javascript - Solve some minor problems with js functions

Since the function name of js is a pointer to the function object, does it refer to memory? `{code...}`, so how to do manual destruction? Do global variables need to be closed before the browser is recycled? Thank you for the solution

为情所困 2017-05-19 10:26:59 0  5  559

Apache domain name resolution problem?

1. Now my Alibaba Cloud server has an independent public IP 2. A *.abc.def.com is pan-resolved to my Alibaba Cloud IP. 3. Here I am doing third-level virtual domain name resolution corresponding to different folders. The problem we are encountering now is that apache is configured with many virtual ...

PHP中文网 2017-05-16 17:00:19 0  1  611

How to solve this problem, please help me

When writing the backend management system of the TP framework, this problem occurred when writing the left navigation bar. I have been looking for a long time but have not found a solution. Can you guys help me?

PHP中文网用户-7471027 2023-06-07 18:09:57 0  1  519

A Java problem solved using an algorithm (problem about hashmap)

The first question of leetcode, this method can achieve O(n) complexity solution. The question requirement is to give an int[], such as nums = [2, 7, 11, 15], and give a target = 9. If there are two numbers whose sum is the target value, for example, nums[0] + nums[1] = 2 + 7 = 9return [0, 1]. Use.....

阿神 2017-05-27 17:41:09 0  3  634

Asking how to forward the addresses of multiple servers on nginx and solve cross-domain problems

Asking how to forward the addresses of multiple servers on nginx and solve cross-domain problems

漂亮男人 2017-05-16 17:29:41 0  1  557

I compared the teacher's code several times and found no problem, but there is a problem when opening the browser. Please solve it.

I compared the teacher's code several times and found no problem, but there is a problem when opening the browser. Please solve it.

2019-03-19 22:16:58 0  6  1462

php - How to solve the problem of command line execution of scheduled tasks in TP framework 3.1.3

TP Framework 3.1.3 How to solve the problem of executing scheduled tasks on the command line, and an error occurs when executing scheduled tasks on the command line

某草草 2017-06-21 10:11:16 0  1  973

javascript - How to solve cross-domain problems for the middle layer in node

I have tried to use nginx, but I don’t know nginx at all. After configuring it for a long time, I still can’t figure it out. Is there any other simple method that can easily solve the cross-domain problem?

大家讲道理 2017-06-28 09:23:00 0  2  818

C++ cannot use (pointer) to get the value address in the STL container?

Note that pointers are used instead of references: ... {code...} felix said: Change int data to int &data. The problem has been solved. Thank you.

PHP中文网 2017-05-16 13:29:57 0  1  649

How to solve the problem of no code prompt in tp6 in zend

How to solve the problem of no code prompt in tp6 in zend. The prompt code has been put into DbManger.

芯灯 2021-09-23 18:33:37 0  4  1085

I am a newbie and I just copied and pasted the code. How do I solve this problem?

I am a novice and this problem occurs when I just copy and paste the code. How do I solve this problem? I am a novice and this problem occurs when I just copy and paste the code. How do I solve this problem? I am a novice and this problem occurs when I just copy and paste the code. How do I solve th...

P粉146800766 2023-03-26 18:48:26 0  0  522

Solution to the memory usage problem caused by upsertMany in Nest.js

There is a scheduled task that is executed every 5 minutes when using upsertMany to insert a large amount of data. I found that the memory increases every time a task is executed and the GC cannot reclaim the memory. How can I solve this problem? Using nestjs, @mikro-orm/nestjsthis.emBi.upsertMany(S...

P粉787806024 2023-08-15 23:04:41 0  1  663

Title rewritten to read: Property routing issues in Symfony 5.4 resolved

There is a solution in RFE; use bin command and php version to solve the problem I am working on a new application based on Symfony5.4 and PHP7.4 to test new additions and changes in Symfony6. I created the entities and CRUD using the entity builder in the console and the database was created perfec...

P粉035600555 2024-01-10 16:38:04 0  2  382

c++ - Problem with pointers in c language

*argv[]argv is the address, *argv[] is the variable pointed to by the address. Since argv is an address, why can argv[1] be called like this?

给我你的怀抱 2017-06-30 09:57:22 0  7  1031

java - Can volatile solve the problem of thread-shared data security?

For example, I want to write a singleton mode without using sycrynized synchronization method and use volatile modification private Sigleton(){} private static volatile Sigleton s = null; public static Sigleton getInstance(){ {code...} } Can this solve the problem of thread security? ...

欧阳克 2017-06-23 09:14:04 0  2  991

python related problems need to be solved, paid

I need someone to help me solve a python problem. I need someone who really knows python, for free. If you have some experience, please contact me, thank you………………………………………………………………………………………………………… ………………………………

Brooke 2020-09-08 15:53:55 0  1  1015

There are paid solutions to related questions about python.

I need someone who knows python to help me solve python problems. You can add me on WeChat to discuss in detail, wyb858420538, thank you……………………………………………………………… …………………………………………………………………………

Brooke 2020-09-08 16:00:52 0  0  997

The current access route is not defined or does not match. How to solve this problem?

How to solve this problem, using thinkphp5

茗惑 2021-05-25 16:13:38 0  1  1934

TP framework cache problem. Please solve it

The picture above is my code... access the url interface connection of a website in tp... the data will be different every time this connection is opened in the browser... but every time it is refreshed in tp They are all the same data, and the new data is refreshed every once in a while... It shoul...

活泼星辰 2017-10-16 14:12:57 0  2  1479

node.js - How to solve the path problem when installing webpack under windows?

1. The following error occurs when installing webpack under Windows. I know it is a path problem, but I don’t know how to solve it. I am not familiar with the commands under Windows. I have used npm to install other modules of node before with no problem, but the same problem occurred when installin...

PHP中文网 2017-06-22 11:54:26 0  1  1051