NOTE

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using MetLife.RMDashboard.BLL;
using MetLife.RMDashboard.BLL.Entity;
using MetLife.RMDashboard.Common;

namespace MetLife.RMDashboard.Web
{
    public partial class Trend : BasePageResourceManagement
    {
        #region page event handler
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                btnView.Attributes.Add("onclick", "javascript:CheckDataValue('" + txtDateFrom.ClientID + "','" + txtDateTo.ClientID + "')");
                DateTime endDate = DateTime.Now;
                DateTime startDate = endDate.AddMonths(-5);
                txtDateFrom.Text = startDate.ToShortDateString();
                txtDateTo.Text = endDate.ToShortDateString();
                buildTrendModel(startDate.ToString(), endDate.ToString());
            }
            string reportType = ApplicationHelper.GetReportType(this.Page);
            Session[Constants.QUERY_STRING_REPORT_TYPE] = reportType;
            string calscript = "$(function(){$('#" + txtDateFrom.ClientID + "').datepicker({yearRange: '1900:2099',showOn: 'both', buttonImage: 'Image/calendar.gif', buttonImageOnly: true,showButtonPanel: true});});";
            Page.ClientScript.RegisterStartupScript(this.GetType(), txtDateFrom.ClientID, calscript, true);
            string calscript2 = "$(function(){$('#" + txtDateTo.ClientID + "').datepicker({yearRange: '1900:2099',showOn: 'both', buttonImage: 'Image/calendar.gif', buttonImageOnly: true,showButtonPanel: true});});";
            Page.ClientScript.RegisterStartupScript(this.GetType(), txtDateTo.ClientID, calscript2, true);
        }

        protected void btnView_Click(object sender, EventArgs e)
        {
            string startDate = txtDateFrom.Text;
            string endDate = txtDateTo.Text;
            buildTrendModel(startDate,endDate);
           
        }
        #endregion  

        #region page private method
        protected void buildTrendModel(string startDate, string endDate)
        {
         
            string trendSessionIdentify = startDate + endDate+Session[Constants.QUERY_STRING_REPORT_TYPE].ToString();
            List<TrendModel> utlOfTrend = null;
            try
            {
                if (Session[trendSessionIdentify] != null)
                {
                    utlOfTrend = Session[trendSessionIdentify] as List<TrendModel>;
                    BindToChart(utlOfTrend);
                    BindToGridView(utlOfTrend);
                }
                else
                {
                    if (Session[Constants.QUERY_STRING_REPORT_TYPE] != null)
                    {
                        if (Session[Constants.QUERY_STRING_REPORT_TYPE].ToString() == Constants.QUERY_STRING_REPORT_TYPE_VALUE_ACTUAL)
                        {
                            utlOfTrend = BizTrend.GetActualTrendList(startDate, endDate);
                        }
                        else
                        {
                            utlOfTrend = BizTrend.GetPredictionTrendList(startDate, endDate);
                        }
                    }
                    else
                    {
                        utlOfTrend = BizTrend.GetActualTrendList(startDate, endDate);
                    }
                    Session[trendSessionIdentify] = utlOfTrend;
                    int count = utlOfTrend.Count;
                    if (count == 0)
                    {
                        Chart1.Visible = false;
                    }
                    BindToChart(utlOfTrend);
                    BindToGridView(utlOfTrend);
                 }
            }
            catch (Exception ex)
            {
                ExceptionProcesser.HandleExceptionWithRedirection(ex, Constants.LOAD_DATA_ERROR_MESSAGE);
            }
        }
        protected void BindToChart(List<TrendModel> utlOfTrend)
        {
            Chart1.Series["Series1"].Points.DataBind(utlOfTrend, "DateFormat", "Utlization", "Label=UtilizationPercent,ToolTip=UtilizationPercent");
            //Chart1.Series["Series1"].IsValueShownAsLabel = true;
           //DataBindXY(utlOfTrend, "DateString", utlOfTrend, "Utlization");
        }
        protected void BindToGridView(List<TrendModel> utlOfTrend)
        {
            gvTrendOfMetLife.AutoGenerateColumns = false;
            gvTrendOfMetLife.DataSource = utlOfTrend;
            gvTrendOfMetLife.DataBind();
           
        }

        #endregion
    }
}

 

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace MetLife.RMDashboard.BLL.Entity
{
    public class TrendModel
    {
        public DateTime? Date { get; set; }
        public string  DateString
        {
            get
            {
                return Date.Value.Year.ToString()+ "-" + Date.Value.Month.ToString();
            }
        }
        public double? SumBilledHrs { get; set; }
        public double? SumAvailableHrs { get; set; }
        public string Utlization 
        {
            get
            {
                return double.Parse((SumBilledHrs / SumAvailableHrs * 100).ToString()).ToString("F2");
                
            }
 
        }
        public string UtilizationPercent
        {
            get
            {
                return double.Parse((SumBilledHrs / SumAvailableHrs * 100).ToString()).ToString("F2") + "%";
            }
        }
        public string DateFormat
        {
            
            get
            {
                int month = Date.Value.Month;
                int year = Date.Value.Year;
                EnglishShortMonth englishMonth = (EnglishShortMonth)month;
                return englishMonth.ToString() + "-" + year.ToString();
            }
        }
        public enum EnglishShortMonth
        {
            Jan = 1, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
        } 
    }
}
 
内容概要:本文详细介绍了如何使用STM32微控制器精确控制步进电机,涵盖了从原理到代码实现的全过程。首先,解释了步进电机的工作原理,包括定子、转子的构造及其通过脉冲信号控制转动的方式。接着,介绍了STM32的基本原理及其通过GPIO端口输出控制信号,配合驱动器芯片放大信号以驱动电机运转的方法。文中还详细描述了硬件搭建步骤,包括所需硬件的选择与连接方法。随后提供了基础控制代码示例,演示了如何通过定义控制引脚、编写延时函数和控制电机转动函数来实现步进电机的基本控制。最后,探讨了进阶优化技术,如定时器中断控制、S形或梯形加减速曲线、微步控制及DMA传输等,以提升电机运行的平稳性和精度。 适合人群:具有嵌入式系统基础知识,特别是对STM32和步进电机有一定了解的研发人员和技术爱好者。 使用场景及目标:①学习步进电机与STM32的工作原理及二者结合的具体实现方法;②掌握硬件连接技巧,确保各组件间正确通信;③理解并实践基础控制代码,实现步进电机的基本控制;④通过进阶优化技术的应用,提高电机控制性能,实现更精细和平稳的运动控制。 阅读建议:本文不仅提供了详细的理论讲解,还附带了完整的代码示例,建议读者在学习过程中动手实践,结合实际硬件进行调试,以便更好地理解和掌握步进电机的控制原理和技术细节。同时,对于进阶优化部分,可根据自身需求选择性学习,逐步提升对复杂控制系统的理解。
03-21
### Note Application or Functionality in IT Context In the IT context, a note application refers to software designed for creating, organizing, and managing textual information such as notes, lists, reminders, etc. These applications often provide features like real-time synchronization across devices, tagging, categorization, searchability, and sometimes integration with other productivity tools. The concept of sharing working objects between application components at runtime can be directly related to how modern note-taking apps function[^1]. For instance, these applications may use shared memory spaces or inter-process communication mechanisms to ensure seamless interaction among different parts of an app while maintaining performance efficiency. Additionally, when debugging complex systems involving graphical user interfaces (GUIs), libraries similar to Inspector—a Qt-based tool—can play crucial roles by allowing interactive inspection into lower levels of data models used within those GUI frameworks[^2]. Such capabilities are essential during development phases where understanding internal states becomes necessary for resolving issues effectively. Regarding Android-specific implementations mentioned through LayoutInflater example provided earlier[^3], it demonstrates one way contexts might influence layout inflations which indirectly affects UI elements rendering including potential custom views representing individual 'notes'. Here's simplified code snippet showing basic usage pattern: ```java // Example demonstrating typical utilization scenario. public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // Obtain reference via system service method call. LayoutInflater inflater = LayoutInflater.from(this); View view = inflater.inflate(R.layout.activity_main, null); setContentView(view); } } ``` This piece illustrates obtaining `LayoutInflater` object using its factory method tied closely to current activity lifecycle state represented here symbolically under term **context**, thus affecting overall behavior dynamically based upon varying conditions present throughout execution period.
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