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• double.IsNan - What is the compiler doing here

  - by ChloeRadshaw

  Ok - I am being a bit geeky but girls can be geeks to When we do something like double.isNan what exactly is happening. If double was a class I would understand it, but double is a struct and is a value type so how does C# actually call a static method on a value type?

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• GridBoundColumn OnTextChanged event wiring

  - by Kobojunkie

  I have a GridBoundColumn in my RadGrid that should accept Zip input and based on input auto populates the State and City fields on my form. I would like to wire this up in such a way as to call a webservice on the back end or maybe repost the form only when the GridBoundColumn is changed. How do I wire this up please? Thanks in Advance

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• Implementing long running search in ASP.NET

  - by Gursharn Singh

  I am building a search page in asp.net 3.5. Search takes a bit of time (few seconds to few minutes). Current I use AsyncMethodCaller to call Search method. AsyncMethodCaller method stores search results in Session. I user Ajax timer to check if Search method finished and then display results. What would be the best way to implement this scenario?

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• An object reference is required for the non-static field, method, or property using global variable

  - by Jose Cardama

  Hello Iam working in a global int in which a variable will be used later. I've made the global variable like this: class Foo { public static int stream = Bass.BASS_StreamCreateFile(path1.Text, 0, 0, BASSFlag.BASS_DEFAULT); } which will be later called like this: Foo.stream and it can also contain more then 1 stream for example stream20,30,etc... The problem here is that it returns me this error: "An object reference is required for the non-static field, method, or property" where I call the text in path1.Text How do I fix this?

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• Underlining RichTextArea content by default in Silverlight 4

  - by Rahul N

  I'm uisng a RichTextArea to display my html content in SL 4,I want to underline the content displayed by the control ( without modifying the html) and also attach an event of Onclick on the text . I tried different options i.e using RichTextArea in the content template of a Hyperlinkbutton but as the content of RichTextArea cannot be set directly, this was ruled out. Any suggestions ?

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• How do I write a bash script to restart a process if it dies?

  - by Tom

  I have a python script that'll be checking a queue and performing an action on each item: # checkqueue.py while True: check_queue() do_something() How do I write a bash script that will check if it's running, and if not, start it. Roughly the following pseudo code (or maybe it should do something like ps | grep?): # keepalivescript.sh if processidfile exists: if processid is running: exit, all ok run checkqueue.py write processid to processidfile I'll call that from a crontab: # crontab */5 * * * * /path/to/keepalivescript.sh Thanks in advance.

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• How to return a value into webpage

  Hello: I have a simple webpage that displays the credit balance for calling cards. So far without any problems, with HTML, PHP and mysql, I was able to retrieve the balance from a data base. But I have to display the result in ANOTHER PAGE, wich looks akward because the page must reload. Can I just load this value into a pre-drawed field under the input fields that collect the data from the customer? Such as : Account Number: 134556 PIN: * |send| Balance is: $12.36 Thanks in advanced

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• How UPDATE and SELECT at the same time

  - by xRobot

  I need to update some rows of the tables and then display these rows. Is there a way to do this with one single query and avoid this 2 query ? : UPDATE table SET foo=1 WHERE boo=2 SELECT * from table WHERE ( foo=1 ) AND ( boo=2 )

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• How to include a dynamic page contents into a template ?

  - by Ankit

  Hi All, I have to include a dynamic page content into my template, Say I have a left panel which gets the data dynamically through a view. Now, I have to include this left panel into all my pages but I do not want to duplicate the code for all the pages. Is there any way, I can write a single script and include it in all my templates to display the left panel in all my pages? Thanks in advance.

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• What exactly does GCC -fobjc-direct-dispatch option?

  - by Eonil

  GCC manual says: -fobjc-direct-dispatch Allow fast jumps to the message dispatcher. On Darwin this is accomplished via the comm page. Can I assume this flag eliminates dynamic dispatch? How does it works? I believe it should be fast as C function call if it linked directly.

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• jQuery javascript dynamic menus with mbMenu plugin

  - by lafoaug

  Im using the MbMenu jQuery plugin. http://plugins.jquery.com/project/mbMenu http://pupunzi.open-lab.com/2009/01/18/mbmenu/ I am probably being ridiculously stupid but I wish to have multiple menus on the same page, but not load them from external files (the html structure of the menu already exists on the page). To me the only place you define what menu is linked to the element you call buildMenu on is the 'template' construction which is a external file. Thanks.

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• How to generate a random BigInteger value in Java?

  - by Bill the Lizard

  I need to generate arbitrarily large random integers in the range 0 (inclusive) to n (exclusive). My initial thought was to call nextDouble and multiply by n, but once n gets to be larger than 253, the results would no longer be uniformly distributed. BigInteger has the following constructor available: public BigInteger(int numBits, Random rnd) Constructs a randomly generated BigInteger, uniformly distributed over the range 0 to (2numBits - 1), inclusive. How can this be used to get a random value in the range 0 - n, where n is not a power of 2?

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• echo-ing EURO symbol

  - by rag

  i have tried to copy euro symbol from Wikipedia...and echo it (in my parent page),at that time it is working.but when i replace the same html content using jquery(used same symbol to echo in the other page).it is not displaying.why is it so..(or is der any way to display the same thing using html)?

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• What technology should i choose for this kind of an application?

  - by Pandiya Chendur

  One of my client has asked me an application Telephone answering machine which is exactly like customer care voice application (ie) he is maintaining a college, parents of students will call to a college phone no and they will be asked to enter student roll/reg no and they can hear that student attendence percentage,mark etc.... Is it possible? If so, How can i pass a student detail to that voice recorded.... I dont what kind of technology can be used to make this application possible...

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• string problems, tuple strings.

  - by suresh

  a tuple representing starting points for the first substring, a tuple representing starting points for the second substring, and the length of the first substring. The function should return a tuple of all members (call it n) of the first tuple for which there is an element in the second tuple n+m+1 = k, where m is the length of the first substring. Complete the definition def constrainedMatchPair(firstMatch,secondMatch,length):

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• Creating Delphi Objects at runtime based on class type

  - by Sandeep

  Is it possible to create objects at runtime based on it's type by calling a method. What I am trying to achieve is var lForm1 : TForm; lForm2 : TForm; begin CreateObjects([lForm1, lForm2]); // After this call I have the variables initialized and I can use them. end;

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• html <input type="file"... check filesize with flash

  - by cometta

  may i know how to use javascript onChange on <input type="file"... so that when user selected files, onchange will call flash to return files size and decide what to do next 2nd. how to use javascript to exclude this check,if browser doesnt have flash feature

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• I want to use sed to replace every occurrence of /dir with $dir (replace / with $) in every script

  - by gm

  use sed to replace every occurrence of /dir with $dir (replace / with $) in every script in a directory. sed "s#/dir#$dir#g" The $ keeps being interpreted as a function or variable call. Is there a way around this? thanks

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• How to get HTML5 canvas text to show html entity?

  - by mrollinsiv

  I'm parsing an xml file that stores image/caption data both of which I need to display on my canvas. However occasionally there's an entity in the file and when drawing the text to the canvas it interprets it as flat text. How can i get &copy; to show up as © on the canvas? Is this even possible, or does anyone know of a good work around?

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• Get date from Slideshare with jQuery , API feed

  - by Alexander Corotchi

  Hi, Can somebody help me how can I configure jquery to GET data from This URL http://www.slideshare.net/corotchi I've found the Slideshare API documentation here : http://www.slideshare.net/developers/documentation Can somebody help me to make a call an to get the data !! Thanks !

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• A single button should be used in all the forms.

  - by mugamath

  i need to use a single button for all forms in a vb.net project. The single button should be called in the forms to perform operations. For eg., In a form i need to save, update the records. When i call the button, save and update buttons should be appeared at runtime using the single button. guide me....

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• how does Enumerable#cycle work? (ruby)

  - by Radek

  looper = (0..3).cycle 20.times { puts looper.next } can I somehow find the next of 3? I mean if I can get .next of any particular element at any given time. Not just display loop that starts with the first element. UPDATE Of course I went though ruby doc before posting my question. But I did not find answer there ...

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• How to open android calculator buit-in-application

  - by Jobayer

  Hello Developers Thanks to every on to support android development forum. I want to make a application where when I click a button in my application then open android built-in Calculator application. That means I want to call calculator apk file from my application. Is it possible? Advanced thanks to reply

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• Django modelform ForeignKey List

  - by Harry

  How do you get each item in the ForeignKey field in a list, for example: class Delegate(models.Model): excursion = models.ForeignKey(Excursion, limit_choices_to = {'is_activity': False}, related_name='excursion', null=True, blank=True) Template: {% for object in formset.excursion_set.all %} {{ object.lable }} etc {% endfor %} My reason is that I don't want the options to display as a dropdown, but in a custom way that I will style etc.

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• Visual C++ Enable Console

  - by Attic

  I created an Empty Project in Visual C++, but now I need the Console to display debug output. How can I enable the Console without recreating the project or show the output in the VS output window? Thanks in advance Attic

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