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JavaScript infinite loop and heap memory limit - Fatal error: Heap limit reached Allocation failed - JavaScript heap out of memory

I'm trying to run some scripts that require a loop to run indefinitely (until a certain condition is met, but this could take forever). The operations inside the loop are very simple, no new variables are created, elements are pushed to the array, or new calls are made. Basically, at least in my opi...

P粉773659687 2024-03-27 20:21:43

javascript - Problems encountered with js reference types under chrome

Regarding reference types, value assignment is just a copy of the heap memory, that is, multiple variables point to the same heap memory. But in Chrome, when I was testing, I encountered such a situation. I hope the experts can give me an answer. In the picture below, I created a variable a and assi...

過去多啦不再A夢 2017-05-19 10:44:03

Doubts about the storage location of java strings

There is a question like this: How many objects does new String("aaa") create? The answer is to create one or two. The reason is that if the aaa variable exists in the constant area, only one is created in the heap; if the aaa variable does not exist in the constant area, one is created in...

僅有的幸福 2017-05-17 10:00:54

How to get heap dump in case of outofmemory

Tomcat is outofmemory on the server and is unresponsive. Is there any way to know what is occupying memory? Please recommend tools and methods.

大家講道理 2017-05-27 17:41:34

javascript - js attribute stack diagram

Above: obj stores an address, pointing to an object in the heap. So how is obj.a represented by a stack? It would be better to have a picture, thank you!

滿天的星座 2017-05-19 10:42:02

node.js - webpack package reports javaScript heap out of memory, how to solve it?

{code...}

滿天的星座 2017-05-16 13:38:41

java - Help: Analyze the following code in detail, I am confused.

public class T1 { {code...} } My understanding: aa in the rename method is in the stack memory, and aa in the main method is in the heap memory. Executing the rename method will not modify aa in the main method. value, is that so?

阿神 2017-05-17 09:59:16

Solve the problem of insufficient JavaScript heap memory caused by vue 3 build + webpack

In my local build environment, I have some directories in the base directory where my webpack configuration lives. These directories contain quite a few files (which are other applications that are part of our debugging environment). node_modules/src/src/componentsdir1/dir2/webpack.config.jspackages...

P粉041881924 2024-03-25 22:10:52

javascript - mongodb Authentication failed.

Node serves as a service. In the development and production environment, the session data was put into the memory. When it went online, it appeared that heap out of memory, so I used connect-mongo to store the session in mongodb. It was originally written like this The test {code...} but then change...

黃舟 2017-06-27 09:18:13

javascript - View of tail call optimization

After reading Ruan Yifeng's ES6 tutorial, I don't know much about tail call optimization. I would like to ask how to monitor memory changes in chrome. I checked the memory in Take Heap Snapshot in Memory, but I don't know which part of the data I should focus on. The code is as shown in the figure:

過去多啦不再A夢 2017-05-19 10:07:08

javascript - Find the median of 10G integers, the memory limit is 2G.

Tencent has this school recruitment question: For a PC with only 2G of memory, find the median in a file containing 10G of integers and write an algorithm. There are several solutions, such as bucket sorting and radix sorting, but I found a method that uses a heap to solve it. I don't quite understa...

過去多啦不再A夢 2017-05-16 13:01:22

java - When a member variable with the same name is called polymorphically, why is the member variable of the parent class accessed?

At first I guessed that since the member variables of the parent class and the subclass are each stored in the heap, it may be due to the existence of the parent class, so the member variables of the parent class are found first. Then I tested it, the code is as follows: {code...} The output is: Z:t...

女神的閨蜜愛上我 2017-06-12 09:27:03

Laravel Modal does not return data

I don't know why I'm not getting the value from the modal in my Laravel controller. Please check it for me. However, I use the same code for other modes and controllers. It's working and returning the value from the property without any issues. I'm using Laravel8 and php8.1; below is my code. app\Ht...

P粉174151913 2024-03-29 10:31:31

Can I use the automatic generation module of thinkphp5 in Windows 7 system? How to configure and use

明民 2017-10-10 17:04:14

After installing the PHP toolbox, all the mysql tables in phpstudy that I installed before are gone. What should I do?

After installing the PHP toolbox, all the mysql tables in phpstudy that I installed before are gone. What should I do?

劉袁銘 2017-10-10 19:25:59

mcrypt_get_key_size()

To use mcrypt_get_key_size() in php study, how to enable mcrypt_

劉袁銘 2017-10-10 19:47:34

Detecting login status and preventing repeated login status in TP5 - My page is wrong

冥冥之中天注定 2017-10-10 22:49:15

Issues with resending WeChat public account template messages?

For example: I am using PHP to develop WeChat public accounts. If I send a template message, the WeChat client may receive 1-3 messages. I checked Baidu and said that the WeChat server will resend in 5 seconds. How to solve this problem?

飛揚(yáng) 2017-10-11 08:00:11

How to install php7

我無限黑暗里的小太陽▼ 2017-10-11 09:11:44

Solve (no language limit)

A census taker asked a woman, "How many children do you have and how old are they?" The woman replied, "I have three children. Their ages multiplied is 36. The sum of their ages is equal to the house number of the segregated room." Census The enumerator immediately went to the ne...

路過 2017-10-11 10:20:08