radio

问题 I'm trying to make an accordion but I'm stuck at the last pice of the puzzle. I need to collapse all NOT checked div right after radio buttons. Only the div after a checked radio button should be visible. But it's not working. This is my html <input type="radio" name="alert" id="overzicht" class="accordion"> <label for="overzicht"> > Overzicht </label> <div class="accordionPanel"> <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore

问题 I am experiencing an issue with radio buttons present on my page, can anyone tell me why it wont retain its selection after the user has pressed submit? <?php session_start(); if(isset($_POST['submit'])) if(!empty($_POST['diet'])) ?> ... <form method="post" action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]);?>"> <strong>Dietary Requirements:</strong> <br><br> Vegetarian <input type="radio" name="diet" <?php if (isset($_POST['diet']) && $_POST['diet']=="Vegetarian") echo "checked";?>

问题 I am a begginer with Javascript/jQuery and I hope someone can help me with the following: I have a simple form (7 questions; 3 radio buttons/answers per question - except for question 5 with 8 possible choices ) and based on the selected answers, when user clicks on 'view-advice' I want to display relevant advices (combination of 38 possible advices) below the form. I have given "a", "b", "c",... values to radio buttons and I am collecting them in an array. The part where the script alerts

问题 I have applied a style as follows and it works great for me: $("td[id='cellId']").css("text-align", "left"); However, I need that style to only be applied to the TD IF it contains textboxes and NOT radio buttons. I have searched hi and low, but find() , contains() and the likes, does not seem to be working. 回答1: If you need to filter TD-s which contain textboxes and NOT radio buttons, then you need to use :has and :not combination: $("td:not(:has(input[type='radio']))").has("input[type='text'

问题 For a streaming radio station, I have an AAC+ audio stream, inside an FLV container, delivered via HTTP. An example URL is http://3023.live.streamtheworld.com/ALTROCK_S01A_AAC. I wrote a simple AIR app (using the latest AIR and Flex SDK's) to play this stream, and it works fine on PC and Android, but doesn't play anything when deployed to the iOS simulator or a device (i.e., the bytes are loaded but there is no sound). This is similar to Can FLV AAC stream be played in Android, but for iOS. I

问题 I want to know the FM Radio signal strength in Android. For this I have to interact with hardware or not? Or is there any API which can directly give me the value of signal strength? 回答1: FM radio is available in some phones. Anyways you must have an FM tuner (radio) built-in. For this I have to interact with hardware or not? Yes, of course you will have to as it has not been brought into the stack. is there any API which can directly give me the value of signal strength? I think, NO. Maybe

问题 I was wondering if it is possible at all the manipulate the radio hardware on the device to transmit an FM signal on a specified frequency. As far as I am aware, the phone uses Bluetooth radio, it uses 802.11 radio, so would it not be possible to adjust the power output of the radio device to transmit at frequencies of 87.5–108.0 MHz? If anyone has any documentation/research papers/guides into this area, please let me know. Is there any generic radio support in the SDK? Because my thinking is

问题 I have two BBC Micro Bit and using Radio function to transfer data from one slave to the master Micro Bit. When the data is transferred I am getting random carriage returns, I am not sure what is the problem, I have tried to strip any random CR etc, but still getting the same problem. a=1,On, 12 =2, Off, 77 =3, On, 88 =================================================== Gateway code from microbit import * import radio radio.config(group=0) radio.on() while True: incoming = radio.receive() if

问题 I have found scripts that do it, but they only work with one radio button name, i have 5 different radio button sets. How can i check if its selected right now i tried on form submit if(document.getElementById('radiogroup1').value=="") { alert("Please select option one"); document.getElementById('radiogroup1').focus(); return false; } does not work. 回答1: If you have your heart set on using standard JavaScript then: Function definition var isSelected = function() { var radioObj = document

问题 I want to develop a software which can record online radio streams in VC++ using MFC. Any pointers to get me started. 回答1: Well, I have recommended the BASS library here before, and I must do it again. It is simply awesome, and has built in support for internet streams and recording. No need to do tedious networking stuff, just look at the sample Netradio in the download. 回答2: You can use NAudio library it is very usefull http://naudio.codeplex.com/ 回答3: I suspect this is non-trivial,