cell | 易学教程

iOS calculate text height in tableView cell

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问题 i'm currently developing on an app, which displays some tweets in a tableview. On the storyboard i created a prototype-cell, which includes the basic gui concept of a tweet entry. It looks circa like this: ++++++++++++++ ++Username++++ ++++++++++++++ ++Tweet+++++++ ++++++++++++++ ++Time-Ago++++ ++++++++++++++ Now i'm calculating the height of the cell with the following code, but somehow it fails. - (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {

How to use cell arrays in Matlab?

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I am a beginner at using Matlab and came across cell arrays but I am not sure how to use indexing for it. I have created a cell array of 5 rows and 3 cols by doing the following: A = cell(5,3); Now is it possible to go through the cell array by row first and then col like how a nested for loop for a normal array? for i=1:5 for j=1:3 A{i,j} = {"random"} //random numbers/ string etc end end Dan With cell arrays you have two methods of indexing namely parenthesis (i.e. (...) ) and braces (i.e. {...} ). Lets create a cell array to use for examples: A = {3, 9, 'a'; 'B', [2,4], 0}; Indexing using

Changing datagridview cell color dynamically

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I have a dataGridView object that is populated with data. I want to click a button and have it change the color of the background of the cell. This is what I currently have foreach(DataGridViewRow row in dataGridView1.Rows) { foreach(DataGridViewColumn col in dataGridView1.Columns) { //row.Cells[col.Index].Style.BackColor = Color.Green; //doesn't work //col.Cells[row.Index].Style.BackColor = Color.Green; //doesn't work dataGridView1[col.Index, row.Index].Style.BackColor = Color.Green; //doesn't work } } ALL of these three cause the table to be redrawn over itself in an overlapping manner and

iOS Web page errors over Cellular Data but not over Wifi? Recent change to AT&T Cellular network?

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问题 I'm encountering an issue with certain iOS web pages (in both mobile Safari, Chrome, and in also iOS Webviews in app) over cellular data vs. Wifi, The issue is identical to what was previously posted by someone else here: Mobile Safari Cellular Only Loading Error Unfortunately no answers yet posted to the above URL. Basically, I'm consistently seeing extraneous random garbage characters in the HTML that comes down from cellular data, but the same page loading perfectly okay via Wifi. This isn

布局：flex弹性布局_实践02

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<!doctype html> <html> <head> <meta charset="utf-8" /> <title>H5标准页面</title> <link href="css/css实现树形图 - 副本 (2).css" rel="stylesheet" type="text/css" /> </head> <body class="site"> <article class="cus-cell"> </article> <aside class="cus-cell cell-4 column"> <div class="cus-cell"> </div> <div class="cus-cell cell-3"> </div> </aside> </body> </html> .site{ margin:0; padding:0; display:-webkit-flex; display:flex; min-height:100vh; } .cus-cell{ flex:1 1 0%; border:1px solid red; } .cell-Full{ flex:0 0 100%; } .cell-2{ flex:0 0 50%; } .cell-3{ flex:0 0 33.3333%; } .cell-4{ flex:0 0 25%; } .column{

Excel image in a cell

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问题 How do I insert an image (of type Image) into a specific cell in a Excel sheet taperSheet = (Microsoft.Office.Interop.Excel.Worksheet)excelSheets.get_Item("Taper"); Microsoft.Office.Interop.Excel.Range cell = GetMyPictureCELL(taperSheet); Image myImage = new Image(); RenderTargetBitmap bmp; bmp = new RenderTargetBitmap((int)this.Width, (int)this.Height, 96, 96, PixelFormats.Pbgra32); bmp.Render(myViewPort); myImage.Source = bmp; myImage.Stretch = Stretch.Uniform; and now ? I was hoping for

POI修改Excel

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Java code import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import org.apache.poi.hssf.usermodel.HSSFCell; import org.apache.poi.hssf.usermodel.HSSFRow; import org.apache.poi.hssf.usermodel.HSSFSheet; import org.apache.poi.hssf.usermodel.HSSFWorkbook; public class ChangeCell { @SuppressWarnings("deprecation") public static void main(String[] args) { String fileToBeRead = "C:\\exp.xls"; // excel位置 int coloum = 1; // 比如你要获取第1列 try { HSSFWorkbook workbook = new HSSFWorkbook(new FileInputStream( fileToBeRead));

javafx GridPane retrieve specific Cell content

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问题 I want to retrieve the content of one specific cell in a Gridpane. I have put buttons in the cells with the setConstraints(btt , 0 ,1 ) setConstraints(btt , 0 ,2 ) getChildren().add.... In my case the GridPane.getChildren.get(10) is not good. I want to go directly to the cell(4,2) and get its content. 回答1: Well I guess if there is no solution to get a specific node from gridpane by is column and row index, I have a function to do that, private Node getNodeFromGridPane(GridPane gridPane, int

juyter 快捷键

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##快捷键 -插入cell：a（上一行） b（下一行） ##删除：x 执行：shift+enter tab：自动补全 cell模式切换： y（mkd->code） m (code->mardown) shift+tab:打开帮助文档来源： https://www.cnblogs.com/yangzhixue/p/11936606.html

How do I programmatically add a button to a gridview and assign it to a specific code-behind function?

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问题 In runtime I'm creating a DataTable and using nested for-loops to populate the table. This table I later assign as DataSource to a gridview and on RowDataBound I assign the value of each cell. I want to know how I can give each cell a button and assign that button to a codebehind function. I'll have 12 buttons and each one will contain a different value. I would prefer if they all call the same function with some kind of event that stores the cell-specific value. This is the code where the