Asksearch_php.cn

Community

Learn

Tools Library

AI Tools

Leisure

English

Popular searches：
PHP
MySQL
jquery
HTML
CSS

CentOS How to use Linux command line to test network speed/bandwidth

What Linux commands can be used in CentOS7.6 to test the network speed or bandwidth of the cloud server?

想无 2021-12-31 16:35:04

centos下nginx+php-fpm 高并发

虚拟机配置是四核+10G内存+10M带宽，业务不复杂，做了一些优化后（nginx分配进程，php-fpm进程，和内核的一些优化）感觉并不理想，并发4000左右就开始慢了，再多会出现504。不知道瓶颈在哪里，该怎样优化？

淡淡烟草味 2017-04-25 09:01:27

php - How to count the traffic of each website in the Linux server?

There is an Alibaba Cloud ecs with many websites deployed in it. Recently, the server has been particularly stuck. It is found that the number of visits is relatively large and the bandwidth is full. How can I count the traffic statistics of each website in the server and find out which website uses...

为情所困 2017-06-14 10:50:12

Is sending emails through javamail related to the network environment?

I tried to use javamail to send emails on the Great Wall Broadband at home. It keeps reporting error 554, but when my computer is connected to the mobile hotspot, it can be sent successfully. It can also be sent successfully through the company's China Unicom network. Is the success of javamail rela...

为情所困 2017-06-15 09:21:46

Eagerly looking forward to Teacher Zhu's reply, the web video online player plug-in configuration is incorrect.

Hello, Teacher Zhu, I see that the video addresses on our website are all in the structure of < src:blob:http://....>. No matter how long the video is, they will load quickly, not at all. No jamming. 1. Ours should also be a ckplayer player. How did you optimize the video problem (back-end upl...

正在输入... 2020-01-04 23:22:16

Eagerly looking forward to Teacher Zhu's reply, the web video online player plug-in configuration is incorrect.

Hello, Teacher Zhu, I see that the video addresses on our website are all in the structure of < src:blob:http://....>. No matter how long the video is, they will load quickly, not at all. No jamming. 1. Ours should also be a ckplayer player. How did you optimize the video problem (back-end upl...

正在输入... 2020-01-04 23:18:13

How to add amphtml and canonical links for dynamic page views

I followed this post and this post to optimize my Laravel website for GoogleAMP. My website shows different views for different routes. For example, / will open the index page (after binding multiple views), while the /amp route will point to the amp version of the index page. According to the AMP d...

P粉515066518 2024-03-27 23:27:35

How to prepare for the Java-oriented major factory recruitment project part

There are a lot of interview experiences on the Internet, and there are also many excellent test-taking websites for the algorithm part. In this question, I would like to ask you how to prepare for the project part of the interview with a major company. I will not discuss aspects such as JVM, Algori...

怪我咯 2017-05-17 10:07:28

Survey: Leave a message about the course you most want to learn!

PHP Chinese website premium course channel was officially launched in May this year! At present, many technical experts with many years of practical experience have joined us and become our cooperative lecturers! We plan to launch a batch of excellent quality courses in 2023! This post is a course s...

z老师 2022-12-05 11:59:51

javascript - Why is it said that the separation of front and back ends is not conducive to seo

I just recently built a multi-page Vue project, but I saw many people on the Internet saying that the separation of front-end and back-end is not conducive to SEO. Why? Is it conducive to SEO optimization to write static pages on the front end and send them to the back end for server-side rendering?...

PHP中文网 2017-05-19 10:11:53

Ways to fix issue 2003 (HY000): Unable to connect to MySQL server 'db_mysql:3306' (111)

I recently tried to containerize my FastAPIPython server (also for replication/doubling purposes). Before, I had just a MySQL server in a Docker container and everything was fine, but when I also made my web server a service, it couldn't connect to the MySQL server, so now the application doesn't wo...

P粉178132828 2023-09-05 11:18:47

Experiment with sorting after query limit

So this is my first question here, please forgive me if something is wrong. I'm trying to make a sort query based on constraints. So there is a Customers table with 90 records. I want to first perform a query limited to 3 records, and then sort the results of this query by a column called ContactNam...

P粉237125700 2023-09-05 14:46:42

CSS Grid: Create new row when child content overflows column width

I have a two column layout based on CSS grid. When the content of the second column exceeds 1fr I want to create a new row. As it currently stands, the content simply overflows the column. One requirement of this layout is that the items in the right menu column are in one row. I achieve this with: ...

P粉212114661 2023-09-05 15:18:28

PHP full text search functionality using AND, OR and NOT operators

Newbie question: I'm trying to implement a full text search on a search string using php and eloquent. $searchstring="+(victimsuspect)+crime-covid";$searchresult=RssItem::whereRaw("MATCH(description)AGAINST('$searchstring'INBOOLEANMODE)")->ge

P粉076987386 2023-09-05 15:06:32

Shortest way to convert all PHP types to string

I'm writing a general system that I hope can one day be applied to fields like medicine (i.e. it's "scientific"). I think the best way is to represent all the data in php with strings (true will be "true", false will be "false" and so on). The reason for this is that in...

P粉369196603 2023-09-05 15:34:44

How to get average of DATETIME column in MySQL while grouping by other columns

I'm creating and populating a MySQL table using the following query: SETtime_zone='+00:00';CREATETABLEtimestamp_n_datetime(idINT,timeDATETIME,avg_timeDATETIME);INSERTINTOtimestamp_n_datetime(id,time,avg_time)VALUES("1","2023-01-0310:

P粉460377540 2023-09-05 11:46:21

Multi-device (mobile phone) synchronization - React Native

I'm trying to create a Lightshow that will launch on all users' mobile devices at the same time (can have up to 2000-3000 users). All users will use the Internet (Wi-Fi or mobile data). In our FE we use Apollo for subscriptions and it works like a charm. But the problem is, user A can get subscribed...

P粉151466081 2023-09-05 11:58:38

Spades, Diamonds, Hearts, Clubs => styles do not change font color in Chrome for Android

In Google Chrome on Windows, the card suit symbols (spades, hearts, diamonds, clubs) are colored correctly using the "style" attribute. Unfortunately, the same page displayed in Google Chrome on Android does not display the colors I defined but uses the default black and red. (See the atta...

P粉896751037 2023-09-05 15:25:13