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• jQuery.getScript: data variable in callback undefined

  - by Hannes

  I'm trying to load an external JavaScript using jQuery's getScript(), like this: $.getScript("http://api.recaptcha.net/js/recaptcha_ajax.js", function(data) { window.alert(data); }); but as the alert window shows, the data variable in the callback function is undefined, unlike promised in http://docs.jquery.com/Ajax/jQuery.getScript#urlcallback. Anyone know why this might be? Thanks.

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• Dots and spaces in variable names from external sources are converted to underscores

  - by Brandon

  Trying a bit of AJAX, and I find that much of my data is littered with underscores! Documentation confirms that this is working as intended. Any way to pass my form information to PHP intact? I'm using CodeIgniter, so my pass looks like /controller/function/variable, receiving controller: controller{ function($v=0){#what once was hello world is now hello_world...} } I can't very well do an undo, data might contain an underscore. Thanks, Brandon

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• R programing: creating a stacked bar graph,with variable colors for each stacked bar

  - by Adam A

  Hello, I'm trying to create a stacked bar graph with variable coloring in each stacked bar; that is, one bar has say blue on top of red, the next one red on top of purple, ect. I also wanted to preserve the ability to stack graphs. Thank you so much guys. Adam

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• javascript: why to "sign-prefix" a variable?

  - by harald

  hello, i'm currently looking at a little 3rd-party javascript library and i see a lot of "sign-prefixed" variables in it: function_call(+value); i know, that you can swap the sign, if you prefix a variable with '-', but why to prefix something with a '+' -- it doesn't do anything to the value, no? thanks in advance!

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• how to load a page using a variable in jquery

  - by junray

  hi, i'm using the jquery function .load: $('div#content').load($lin '.entry-content'); how can i call a variable inside the brackets?

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• what variable i can use instead of shared?

  - by SmartestVEGA

  I have the following variable which creates problem when i use multiples instance of the same web form. Could you please let me know how i could what variables other than shared i can use to achieve this purpose? Public strRoleType As String = String.Empty Protected Shared isAreaSelected As Integer = 0 Protected Shared isStoreSelected As Integer = 0 Protected Shared isHeadOfficeSelected As Integer = 0 Protected Shared isRegionSelected As Integer = 0

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• Member variable pointers to COM objects

  - by drelihan

  Hi Folks, Is there any problem with keeping member variable pointer refernces to COM objects and reussing the reference through out the class in C++. Is anybody aware of a reason why you would want to call .CreateInstance every time you wanted a to use the COM object i.e. you were getting a fresh instance each time. I cannot see any reason who you would want to do this, Thanks, (No is an acceptable answer!!!)

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• How to know when an instance variable gets set in Ruby

  - by Brian Genisio

  Is there any way to override the setting of instance variables in Ruby? Lets say I set an instance variable: @foo = "bar" Can I intercept that and do something (like record it or puts, for instance)

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• Variable Context Question

  - by Soo

  In the following code snippet, if I leave out the line of code that is surrounded by the /////'s, I get an error that reads: "Use of unassigned local variable CurrentDate". It seems a bit silly for me to just give CurrentDate an arbitrary value, is there a better way around this? DateTime CurrentDate; /////////////////////////// CurrentDate = DateTime.Now; /////////////////////////// if(1==1) { CurrentDate = DateTime.Now.AddDays(1); } if(CurrentDate == DateTime.Now) { ... }

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• rake db:migrate gives a uninitialized class variable @@configuration in Rails error

  - by PK

  uninitialized class variable @@configuration in Rails /usr/lib/ruby/gems/1.8/gems/rails-2.1.0/lib/initializer.rb:19:in `configuration' /usr/lib/ruby/gems/1.8/gems/thoughtbot-factory_girl-1.2.2/lib/factory_girl.rb:24 /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in `gem_original_require' This is the initial part of the enviroment.rb: RAILS_GEM_VERSION = '2.1.0' unless defined? RAILS_GEM_VERSION require File.join(File.dirname(__FILE__), 'boot') Rails::Initializer.run do |config| config.gem "oauth", :version => "0.2.7", :lib => "oauth"

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• Facebook Application Parse Error CSS

  - by madphp

  Hi, Im getting some parse erros when loading in my facebook app through the canvas. Its in an iframe. Can anyone tell me where I can start to look for documentation regarding this? Errors whilst loading page from application Parse errors: CSS Error (line 40 char 36): Error in parsing value for property.: 'font' Declaration dropped. CSS Error (line 183 char 18): Expected declaration. Skipped to next declaration. CSS Error (line 272 char 65): Unknown property.: '-webkit-border-radius' Declaration dropped. CSS Error (line 272 char 110): Unknown property.: 'border-radius' Declaration dropped. CSS Error (line 272 char 135): Unknown property.: '-webkit-box-shadow' Declaration dropped. CSS Error (line 272 char 181): Unknown property.: '-moz-box-shadow' Declaration dropped. CSS Error (line 272 char 221): Unknown property.: 'box-shadow' Declaration dropped. CSS Error (line 317 char 23): Unknown property.: '-webkit-border-radius' Declaration dropped. CSS Error (line 319 char 15): Unknown property.: 'border-radius' Declaration dropped. Thanks --Mark

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• How to determine if variable is 'undefined' or 'null'

  - by sadmicrowave

  How do I determine if variable is 'undefined' or 'null'. My code is as follows: EmpName = $("div#esd-names div#name").attr('class'); if(EmpName == 'undefined'){ ///DO SOMETHING///// };

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• Do condition variables still need a mutex if you're changing the checked value atomically?

  - by Joseph Garvin

  Here is the typical way to use a condition variable: // The reader(s) lock(some_mutex); if(protected_by_mutex_var != desired_value) some_condition.wait(some_mutex); unlock(some_mutex); // The writer lock(some_mutex); protected_by_mutex_var = desired_value; unlock(some_mutex); some_condition.notify_all(); But if protected_by_mutex_var is set atomically by say, a compare-and-swap instruction, does the mutex serve any purpose (other than that pthreads and other APIs require you to pass in a mutex)? Is it protecting state used to implement the condition? If not, is it safe then to do this?: // The writer protected_by_mutex_var = desired_value; some_condition.notify_all(); With the writer never directly interacting with the reader's mutex? If so, is it even necessary that different readers use the same mutex?

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• Is Pointer Variable also Assigned a Memory Address?

  - by yuespace

  In C++: On stack, a simple variable is assigned a memory address so that we can use pointer to contain this memory to point to it; then is a pointer also assigned a memory address? if yes, we can have pointer of pointers now? Thanks!

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• How to have function recall private variable between invocations

  - by John Mee

  Here's an easy one straight from the text book I can't seem to find. I have a javascript function. I want it to contain a private variable which remembers its value between invocations. Can someone jog my memory please.

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• store SID in a variable

  - by user361191

  Hi, I need a way to store the current user's SID in a variable, I tried a lot of variants of: setlocal enableextensions for /f "tokens=*" %%a in ( '"wmic path win32_useraccount where name='%UserName%' get sid"' ) do ( if not "%%a"=="" set myvar=%%a echo/%%myvar%%=%myvar% pause endlocal None are working wmic path win32_useraccount where name='%UserName%' get sid should be returning 3 lines, i need the second one stored in a variabel Can someone fix my script? edit btw; I am using a .cmd file

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• PHP: Define function with variable parameter count?

  - by John Isaacks

  Is there a way to define a function in PHP that lets you define a variable amount of parameters? in the language I am more familiar with it is like so: function myFunction(...rest){ /* rest == array of params */ return rest.length; } myFunction("foo","bar"); // returns 2; Thanks!

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• Javascript RegExp with a variable not working in IE

  - by TenJack

  I am having a problem getting a RegExp with a variable to work in IE. It works fine in firefox: wordChar = word[i] var expr = new RegExp(wordChar,"i") var hold = expr.test(input[i]) Not sure how to go about fixing this.

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• how to acess and change variable of kernel space from user space

  - by bhavin

  i, I have posted query previously and i am repeating same I want to modify igmpv3 (Linux) which is inbuilt in kernel2.6.-- such that it reads a value from a file and appropriately decides reserved(res 1) value inside the igmpv3 paket which is sent by a host. I want to add more to above question by saying that this is more a generic question of changing variable of kernel space from user space. Thanks in advance for your help. Regards, Bhavin

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• PHP: variable-length argument list by reference?

  - by GetFree

  Is it possible to create a PHP function that takes a variable number of parameters all of them by reference? It doesn't help me a function that receives by reference an array of values nor a function that takes its arguments wrapped in an object because I'm working on function composition and argument binding. Don't think about call-time pass-by-reference either. That thing shouldn't even exist.

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• PHP Calculating future date by adding days to a variable date

  - by OneNerd

  I was looking at this post, and it is close to what I need: http://stackoverflow.com/questions/1669165/php-how-to-count-60-days-from-the-add-date However, in that post, the calculation is performed by adding 60 days to the current date. What I need to do is calculate the date based on a variable date (and not the current date). Something like this: $my_date = $some_row_from_a_database; $date_plus_10_days = ???; Anyone know how to do that? Thanks

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• replace only one variable in web.py templates

  - by Asterisk

  I am passing variable to template in web.py and have the same condition in some places. Like this: $if myvar=="string1": $passed argument1 ............ $if myvar =="striung2": $passed argument2 If say myvar is "string1" and I pass passed = "AAA" then I have AAA argument1 on my page, but the other if statements get replaced by empty string? How to avoid that? I.e. how to leave other statements intact?

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• [PHP] Dots and spaces in variable names from external sources are converted to underscores

  - by Brandon

  Trying a bit of AJAX, and I find that much of my data is littered with underscores! Documentation confirms that this is working as intended. Any way to pass my form information to PHP in tact? I'm using code igniter, so my pass looks like /controller/function/variable, receiving controller: controller{ function($v=0){#what once was hello world is now hello_world...} } I can't very well do an undo, data might contain an underscore. Thanks, Brandon

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• set windows PATH environment variable at runtime in Java

  - by hhhh

  I have a java program that fires off an executable using the Runtime.exec() method. I'm using the variant that takes in a set of command line params as one argument, and some environment variables as another argument. The environment variable I'm tryign to set is path, so i'm passing in "PATH=C:\some\path". This does not work. Is there some trick to this or any alternatives. I am stuck to Java 1.4 unfortunately.

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• Convert a ResultSet String Into a Workable Variable to Populate a jTable

  - by Nathan Campos

  I'm building a application that needs to convert a ResultSet String(rs.getString(Names);) into a workable variable to populate a jTable, only one collumn, then the rest I think that I could try by doing a loop. How could I do this?

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