get

问题 I am new to Play Framework. I am able to send simple data types like string, integer etc directly via the request and access them in the Back end Java method. When I try doing this in the route file, GET /food/fetchMealInfo/:noOfDays/:dateSelected controllers.trackandplan.FoodController.fetchMealInfo(noOfDays : Integer, dateSelected : Date) I am getting an error saying Compilation error not found: type Date What is the correct, safe and clean way to transfer a date object from a front end

问题 I need to access the same web page with different "keys" to get specific content it provides. I have a list of keys x and I use the GET command from httr package to access the web page and then retrieve the information I need y . library(httr) library(stringr) library(XML) for (i in 1:20){ h1 = GET ( paste0("http:....categories=&query=", x[i]),timeout(10)) par = htmlParse(file = h1) y[i]=xpathSApply(doc = par, path = "//h3/a" , fun=xmlValue) } The problem is that timeout is often reached, and

问题 I have an ascx page GetToken.ashx . public void ProcessRequest (HttpContext context) { context.Response.ContentType = "text/plain"; context.Response.AppendHeader("Access-Control-Allow-Origin", "*"); context.Response.Write(Token.CreateToken()); } When I AJAX to this page, it returns the following headers: Request Method:GET Status Code:200 OK Access-Control-Allow-Origin:* Cache-Control:private Content-Length:36 Content-Type:text/plain; charset=utf-8 Date:Tue, 14 Apr 2015 17:20:53 GMT Server

问题 php gives the ability to send arrays from the _GET. example: test.php?var1=abc&arr[0]=1&arr[3]=test will output: Array ( [var1] => abc [arr] => Array ( [0] => 1 [3] => test ) ) is this consider bad coding? 回答1: No, it's usual practice. Also it's natural practice for sending selects with size greater than one. 回答2: No. That looks fine. You can even do: test.php?var1=abc&arr[]=1&arr[]=test Which would output: Array ( [var1] => abc [arr] => Array ( [0] => 1 [1] => test ) ) 回答3: Yes, it is a bad

问题 I have a URL with one GET parameter. I am trying to post a simple form, basically to simply add one more GET parameter to the URL. Current URL: mysite.com/page.php?first=123 Form HTML: <?php $first = $_GET['first']; ?> <form method="get" action="page.php?first=<?php echo $first; ?>"> <input type="text" name="second"><br> <input type="submit" value="Submit"><br> </form> I'm trying to get the URL to be: mysite.com/page.php?first=123&second=456 However, when submitting the form, the page URL

问题 Now I have create categories and create post is successful but when I edit my post I have problem if edit my post I will lose my category .. I need to get my category in table and I can change it <?php $sql = "SELECT catid, catname, parentid FROM categories"; $res = mysql_query($sql); // initialize $categories to make sure it is an array $categories = array(); while ($row = mysql_fetch_assoc($res)) { $parent = intval($row['parentid']); $categories[$parent][] = $row; } ?> <table border="0"

问题 So I want to echo the users' "username" on their profile. It's not working when I user this piece of code. why? Help please i echo'ed this on my page <?php echo "<td>" . $row['username'] . "</td>";?> but didn't work <?php if (!session_id()) session_start(); if (!$_SESSION['logon']){ header("Location:login.php"); die(); } $con = mysql_connect("localhost","root",""); if (!$con) { die('Could not connect: ' . mysql_error()); } mysql_select_db("test", $con); $result = mysql_query("SELECT * FROM

问题 I'm able to use document.getElementById() fine when working with the same page, but I haven't been able to figure out how to get the element by it's ID from a different page. So far, my guess has been to use jQuery's $.get function, which I haven't gotten to work either. $(function() { $('#inputform').submit(function(e) { e.preventDefault(); var rawnum = $('#inputform').serialize(); var num = rawnum.split("=")[1]; var url = "http://google.com/"; //this url is an example $.get(url, function

问题 I am a beginner in programming, so don't be rude ^^.. I'm developing a programme which will use to manage mass storage device. On Windows Xp and Windows 7. I' have already done the XP's manager. And for it, i used this function : Drive Letter to Device Instance ID I've try to understand what's this function was doing.. But in vain.. As i told you, i m a beginner, and i did'nt found one single tutorial about it. So, here's my problem : I've used this function for Windows XP as you can see :

问题 I am developing an application in which I used VideoView to play a video. What I want is I need to display some text underneath the playing video and the text should be changed as the video plays I mean depending on elapsed time. Like SRT. So, How to get elapsed time of video in android? And when we pause the video according text should be paused as well and after that when we resume video the text and the following text should be displayed. Any help would be appreciated. @Override public