add

问题 I don't think I can figure this out on my own. Lets say I have a time in the string format of HH:MM:SS ex. 10:11:06 and I would like to add another time to it and return it as a string. ex. "10:11:06" + "11:00:01" would return "21:11:07" I have gone through this site coming up with a solution of converting it to seconds and then adding them together as such: function addTimes(start, end) { var a = start.split(":"); var seconds = (+a[0]) * 60 * 60 + (+a[1]) * 60 + (+a[2]); var b = end.split(":

问题 On my form I have 2 textboxes called 'txtsurcharges.text' and 'txttotal.text' txttotal retrieves a value from mysql table, but what I want to happen is that this value becomes added to when I type in a value into txtsurcharges and display the result in txttotal. Here is my code for txtsurcharges: txtsurcharges.Text = String.Format("£{0}", txtsurcharges.Text) Here is my code for txttotal: Private Sub cbxPaymentID_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs)

问题 I really need some help, I wanna know what's the best way to hide and show elements by clicking on a link just using Java Script without Jquery. So, when I click on the "Link 1" need to add the "class active" and just the " <div id="cont1"> " should be shown while the others should be hidden. Other thing, is do this with the possibility to add more HTML Links and Content in the future, without the necessity to change the JS code. I will be eternally grateful if someone help me! Follow the

问题 i am trying to add a box with predefined values in it by clicking a plus button with a variable number in it to define the max addition of new boxes. Native language:<br> <select name="nativelang" id="nativelangdrop"> <?php if ($file = @fopen('txt/languages.txt', 'r')) { while(($line = fgets($file)) !== false) { echo "<option>{$line}</option>"; } fclose($file); } ?> </select> i have this in my html file and i want, if a user selects a language, that the user has the oportunity to click a

问题 I am trying to solve something that for me is a problem since a few days. Here an example of my data.frame, which I hope will work with my real one. df <- read.table(text = 'ID Day Count 33012 9526 4 35004 9526 4 37006 9526 4 37008 9526 4 21009 1913 3 24005 1913 3 25009 1913 3 22317 2286 2 37612 2286 2 25009 14329 1 48007 9525 0 88662 9524 0 1845 9524 0 8872 2285 0 49002 1912 0 1664 1911 0', header = TRUE) I need to add a new column ( new_col ) to my data.frame which contains values from 1 to

问题 I'm creating a new block and I want to pass a defined variable to the block instance on add. In my controller, I have the following: // declare the var public $hasMap = 0; public function add() { $this->set('hasMap', $this->generateMapNumber()); } The generateMapNumber() function looks like this: public function generateMapNumber() { return intval(mt_rand(1,time())); } In my add.php form I have a hidden field: <?php $myObj = $controller; ?> <input type="hidden" name="hasMap" value="<?php echo

问题 I have a table that looks like this: Counters: | client_id | provider1 | provider2 | provider3 | _ - _ - _- _ - _ - _- _ - _ - _ the column names [provider1,provider2,...] is the id of provider which is stored in another table called "providers". what i need is, when a new provider is inserted into the "proviers" database a trigger would automatically add another column in the "Counters" table, but I can't seem to be able to get it. this is what i have so far: CREATE TRIGGER `providers_AFTER

问题 I made an EmployeeStore to obviously store employee details such as name,id and email. I set up a menu and now whenever the user wants to add an employee i get stuck on what to do. Here is my code: MenuMethods: //Imports import java.util.Scanner; //******************************************************************** public class MenuMethods { private static Scanner keyboard = new Scanner(System.in); //Methods for the Company Application menu. //Method for validating the choice. public static

问题 I have a MovieClip named fails_mc, it consists of 3 soccer balls and in my game every time my player fails I need to add an X mark over 1 ball, I have a hitTestObject detecting when the ball hits the goal area, but when the ball goes outside I need to play 1 frame inside the fails_mc and add the X mark to a ball ( I have 3 different png files inside fails_mc, 1 on each frame), this is the code I’m using but I don’t know how to play frame by frame the fails_mc (keep in mind that the same

问题 I need to grab the image for the UITableViewCellEditingStyleInsert button (green +). Of course, I would like to get it in the regular size and in 2x. I didn't think this would be so difficult, but I am having a hard time finding it. Is there a way to get this without a major hack? 回答1: There are some sites that provide free downloadable vectors of the iPhone User Interface elements. You should be able to get the green button from these packages. Since they are vectors, you can resize them to