• Bid farewell to hard coding and let your front-end table calculate automatically


    GitHub | Demo | Blog | Original link preface When my team developed the tax system module, I found that they needed to spend 80% of their time to solve the calculation problems, especially in the calculation in the grid Write the foreground JS code (because the user’s input in the table will affect other […]

  • Exercise 7-3 judging upper triangular matrix


    The upper triangular matrix refers to the matrix whose elements below the main diagonal are all 0; the main diagonal is the line from the upper left corner to the lower right corner of the matrix. This problem requires the preparation of procedures to determine whether a given square matrix is a triangular matrix. Input […]

  • Calling camera with jQuery webcam plugin


    Welcome to personal website brief introduction The original project encountered a call to the camera function, PHP white encountered this situation immediately to the Internet search, the final usehttps://www.helloweba.com/vie…, too bad, the author did not say how to use, if you use the framework development is very troublesome Today, I found a more flexible plug-in […]

  • Using Vue + zrender to draw three temperature sheets (2)


    Preview address :8077/#/ In the last issue, we talked about how to create a project and create the file structure of each project. In this issue, we will talk about how to draw the line segments in the diagram First of all, in Src / components/ Render.vue Add a reference to import zrender from […]

  • Deveexpress + WinForm


    Video: https://www.bilibili.com/video/BV15x411x7WN?p=7 The application of chart control.   Choose a chart type without considering the superposition of various charts.   Bind data and set abscissa and ordinate. private void XtraForm1_Load(object sender, EventArgs e) { Series series = this.chartControl1.Series[0]; DataTable table = new DataTable(); table.Columns.Add(“Class”); table.Columns.Add(“TotalGrade”,typeof(double)); var row = table.NewRow(); Row [“class”] = class 1; row[“TotalGrade”] […]