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• How to do median filter on an indexed image using MATLAB?

  - by Runner

  medfilt2(img) doesn't take a map as parameter, so I don't think it can work well with indexed image, how do I impelemnt an median filter that can be used to process indexed images?

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• javascript error listener

  - by John Doe

  hi all i try using window.attachEvent (or addEventListener) to capture js errors my callback function gets only one event parameter my question is: how do i get line number and source file of the error from this event? the alternative usage window.onerror=callback; works but an event listener has other benefits thus im giving it a try

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• django url from another template than the one associated with the view-function

  - by dana

  Heyy there, i have an application, and in my urls.py i have something like that: urlpatterns = patterns('', url(r'^profile_view/(?P<id>\d+)/$', profile_view, name='profile_view'),) meaning that the profile_view function has id as a parameter. Now, i want to call that function from another template than the one associated with the def-view that has this url. How should i do that? i have to put two render_to_response to one same function, in order to render the objects from both models? thank you!

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• How do I customize the ASP.Net Bubble Event to pass an additional variable?

  - by CowKingDeluxe

  I am using BubbleEvent to give events from a web user control to its parent (which is a Default.aspx with code behind page). I would like to use BubbleEvent to not only pass the sender and event, but also an integer or another variable. Is there a way to add a parameter to the BubbleEvent, or is there a different way I should be approaching this?

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• List files that don't match a string in bash

  - by Javier

  Dear all, I'm a newbie in bash and I would like to pass as parameter to a python function all files in a directory that don't match a given pattern. sth. like: $myscripts/myprog.py $myfiles/!(bonjovi) The above example should retrieve all files that don't match to "bonjovi". Best wishes

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• How to differentiate two constructors with the same parameters?

  - by cibercitizen1

  Suppose we want two constructors for a class representing complex numbers: Complex (double re, double img) // construct from cartesian coordinates Complex (double A, double w) // construct from polar coordinates but the parameters (number and type) are the same: what is the more elegant way to identify what is intended? Adding a third parameter to one of the constructors?

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• C++ using this pointer in constructors

  - by gilbertc

  In c++, during a class constructor, I started a new thread with 'this' pointer as a parameter which will be used in the thread extensively (say, calling member functions). Is that a bad thing to do? Why and what are the consequences? Thanks, Gil.

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• Crystal report parametr field validation

  - by Domnic

  Im using crystal report in asp.net....I have create parameter fields to get input....Consider if i create numeric parametere field then i have to validate that particular field if user enter other than numbers how?

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• Simple WCF service with REST - Resource cannot be found - error with ASP.NET Debug Server?

  - by lesasch

  Hi, I'm testing a very simple WCF-Service with REST functionality enabled. It works fine on IIS, but the VS2010 debug webserver always says "The resource cannot be found" when appending the parameter after the .svc file in the browser uri. Is this a known issue with the asp.net debug webserver that it cannot work with REST or am I doing anything wrong? (again: with IIS, it works)

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• Android full Screen flag gives an exception

  - by sukitha

  In my android app I set this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN ); Then my touch screen event doesnt’ work any more. Further Explaining, I have a button and onClick it changes the contentView by setContentView(R.layout.choose_player);. It works fine. But if you take the focus to the button by the trackball(making it yellow) and tap on it, it gives the exception. java.lang.IllegalArgumentException: parameter must be a descendant of this view

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• What is sender?

  - by marty

  I can't find this answer anywhere. What does it mean when there's a sender parameter in a method header? Does it represent the instance that called it, or the method that called it?

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• Prevent access to files outside a certain directory in PHP

  - by James L

  I've found out the hard way that my website can be hacked by passing a query string parameter that has many ../s to access files outside of the website directory, and then screw with the website. Is there a way, perhaps through the php.ini, to not allow file includes outside of a certain root directory?

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• Using MySQL variables in a query

  - by Jon Tackabury

  I am trying to use this MySQL query: SET @a:=0; UPDATE tbl SET sortId=@a:=@a+1 ORDER BY sortId; Unfortunately I get this error: "Parameter '@a' must be defined" Is it possible to batch commands into 1 query like this, or do I need to create a stored procedure for this?

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• Does anyone see any downsides of doing the following to prevent CSRF?

  - by Spines

  I'm wondering if the following method will completely prevent CSRF, and be compatible with all users. Here it is: In the form just include an extra parameter that is: encrypted(user's userID + request time). Server-side just decrypt and make sure it's the right userID and the request time was reasonably recent. Aside from someone sniffing the user's traffic, is this completely secure? Are there any downsides?

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• What is an instance in Java ? Confused between instance and object

  - by happysoul

  Are they same ? Came across this line when reading about Java's main method's signature "String args[ ] declares a parameter named args, which is an array of instances of the class String. Objects of type String store character strings."

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• Where can I find the IRQ number in request_irq function?

  - by sasayins

  Hi, Im learning device driver programming in Linux. And I'm wondering where I could the IRQ number in the request_irq function. int request_irq (unsigned int irq, void (*handler) (int, void *, struct pt_regs *), unsigned long irqflags, const char *devname, void *dev_id); In the irq parameter, what value or where could I find that value to put in the request_irq function? Thanks

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• OsCommerce - Remove osCsid in urls

  - by user203350

  I discovered that Google has indexed the osCsid parameter in some of my URLs at my osCommerce application. I tried to find a solution but I don't want to do something if I'm not sure what I'm doing. I only have access to the FTP and not the CMS system. Is it possible to solve this problem through the FTP?

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• Changing default REST routes in Rails 3

  - by Vincent

  I need to add one parameter to the default REST route for the show action for SEO purposes: resources :neighborhoods, :only => [:index, :show] neighborhood_url(neighborhood) # => /neighborhoods/lower-east-side I want something like the following: neighborhood_url(city, neighborhood) # => /neighborhoods/manhattan/lower-east-side What would be the easiest way to do this without using nested routes and without breaking Rails REST conventions?

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• Find out the number of digits of min/max values of an integral type at compile time

  - by Checkers

  Is there a way to find out the number of digits of min/max values of an integral type at compile time so that it's suitable to be placed as a template parameter? Ideally, there will be an existing solution in, for example, Boost MPL. Failing that I'm looking for some pointers for a hand-coded solution.

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• Getting maximum value of float in SQL programatically

  - by Axarydax

  Is there an method for programatically (in T-SQL) retrieving the maximum (and minimum) value of a datatype? That it would act like float.MaxValue in C#. I would like to use it in some selection when the parameter does not equal any actual values in the database, so I would use something like declare @min float declare @max float /*fill @min and @max, can be null if undefined*/ select * from foo where bar between isnull(@min,0 ), isnull(@max,max(float)/*magic*/) Thanks

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• is there a difference between `bzr clone`, `bzr branch` and `bzr checkout`?

  - by knittl

  obviously bzr clone, bzr branch and bzr checkout all do the same thing when given an URL as parameter and executed in a non-bzr directory. is there any difference for later bazaar workflow? i.e. bzr commit, bzr update and friends.

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• how to get paramater from commandline when running rcp in command window?

  - by ??

  as we know, we can run eclipse in command line as follows: eclipse.exe -clean I need run my eclipse rcp program in the same way myrcp.exe path then how can I get the parameter "path" in myrcp code? thanks~

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• passing an array struture as an array

  - by Matias

  I'm having trouble passing a struture array as a parameter of a funtion struct Estructure{ int a; intb; }; and a funtion Begining(Estructure &s1[]) { //modifi the estructure s1 }; and the main would be something like this int main() { Estructure m[200]; Begining(m); }; is this valid?

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• Android - Volume Buttons used in my application

  - by Iuliu Atudosiei

  Hi, I need to use volume buttons to control a variable parameter in my application. I use Activity.onKeyDown to get notified when the button is pressed but the media volume is also increased. Android is doing something like below when I press the volume key: 1. increase media / ringtone volume 2. pass the event to my application Is there a way to avoid increasing the system volume and use volume key only for my application ? Thanks

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• Exception: Need to specify class name in environment or system property: java.naming.factory.initial

  - by DanDan

  When i run a JMS related application, i am encountering the following exception error. javax.naming.NoInitialContextException: Need to specify class name in environment or system property, or as an applet parameter, or in an application resource file: java.naming.factory.initial We are using Sun Application Server 9.1 Any idea what are we missing? I already tried adding the following but result still the same Properties env = new Properties(); env.put("java.naming.factory.initial","com.sun.jndi.cosnaming.CNCtxFactory"); Context ctx = new InitialContext(env);

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