Why doesn't java code compile

The deployed web item will not compile the java code, only the front end will be displayed.

赫 2018-08-09 17:12:53 0  0  1367

How do I convert this DES encryption code from Java code to JavaScript?

How to convert this Java code to JavaScript? publicstaticStringgetSignature(Stringskey,Stringiv,Stringdata)throwsException{IvParameterSpecⅣ=newIvParameterSpec(iv.getBytes("utf-8"));DESKeySpecdesKey=newDESKeySpec

P粉504080992 2023-09-06 13:31:17 0  1  588

A love letter from a Java programmer

Programmers have always given everyone the image of a person with high IQ and low EQ, who does not know how to be romantic and cannot make girls happy. However, I think programmers are romantic. Regarding this misconception, only one song can be used to express the voice of the majority of programme...

Q3396103977 2020-09-08 15:35:17 0  1  1229

Preventing SQL injection attacks in Java programs

I have to add a statement to my java program to update the database table: Stringinsert="INSERTINTOcustomer(name,address,email)VALUES('"+name+"','"+addre+"','"+email+"'); ";I've heard this can be exploited via SQL injection, for example: DROPTABLEcustomer

P粉328911308 2023-10-20 20:06:17 0  2  836

After the underlying device C language RC4 is encrypted, why can't Java use rc4 to decrypt, but other people's PHP programs can decrypt successfully?

The underlying device is a wifi probe that regularly pushes data to a service. This service address receives the data and uses rc4 to decrypt it. The underlying device rc4 encryption is written in C language. java receiving program {code...} java rc4 decryption program: public class RC4 { {code...} ...

PHP中文网 2017-06-17 09:15:15 0  1  1270

java - Code duplication and finding ways to improve it

{Code...} The code structure is very similar, except that the dao layer fetches data differently. In addition, is there room for improvement in this switch? I know that eumn is used to enumerate, but I did not write it to reduce irrelevant code.

PHPz 2017-05-17 10:04:56 0  5  891

How to crawl js processed code in java

Page address: http://acm.hdu.edu.cn/showpro... Goal of crawling: If you want to crawl the code of these formulas, the code you see when pressing F12 on Chrome: But the code crawled is as follows: This code does not display the correct formula. It seems that these codes are all generated by js. How t...

为情所困 2017-05-17 10:04:18 0  2  642

python3.x - Java calls python, and the python code stops automatically, and the reason cannot be found

{Code...} Calling the python code takes a long time to execute. It is estimated to take several hours, about five or six hours. If you execute the Python command directly in the shell alone, there will be no problem; however, if you use java to call python in this way, there will be a problem: after...

習慣沉默 2017-06-28 09:23:50 0  3  1066

list - java code optimization

The current version can run, but the writing is definitely not good. {Code...} The key is the initialization of data. If not initialized, an error will be reported. Ask for guidance.

PHP中文网 2017-05-17 10:08:39 0  2  643

uml - Java code automatically generates sequence diagrams

Recently I was looking at the code of an Android project. Since it is a 2-3 year old project, the amount of code is quite considerable, so I was wondering if there are any tools that can help sort out some of the code logic. What is currently known is that there are some tools that can automatically...

女神的闺蜜爱上我 2017-06-30 09:55:32 0  1  1412

java - How to forward code inspection?

The code inspections I know so far are generally done during the continuous integration phase. Although this can ensure the quality of the code, I personally think that the cost is still a bit high. This is mainly reflected in the fact that a developer finally completes the development on his own br...

我想大声告诉你 2017-05-31 10:35:13 0  3  930

javascript - js code to python

The js code is as follows {code...} {code...}

高洛峰 2017-06-22 11:51:54 0  1  941

java - IDEA restarts tomcat after modifying the code, but it still seems to be the previous code

I don’t know what’s going on. Every time after restarting the code, when testing the interface, the results obtained are still the results of the previous version. I want to know what operations need to be done after modifying the code in IDEA to update the code to tomcat. Down.

仅有的幸福 2017-05-17 10:02:45 0  1  862

How to generate applet code for applet using php?

The recent mini program "Chrysanthemum Bloom" is quite novel. I have read the description of the relevant information link. Has anyone studied the mini program code for generating mini programs using PHP?

为情所困 2017-05-16 12:59:03 0  3  1406

Can mini programs be used to develop functional programs?

WeChat mini program code size is limited, can it still be used to develop functional programs?

Ignite 2018-04-14 09:54:42 0  4  1715

vim - text editor for writing programs

Are text editors like vim, sublime, notepaad++ only useful when writing small programs? Is it more convenient to use an IDE to do large projects? Based on the thoughts in the link below (you may need to circumvent the firewall) Is coding Java in Notepad++ and compiling with comma...

習慣沉默 2017-05-16 16:40:04 0  2  832

python standard library partial code

def partial(func, args, *keywords): {code...} The code in the python standard library, newfunc.func = funcnewfunc.args = argsnewfunc.keywords = keywords seems to be of little use?

黄舟 2017-05-18 11:02:27 0  1  688

Java thread monitoring, thread restart, observer mode issues

Regarding the issue of thread monitoring restart, I read http://www.cnblogs.com/ae6623... The observer pattern introduced in this article I think puts the key code for restarting the thread into the catch block in the thread body. What should I do if the exception is not caught? I don’t know much ab...

天蓬老师 2017-05-27 17:41:04 0  2  794

How to add images to a JavaScript quiz application

I'm trying to add images to a JavaScript quiz app but I've tried everything, adding the "imgsrc" attribute in different ways but nothing seems to work... Please help make it work for a project that needs to be done. This is my code... constquizData=[{question:"Whichlanguagerunsinawebb...

P粉333186285 2024-02-03 20:47:02 0  1  394

WeChat applet

Does the WeChat mini program have a backend?

哩呦 2018-03-29 20:43:22 0  1  2395