Programmer Group

Today's young people can really play, more and more new things come out, and more and more fun things are popular. It's like the blind box of the recent fire stall. Seriously, I didn't know what a blind box was before. In front of me, a fan asked me to develop a small blind box program. Therefore, I went to the stall and bought some bl ...

Vue like rendering and database of wechat applet Front row idea: the content of this article includes: Class Vue rendering → wxss.js.wxml → cloud development → cloud development usage (storage and database) → database initialization → insert → json file import → query → life cycle Front row tips: Th ...

Query user system information wx.getSystemInfo() Obtain user system information (traditional, synchronous, available Promise style) wx.getSystemInfoSync() Obtain user system information (synchronous, Promise style available) wx.getSystemInfoAsync() Get user system information (asynchronous) usage method Pass in an object in th ...

One. Generate static library and dynamic library with Gcc. 3. Static library When the program is compiled, it will be connected to the object code. The existence of static library is not required for program operation. 3. Dynamic library It is not connected to the object code when the program is compiled, but loaded when the program is runn ...

1, Procedural thought         Threads are characterized by independence, concurrency, and threads share memory. Think of the main function as a main thread. The work of the main thread is to allocate the number from 30000000, and the four sub threads grab the number from the main thread. This requires an intermediate varia ...

Recently, in the research of small programs, we used Jingdong React based small program development framework Taro. Compared with mpvue and uni app, Taro is more elegant and stable. Big factories are iterating, but it is different. In a word, there are fewer pits ~ Pre knowledge Before reading this tutorial, you need to master the developme ...

I. understanding development tools Development interface description 1. wxml is mainly used to layout components (equivalent to building structure) For example, how many floors are there in the building, how many rooms are there on each floor, and what equipment are there 2. wxss mainly determines the display style (determines the style o ...

Template syntax WXML is a set of tag language for framework design. Combined with basic components and event system, it can build the structure of the page Differences between WXML and HTML: text in WXML is equivalent to span in HTMLview in WXML is equivalent to div in HTMLCheckboxes in WXML are equivalent to checkbox es in HTML Data bindin ...

When an exception is triggered, the program will not run again Functions of exception handling: Try to keep the program running normally Find and solve problems as soon as possible Exception type -IndexError # 1.IndexError mlist = [5,6,7] print(mlist[100]) When an exception is triggered, the following code will not run again - Na ...

1. Load local fonts When doing applet projects, sometimes in order to improve the page display effect, some third-party fonts will be introduced in the following code snippets /*Public css per page */ @font-face { font-family: "alifont"; // It's your name src: url('/static/css/subset-AlibabaPuHuiTiR.ttf') format('truetype'); // The lo ...