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  • jQuery global variable best practice & options?

    - by Kris Krause
    Currently I am working on a legacy web page that uses a ton of javascript, jquery, microsoft client javascript, and other libraries. The bottom line - I cannot rewrite the entire page from scratch as the business cannot justify it. So... it is what it is. Anyway, I need to pollute (I really tried not too) the global namespace with a variable. There are the three options I was thinking - Just store/retrieve it using a normal javascript declaration - var x = 0; Utilize jQuery to store/retrieve the value in a DOM tag - $("body").data("x", 0); Utilize a hidden form field, and set/retrieve the value with jQuery - $("whatever").data("x", 0); What does everyone think? Is there a better way? I looked at the existing pile of code and I do not believe the variable can be scoped in a function.

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  • GMP variable's bit size..

    - by kishorebjv
    How to know the size of a declared variable in GMP??or how can we decide the size of an integer in GMP? mpz_random(temp,1); in manual it is given that this function allocates 1limb(=32bits for my comp) size to the "temp".... but it is having 9 digit number only.. SO i dont think that 32 bit size number holds only 9 digits number.. So please help me to know the size of integer variable in GMP .. thanks in adv..

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  • How to treat an instance variable as an instance of another type in C#

    - by Ben Aston
    I have a simple inheritance heirarchy with MyType2 inheriting from MyType1. I have an instance of MyType1, arg, passed in as an argument to a method. If arg is an instance of MyType2, then I'd like to perform some logic, transforming the instance. My code looks something like the code below. Having to create a new local variable b feels inelegant - is there a way of achieving the same behavior without the additional local variable? public MyType1 MyMethod(MyType1 arg) { if(arg is MyType2) { MyType2 b = arg as MyType2; //use b (which modifies "arg" as "b" is a reference to it)... } return arg; }

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  • posting php variable that contains apostrophe

    - by user1658170
    I am having trouble posting a php variable to another page. The variable is retrieved from a dropdown selected by the user and if it contains an apostrophe, I only get the part prior to the apostrophe posted. I.E. If I want to post "Cooper's Hawk" I am only receiving "Cooper". How do I escape this properly so that I can post the entire string? This is what I have: echo '<form method="POST" action="advanced_search2.php">'; $dropdown_english_name = "<select class = 'dropdown' name='english_name'> <option>ALL</option>"; $posted_value = ($_POST['english_name']); echo;$posted_value;die; So, to clarify from the above code, the posted string is "cooper's hawk" but the echoed output is "Cooper". Thanks in advance for any tips.

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  • Assign a custom global pseudo variable in Code Igniter like {elapsed_time}

    - by Fábio Antunes
    Hello As you probably all know Code Igniter can assign pseudo variables using the Parser library, but you also know that if we want to assign a Pseudo Variable to use it in a View, we have to do it in every controller that loads those views with the pseudo variables. I would like to know if Code Igniter 1.7.2 has some way that i can assign a Global Pseudo variable (like the pseudo variables from the Benchmarking Class). The pseudo variables i want, would have simple data mostly returned from the $config array in the config.php file. If some could help me with that. Regards.

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  • Assign a Custom Global Pseudo Variable in Code Igniter

    - by Fábio Antunes
    Hello As you probably all know Code Igniter can assign pseudo variables using the Parser library, but you also know that if we want to assign a Pseudo Variable to use it in a View, we have to do it in every do it in every controller that loads those views with the pseudo variables. I would like to know if Code Igniter 1.7.2 has some way that i can assign a Global Pseudo variable (like the pseudo variables from the Benchmarking Class). The pseudo variables i want, would have simple data mostly returned from the $config array in the config.php file. If some could help me with that. Regards.

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  • Know if a variable is a native object in javascript

    - by mck89
    Hi, is there a way to know if a variable passed into a function is a native object? I mean, i have a function that requires only native objects as arguments, for every other type of variable it throws an error. So: func(Array); //works func(String); //works func(Date); //works func(Object); //works ... func([]); //Throwr error func({}); //Throws error I want to know if there's a way to distinguish between native objects and everything else.

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  • problem with adding url variable with javascript

    - by Richard
    Hello, Can someone help me with this I am trying to set and catch the url variable It begins with a form wich has the standard action set to "/autorisation/logout" Then a button with an inline javascript function function tbPayout() { parent.location = "/autorisation/logout?rcgo=payout"; return true; } <input src="/images/go02.gif" type=image border=0 name="go1" onClick="return tbPayout();"> In the autorisation controller I try to catch it if ( isset($_GET['rcgo']) ) { but it doesn't work and I can't see the variable in the url and therefore the default forms action is performed? I also have another redirect page with content="3; url=http://www.domain.nl/index/index?rcgo=logout" /> and that works fine How can I get the javascript to work because I have three submit buttons that need to be set to different get variables. Thanks, Richard

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  • How to use a variable in an awk expression

    - by lugte098
    I'm trying to make this command: sed bla bla filename | awk '{printf "%s %s_entry_%.3f %.3f %.3f %.3f",$1,$3,$4,$5,$6,$7}' But the thing is, i want the %.3f part to be variable. So in one case it could be %.3f and in another it could be %.3f %.3f %.3f. So i'll just use a static one in my example code for clarity. So if i want 4 of these %.3f and put them in variable $values like so: values="%.3f %.3f %.3f %.3f" Then how can i put this string in the awk expression, without making awk to just put literally "${values}" in there. The following is my non-working-attempt: sed bla bla filename | awk '{printf "%s %s_entry_${values}",$1,$3,$4,$5,$6,$7}'

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  • global scope of variable

    - by shantanuo
    The following shell scrip will check the disk space and change the variable "diskfull" to 1 if the usage is more than 10% The last echo always shows 0 I tried the global diskfull=1 in the if clause but it did not work. How do I change the variable to 1 if the disk consumed is more than 10% #!/bin/sh diskfull=0 ALERT=10 df -HP | grep -vE '^Filesystem|tmpfs|cdrom' | awk '{ print $5 " " $1 }' | while read output; do #echo $output usep=$(echo $output | awk '{ print $1}' | cut -d'%' -f1 ) partition=$(echo $output | awk '{ print $2 }' ) if [ $usep -ge $ALERT ]; then diskfull=1 exit fi done echo $diskfull

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  • passing a variable to a ajax request Jquery

    - by user304735
    Hello, I am trying to pass a variable to an ajax request via jquery. I have a triggered event that defines the variable. I want to do this so that I can have one ajax request handle multiple urls. I have alerted the url and it come back fine, but when I plug it into the URL slot of a $.ajax request my targeted content does not load. Here is my code. $(document).ready(function(){ $('a').live('click', function(){ var link = $(this).attr("href"); $.ajax({ url: link, success: function(html){ $('#load').html(html) } }); }); }); this has been a real headache and I feel I am just misusing something. Please help.

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  • Can Flash AS3 listbox data contain variable info?

    - by Anne
    I'm populating a listbox like this: dp.addItem( {label:"red dress", data:"OV4MP/23OL.swf"} ); Instead of data:"OV4MP/23OL.swf", I would like to make part of the data file name a variable from a dynamic textbox named centerPt that belongs to the parent movieclip, so I did this: dp.addItem( {label:"red dress", data:"OV4MP/23"+MovieClip(parent.parent).centerPt.text+".swf"} ); When I trace the selectedItem.data using: trace("you have selected: "+ overlays.selectedItem.data); trace(MovieClip(parent.parent).centerPt.text); I'm getting: you have selected: OV4MP/23.swf. What I should get is OV4MP/23OL.swf. It is not picking up what is in the dynamic centerPt.text field which are the letters OL eventhough that text field is tracing correctly. Is it possible that data can not hold a variable? Thank you in advance for any help. Anne

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  • Xpath help. Get childnode with variable name

    - by Kim Andersen
    I have the following XML: <StatsContainer> <Variant1>0</Variant1> <Variant2>0.5</Variant2> <Variant3>1.2</Variant3> <Variant4>4.1</Variant4> <Variant5>93.9</Variant5> <Variant6>0.3</Variant6> <Variant7>0</Variant7> <Variant8>0</Variant8> <Variant9>0</Variant9> <Variant10>0</Variant10> <Variant11>0</Variant11> <Variant12>0</Variant12> <GlobalVariant1>4.6</GlobalVariant1> <GlobalVariant2>40.4</GlobalVariant2> <GlobalVariant3>13.8</GlobalVariant3> <GlobalVariant4>2.8</GlobalVariant4> <GlobalVariant5>35.6</GlobalVariant5> <GlobalVariant6>2.8</GlobalVariant6> <GlobalVariant7>0</GlobalVariant7> <GlobalVariant8>0</GlobalVariant8> <GlobalVariant9>0</GlobalVariant9> <GlobalVariant10>0</GlobalVariant10> <GlobalVariant11>0</GlobalVariant11> <GlobalVariant12>0</GlobalVariant12> <MosaicType>Boligtype</MosaicType> <OverRepresentedVariant>5</OverRepresentedVariant> </StatsContainer> As you can see I have a number in the "OverRepresentedVariant"-tag. This number can change from time to time. What i Need is to grab the "Variant"-tag with the right number. In the above case I need to get the value from the "Variant5"-tag (93.9). Tomorrow the "OverRepresentedVariant"-value might have changed to 3, this would mean that I should now grab the "Variant3"-value instead. So this is what I got. I have a variable called $btOver which contains the above XML. I also have a variable called $btId which contains the "OverRepresentedVariant"-value like this: <xsl:variable name="btId" select="$btOver/OverRepresentedVariant" /> So now I need some help finding the Variant-tags with the right ID. The tags that I need will always be named "Variant" followed by an id. So how can I get the right tag? Thanks a lot in advance folks. /Kim Andersen

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  • Compile redeclaration error of global variable in C++, but not in C.

    - by coelhudo
    Suppose that I have those three files: a.h //a.h header #include <stdio.h> int int_variable; void a_f() { printf("int_variable: %d\n", int_variable) int_variable++; } b.h //b.h header #include <stdio.h> int int_variable; void b_f() { printf("int_variable: %d\n", int_variable) int_variable++; } main.c //main.c #include "a.h" #include "b.h" int main() { a_f(); b_f(); return 0; } Why compiling in C++ generates redefinition error, but in C doesn't? I am C++ developer, then in C++ makes sense to me, but why in C this is not an error? When I executed the C generated code, the output was: int variable: 0 int variable: 1 Thanks

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  • ASP.NET Error when referencing a code-behind variable

    - by mattgcon
    I have an aspx page that is supposed to reference a code-behind variable but I am receiving an error of "The name [variable] does not exist in the current context" Here is the aspx code <%@ Control Language="C#" AutoEventWireup="true" Inherits="IPAM.Website.Controls.controls_event_header" Codebehind="event_header.ascx.cs" %> <%# strEventLink %> <h3><%# strEventDate %></h3> <%# strLinks %> Here is part of the aspx.cs code declaring those variables: public string strEventLink = ""; public string strEventDate; public string strLinks = ""; Here is the part of the aspx.cs code where it sets those variables: strEventLink = "<h2>" + parent.Name + "</h2>"; strLinks += "<p><font size=\"+1\"><a href=\"" + Page.ResolveUrl("~" + strScheduleLink) + "\"><b>" + strScheduleLinkText + "</b></a></font></p>\n"; strEventDate = ei.DateSpan; Please help me with this problem

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  • Dereferencing pointers without pointing them at a variable

    - by Miguel
    I'm having trouble understanding how some pointers work. I always thought that when you created a pointer variable (p), you couldn't deference and assign (*p = value) unless you either malloc'd space for it (p = malloc(x)), or set it to the address of another variable (p = &a) However in this code, the first assignment works consistently, while the last one causes a segfault: typedef struct { int value; } test_struct; int main(void) { //This works int* colin; *colin = 5; //This never works test_struct* carter; carter->value = 5; } Why does the first one work when colin isn't pointing at any spare memory? And why does the 2nd never work? I'm writing this in C, but people with C++ knowledge should be able to answer this as well.

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  • Variable height header with scrollable content area filling remaining viewport area

    - by Neutrino
    I've seen versions of this simple problem raised a dozen times here and elsewhere on the web, but I haven't seen a solution that works for me yet so I'm asking it again. I want a webpage with a variable height full width header (height based on contents). Below that I want a content area that fills the rest of the browser viewport. If the content is larger than the remaining space in the viewport then I want the content area to scroll. I don't need this to work on IE6. I don't care whether the solution uses CSS, tables or a mixture of the two, just no frames and no Javascript. For a bonus point fix a variable height footer to the bottom of the page.

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  • Embedding a YouTube Video Based on a PHP Variable

    - by jeffpm
    I have a website that I am creating for a class project. The website shows information about bands (which is stored in a mysql database). I am trying to spruce up the site a bit, and I would like to embed a YouTube video based on the band's name. Say, for instance, I have "Led Zeppelin" stored in my database. How can I take a PHP variable containing "Led Zeppelin", search YouTube using that variable, find a random video, and then embed that in the website? From the research I've done, it seems you can only embed YouTube videos if you know the exact address of the video. Thanks!

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  • Ant ignores attempt to override the LANG environment variable

    - by Steen
    We need to test a java build with the languages set to different values. I can manually (i.e. via export LANG=en_DK.UTF-8 and export LANG=en_DK) test that the unit tests run with the ant build script behaves differently, but I need to set the environment variable from ant. I have tried setting it using these methods (with the shell $LANG set to en_DK.UTF-8): using -D on the command line: ant -DLANG=en_DK using a build.properties file with the line LANG=en_DK in it using the following statements in the build.xml file (sorry for the formatting, I can't get SO to display it otherwise): : <property environment="ANTENV"/> <property name="ANTENV.LANG" value="en_DK"/> Using any of the three possibilities, and when run with -debug, ant reports that: Override ignored for property "LANG" What can I do to set the LANG environment variable from within ant?

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  • Jquery Text Variable

    - by Batfan
    I am trying to get jquery to pick up variable that I am defining and I'm having issues doing it. $.ajax({ url: "sitemap.php", cache: false, success: function(html){ $("#results").append(html); var $seriestitle = $("#define-title").text(); $('#results a:contains("$seriestitle")').addClass('current-series'); $('a:not(".current-series")').hide(); } }); This is the code I am using. You can view the page at the following URL: http://benjammindesigns.com/XML/details/1231.html There is a span on the page, with the ID 'define-title', that contains text. I am trying to pull the text from that span and use it as my variable. Any info is greatly appreciated.

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  • PHP/Javascript - get php variable within javascript

    - by McNabbToSkins
    I have run into an interesting problem. I am currently developing php page and need to access a php variable within the javascript onload. $(document).ready(function() { var temp = <?php $page_id ?> } is this valid? I know that this might seem weird and not be allowed but I am developing a page that has two popup windows. The windows are created using the same view template and there is no way to distinguish between each other. If I stored a hidden value on the page with information unique to the page like so <input type="hidden" value="<?php $page_id ?> id="page_id" /> if there are two views open at the same time there is no way for me to get a unique page id like so var temp = $("#page_id").val(); Because there are two views witht he same input id that is not unique. Long story short is it valid to reference a php variable in the javascript.

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  • PHP reading 'get' variable that may or may not have been set

    - by thecoshman
    Simply put, if you try to read the value of a get variable, what happens if said variable had not be put into the URL. Example: you request the page test.php, in that file it tries to read the value of $_GET['message']. What happens in this case? dose the value just get returned as ''? Dose this mean, that if I am always expecting a value to be entered, and am not willing to accept a value of '' that I can just do something like $foo = $_GET['bar']; if($foo == ''){ // Handle my 'error' } else { // $foo should now have a value that I can work with } Please bare in mind I know that I could use isset($_GET['bar']) But I don't just want to know if it is set, I don't care if it is or not, I just care if it has a value that is more then just an empty string.

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  • How to Access a Private Variable?

    - by SoulBeaver
    This question isn't meant to sound as blatantly insulting as it probably is right now. This is a homework assignment, and the spec sheet is scarce and poorly designed to say the least. We have a function: double refuel( int liter, GasStation *gs ) { // TODO: Access private variable MaxFuel of gs and decrement. } Sound simple enough? It should be, but the class GasStation comes with no function that accesses the private variable MaxFuel. So how can I access it anyway using the function refuel? I'm not considering creating a function setFuel( int liter ) because the teacher always complains rather energetically if I change his specification. So... I guess I have to do some sort of hack around it, but I'm not sure how to go about this without explicitely changing the only function in GasStation and giving it a parameter so that I can call it here. Any hints perhaps?

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