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• File being used by another process after using File.Create()

  - by Brett

  Hi All, I'm trying to detect if a file exists at runtime, if not, create it. However I'm getting a 'The process cannot access the file 'myfile.ext' because it is being used by another process.' error when I try to write to it. Any ideas how to fix it? Thanks

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• how to check a domain is alredy taken or get the information about that domian using php?

  - by coderex

  How can i write a program in php to get the domain information of an existing domain or a domain name is already taken..?? like informations using php?

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• How can I save shell output to a variable in LaTeX?

  - by Frank

  I need to be able to execute a shell command through LaTeX [*] and have the resulting output available for use later on in the form of a LaTeX 'variable' (e.g., via a subsequent \newcommand command). If necessary a temporary file could be used to hold the output, although I would like to avoid this. I have been able to use \immediate\write18 to invoke a bash command before, but this was only used to write to a temporary file. [*] I realise that the -shell-escape flag must be set for this to be allowed

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• Transparent textbox when textbox GotFocussed Windows Phone 8.1?

  - by user3701923

  I need to have transparent textbox, in my WindowsPhone 8.1 Runtime application. I made Background="Transparent" to the textbox, so it is transparent when it is loaded. But on focus, background color changed to white. I write the following code, to make it transparent. But it doesn't run.! <TextBox Background="Transparent" GotFocus="titleBox_GotFocus" /> C# private void titleBox_GotFocus(object sender, RoutedEventArgs e) { titleBox.Background = new SolidColorBrush(Colors.Transparent); }

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• I'm writing a game and would like a console, is it possible to dump javascript's console to a div in

  - by RobertWHurst

  I'm writing a game an I've got a console for developers to interact with javascript methods in the game. I have a problem though, I can figure out how to drop javascript errors to the console. is there anyway to write errors to a div or HTML element?

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• Tortoise SVN : Setting different permissions for sub folders

  - by shadowme

  (I am newbie to tortoise SVN) I have 2 folders in my tortoise SVN. Each need a different set of authorization (I do not want people who have access to the first folder to have read / write access to the second folder). How can I accomplish it? I noticed that all permissions are defined in a file in the root level.

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• RoR - Associations into practise - forms (View)

  - by NicoJuicy

  I'm learning Ruby on Rails. I'm using some associations (has_many :through, ...) But i'm having some problems with it when i'm combining my views. How exactly do i combine these nested forms? Can i do this with partial forms and where do i have to write extra code for this? I have seen examples only use the "view" and others also edit the controller.... An example would be very nice :-)

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• Trying to provide a global logging function

  - by Gekitsuu

  I typically write my scripts with a structure like s #!/usr/bin/python import stuff def do_things(): print "FOO" def main(): do_things() if __name__ == "__main__": main() The problem I have is I'd like to have a logging function that is defined globally and I"m not really sure how to do this. I tried a decorator function but if I define it in main I can't call it from other functions in the script. It seems like something that should be easy to do but not something I have experience with.

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• how do i specify connection parameters on the command line to run mysql in batch mode?

  - by hmak

  I need to be able to write a script to automatically connect mysql in batch mode so that I can run some .sql files. I tried to enter the following at the prompt: ./mysql -u root -p mypassword but I keep getting a "Enter password: " prompt. What am I doing incorrectly? Thanks.

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• many to many relationship between two tables

  - by vasu

  I want perfect create query for many to many relationship between two tables in oracle? write which is best query?

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• Using macro to check null values

  - by poliron

  My C code contains many functions with pointers to different structs as parameters which shouldn't be NULL pointers. To make my code more readable, I decided to replace this code: if(arg1==NULL || arg2==NULL || arg3==NULL...) { return SOME_ERROR; } With that macro: NULL_CHECK(arg1,arg2,...) How should I write it, if the number of args is unknown and they can point to different structs?(I work in C99)

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• Does the Dalvik file format (*.dx) support more instructions than a Java .class file?

  - by soc

  Is there anything the Dalvik VM supports (in terms of bytecode) which is not used currently because the .class files don't have it? As an example, if people would write their own Source-to-DX converter for their functional language XYZ, would they be able to implement e. g. full tail calls although the .class file does support tail calls only under certain circumstances?

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• how do I iterate through multiple properties in jsp

  - by David

  I'm trying to iterate through a properties file which contains a list of keys like: message.p1 message.p2 message.p3 I don't know how many properties will be in the file, so I want to display any that are present. Is there a standard tag like <fmt:message> that can handle this, or do I need to write some jsp script to handle the loop?

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• What exactly are those data types int 16, int 32 and int 64 on the iPhone, in Core Data?

  - by mystify

  The Xcode data modeler shows me those three different int data types. When I would write code, which data types do these really correspond to on the iPhone? Are they all simply NSInteger, wrapped in an NSNumber? As far as I see it, NSNumber only differentiates between int an NSInteger... so I guess those three end up beeing pretty much the same?

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• Where can I have an "official" documentation about the java class Secure Random Implementation ?

  - by Daniel kolos

  Hello, I'm finding informations about this CSPNRG online. I founded only one article from you on the javamex site, which told about the implementation of this class. So I'm asking you to lead me to some documentation on this. I am expecting a kind of fiable source... Thank you for eanswering me Sorry for my bad english, I'm french and not used to write in english

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• How do I add some inserts in rails migration?

  - by xaver23

  Hi After creating a table (by migration), I want to insert some entries directly. How must I write a migration for this? thanks

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• what is the best method or tool to scrape web sites ?

  - by user63898

  Hello all i need to scrape (with approval) web sites before I start to write my own what is the best tool/way to scrape web sites, which is both fast (multithreaded) and easy to learn?

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• Syntax highlighting on iPhone Text-Editor

  - by pbcoder

  Hi, I want to write a simple text editor for iPhone with syntax highlighting support for c,c++. But the problem is, I dont't know how to do this. The first solution I was thinking about, was to go over the text and highlight keywords when the value of the UITextView has changed, but I think that if I got more than 1000lines of code that doesn't work very well. Thanks for help!

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• Symlink in windows XP

  - by willson

  Hi, there. The question is how to make the similar thing like symlink in windows like in *nix. It's really hard to write whole path to the file in console (even using [tab], it's not the way if you need to change language). Adding everything in PATH is tiring too. It'll be great to make a symlink running one command. Actually I'm looking for console app.

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• a function that returns a random number that is a multiple of 3 between 0 and the function's non-negative integer parameter n

  - by martin

  I need to write a function called multipleOf3 that returns a random number that is a multiple of 3 between 0 and the function's non-negative integer parameter n and here is the result i want [Note: No number returned can be greater than the value of the parameter n] Examples: multipleOf3(0) -- 0 multipleOf3(1) -- 0 multipleOf3(2) -- 0 multipleOf3(3) -- 0 or 3 multipleOf3(20) -- 0 or 3 or 6 or 9 or 12 or 15 or 18

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• time like facebook style(..min ago)

  - by kenom

  Does anyone have a idea,how to use date/time function to write time like facebook/twitter style: e.g. 5 min ago e.g. 10 hours ago. Does anyone have tutorial for asp.net..

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• iPhone + Android App to view Blog

  - by Pratik

  What would be the best way to write an app for the iPhone OS and the Android OS that allows access to a web blog (posted on blogspot.com)? Are there ways to manipulate the incoming data from the website to fit the UI of the phones, or will I have to re-do a lot of the blogs? Any help would be nice! And thank you in advance!

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• ODBC: how to handle Booleans?

  - by mawg

  Disclaimer: I am a n00b. It seems like ODBC does not support a BOOLEAN type? Is this true? If so, what's the standard kludgearound? Edit: I am using ADO with Delphi on Windows to write the data, but PHP 5 to read it back.

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• How do I add a record only if it doesn't already exist in SQL Server?

  - by menacheb

  Hi, I have a project in C# with a Sql-server Database. In that database I have a table named 'Process' and columns named 'process_name', 'Full_Name' and 'Version' (all of the type:nvarchar(50)). I want to write a query wich will add the new process, only if it doesn't exist in the table yet. How can I do that? Many thanks,

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• Get scanner to include but ignore quoted text?

  - by user1086516

  Basically my problem is this, I need to parse text where , is the delimiter but anything in " " quotes should not be checked for a delimiter. Is this what the Scanner.skip method is for? I would check it myself but I don't understand how to write a regex pattern in java where the token is something in between two " ". I also want to include any quoted text in the proper token which was delimited by the valid ,.

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