php website speed optimization

PHP website speed optimization, URL: http://www.daitianxiapr.com/esf; if any master is willing to join the fire, please add me on WeChat 13880287714

代天下房产置业顾问黄先生 2021-07-27 18:06:26 0  1  1136

mysql optimization - How to optimize mysql count(id) query speed?

The table structure is shown in the figure. The current data volume is 8000W rows. Are there any optimization methods and ideas?

某草草 2017-05-18 10:51:05 0  7  979

c# - mysql query optimization?

1. There are more than 1 million pieces of data. The count speed is very slow. Please let me know how to optimize it. 2. Code: {code...} 3. Index user table

怪我咯 2017-05-18 10:51:56 0  5  772

mysql - sql statement optimization issues

{Code...} Assuming that the amount of data in table c is millions, how to optimize these two pieces of data to make the execution faster. Thank you

女神的闺蜜爱上我 2017-06-14 10:50:39 0  4  1063

In mysql optimization, the field setting is not null.

In mysql optimization, try to avoid setting fields to null, which will affect query speed. This refers to whether only the index field is not set to null, or it is best not to set all fields to null.

Craile 2020-04-05 10:27:28 0  3  1401

javascript - requirejs module optimization problem

When the requirejs module is optimized and packaged, a module ID will be added to the anonymous define function after it is packaged. Can it be configured to be anonymous define after packaging?

黄舟 2017-05-19 10:25:19 0  1  671

javascript - performance optimization issues

How to optimize this code? The boss said that it should be converted into ES6 map data structure. I may have done it wrong and it seems to be slower. This is the optimization I did. It seems to be slower. Please give me some advice.

高洛峰 2017-07-05 10:54:21 0  6  1047

javascript - How to optimize web page opening speed?

1. Reduce the number of file requests, 2. Use sprite images. 3. Use lazy loading. (How to reduce the number of file requests?) (Why can it be optimized by reducing the number of file requests? If I have 10 10k files and one 100k file, and my 10 10k files are imported at the same time through multipl...

淡淡烟草味 2017-06-10 09:48:27 0  3  662

javascript - nodejs optimization problem

If I need to use nodejs to request multiple java interfaces and finally get all the data to render the page, how can I improve the speed? Before, I was like this {code...} This speed is very slow. Then I quoted async {code...} which made it a little faster, but still very slow. Is there any good sol...

过去多啦不再A梦 2017-05-16 13:44:59 0  5  480

Optimization of Mongodb index?

It is not clear that there is no optimization in the index village. There is no in-depth understanding of indexes. Please help explain it by the way! 1. Each piece of data has geographical information. (province, city), then I created the index: {code...} My doubt is, when this was created, there wa...

伊谢尔伦 2017-05-17 10:01:49 0  2  707

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:

过去多啦不再A梦 2017-05-19 10:07:08 0  1  593

javascript - optimization of a regular expression

Match the integer of 1024-65535, that is, 65535 >= x >= 1024. Use regular expressions to write it. Mine is /^(102[4-9]|10[3-9]d{1}|1[ 1-9]d{2}|[2-9]d{3}|[1-5]d{4}|6[0-4]d{3}|65[0-4]d{2} |655[0-2]d{1}|6553[0-5])$/ Is there a more concise and optimized way to write it?

伊谢尔伦 2017-05-19 10:09:54 0  4  598

javascript - Front-end performance optimization, how to locate the blank time between timeLine resources?

I just came into contact with the front-end optimization of a project. When I looked at timeLine in Google Developer Tools, I found that there was a blank space between two resources, as shown in the picture. I don’t know what caused it. How to locate & optimize it? .]

世界只因有你 2017-06-26 10:51:10 0  2  868

Optimization of roles and display of passwords during editing

Why not just use {$vo.gid>1?'Developer':'System Administrator'} when optimizing roles? Isn't this more straightforward? I want to display the password of the edit button. After adding value="{$data.item.password}", the username and password fields in the add button should be empty, but ...

自渡 2018-10-09 14:42:34 0  0  1270

Problems with Python3.6 int optimization mechanism, 64-bit machines (-5 to 257)

Optimization mechanism in Python (both 2.7 and 3.5): Numbers between -5~257, if you use the first assignment method, they still belong to the same memory. But the test code I wrote on my local machine is as follows: As a result, this does not comply with the above. Then I compiled it on the Python o...

ringa_lee 2017-05-18 10:54:54 0  1  802

What to use to edit d07fc112997673d830132163a7c7a693

What is the best editor for d07fc112997673d830132163a7c7a693. See the speed of meeting without encryption

A波哥 2018-01-16 11:13:29 0  1  1143

javascript - Two jQuery operations trigger the same function, how to optimize the writing?

{Code...} For example, if you click a button or press Enter in the input box to perform the same operation, can it be optimized into the following type of code: {Code...}

phpcn_u1582 2017-05-19 10:34:29 0  1  448

Optimizing React Application Performance: An Efficient Way to Render Large Numbers of Projects

I'm developing a React application and need to display a large list of items (thousands of rows). Currently, performance is very slow when the user scrolls through the list or filters items. Is there any way to optimize the performance of my React application to improve user experience? Some additio...

P粉733166744 2024-01-16 20:43:20 0  1  462

mysql optimization gender optimization

There are hundreds of thousands of users in the database, 90% of whom are men. Sex = 1. For example: select uid member where sex =1 and xxx xx. Then the sex table will be scanned. How to deal with this?

怪我咯 2017-05-18 10:51:08 0  3  772

How can I optimize my script to cope with Google Apps Script's 6-minute time limit?

As a beginner, I wrote a script to populate all my GoogleDrive folders into Google Sheets. Even though the script works, I'm getting an error: Maximum execution time exceeded and my folder results list isn't complete yet. I can't figure out how to handle/fix execution timeouts. I've searched multipl...

P粉579008412 2023-09-07 17:55:10 0  1  671