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• How do I use a spark variable in an html helper?

  - by Quintin Par

  Can I use a spark variable inside an html helper? Say we have <var url="Url.Action(“get”)" /> !{Html.Image("~/Content/up.png")} Now if I need to use the url inside Html.Image as an attribute(part of the 2nd param) to get <img src="~/Content/up.png" type="~/engine/get" /> how do I go about doing it?

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• How to get the current exception without having passing the variable?

  - by Pierre-Alain Vigeant

  I am looking for a way to retrieve the current exception without having to pass it as a variable. Suppose the following code public void MakeItFail() { try { throw new FailException(); } catch // Yes I'm aware that this shouldn't be done, but I don't want to go through all the code base and change it { ShowMessage("An error occured"); } } public void ShowMessage(string message) { // How can I retrieve the exception here } In the watch window, I can use $exception to get the current exception. Is there is a code equivalent?

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• Closest Ruby representation of a 'public static final' class variable in Java?

  - by Hosh

  Given the Java code below, what's the closest you could represent this private static final variable in a Ruby class? public class DeviceController { ... private static final Device myDevice = Device.getDevice("mydevice"); ... public static void main(String args[]) { ... } }

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• Integer variable is acquiring a string value of "ad" somewhere along the line, can anyone see where?

  - by Phil

  Here is my code: I should get output of the department id (did) as an integer and the templatefilename (result) that is required. The errors I get are: Conversion from string "ad" to type 'Integer' is not valid. I'm fairly new to asp.net and cannot see where the did variable picks up the "ad" string. Any help would be greatly appreciated. Thanks

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• How to store all in a variable instead of echoing everything separately?

  - by FLX

  Hi, please see: http://pastebin.com/5za3uCi1 I'm quite new to php and I'm editing the ventrilo status script. What I'd like it to do is that it stores everything in one big variable for easy parsing instead of using separate echo's. Can someone tell me how I can accomplish this? Thanks, Dennis

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• How does one NOT html_encode a variable in rails?

  - by deadkarma

  With Rails, If I have a variable with HTML content, how do I output it, unencoded in my view file? This code, for example: <% my_variable = "<b>Some Bolded Text</b>" %> <%= my_variable %> Outputs: &lt;b&gt;Some Bolded Text&lt;/b&gt;

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• How do I call a function using a function name generated from a string variable.

  - by Roeland

  In the process of automating some code, I am looking to call upon a function based on what a string is. For example, I have a variable $somevar which is set to the string "This". Now I want to run a function doThis(); So, I was hoping I could write do.$somevar($var,$var2) . I want it to run doThis($var1,$var2). Is this possible?

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• How to create dynamic incrementing variable using "for" loop in php?

  - by Parth

  How to create dynamic incrementing variable using "for" loop in php? like wise: $track_1,$track_2,$track_3,$track_4..... so on....

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• Haw can i use a value from a session variable within the attribute of a control?

  - by William Calleja

  I have an ASP control custom built and I need to pass a value taken from a session variable to it like so: <custom:control id='mycontrol' value="+Session['myControlValue']+"> ... </custom:control> the above code obviously doesn't work, I need a way to insert the Session value in the control in this way somehow, can anyone help?

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• How can I access class variable inside a NSMutableArray object?

  - by ahmet732

  I have "Man" class which also has 2 variable : "description" and "name". At a point, I created Man class and initialize with its own variables (description and name) and pass it to NSMutableArray "collector". How can I access description now ? I tried but i could not get the property

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• Reusing a NSString variable - does it cause a memory leak?

  - by Chris S

  Coming from a .NET background I'm use to reusing string variables for storage, so is the code below likely to cause a memory leak? The code is targeting OS X on the iphone/itouch so no automatic GC. -(NSString*) stringExample { NSString *result = @"example"; result = [result stringByAppendingString:@" test"]; // where does "example" go? return result; } What confuses me is an NSStrings are immutable, but you can reuse an 'immutable' variable with no problem.

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• Why do Windows environment variable names use a special escape character?

  - by bde

  I am curious if there is any history behind why the ^ character is used to escape the special characters <, , |, &, and ^ in environment variable names in Windows instead the '\' character that is typically used to escape special characters. Please note that I realize there may be no reason for this, but I'd be interested to hear if there is a reason.

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• How to find the physical address of a variable from user-space in Linux?

  - by Sandip

  I want to find the physical address of a variable defined in a user-space process? Is there any way to do it using root privileges?

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• How can fill a variable of my own created data type within Oracle PL/SQL?

  - by Frankie Simon

  In Oracle I've created a data type: TABLE of VARCHAR2(200) I want to have a variable of this type within a Stored Procedure (defined locally, not as an actual table in the DB) and fill it with data. Some online samples show how I'd use my type if it was filled and passed as a parameter to the stored procedure: SELECT column_value currVal FROM table(pMyPassedParameter) However what I want is to fill it during the PL/SQL code itself, with INSERT statements. Anyone knows the syntax of this?

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• In PHP :how can I use include() Function which parameter is variable ?

  - by Nina

  Hi.. I need to use include Function with variable. but,when I try to do it I faced some errors . Code : $year=$_POST['year']; $month=$_POST['month']; $day=$_POST['day']; include "Event.php?year=".$year."&month=".$month."&day=".$day; so,can U help me ? : )

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• Is there a way define a global variable which is accesible from a class method?

  - by Starx

  Here is the situation I create a instance of a class $newobj = new classname1; Then I have another class writtern below and I want to this class to access the object above class newclass { public function test() { echo $newobj->display(); } } It is not allowed, is there a way define a variable globally through a class?

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• hi all here is another problem of Ajax , strange but ...

  - by Dumbledore of flash

  when i put ajax on my code I send a group of variable via post but when i received the data it is in a obj.responseText ie TEXT format. say i have two files "form.php" and "index.php" ajax is implemented in form.php while index.php returns the text. but my problem is index.php also generates a variable named "tarriff_count" i want to catch systematically and separately this variable, Is there any systematic way to catch variable.also keep in mind "obj.responseText" is very complicated to get a variable from "preg_match" ?

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• How do I pass an asp variable to a selectcommand?

  - by Anthony

  I am trying to pass a variable "PIN2" that I am retrieving like below to a SelectCommand statement in a asp SqlDataSource tag <% Dim PIN As String = Request.ServerVariables("LOGON_USER") Dim PIN2 As String = Right(PIN, 6) %> Thanks

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• How to acces a global variable in a callback object in javascript YUI without use window.myvariable

  - by quilovnic

  I have this : var MyObject = function(){ this.url = "monurl"; this.mavar = ""; this.Load = function(){ var callback = { success: function(o){ mavar = o.responseXML.getElementsByTagName("montag")[0].firstChild.nodeValue; } } YAHOO.util.Connect.asyncRequest('GET',url,callback); } } the mavar variable is not accessible. How can I do this ?

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• How to remove a text from a variable? (php)

  - by Glister

  I have a variable $link_item, it's used with echo and gives the strings like <span class="name">Google</span>http://google.com How to remove "<span class="name">Google</span>" from string? It should give just "http://google.com". Heard it can be done with regex(), please help.

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• Can I set an environment variable for an application using a shortcut in Windows?

  - by serpent5

  I have a feeling I should be able add a directory to the PATH environment variable on an application-lifetime basis, but I can't find out how to do this. Is it possible to add a parameter to a Windows shortcut that appends a directory to the current value of PATH for use by the application being linked? Cheers.

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• Can you still do variable arguments in C the old way?

  - by philcolbourn

  Purely for interest, I am re-learning C after ... I don't know ... 15 - 20 years. I seem to recall that variable arguments were implemented as simple macros. Can anyone remember what they were? Will they still work today?

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• How to get a name of a variable coming into a function as a parameter using F#?

  - by Oldrich Svec

  Is there any way in F# how to get a name of a variable passed into a function? Example: let velocity = 5 let fn v = v.ParentName let name = fn velocity // this would return "velocity" as a string Thank you in advance

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• How do I increment a variable so it chooses differnet lines from a text files in a While Loop.

  - by Kirk

  I have a script im writing. Here is whats happening. There is a while loop. In the while loop is a variable which is constant to X. How do i make X change from line one, line two, etc for each cycle of the while loop and pull X from a .txt file. Everything is in root. Thanks

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• Most inappropriate function or variable names you have encountered?

  - by Andrioid

  I was reading through my daily doze of RSS when I noticed a link to the python compiler documentation where class names like assList, assName and assTuple exist. While starting names with 'ass' is perfectly acceptable to me, it just sparked this idea that there probably exist much better examples of this. Have you personally used or otherwise encountered any inappropriate function or variable names? Personally I have used 'crap' and 'moo' for temporary purposes, forgot them and at a later point they came too integrated for me to bother with fixing them.

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