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  • extract variables from an expression using javascript regexp

    - by powerboy
    For example, here is a string representing an expression: var str = 'total = sum(price * qty) * 1.09875'; I want to extract variables (i.e., 'total', 'price' and 'qty' but not 'sum' since 'sum' is a function name) from this expression. What is the regexp pattern in javascript? Variable name consists of letters, digits, or the underscore, beginning with letters or the underscore.

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  • javascript, add music to your web page

    - by shouq
    hey.. i'm working on my html and javascript project and i wanted to add music for the website.. i was wondering is there anyway i can put more than one song in the code to be played, if there is please write the code and is there anyway that the song will continue when openning the next page?? please help thanks alot

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  • Looking for downloadable demo of a .Net service accessed through a pure JavaScript client, without r

    - by blueberryfields
    I am told that the configuration below is possible, but have had significant difficulty in finding instructions on how to set it up. While I'm trying to muddle my way through this on my own, maybe stack-overflow knows of better sources for documentation: I am looking for a walkthrough, including a downloadable, working example, for setting up the following configuration: Server-side .net application (For .net 2.0 or higher), installed/deployed as a windows' service (that is, not served through IIS), and accessed by a client tool that is completely implemented in JavaScript.

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  • spring mvc, css and javascript is not working properly

    - by user2788424
    the css and javascript is not take effect on my page. I google online, people saying this is the magic, but not happening on my page. <mvc:resources mapping="/resources/**" location="/resources/" /> this is the error: Nov 02, 2013 9:19:29 PM org.springframework.web.servlet.DispatcherServlet noHandlerFound WARNING: No mapping found for HTTP request with URI [/myweb/resources/css/styles.css] in DispatcherServlet with name 'dispatcher' Nov 02, 2013 9:19:29 PM org.springframework.web.servlet.DispatcherServlet noHandlerFound WARNING: No mapping found for HTTP request with URI [/myweb/resources/script.js] in DispatcherServlet with name 'dispatcher' Nov 02, 2013 9:19:29 PM org.springframework.web.servlet.DispatcherServlet noHandlerFound WARNING: No mapping found for HTTP request with URI [/myweb/resources/js/jquery-1.10.2.min.js] in DispatcherServlet with name 'dispatcher' here is the applicationContext.xml <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:context="http://www.springframework.org/schema/context" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.2.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.2.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.2.xsd"> <context:component-scan base-package="org.peterhuang.myweb" /> <mvc:resources mapping="/resources/**" location="/resources/" /> <bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter"> </bean> <bean class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping"> </bean> <!-- Hibernate Transaction Manager --> <bean id="transactionManager" class="org.springframework.orm.hibernate4.HibernateTransactionManager"> <property name="sessionFactory" ref="sessionFactory" /> </bean> <mvc:annotation-driven /> <!-- Activates annotation based transaction management --> <tx:annotation-driven /> <bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> <property name="location" value="classpath:jdbc.properties" /> </bean> <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="viewClass" value="org.springframework.web.servlet.view.JstlView" /> <property name="prefix" value="/WEB-INF/"></property> <property name="suffix" value=".jsp"></property> </bean> <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"> <property name="driverClassName" value="${jdbc.driverClassName}" /> <property name="url" value="${jdbc.url}" /> <property name="username" value="${jdbc.username}" /> <property name="password" value="${jdbc.password}" /> </bean> <bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean"> <property name="dataSource" ref="dataSource" /> <property name="packagesToScan" value="org.peterhuang.myweb" /> <property name="hibernateProperties"> <props> <prop key="hibernate.dialect"> ${jdbc.dialect} </prop> <prop key="hibernate.show_sql"> ${hibernate.show_sql} </prop> <prop key="hibernate.format_sql"> ${hibernate.format_sql} </prop> </props> </property> </bean> here is the web.xml <?xml version="1.0" encoding="UTF-8"?> <web-app id="WebApp_ID" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"> <display-name>my web</display-name> <servlet> <servlet-name>dispatcher</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <init-param> <param-name>contextConfigLocation</param-name> <param-value>/WEB-INF/applicationContext.xml</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>dispatcher</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <welcome-file-list> <welcome-file>/WEB-INF/jsp/welcome.jsp</welcome-file> </welcome-file-list> this is the page got displaied: <%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%> <%@ taglib uri="http://www.springframework.org/tags" prefix="spring"%> <link type="text/css" rel="stylesheet" href="<spring:url value='resources/css/styles.css' />" /> <script type="text/javascript" src="<spring:url value='resources/js/jquery-1.10.2.min.js' />"></script> <script type="text/javascript" src="<spring:url value='resources/script.js'/>"</script> <ul id="button"> <c:forEach var="category" items="${categoryList}"> <li><a href="#">${category.categoryName}</a></li> </c:forEach> </ul> the folder structure in eclipse: myweb | | | |----Java Resources | | | | | |-----src/main/resources | | | | | | | | |------js | | | | | | | |-----jquery-1.10.2.min.js | | | | | | | | | | | |-----script.js | | | | | | | | |-----css | | | | | | | |-----style.css | | | | | | | | any tips would be appreciated!! thanks in advanced!

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  • PHP <-> JavaScript communication: Am I stuck with ASCII?

    - by Goro
    Hello, I am passing a lot of data between PHP and JavaScript. I am using JSON and json_encode in php, but the problem here is that I am passing a lot of numbers stored as strings - for example, numbers like 1.2345. Is there a way to pass the data directly as numbers (floats, integers) and not have to convert it to ASCII and then back? Thanks,

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  • visual studio crashes when i view a javascript file

    - by oo
    i start up an existing solution, click on a javascript file, the file opens up in the IDE for a few seconds and then visual studio disappears. This is consistent and reproducible. I saw this patch for KB958502 and installed it but it didn't seem to do anything. Any suggestions on how i can proceed as this is completely stopping my development here.

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  • Parsing a Vimeo ID using Javascript?

    - by Tom
    Hi, Could anyone point me in the right direction to parse an ID from a Vimeo URL in Javascript? The URL will be entered by a user so I will need to check that they have entered it in the correct format. I need the ID so that I can use their simple API to retrieve video data. Any help appreciated.

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  • Javascript grab value via http cmd

    - by Craig
    Hello, I am trying to grab a value from a url: http://localhost:8080/bin/task_status?id=2&cmd=percent_done I am unsure how to actually do this within a javascript (ajax) command that once the page has been loaded will be called every .5 seconds. It is using the AJAX built in progress bar to display.

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  • Javascript: Writing a firefox extension with sockets

    - by Johnny Grass
    I need to write a firefox extension that creates a server socket (I think that's what it's called) and returns the browser's current url when a client application (running on the same computer) sends it a request. The thing is that I have no Java/Javascript background at all and I'm pressed for time so I am trying to hack something together from code samples. So far I've been mildly successful. I've been working with code from this question which is used in the open source Firefox exension PolyChrome I have the following code: var reader = { onInputStreamReady : function(input) { var input_stream = Components.classes["@mozilla.org/scriptableinputstream;1"] .createInstance(Components.interfaces.nsIScriptableInputStream); input_stream.init(input); input_stream.available(); var request = ''; while (input_stream.available()) { request = request + input_stream.read(512); } var checkString = "foo" if (request.toString() == checkString.toString()) { output_console('URL: ' + content.location.href); } else output_console("nothing"); var thread_manager = Components.classes["@mozilla.org/thread-manager;1"].getService(); input.asyncWait(reader,0,0,thread_manager.mainThread); } } var listener = { onSocketAccepted: function(serverSocket, clientSocket) { output_console("Accepted connection on "+clientSocket.host+":"+clientSocket.port); input = clientSocket.openInputStream(0, 0, 0).QueryInterface(Components.interfaces.nsIAsyncInputStream); output = clientSocket.openOutputStream(Components.interfaces.nsITransport.OPEN_BLOCKING, 0, 0); var thread_manager = Components.classes["@mozilla.org/thread-manager;1"].getService(); input.asyncWait(reader,0,0,thread_manager.mainThread); } } var serverSocket = Components.classes["@mozilla.org/network/server-socket;1"]. createInstance(Components.interfaces.nsIServerSocket); serverSocket.init(9999, true, 5); output_console("Opened socket on " + serverSocket.port); serverSocket.asyncListen(listener); I have a few questions. So far I can telnet into localhost and get a response, but my string comparison in the reader seems to fail even if I enter "foo". I don't get why. What am I missing? The sample code I'm using opens up a console window and prints output when I telnet into localhost. Ideally I would like the output to be returned as a response when the client sends a request to the server socket with a passphrase. How do I go about doing that? Is doing this a good idea? Does it create security vulnerabilities on the computer? How can I block connections to the socket from other computers? What is a good place to read about javascript sockets? My google searches have been pretty fruitless but then maybe I'm not using the right keywords.

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  • A column of a table needs to stay in one line (HTML/CSS/Javascript)

    - by Julien
    Hi Folks ! So I am having an issue on my entrepreneur business opportunity rating matrix : I would like the radio buttons to stay on the same line. The problem is that I don't know how I should process because if I give a fixed minimum width for the cell, i'm not sure it will display properly on other browsers, and if the cell is to big I loose the alignment of the radio buttons. Do you guys have a CSS/Javascript (jQuery) trick that would fix this ? Thank you

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  • Good JavaScript engine for animating via Sprite Sheets (not in canvas)

    - by N. Taylor Mullen
    I've looked around a bit for a great JavaScript Sprite Sheet animator lib/engine but couldn't find any good ones so I thought I'd ask around =). What I'm looking for in the engine is: Animate an image in a non-canvas setting (ex: div via css or img tags) Control frame rate/animation speed Flags to loop or to animate once etc. Are there any engines like this out there? If not I can always make my own but then again, I don't want to re-invent the wheel =].

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  • calling a dynamic function in javascript

    - by scatman
    is it possible to call a dynamic method in javascript. ie suppose i have in my page 2 methods as such: function id1_add() { return 1; } function id2_add() { return 2; } i also have this function: function add() { var s1='id1'; s1+'_add()'; //??? } is it possible to call for example id1_add() in such: s1+'_add()'; so the method call depends on a previous string?

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  • Formatting this JavaScript Line

    - by dkris
    Hi, I am trying to format this line of code in my popup window, but i am facing unterminated string literal error. Can somebody please tell me how best I could format this. window.setTimeout("winId.document.write('<script src="../js/tiny_mce/tiny_mce.js" type="text/javascript"></script>\n')", 10); Also point out if this particular line of code would work fine in the popup?

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  • Javascript CSS visability.

    - by Alex
    It seems that javascript only can ready inline css if i want to check if element is display:hidden getting it with: el.style.display But how to check if display:none is placed inside external CSS file?

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  • How to display an external content in my website using javascript

    - by Chris
    Hello! This is my first post! I have a question about javascript...here is my code: <html> <head> <title>Geolocation Demo</title> </head> <body> <h1>Geolocation Demo</h1> <p>Latitude: <span id="lat">0.00</span> Longitude: <span id="lon">0.00</span> City: <span id="city">Loading...</span></p> <p><a id="city_link" href="http://tinygeocoder.com/" target="_blank">View City</a></p> <p><a id="gmaps_link" href="http://maps.google.co.uk/" target="_blank">View on Google Maps</a></p> <script language="javascript"> // show the position on the page and make a google maps link function showPosition(position) { var lat = position.coords.latitude; var lon = position.coords.longitude; document.getElementById("lat").innerHTML = lat; document.getElementById("lon").innerHTML = lon; var gmaps_url = "http://maps.google.co.uk/maps?f=q&source=s_q&hl=en&geocode=&q=" + lat + "+" + lon; var city_url = "http://tinygeocoder.com/create-api.php?g=" + lat + "," + lon; document.getElementById("gmaps_link").href = gmaps_url; document.getElementById("city_link").href = city_url; } </script> </body> </html> As you can see, this script target my geolocation. Specifically, Lat and Lon are working perfectly. In addinition, i want to display and region info (like city). So, i found a website which i provide the coordinates and it returns me a region name. My question is if i can display the name of region without clicking the link "View city" but in the field "city"...is it possible to pass the webpage content (http://tinygeocoder.com/create-api.php?g=" + lat + "," + lon;) into my webpage? The content of this page is only the name as i said...no html tags! Thank you!

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  • Good JavaScript IDE with JQuery support ?

    - by Pop Catalin
    I'm planing to start learning JQuery (among other things), so I'm looking for a good Javascript editor that can preferably provide some of the following features: Syntax coloring Contextual help for standard JS functions, JQuery functions and possibly custom ones. Some code completion. (optional) JS debugging Is there such and editor out here? or any that come close to this?

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  • Read txt file using Javascript

    - by piemesons
    I am taking a text file from user and then posting that file back to the browser using ajax storing the content in db and then showing the content back to user page using Jquery post response. Now i want to something like this.. Read the text file from the user computer using javascript. Display the content and when he submits the page I will save the values.

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