rows

问题 I'm Trying To Delete Multiple Rows By Using Check Boxes. But The Values Are Not Deleting. I Don't Understand Where I'm Going Wrong. Please Help Me. Connect.php <?php $host="localhost"; // Host name $username="DB_USERNAME"; // Mysql username $password="DB_PASSWORD"; // Mysql password $db_name="DB_NAME"; // Database name $tbl_name="TABLE_NAME"; // Table name // Connect to server and select databse. mysql_connect("$host", "$username", "$password")or die("cannot connect"); mysql_select_db("$db

问题 I have two data files in tab separated CSV format. The files are in the following format: EP Code EP Name Address Region ... 101654 Alpha York Street Northwest ... 103628 Beta 5th Avenue South ... EP codes are unique. What I want to do is to compare two files with respect to EP codes, determine the different rows and write them into a new file. For example, file1.csv has 800 rows and file2.csv has 850 rows. file2 could be a file completely including file1 plus 50 rows; or it could be file1 -

问题 http://www.koolfree.com/ImageUpload/uploads/1340729929.jpg (Table Image) Hello, I have linked to an Image (because stackoverflow was not allowing me to upload due to less than 10 reputation) in which you can see there is a Table with 9 Columns and 3 Rows and the Table is connected to the Database and all the values in the table are stored in the Database. As you can see there is a Last Column of Total in which I want to display the Multiplication Result of Days and Salary values individually

问题 I was trying to google up if there's a way to parse a pandas dataframe row wise and write the contents of each row into a new text file. My dataframe consists of a single column called Reviews. I'm looking to do some sentiment analysis on movie reviews and that I need each review to be in a separate text file. Can somebody help me here. 回答1: I've written something like this and it works. anyways thanks for your inputs guys for index, row in p.iterrows(): if i > len(p): break else: f = open

问题 I have a table like this: id employee_id contract_id month year d1 d2 d3 1 25 1 11 2011 1 01 01 2 16 5 11 2011 1 11 0 3 29 3 11 2011 1 001 100 1 25 4 11 2011 0 11 011 Suppose I need data for month='11' AND year='2011', then for all rows having the same 'employee_id', the data should merge like this: id employee_id contract_id month year d1 d2 d3 1 25 1,4 11 2011 1,0 01,11 01,011 2 16 5 11 2011 1 11 0 3 29 3 11 2011 1 001 100 I was trying GROUP_CONCAT but couldn't figure out the query. Please

问题 I have pickerView with two rows and I need to save position of both to NSUserDefaults. I have successful saved first row with this code: - (void)pickerView:(UIPickerView *)thePickerView didSelectRow:(NSInteger)row inComponent:(NSInteger)component { NSInteger selectedRow = [thePickerView selectedRowInComponent:0]; [[NSUserDefaults standardUserDefaults] setInteger:selectedRow forKey:@"picker"]; } And I don't get how to add a second one. With this code I bring back the position: -(void

问题 I have a table with dates in "Aug 23, 2009" format and 5 values, so that it looks like this SELECT * FROM table; Date | Total | V1 | V2 | V3 | V4 Aug 21, 2009 | 41 | 23 | 8 | 8 | 2 Aug 22, 2009 | 39 | 22 | 8 | 7 | 2 Aug 23, 2009 | 35 | 20 | 6 | 7 | 2 Aug 24, 2009 | 34 | 20 | 6 | 6 | 2 Aug 25, 2009 | 32 | 19 | 5 | 6 | 2 Aug 26, 2009 | 31 | 19 | 5 | 5 | 2 Aug 27, 2009 | 30 | 19 | 5 | 5 | 1 So I need a query that will give me only the most recent (bottom) 3 entries. Should I setup some query by

问题 I have a data frame with object names and a list of statistical moments for that object, like this: Object Mean IQR Skew x 1 1 1 y 2 2 2 z 3 3 3 What i want is to for each row create columns with the statistical moments and the object name prefixed. Like so: xMean xIQR xSkew yMean yIQR ySkew zMean zIQR zSkew 1 1 1 2 2 2 3 3 3 In essence what I need is to collapse a data frame to a single row such that it list all statistical moments on a single line as i'll have many rows like the final one

问题 Problem: I have different record types with many common fields. How could I "include" the common fields in the record type definitions? Example: newtype RecordType1 = RecordType1 { a :: Int, b :: Int, y :: String } newtype RecordType2 = RecordType2 { a :: Int, b :: Int, z :: Boolean } How to write the equivalent in PureScript? newtype RecordType1 = RecordType1 { CommonFields, y :: String } newtype RecordType2 = RecordType2 { CommonFields, z :: Boolean } The type class Union mentioned in An

问题 Is there anyway to determine which rows are currently selected in a multi-select TStringGrid , or a TCustomGrid for that matter. A property would be ideal. I know that there is the gdSelected property that gets set in the DrawCell event, procedure DrawCell(ACol, ARow: Longint; ARect: TRect; AState: TGridDrawState); I can check AState for gdSelected , and keep track of this in an array somewhere, but this seems kludgey. 回答1: I guess you are talking about a range-select string grid, that is, a