.1 or Spring boot?

It is easy to install Spring boot according to the tutorial and write a small demo. Everyone said that Jfinal is very efficient, so I came down and tried it. I found that I had to register to download it. I compared the download with the official document. It seemed to be very simple to use. Then I ...

滿天的星座 2017-05-17 10:00:05 0  3  670

Button activation causes hover effect to malfunction

I've been trying to learn the basics of web development (HTML, CSS, and JS), so I've been trying to make a working Apple calculator. Everything was working fine until I noticed a small bug. At first, the hover effect on the action button worked great, the color became brighter as I hovered. When I p...

P粉548512637 2024-04-01 21:51:26 0  1  556

How to get useful error messages in PHP?

I often try to run a PHP script but just get a blank screen. No error message; just an empty screen. The cause could be a simple syntax error (wrong parentheses, missing semicolon), or a failed function call, or something else entirely. It's hard to figure out what the problem is. I ended up comment...

P粉283559033 2023-08-23 17:26:55 0  2  549

Display json type data in blade

Displaying json type data in blade I have a table in my database which stores data and one of the data is of json type, everything is going fine but when I want to display these json in blade the problem starts which is My json data type [![Enter image description here][1]][1] In my blade I use php ...

P粉064448449 2024-03-22 12:05:15 0  1  354

Parsing and dealing with the eval function in PHP

Disclaimer: This is just an example for learning PHP code injection, not production code to be used in any way. I'm fully aware that this is not good coding practice. I have the following PHP script: Example Script Example Page Now does math calculations. Please enter a formula to calculate. For exa...

P粉476547076 2023-08-13 17:40:10 0  2  605

Making buttons that adapt to screen size - detailed explanation of how to use background images

I'm developing a pfsensecaptiveportal that requires multiple graphics to be displayed side by side and adaptable to the device screen size. This can be achieved nicely using the image input type. However, the pfsense device does not recognize this commit correctly. It requires a commit type with a v...

P粉345302753 2023-08-16 13:38:12 0  1  632