Optimistic data locking in PHP concurrency

Cause of Concurrency: an expert named Zhang San is very popular. Suppose Zhang San has a consultation and scheduling between 9:00 and 10:00 this Wednesday morning, the system backg...

PHP wechat code scanning payment

$count = $count*100; vendor('WeixinPC.WxPayApi');// Introduce vendor ('weixinpc. Notify ')// Introduce vendor ('weixinpc. Wxpaynativepay ')// Introduce $notify = new \ nativepay()$...
的头像-Tumi31 day ago

PHP problem – Notice: undefined index:

1.1 notice: undefined index: login in1.1.1 when visiting the web page, the following error message appears: (!) Notice: undefined index: login in D: \ projectwork \ sourcecode \ se...
的头像-Tumi33 day ago
Website front end_ EasyUI. Getting started with basics.0005. The best posture for using easyUI accordion components?-Tumi

Functions and usage of JavaScript Date object

This article mainly explains the function and usage of JavaScript Date object. The content is clear and clear. If you are interested, you can learn it. I believe it will be helpful...
PHP series (XIII) PHP session control-Tumi

PHP series (XIII) PHP session control

PHP session control 1. Cookie 1. Cookie overview of session control cookie is a way that the server or script can maintain client information under HTTP protocol. Cookie is a piece...
的头像-Tumi33 day ago

Method and calculation of JS call time

1. JS get the day of the week of the current date getweek (time){
Hong _8946的头像-TumiHong _894633 day ago

node.js express install on windows 7

1、 Test platform operating system Windows 7 simplified Chinese ultimate x64 II. Installation steps 1. Install node-v0.10.32-x64.msi all default components are selected, and the in...
A3D9719FF927的头像-TumiA3D9719FF92733 day ago

CSS3 telescopic layout box model

The early layout of CSS3 telescopic layout box model mainly depends on tables. The layout mechanism has changed from css2.1, but it is still not much. Developers are usually reluct...
Why is the prospect of the web front end unlimited? Get to know it first-Tumi

Why is the prospect of the web front end unlimited? Get to know it first

With the rapid development of the Internet, the web front-end has attracted more and more attention, and the salary of Web front-end engineers is also increasing. The salary and wo...
caoyuling的头像-Tumicaoyuling33 day ago