row

问题 I am trying to implement a ContextMenu that appears when mouse is over a row. I was able to implement the context menu on selected row, but could not find an event for hover. Do I have to write my own implementation for data table, or is there a way to attach the context menu to a hover event? 回答1: Primefaces's contextMenu doesn't have option to get that, so you can use jquery to do that. If you want to show contextMenu, you have to change contextMenu's position to Mouse's position(page load

问题 I have a table with details on personnel. I would like to create a Next/Previous link based on the individual's last name. Since personnel were not added in alphabetical order, selecting the next or previous row based on its ID does not work. It is a hefty table - the pertinent fields are id, name_l, and name_f. I would like to order by name_l, the individuals' last name. How would I go about accomplishing this task? Thanks! Edit This will be used on a Personnel Details page, the result will

问题 How can I convert testext to t e s t e x t Please note there is no delimiter. Is there any way? 回答1: Go to Search → Find → Replace (Ctrl+F) and type following: Find: (.) Replace: $1\n SearchMode: Regular Expression Direction: Down Then place the caret at the beginning of the text and hit "Replace All". 来源： https://stackoverflow.com/questions/29259799/how-to-convert-row-to-column-in-notepad

问题 I was wondering if it's possible to insert multiple rows like this (or something like this): <?php use Illuminate\Database\Seeder; class SettingTableSeeder extends Seeder { /** * Run the database seeds. * * @return void */ public function run() { DB::table('settings')->insert( [ 'key' => 'username', 'value' => 'testusername' ], [ 'key' => 'password', 'value' => 'plain' ] ); } } I have a table settings in my database with columns key & value . The problem with the code above is that he only

问题 Is there any way to do it? 回答1: The best easiest way would be to remove the corresponding element from the model. 回答2: There is the RowFilter<DefaultTableModel, Object> class you can use to filter out rows. The DefaultTableModel can be replaced by your own model. To filter, implement the method @Override public boolean include(Entry entry) { // All rows are included if no filter is set if (filterText.isEmpty()) return true; // If any of the column values contains the filter text, // the row

问题 I am trying to normalize all rows of my matrix data at once within range 0 and 1. But I don't know how to do it.. For example, I want to normalize each "obs1", "obs2", "obs3". Thus, minimum, maximum, and sum of each "obs1", "obs2", "obs3" will be used. My data format is, `mydata a b c d e obs1 8.15609 11.5379 11.1401 8.95186 7.95722 obs2 339.89800 856.3470 691.3490 590.28600 543.67200 obs3 2.12776 46.4561 136.8860 118.09100 119.86400 ` Also, When I searched to perform this, people used

问题 Is there a grep like built-in function in Pandas to drop a row if it has some string or value? Thanks in advance. 回答1: Have a look at df['column_label].str Below example will drop all rows where column A holds 'a' character and 'B' equals 20. In [46]: df Out[46]: A B 0 foo 10 1 bar 20 2 baz 30 In [47]: cond = df['A'].str.contains('a') & (df['B'] == 20) In [48]: df.drop(df[cond].index.values) Out[48]: A B 0 foo 10 2 baz 30 来源： https://stackoverflow.com/questions/12625650/pandas-grep-like

问题 Is there a grep like built-in function in Pandas to drop a row if it has some string or value? Thanks in advance. 回答1: Have a look at df['column_label].str Below example will drop all rows where column A holds 'a' character and 'B' equals 20. In [46]: df Out[46]: A B 0 foo 10 1 bar 20 2 baz 30 In [47]: cond = df['A'].str.contains('a') & (df['B'] == 20) In [48]: df.drop(df[cond].index.values) Out[48]: A B 0 foo 10 2 baz 30 来源： https://stackoverflow.com/questions/12625650/pandas-grep-like

问题 I have a UITableView where when I put it in editing mode, I want selective rows to be selectable, however, they are not. Is there a way I can force them to be selectable? 回答1: Set the UITableView property allowsSelectionDuringEditing to YES . 回答2: Set "Editing" property to "Single Selection During Editing" 来源： https://stackoverflow.com/questions/2300831/selecting-row-while-uitableview-is-in-editing-mode

问题 Before I ask my question a little background: I'm doing the Data Export/Import using the MySQL Workbench 6.1 of a MySQL 5.5 database from one machine to a 5.6 on another. both machines are ubuntu one 32-bit the other 64-bit. I dump the data no problem, but when I try to load it I get the: ERROR 1118 (42000) at line 1807: Row size too large (> 8126). Changing some columns to TEXT or BLOB or using ROW_FORMAT=DYNAMIC or ROW_FORMAT=COMPRESSED may help. In current row format, BLOB prefix of 768