Binary Conversion Program - Take User Input And Convert The 8 Digits
Mar 28, 2011
I am writing a program that will take user input and convert the 8 digits the user enters (the 0's and 1's) and converts them into an integer between 0 and 255. It is a very simple program but I am still having some errors :
import javax.swing.*;
public class BinaryToInteger
{
static String userInput = JOptionPane.showInputDialog("Enter a binary number with 8 integers to convert.");//Dialog Box that asks for user input
static int binaryValue = Integer.parseInt(userInput);//Parses the user's input into an integer
[Code]...
I am trying to convert binary to decimal with this function but it doesn't convert to decimal, but does decimal to binary. Code: function bin2dec() { var x = document.getElementById("bin").value; if ((/[^0-1]/g.test(x)) || x == "") { alert ("You must enter an integer binary number!"); document.getElementById("bin").value = ""; document.getElementById("bin").focus(); return false; } x = parseInt(x); var dec = x.toString(10); var hex = x.toString(16).toUpperCase(); var octal = x.toString(8); var figs = "The decimal representation of " + x + " is " + dec + "<br>"; figs = figs + "The hexadecimal representation of " + x + " is " + hex + "<br>"; figs = figs + "The octal representation of " + x + " is " + octal + "<br>"; document.getElementById("result").innerHTML = figs; }
I am creating a form using html5 and javascript. I need to display user image and am using <input type=file> tag to browse the image file. Now I need to convert the image file to binary file to store it in the web database.
Is there any method in javascript for binary conversion.. convert image file to binary file.
I am working with an API that delivers a date like this: P20DT9H1M14S Standing for a period of 20 days, and time of 9 hours, 1 minute, and 14 seconds. I am trying to figure out how to convert the P20DT9H1M14S to this: 20 days, 9 hours, 1 minute, and 14 seconds.
i am passing oracle time stamp dates to javascript array element. the problem is i am unable to convert them to standard format: here is the date format i am getting from Oracle to javascript array: {ts '2011-03-15 00:00:00'} and here is what i want to get : 03/15/2011
I recently made a java program (multiple classes) which requires user inputs (multiple classes), however I am not sure how to either A) turn it into javascript so that I can put it on a website, or B) add the java file itself to a webpage.
I am creating a form using html5 and javascript. Am using <input type = file> tag to browse and display the image file. I need to convert the image file to binary file to store it in web database.
Is there any method to convert image file to binary file.
I would like to create a program which converts some letters into different ones.
1) I want 2 text areas (input and output) + "convert" button
2) if I type in the input area the letters "ea" I would like it to be converted into "a", so that If I type "cambrea" and press "submit" the output text will have "cambra".
3) if I type "e " which is (e+space) I want it to be converted into " " which is "space" example: if I type the word "spine " it should be converted into "spin , note that there is a space after "spin ".
4) If I type any vowel before "o" it should render "o", example: gambuo becomes gambo. would this be possible? I'm not very familiar with Javascript even though I can modify it.
I am trying to put up a page for my students for them to be able to enter their class number into a field and instantly get a personalized text message. (ie student number 5 enters "5" and gets a message like "Congratulations on your homerun in Kickball Bobby!"
When I input my email address on this website, it provides a drop down box with two of my email addresses. The right bottom corner has a few 45 degree lines to indicate the user can change its size. Do you know how to create it? I could not find the code in the source.
I have a program in which a user must enter number of books and price and then calculate the total cost of the items, i have tried and tried to get it working to no effect can anyone see where i have went wrong.
This should be simple, but it's not working for me! The relevant code is beneath. This code is on my html page directly under the input field:
input = document.getElementById('hiddenInput'); var inputInt = parseInt(input.value); if (inputInt != 0) { setClick(inputInt); }
(I've tested it to make sure it sees the input object and that it has the correct value. It does call the setClick function appropriately, too.) This code is in a javascript file called in the <head> of the html page:
[Code]...
setClick() and resetAll() work great when I hook setClick() up to a link. When I try to grab the value from the input field, it doesn't even call resetAll(). I've assumed that it's a problem with converting the value to an integer, but I could be wrong. Does anyone have an idea as to what's going on?
I am trying to create a text area input filed for user input, and i want to be able to allow the user to format thier text, just like the ones used in this user forum. I am writing my website in html, php, javascript and css with a MySql database. I am trying to understand how to create such an format-able text area for input.
I've learned HTML and CSS pretty thoroughly.I think I have most of the Javascript basics down as far as definitions, but I'm getting hung up on the actual coding.I'm working on an information request form for my fiancee's business site. In it, I want to have options that users select via radio buttons. Rather than having additional input fields static on the page, I would like to program some of the radios, when clicked, to open a previously unseen option where users will then be able to type in the necessary information.More specifically, since she only works in two states, I want a third option of "other," which,when opened, will allow the user to input any other state.Then, should the radio be deselected or reset, the field would disappear again.
If my understanding is correct, I think I will need to use a javascript function in the header, an HTML "div" section with ID, "onclick" and "offclick" events in the button mark-up, and the specific javascript code to call the function (getElementById?).
On a single form, I need to capture the users input on this input box
HTML Code: <p> <label for="Student ID">Student ID </label> <input type="text" name="sesStudID" /> </p>
to this input box HTML Code: <p><label for="User Name">User Name</label><input type="text" name="sesUserName" disabled="disabled" /></p> so as the user inputs to the first input box it will at the same time appear on the second input box.
I want to restrict the user from being entering the value in <input type="file">. It works fine in IE but not in Mozilla. I am sending my code also which works in IE and not in Mozilla...
I've search far and wide for an answer, so forgive me if this is a stupid question. (Well, it probably is.)
Consider the following javascript:
var foo = new Image(); foo.src = "http://some.server.com/some_filename.gif";
Now, the browser will retrieve 'some_filename.gif' from some.server.com and put it into the object foo. What I want to do is then subsequently analyze the actual binary data contained inside some_filename.gif. (Specifically, I just need to look at the first few bytes.) Is there any way to do this in just JavaScript?
I am looking for the best performing solution for modifying and iterating an object graph in JavaScript. I have outlined below a simplified example of the object model and examples of how I will be using this graph.
Object model:
Two objects, [BadApples] and [GoodApples] each contains a collection of [Apple] items (500 max). [Apple] simply has an ID and a name.
Requirements:
A quick way of determining whether a certain apple exists in either [GoodApples] or [BadApples] (by ID).
A quick way of iterating through [GoodApples] and [BadApples] in order to update the web page.
A way of moving a certain [Apple] (by ID) between [GoodApples] and [BadApples].
I currently have this implemented using arrays, but iterating these arrays is expensive. Is there an implementation of a binary-tree for JavaScript? The real-world application may contain many hundreds of nodes, and performance is crucial.
I'm trying to get the binary data of an image object.
I've found articles to writing binary to be the source of an image, but they don't tell you how to do the reverse. Pretty much, after the page loads I want to do something like.
For those that are curious why I'm doing this its for another project I'm working on where I store the binary data somewhere else after load, but for technical reasons this has to be done client side for if I do it server side I'm not getting the results I need for this project.
I'm reading the content of a local binary file with the method mentioned here: [URL]
Then I'm getting the data as a string where each character represents the binary value. I have successfully sent that string with Mozilla's XmlHttpRequest's sendAsBinary method, but IE 7's version doesn't have that method...
Using the send method almost works, the only problem is that binary content can be represented as the asciicode 0. This means that the string read by sent is cut off as soon as it is encountered. That means that the part before the first NULL character (asciicode = 0) is successfully sent to the server.
The solution I have made right now is to increment each character's asciicode on the client side by one and decrement them on the server before converting the character to the binary representation. The downside with this is that the size of the data sent between the client and server gets larger than the original filesize. Ex: 8kb file grows to ~12kb.
