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First of all, wechat users need to log in automatically to check the session. If the session expires, log in again wx.checkSession({ success: function (res) { }, fail: function (res) { console.log("Need to sign in again"); wx.login({ success(res) { if (res.code) { ...

Now many Android mobile terminals will use the combination of TabLayout+ViewPager. The native only has horizontal layout design. Here is a vertical tablayout control.I use AS, just introduce compile 'q.rorbin: verticaltablelayout: 1.2.5' into gradle Find this class q.rorbin.verticaltablayout.VerticalTabLayout setTabHeight set TAB heightSet ind ...

Record some errors during upgrade. This upgrade is 1.5.x upgrade to 2.1.4 ---------------------------------------------- If java version is lower than 8, please do not upgrade. spring boot 2.0 requires at least java 8. ---------------------------------------------- One: WebMvcConfigurerAdapter has been abandoned @Configuration public cl ...

Ali P7 Mobile Internet Architect Advanced Video (Updated Daily) Free Learning Click: https://space.bilibili.com/474380680This article will use Glide to illustrate the Picture Loading Frame selection: First, add dependencies implementation 'com.github.bumptech.glide:glide:4.5.0' annotationProcessor 'com.github.bumptech.glide:compiler:4.5.0' The ...

Basic tutorial of Xamarin chart development (8) OxyPlot framework [example OxyPlotFormsDemo] display the line graph in Xamarin.Forms. (1) open the Xamarin.Forms project. (2) add the OxyPlot.Xamarin.Forms component to the introduction of each subproject. (3) open the MainActivity.cs file of the subproject OxyPlotFormsDemo.Android, and initia ...

How to judge whether the scroll reaches the bottom? The first knowledge to understand: scrollHeight,clientHeight,scrollTop scrollHeight Read only property, height includes all contents, including inner margin, but not including horizontal scroll bar, border and outer margin. clientHeight It is also a read-only attribute. The element without ...

Now there are three main login methods: account password login, SMS verification code login and third-party authorized login. The previous section Spring security (3) -- authentication process We have analyzed the spring security account password mode login. Now let's analyze the spring security SMS mode authentication login.   &emsp ...

Use and usage of Handler Most people who have written Android programs will encounter ANR (Application Not Responding).If the program does not respond for a period of time, a dialog box will pop up to let the user choose whether to continue waiting or force the application to close.To avoid ANR, we need to put time-consuming logic into a backg ...

Ordered list: Sort by key. When the chain head is deleted, the minimum (/ maximum) value is deleted. When inserting, the insertion position is searched. When inserting, you need to compare O(N), average O(N/2), and delete the minimum (/ maximum) data in the chain head with an efficiency of O(1), If an application needs frequent access to (ins ...

Scavenging Logon Function Demo-Postman Simulated Scavenging Request Scavenging Logon Function - Polling or Long Connection WebSocket - Zxing Generate 2D Code Scavenging login is actually a login request, but the information is stored on the user's mobile phone. It also needs two-dimensional code to verify whether the matching method can be used ...