How to use decorator to process redis operations in Python?

In python, decorators are used to process redis operations (including adding, deleting, modifying, and checking some operations). How to deal with it?

習慣沉默 2017-05-16 13:20:00 0  1  973

nginx - How to calculate the server's maximum connection handling capacity (TCP)?

Recently I encountered such a problem: proxy server (can be LVS haproxy nginx), here we take Ningx as an example. When performing prxoy cluster proxy, how to judge the connection processing capability of a single server? The proxy server has no load bandwidth and cpu. With any pressure, the only thi...

某草草 2017-05-16 17:28:43 0  1  599

javascript - How to process the data returned by the server without submitting a get request with a custom xhr?

Prerequisite: The server can already process this get request and return the required data. I would like to ask: If this code is used in the HTML page to make a get request to the server: {code...} Then after the get request is sent, how can I obtain and process the data returned by the server as so...

PHPz 2017-05-19 10:42:58 0  1  688

vue.js - vue rich text editor recommendation and php processing base64

vue2 rich text editor recommendation and php processing base64. Now I want to use vue2 to make a PC-side article publishing page. I need to use the rich text editor front-end image to display through base64 and then save it to the server after the user actually submits it. Now I want to ask for advi...

曾经蜡笔没有小新 2017-05-27 17:42:33 0  2  954

android - When the mobile qq browser processes the data returned by the server, why is the data format sometimes object and sometimes string?

When processing the data returned by the server, the data format obtained from other browsers is all object. The data format obtained from the mobile browser is sometimes object and sometimes string. What is the reason?

伊谢尔伦 2017-06-29 10:09:40 0  1  1091

javascript - How to upload images directly from local to cdn without going through server processing?

It's like this: Today, a PHP guy who has been working in the company for 12 years asked me how to directly use the rich text editor to transfer the selected pictures to CDN without going through server processing. He told me that this is how Taobao works. I am a novice and it was difficult to unders...

高洛峰 2017-05-19 10:41:09 0  2  755

Server side - how nginx handles data uploaded via udp protocol

I have been using the http protocol. I recently received a device that sends data to the server through the udp protocol. However, I have never used the udp protocol and I don’t know how to handle it. I would like to ask, if data is uploaded through udp protocol, for example, the port is 123, is the...

我想大声告诉你 2017-05-16 17:09:42 0  1  584

The difference between WEB server and application server:

The difference between WEB server and application server: 1. WEB server: To understand WEB server, we must first understand what is WEB? WEB can be simply understood as the HTML page we see is the data element of WEB, and the application software that processes these data elements is Called WEB serv...

七秒 2021-10-25 14:36:20 0  3  2816

Check if img src tag is empty or null or undefined

I'm processing JSON data and processing that data to insert it into the correct html tags. Sometimes JSON data does not contain information or is simply not available. In the given example, src is empty or the kicker does not exist, which gives something like {} or undefined or '' or null at this li...

P粉111227898 2024-03-28 09:36:47 0  1  368

An error occurs when rendering a template, how to deal with it?

data-href does not exist. The _href attribute was used before v2.5. Please change it to the data-href attribute after upgrading.

飞天 2019-10-18 21:57:36 0  1  1255

Redis message queue problem

The following is my application scenario. For example, the client sends a request. At this time, the server needs to process the request and return it to the client. It should be noted that the user will wait for the return result in real time, so the faster the processing, the better. These tasks c...

天蓬老师 2017-06-16 09:19:17 0  1  1039

javascript - How does axios handle errors of the same type uniformly?

{Code...} My question is: After I handle the validation error in the interceptor, how can I prevent the separate business processing in the page from executing?

巴扎黑 2017-05-19 10:10:54 0  1  547

MySQL Error 2006: The mysql server has disappeared

I'm running a server at my office to process some files and report the results to a remote MySQL server. The file processing takes some time and the process terminates midway with the following error: 2006, MySQLserverhasgoneaway I have heard about the MySQL setting wait_timeout, but do I need to ch...

P粉786432579 2023-08-23 17:47:00 0  2  607

nginx - Are the number of requests per second and concurrency the same concept?

Windows tested the server using apache's ab -c 100 -n 1000 http://www.xxxxx.com and found that the number of requests processed per second was only 20, and the rest were waiting. Doesn't it mean that the default concurrency of nginx is very high? Or the number of requests processed per second and co...

某草草 2017-05-16 17:22:51 0  4  1396

awk - How does vim read files?

I found that notepad++ was very stuck when reading large files, but gvim could process it more smoothly. Is vim a line editor similar to ed, which processes files line by line or partially?

我想大声告诉你 2017-05-16 16:36:13 0  2  715

emulator

Please tell me how to deal with the problem that after the teacher changed the code, the simulator was immediately updated.

girl 2019-07-03 14:45:31 0  1  1380

Can WeChat public accounts push message templates?

#WeChat public account implements the push of message templates? Third-party tool processing solves the problem of daily account restrictions and unrestricted push information. For example, it can be pushed normally in the morning and afternoon #微信 Bang template message group sending, and push infor...

whb2010 2019-03-11 16:10:18 0  4  1399

Retrieve the Router 6 useFetcher method in the form

I have no choice but to call the getter's submit method in the handler. It is accessing the correct action method in the router, but I cannot pass the method to the action, which is method='POST defined in the form. How to access the fetch.Form method inside the handler? constfetcher=useFetcher()con...

P粉993712159 2023-09-06 23:16:42 0  1  484

Am I able to use the mysql built-in function get_lock?

There is a batch job out there. And there are multiple servers that can handle the job. I only want the job to be picked up and processed by one of the many servers during a specific time. In order to achieve this purpose, when investigating the global lock mechanism, I discovered the get_lock funct...

P粉875565683 2023-09-15 21:20:11 0  1  681

How can I install mysql without errors?

MySQL for this installation has been upgraded to 5.7.40, if you still need to run mysql_upgrade, use --forcedpkg: Error processing package mysql-server-5.7 (--configure): Package mysql-server-5.7 is already installed post-install script Process returned error exit status 1 An error was encountered w...

P粉959676410 2024-01-29 09:55:10 0  1  687