java - tcp connection exception, please help analyze the reason

After the netstat -antp|grep 8091 server has been running for a period of time, suddenly all TCPs cannot connect normally. Check the information below to help analyze the reason. Thank you. The system uses Tencent Cloud's centos6.5 64-bit virtual machine, and a tomcat server is built on it. It will ...

为情所困 2017-05-19 10:08:02 0  2  825

java - In a simple multi-threading example, how to analyze the execution process of multiple threads based on the printed results?

A simple multi-threading example, how should I analyze the execution process of multiple threads? In this example, I want to know the execution process of these 5 threads, and then this result will appear on the console?

滿天的星座 2017-05-27 17:40:53 0  1  587

nginx - Is there any tool that can automatically analyze the vhosts of public IP addresses?

vhost can be set up in apache, so that independent websites with multiple domain names can be built on one host. I have a need, which is to find the vhost list on the host based on the public IP of the known host. The solution I am currently thinking of is to capture packets with tcpdump and analyze...

迷茫 2017-05-16 16:59:43 0  2  659

nginx - Analyze django performance

I installed virutalbox on my mac, then installed centos5.9 in it to run django, and tested it with http_load. I don’t know how the performance of my program is. Please analyze whether it is normal. Mac OSX: Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz | Frequency: 2359.617 Virtual machine: v...

曾经蜡笔没有小新 2017-05-16 17:28:52 0  1  728

Analyze the security of npm packages

Is there a way to verify the security of an npm package? I'm working on a project that requires CSV file processing and discovered the PapaParse package (https://www.papaparse.com/). Before continuing, I want to make sure it's safe. Any insight would be greatly appreciated. I don't know how to verif...

P粉550323338 2023-08-15 13:45:16 0  1  600

javascript - What is the purpose of analyzing this code?

{code...}

ringa_lee 2017-05-19 10:07:29 0  1  383

Mysql returns some records as empty in date field because date has multiple formats

I am trying to analyze order_date column and the column has multiple date formats and I want to convert all these dates to the same format which will make it easier to analyze order_date. I am trying to analyze order_date but this column has multiple date formats 2019/07/15 and 1/13/2014 but while u...

P粉649990163 2024-04-06 13:29:40 0  1  637

Does nginx have any tools for analyzing logs?

I want to view nginx logs and learn how to analyze them. Are there any tools?

PHP中文网 2017-05-16 17:07:43 0  4  654

javascript - The master of tab effect will analyze the html code

How to achieve this effect? ​​http://www.sephora.cn/ Where are all the brands?

PHPz 2017-05-19 10:15:51 0  1  555

python - How to express the intensity (loudness) of a piece of speech?

I wish to analyze the intensity (loudness) of speech from a piece of speech. Because I am an engineering dog rather than a science dog, and I am an outsider in audio signal analysis. I only briefly looked at FFT, so I feel insecure about my method of analyzing voice intensity. I hope an expert in th...

曾经蜡笔没有小新 2017-05-18 10:59:32 0  1  762

thinkPHP material network analysis

I beg the great god to know how to analyze the source code of the material network. I want to support csdn.

小超 2020-08-05 10:59:36 0  0  1150

flask user permission decorator - Stack Overflow

After reading the book, I found that this code is a bit confusing and the decorator is a bit unclear. I hope you can help me analyze this code! ! {code...}

PHP中文网 2017-05-18 10:50:23 0  2  689

Analyze and understand the use and purpose of InteractionType in @azure/msal-browser

I'm currently using the @azure/msal-browser library and I came across the term InteractionType. Mentioned as an enum in the documentation link (archived). However, I can't find details on how to use it and what it is used for. Can someone explain more fully the purpose of InteractionType in the cont...

P粉333395496 2024-03-26 22:03:04 0  1  465

javascript - What will alert if you analyze this code?

{Code...} The comments were my initial understanding, and then after seeing the results, I tried to use the answers to think backwards to find the reasons. =========================The dividing line after reading the answer================== ========= After step 2, this is still dbl, and val is 2 at...

phpcn_u1582 2017-05-19 10:41:46 0  2  591

python - About TwistedPipline error in Scrapy

{code...} There is absolutely no problem with the item returned by crawlspider. An error will be reported when connected to TwistedPipline. Can any teacher help analyze the error code {code...} Error code {code...}

给我你的怀抱 2017-05-18 10:56:26 0  1  620

Server - Why is the IP source obtained by analyzing the Nginx log file incorrect?

Use Python to process the access.log log file of Nginx. After getting the IP, use the API of www.ipip.net to locate it. I found that the results are very different from what I expected. Some access locations that I can determine do not appear. Which ones are they? Something went wrong? nginx’s acces...

阿神 2017-05-16 17:18:31 0  1  597

javascript - js arithmetic problem, solve it~~

"1"- -"1"; The result of the above operation is 2. If you omit the space in the middle, an error will be reported. If there is a space, the result will be 2. Can someone please analyze why? Thanks~~

大家讲道理 2017-05-19 10:37:30 0  5  506

Confused about php recursion?

{Code...} I searched this recursion on the Internet. The more I read his comments, the more confused I became. The following recursion has the same function as it. {Code...} Can you help me analyze the difference between the following functions? Is the comment on the first recursion correct?

黄舟 2017-06-30 09:56:06 0  2  884

nginx - Regular match for userAgent in native safari?

I want to analyze the number of visits from iOS native browsers in nginx logs. However, many browsers now contain Safari strings in their useragent information. Is there any regular expression that can match native Safari?

PHPz 2017-05-16 17:16:27 0  1  569

Is multiple default MySQL servers feasible in Docker's phpMyAdmin?

I'm trying to use Docker to build an environment that includes two MySQL servers and a phpMyAdmin server to easily analyze data during development. My docker-compose.yml file is as follows. version:"3.9"services:database1:container_name:Database1image:mysql:8.0.28command:--default-authenti...

P粉718730956 2023-08-25 21:56:14 0  1  505