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• how toGet the RGB value of an image in a page using javascript?

  - by Nok Imchen

  I am trying to make a bookmark-let. But I'm stuck at a point. I need to extract the RGB or the color value of an image of very x pixel using the "For Next" statement. But i don't know what function can help me to extract the RGB value. Can someone please help me out with the function that tells the value of RCG of a given point in a picture?

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• Encrypt column data with LINQ

  - by kape123

  I was wondering if there is easy solution to this or I'm stuck with following: When updating DB: dti.Pass = Crypter.Encrypt(dti.Pass); _db.SubmitChanges(); When selecting from DB: Data.DbTableItem dti = _db.Single(a=a.Id == id); dti.Pass = Crypter.Decrypt(dti.Pass); Meaning - I am not really into writing repetitive code and this seems like logical thing to be supported by LINQ; so I'm wondering if it is.

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• Dragging and Dropping between <s:List> and <mx:Tree> in Flex 4.

  - by Kyle Van Koevering

  Does anybody know if it is possible to drag items from a s:List control into an mx:Tree control? I've been stuck on this problem for quite some time and am at the end of my rope. If it is not possible does anybody have any suggestions for what I can do instead?

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• How to debug hanging main thread in Delphi application

  - by Harriv

  Hi, I've written application in Delphi 2007, which some times hangs (not even every week, application is running 24/7). It looks like main thread gets stuck. What are the options to pinpoint the cause for this problem? Application is written in Delphi 2007, it uses RemObjects, DBExpress with Firebird, OPC communication using COM.

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• How to send emails with a Return Path in .net 3.5

  - by Haroon

  Can any one guide me on how i can send emails with a return path in ASP.net 3.5 / C# 3.5. I know this was possible few years back but now due to spoofing issues this is not possible. I have been looking on internet but no use. I want the emails if bounced, should reach my bounce mail box, which could be like [email protected]. Please guide. Really stuck ... Best regards, Haroon

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• Weird gcc error stray/missing terminating " character in C

  - by DreamCodeR

  I get the following errors: error: missing terminating " character and error: stray `\' in program In this line of C code: system("sqlite3 -html /home/user/.rtcom-eventlogger/el.db \"SELECT service_id, event_type_id,free_text, remote_uid FROM Events WHERE remote_uid=\'%d\' ORDER BY start_time DESC;\" > lol.html", nr); "nr" is a integer variable. I have gone over this so many times but are totally stuck of finding a solution. EDIT: The errors is the ouput while compiling with gcc if I didn't make that clear.

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• Bind multiple events to jQuery 'live' method

  - by Will Peavy

  jQuery's 'live' method is unable to handle multiple events. Does anyone know of a good workaround to attach multiple events to a function that polls current and future elements? Or am I stuck using duplicate live methods for each event handler I need? Example - I am trying to do something like: $('.myclass').live('change keypress blur', function(){ // do stuff });

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• how to sort Gridview rows by a unbound Template column

  - by Nickson

  i want to sort my Gridview rows by a template column that is not bound to any database field. This template coulmn just has a label whose text i set in code depending on a value in a different column that is databound. So am stuck on how to set its sortExpression since its not linked to an column.

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• What are some fun project ideas for a new Python developer?

  - by Sergio Tapia

  I'm new to Python 3 and so far it seems like a decent language. I really like the string manipulation methods you can use and they are pretty radical. :) I'm stuck however in thinking of a project to do with Python. Is there a site similar to Coding4Fun but for Python? Community Wiki because I think this question is really interesting. :D

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• Does ASP.net 1.1 support Generic HttpHandlers ?

  - by Campos

  I need to get an image from a SQL Server as a byte[], and load it to a WebControl.Image. The only seemingly good way to do it that I found is to implement IHttpHandler and handle the request accordingly. But I'm stuck to using asp.net 1.1. Does it support ashx files?

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• Sequence Diagram return a new constructed Object

  - by user256007

  I am drawing a Sequence Diagram where the scenario is. 1. an Actor calls :Table::query(query:String) :Table::query Calls :Connection::execute(query) :Connection::execute < a new :Row Object :Connection::execute calls :Row::fillData(result) :Connection::execute returns :Row ...... There are More But I am Stuck in Step 5 I cant Understand how to draw that, :Connection::execute returning the newly Constructed Row itself, in a Standard way.

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• Please Help me to create a replace function in vb.net

  - by Rajesh Rolen- DotNet Developer

  Please Help me in creating a replace function. Problem: Their is a alfanumeric value of any lenght (string) and i want to replace its all characters with 'X' except right four characters Like : Value : 4111111111111111 Result Should be: XXXXXXXXXXXX1111 I have created a function but got stuck: public function myfunction(str as string) str.Replace(str.Substring(0, str.Length - 5), 'X') 'but here i want no of x to be equvals to count of lenght of str - 4 end function please tell me a better fuction to perform such a operation

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• geting the median of 3 values using sheme car & cdr

  - by kristian Roger

  Hi still stuck with the ugly scheme the problem this time is to get the median of three values (easy) I did all these : (define (med x y z) (car(cdr(x y z))) and it was accepted but when testing it (med 3 4 5) I will get this error Error: attempt to call a non-procedure (2 3 4) and when entering letters inetead of number i got (md x y z) Error: undefined varia y (package user) using somthin else than x y z i got (md d l m) Error: undefined variable d (package user) so what is wronge ?!

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• how do I add contacts from the AddressBook into a tableview?

  - by orangecl4now

  Basically I am trying to do the following but I'm stuck. How do I get data from the addressbook and add them to a tableView. (no pickers) I'm only interested in people who have an address in their AddressBook card. (so I want to ignore those entries that only have a telephone, IM, phone, etc). Thank You

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• Webcam capture and convert to avi

  - by Spidfire

  Im trying to make a program that captures a video from the webcam and sound from the microphone but im getting stuck at the part where ive try to make a movie out of still images ive heard you need to use directshow but it doesnt jet work for me Does someone know a good piece of example code that captures video and sound and can encode it to a file (divx or something like that) ? or some suggestions where to look so i can build it myself (if a other programming language is better for this im happy to know it early. )

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• Drupal - assign menu to block based on node type

  - by ernie

  I want to assign a specific menu in left sidebar block, based on the node type of the page currently being displayed. I think it should look something like this, but I am stuck. function my_module_nodeapi(&$node, $op) { switch ($op) { case 'view': if ($node->type == "large_reptiles") { //menu_set_active_menu_name('menu_reptile_menu'); //menu_set_active_item('menu_reptile_menu'); } break; } }

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• Contains Query into MongoDB Array using Mongoose

  - by Nilay Parikh

  I'm trying to query into following document and want to list all document which contains TaxonomyID "1" in "TaxonomyIDs" field. ... "Slug" : "videosecu-600tvl-outdoor-security-surveillance", "Category" : "Digital Cameras", "SubCategory" : "Surveillance Cameras", "Segment" : "", "Usabilities" : [ "Dome Cameras", "Night Vision" ], "TaxonomyIDs" : [ 1, 12, 20, 21, 13 ], "Brand" : "VideoSecu", ... Totally stuck!

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• google oauth callback

  - by Ben None

  Setting oauth with some providers is always kind of weird; currently hitting a problem concerning the callback, i had made everything work very nicely with google, getting redirected back specifying the callback url in both the get_request_token and redirect url param oauth_callback= but it then for some reason stopped redirecting, i'm currently stuck with the pin to specify over at google. I seeking explanations about this, if anybody went through the same kind of problem. thx

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• scala sbt with pk11 or steps

  - by portoalet

  I am quite frustrated with sbt and pk11/steps I am just trying to run "jetty-run", but i got so many dependency errors, it's not fun anymore. I am stuck with unresolved dependencies for sjson 0.3 Does anyone know which mvn repo can I get sjson 0.3 from?

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• Ajaxrequest with Wicket but multiple possilbe model values

  - by Markus Maria Miedaner

  Hi, I'm new to wicket and stuck with the following problem: I have a table with 5 rows. Each row contains 7 cells. Each cell has a unique value. Once a cell is clicked, its unqiue value should be posted to the server. I would like to register only one ajaxfallbacklink (or similar) on the table and adjust the value of the model to the unique value of cell that has been clicked. Any ideas?

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• How to preload or lazyload images in a UITableView on iPhone?

  - by Mr_Nizzle

  I'm having a problem when scrolling down and up a tableView on iPhone it gets kind of stuck while loading the images i need a method to preload the images so the scroll can be fluid or load the images 'till the scroll event stops... any help on this?

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• Binding Jar Library

  - by Juliano

  I'm trying to bind a jar library (jCIFS) on MFA, but i'm stuck on some errors, like this one: 'Jcifs.Util.MD4' does not implement inherited abstract member 'Java.Security.MessageDigestSpi.EngineDigest() After some research, i found some topics about this, telling to edit the metadata to change the permissions of the classes, like this: <attr path="/api/package[@name='java.security']/class[@name='MessageDigestSpi']/method[@name='engineDigest']" name="visibility">public</attr> But the error didn't change, and a still won't get what this error means. Anyone ? Thanks.

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• Split an array, not working

  - by Kyle Hudson

  Hi OK I need to figure out how to count how many numbers are in the following example. 07000000000,07000000001,07000000002,07000000003,07000000004 etc... I have tried the following PHP functions. explode, implode, count, foreach and for. None of them seemed to have worked and I am really stuck now. Any help will is appriciated. Kyle

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• Matlab - applying low-pass filter to a vector?

  - by waitinforatrain

  If I have a simple low-pass filter, e.g. filt = fir1(20, 0.2); and a matrix with a list of numbers (a signal), e.g. [0.1, -0.2, 0.3, -0.4] etc, how do I actually apply the filter I've created to this signal? Seems like a simple question but I've been stuck for hours. Do I need to manually calculate it from the filter coefficients?

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• Java Web Application on Tomcat - Displaying a File Uploaded by User

  - by walnutmon

  I need to display uploaded files on a web application, the flow is as follows User uploads file through web UI Validation on image Makes call to imageRepository.store( uploadedImage, user.getSite() ) The user wants the image displayed which adds <img src="${anUploadedImage.getUrl()}"/> but that is where I'm stuck, what can getUrl() do? The simple solution is to put it someplace and let Apache serve the file, but then I can't use the application to ensure that one user isn't modifying the URL to view other users files, which in this case is important

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