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Objective-c - How should delegateQueue in GCDAsyncSocket handle callbacks if it does not want to use the main thread?

[Problem] I am using GCDAsyncSocket for Tcp Socket processing. If it is in the main program, I can handle the callback of the result normally, but I want to encapsulate the Socket processing in a library, and complete the Socket initialization and information reception processing in this library. , ...

阿神 2017-05-02 09:28:01 0  0  582

Placeholders within docx template are not replaced

I'm using this library to replace some placeholders with docx templates and generate multiple documents. I'm using neutral novo and vue on the front end, and I've created a method that passes the selected docx file and data to the library for processing. I used a for loop in this way //puttingallthe...

P粉436410586 2024-03-30 09:15:01 0  1  639

How to get the last offset in a topic from Kafka using php library?

I'm writing a Kafka consumer for an API project using the php-rdkafka library. I need to find the last offset in the topic and get the value from it for further processing. For example, last offset in topic = 5, then I need to get offset 5 and send it through API until new offset is added. What I'm ...

P粉763662390 2023-09-10 11:00:45 0  1  790

javascript - I plan to write a C++ node image processing module. Is there any recommended C++ image processing library?

As the title says, I want to write a C++ node image processing module. The main function is Poisson fusion of images. The main technical points involved are: 1. Read image pixels (jpg, png, etc.) 2. Perform matrix operations on pixels 3. Convert For the pixel writing image matrix operation part, eig...

滿天的星座 2017-05-16 13:21:47 0  1  894

How to use the same color variable in both Storybook palette and component?

I created a library of UI components and used Storybook to provide documentation and examples for it. My goal is to declare a color palette in a SCSS file and use it in components and storybook palettes. Storybook Palette is a built-in storybook component that can create documentation for your color...

P粉670107661 2023-08-29 21:24:33 0  1  781

PHP throws exception vs true or false

Use Boolean for logic processing. {code...} PHP exception handling, code source {code...} I hope the master can explain the difference between the two and their respective benefits, thank you.

僅有的幸福 2017-05-16 13:05:02 0  3  571

c - How to activate phpfpm in nginx to execute php files?

We all know that when nginx parses a php request, it will transfer the request to fpm for processing. I want to write a simple web server myself, and now it can also parse the php request. That is how to pass the request to fpm like nginx does. I don’t quite understand the return information receive...

淡淡煙草味 2017-05-16 13:10:24 0  2  688

Display subjectAltName from CSR in php

I'm having trouble displaying CSR topic alternative names using PHP. I did some research and found some interesting stuff, but the problem is, that was 10 years ago and there is no code to refer to. The link is as follows: HowdoyougetthesubjectAltNamefromaCSRinPHP? The library is phpseclib. It has d...

P粉115840076 2023-09-05 14:30:34 0  1  580

Problem of uninstalling php on linux centos7

I am a newbie. I set up a centos server and installed apache+php+mysql according to the instructions at https://help.aliyun.com/docum.... The php version is 7.0.12, but I want to install the extension library later. Can't install. Then I searched online for other ways to install other versions of ph...

黃舟 2017-06-28 09:24:29 0  3  1204

When requesting static resources from nginx, will nginx still submit it to php-fpm for processing?

For example, when I request a static resource such as txt, img, css, and js. Will nginx still hand this request over to php-fpm for processing? Note that the requested resource URL corresponds one-to-one with the root directory of the website and is not rewritten or otherwise. If so, please tell me ...

過去多啦不再A夢 2017-05-16 17:25:01 0  2  600

Using JS $(this).attr('action'); in Html cannot get the value

I have just been exposed to PHP for a short time and am a novice. Now I am stuck and I can’t find a solution online. Now I want to implement a simple function: use ajax in Html to pass variables to the test2 method in PHP. ---thinkphp 3.2.3, ajax submission, php function processing problem: cannot r...

品茗坐看風吹雨 2018-03-21 14:21:21 0  4  2464

PHP returns NaN value

I have a function that calculates the distance between two GPS coordinates. I then get all the coordinates from the database and loop through them all to get the distance between the current coordinate and the previous one and then add it to an array for the specific GPS device. For some reason it r...

P粉914731066 2024-03-25 17:22:54 0  2  863

PHP is used as the background. When a web request comes, can it be processed using multiple processes or threads?

It is said that PHP does not support multi-process, so is this scenario not suitable for PHP? If I want to update the information of a thousand data, upload a sql file, and then execute it one after another, it will definitely be very slow. Can I use pcntl_ related functions in the code to implement...

為情所困 2017-06-05 11:09:26 0  4  744

Encountering a black screen when trying to retrieve user data from the backend

On the frontend I'm using ReactJs and I've been trying to get the logged in user's data from the backend (PHP) via axios.get, set a condition for the user and if met they will be returned to the login page. The backend is returning nothing and appears to return to login. The situation is because the...

P粉921130067 2024-03-29 11:08:15 0  1  488

About the integration of apache and tomcat

The company website is written in jsp and the company's official account is written in php. One uses apache and the other uses tomcat. How to share the two ports to port 80? Or jsp requests are distributed to tomcat for processing. Most of the online modules use the mod_jk module. This module did no...

我想大聲告訴你 2017-05-16 16:59:06 0  1  620

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...

曾經(jīng)蠟筆沒有小新 2017-05-27 17:42:33 0  2  1131

Convert JavaScript regular expression to PHP

I know this question has been asked about a dozen times, but technically it's not a scam (check the other questions if you like) ;) Basically, I have a Javascript regex to check with for the front-end validation of the email address, and I use CodeIgniter to double-check on the back-end in case the ...

P粉465675962 2023-10-23 22:58:33 0  2  1142

How to copy Excel FV function in PHP?

I'm converting some fairly complex calculations from an Excel spreadsheet to PHP. I'm stuck on the conversion of Excel's FV function, which is defined like this: FV(interest_rate,number_payments,payment,PV,Type) I've been working on this for 2 hours and I must be missing something. Essentially, I ne...

P粉106301763 2023-11-04 15:54:09 0  1  992

javascript - Long Weibo generation tool development ideas

I want to develop a long Weibo generation tool for my blog, which is to save the blog content as a long picture and share it on Weibo. Are there any good implementation ideas? You can use php, golang, javascript, html5. I have seen this library html2canvas.js, but unfortunately it can only...

世界只因有你 2017-05-16 13:09:00 0  3  636

The pit you were led into by training

It’s my first time posting an article and I’m a little nervous. . . Let me complain about my php pit history. . . Before graduation, I studied dental medicine technology, which was embarrassing. . . Later, during my internship, I worked in a processing factory making porcelain teeth. . . Then I left...

神沐 2018-09-26 17:32:28 0  5  1655