Cached Database Memcached - Install and Manage Database Operations
1. Introduction to Memcached:
(1) Introduction:
Memcached is a high-performance distributed memory object caching system for dynamic Web applications to reduce database load.It improves the speed of dynamic, database-driven Web sites by caching data and objects in memory to reduce the number of times the database is read.Memcached is based on ...
Posted by alvinchua on Mon, 23 Dec 2019 12:56:56 -0800
Linux MySQL prompt: The server quit without updating PID file problem solving
The previous testing machine used by the company did not empty the original data, resulting in multiple environment versions of mysql, php, nginx, and apache. Because the php version is 5.2, it is too low for testing. I installed the integrated environment directly for the convenience of testing.
By checking mysql logs and l ...
Posted by johnb352 on Sun, 22 Dec 2019 10:55:54 -0800
[Dada Front End] JavaScript Array Object
Author| Jeskson
Source|Dada Front End Bistro
JavaScript array object
An array object is a variable type used to store multiple values in a single variable.
Syntax for creating array objects:
new array();
new array(size);
new array(element0, element1, ..., elementn);
The parameter size represents the number of array elements, returns the arr ...
Posted by gmp on Sat, 21 Dec 2019 12:11:09 -0800
Docker Separate Deployment LNMP
1. Preparing the environment
Installation of docker can be referred to Docker introduction and installation details Not here!
Case Requirements:(1) Each container needs to achieve data persistence;(2) Assign a fixed IP address to the container to prevent the IP address from changing after the container is rebuilt, causing unnecessary troubles; ...
Posted by TheUnknown on Fri, 20 Dec 2019 13:19:30 -0800
Notes on cluster construction
Catalog
Integrated architecture
Host planning ip
Basic optimization
m01 build yum warehouse
Backup Rsync network wide backup
nfs shared storage project
Real time replication of NFS shared storage data to backup
SSH, Ansible, batch management service project
MySQL database environment construction
The construction of Nginx+PHP popular dynamic W ...
Posted by ben_johnson1991 on Fri, 20 Dec 2019 08:04:42 -0800
How can YiluPHP directly use all classes without configuration or injection?
Friends who have used YiluPHP have found that no matter model class, logical class, auxiliary class or tool class, you do not need to set load or injection in the configuration file or use include or require or use in the page when you use all classes. Just use $app - > class name - > method name (). This mechanism is so convenient that e ...
Posted by mxdan on Fri, 20 Dec 2019 03:56:07 -0800
LNMP memcached front end data cache and session session retention
Article directory
1, memcached front end data cache
1. Test the lnmp environment.
2. Download and install memcache
3. Modify php.ini configuration file
4. Restart nginx and php
5. Write php connection memcached test
2, memcached for web session retention
1. Modify the configuration file (all web environments)
2. restart
...
Posted by mostwantedunm on Thu, 19 Dec 2019 13:51:19 -0800
Uploading and downloading pictures of wechat applet
As we all know, small programs have a large number of APIs, file (picture) upload is one of them
Let me share my personal usage. What I have done is to publish and mix images and text like space log
First is the selection of pictures. Using wx.chooseImage, the selected pictures are stored in an array for easy upload
chooseImage: ...
Posted by udendra on Thu, 19 Dec 2019 11:03:21 -0800
jQuery uses Ajax to pass json to php for processing
First look at the renderings
This is a way to send the login information of html page to php page through ajax using json data. php processes the data and then sends it back to html page for display
js code
<script type="text/javascript">
$(function(){
$("#btn").click(function(){
$.ajax({
url:'bac ...
Posted by jkewlo on Thu, 19 Dec 2019 10:23:19 -0800
jquery realizes sku multi-attribute selection (product details page)
Reproduced in https://blog.csdn.net/csdn924618338/article/details/51455595
Source code
<!DOCTYPE HTML><html lang="en-US"><head> <meta charset="UTF-8"> <title>commodity SKU Choice DEMO3</title></head><body><style type="text/css"> ul,li{ padding:0px; margin:0px;} #panel{ width ...
Posted by will_1990 on Thu, 19 Dec 2019 09:31:12 -0800