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• c# update xml file

  - by Pila

  I want to replace a xml node that is not a child of the root element. how can I do it - not in .Net 3.5? I don't know the exact path to the node I want to replace, I get the node by XPath query like : XmlElement root = doc.DocumentElement; oldItem = root.SelectSingleNode("//Node1[@name='aaa']//Node2[Item='bbb']/Value"); how can I replace this olditem?

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• How to prevent image view loading while scrollong in iphone?

  - by Warrior

  I am new to iphone development.i want to check whether the image is loaded in the image view and if the image view is nil then load the image.i want to implement this in cell for row at index path so that i can increase the scrolling performance of the table , How can i do that ? please help me out.Thanks.

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• Is there any way to use VC++ 2010 without including stdafx.h?

  - by Daziplqa

  Hi all, I've successfully installed M$ VC2010 and start writing simple programs using it. I am very annoyed from the #include<stdafx.h>, So is there any way to compile and run programs without it???

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• How can I find the user's home dir in a cross platform manner, using C++?

  - by Macha

  How can I find the user's home directory in a cross platform manner in C++? i.e. /home/user in Linux, C:\Users\user\ on Windows Vista, C:\Documents And Settings\user\ on Windows XP, and whatever it is that Macs use. (I think it's /User/user) Basically, what I'm looking for is a C++ way of doing this (example in python) os.path.expanduser("~")

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• cstdio,cstring,cmath ... recommended in c++?

  - by ajay

  Hi, Is it recommended to use cstdio,cstring,cmath in c++? I was writing a program that needed pow , strlen and sprintf ... for that the only way I could do it was to include these 3 headers. Is there a better C++ way to do it? Thanks

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• Is that possible to have images, CSS and scripts in a Zend Framework module ?

  - by Matthieu

  In my Zend Framework modules, I have views that require specific scripts, CSS and images. Is that possible to include them in the module in a way that I don't have to copy them in each project that uses the module ? (because the "public/" folder is not part of the module, but specific to each application) If not, how can I do ? Thanks !

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• How can I parse a URL using JSP/JSTL?

  - by codeninja

  I want to capture the base path of a given url http://mydomain.com/mypath/coolpath/favoritepath/file.htm so basically i just want this: /mypath/coolpath/favoritepath/ Any ideas how to do this without using straight Java?

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• folder deleting not working

  - by user1150440

  If System.IO.Directory.Exists(HttpContext.Current.Server.MapPath(Server.MapPath("images/TravelogueGallery/" & getMaxID()))) Then System.IO.Directory.Delete(HttpContext.Current.Server.MapPath("images/TravelogueGallery/" & getMaxID()), True) End If I am using the above code snippet to delete a directory but i get this error "'G:\Projects\Latest\LTCIndia 05-04-12 1415\images\TravelogueGallery\19' is not a valid virtual path. " Whats wrong with the code?

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• How do I make a custom ActionLink?

  - by John

  I need to include an image within the <a> tag of an ActionLink. What is the best way to do this? The final rendered link should look like this, <a href="/Home/Test"><img src="test.jpg" />Test</a>

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• Why does this generate a segmentation fault?

  - by avd

  #include<stdio.h> void foo(int **arr) { arr[1][1]++; } main() { int arr[20][20]; printf("%d\n",arr[1][1]); foo((int**)arr); printf("%d\n",arr[1][1]); }

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• How do I combine two rows of same part, but add quantities?

  - by Tom

  I have table "PICKITEM" PARTID QTY A 1 A 3 B 11 C 8 D 5 D 3 I need a select statement that will return one line for like PARTIDs and add the qty field to together, yet also return the rest of the lines in the table as is PARTID QTY A 4 B 11 C 8 D 8 Probably a newb question, but I am new to SQL syntax and queries. Any help in getting me on the right path would be appreciated!

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• Source code repository portal

  - by gmoorevt

  I am looking for a "portal" for wrapping our large Subversion repositories similar to GitHub. Does anyone know of any options? Features we are looking for are; home page for projects that include wiki bug tracking etc. This would be for an internal deployment.

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• Type casting int into double C++

  - by user1705380

  I am new to programming and this might be an obvious question, though i cannot for life of me figure out why my program is not returning as a double. I am suppose to write a stocks program that takes in shares of stock, whole dollar portion of price and the fraction portion. And the fraction portion is to be inputted as two int values, and include a function definition with 3 int values.The function returns the price as a double. #include <iostream> using namespace std; int price(int, int, int); int main() { int dollars, numerator, denominator, price1, shares; char ans; do { cout<<"Enter the stock price and the number of shares.\n"; cout<<"Enter the price and integers: Dollars, numerator, denominator\n"; cin>>dollars>>numerator>>denominator; cout<<"Enter the number of shares held\n"; cin>>shares; cout<<shares; price1 = price(dollars,numerator,denominator); cout<<" shares of stock with market price of "; cout<< dollars << " " << numerator<<'/'<<denominator<<endl; cout<<"have a value of " << shares * price1<<endl; cout<<"Enter either Y/y to continue"; cin>>ans; }while (ans == 'Y' || ans == 'y'); system("pause"); return 0; } int price(int dollars, int numerator, int denominator) { return dollars + numerator/static_cast<double>(denominator); }

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• How to use functions in a .a (static library) file in C?

  - by Mohit Deshpande

  I have a static library project in Eclipse that was compiled into a .a file. So now how would I use the functions and constants in that library? Would I just put in into my includes: #include "mylib.a"

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• java/swing: font size selection + rendering

  - by Jason S

  I want to create and fill/stroke a path that consists of an outer boundary which is a square of side d and an inner boundary that is the outline of any of the capital letters. How can I do this? (challenges = creating a mask from a font, and figuring out the right size/position to use)

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• Can a trait state if a C++ class has a default constructor?

  - by Vicente Botet Escriba

  Traits classes can be defined to check if a C++ class has a member variable, function or a type (see here). Curiously, the ConceptTraits do not include traits to check if a C++ class defines a default constructor or given constructor? Can traits be used to check the constructor presence? If yes, how? If not, why it is not possible?

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• Determine HTML page that called a function in an external js file

  - by UICodes

  Is it possible to determine this at runtime? contents of external.js: function x() { //can i get the path/name of the html file that included this js file? //which is test.html } contents of test.html script src="external.js"

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• Calling to_xml on an Array of ROXML objects results in an empty collection

  - by findchris

  Hi there. I have a ROXML object that looks like: class Activity include ROXML xml_accessor :id end If I have an array of these objects and call .to_xml on the array, I receive an empty xml collection: "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<activities type=\"array\">\n</activities>\n" Any idea why or how to fix this? I'm running Rails 2.3.5 with the newest version of ROXML. Thanks

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• Silverlight create and execute file server-side

  - by immuner

  In my app i have the option of viewing a file that opens a window application (google earth). In order to do that i wish to create a custom file server-side under a certain relative path (eg. "//Files") and then tell the server to execute it. How can i do this? Thank you

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• How do I use PHP to grab the name of the file?

  - by Sam

  Hi, what I want to do is PHP to look at the url and just grab the name of the file, without me needing to enter a path or anything (which would be dynamic anyway). E.G. http://google.com/info/hello.php, I want to get the 'hello' bit. Help? Thanks.

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• Handling macro redefinition without modifying .h files ... C / C++ language

  - by user310119

  Background: Let assume that I have two header files a.h and b.h. a.h contains: #define VAR 1 b.h contains: #define VAR 2 Note: The name of both of the macro is same. Let say I have some file myFile.c which includes both of the header files i.e. a.h and b.h. When I try to access VAR, I get a redefinition error of VAR. In order to resolve this problem, I inserted #ifndef VAR statement in both a.h and b.h files to prevent this error. a.h file becomes #ifndef VAR #define VAR 1 #endif b.h file becomes #ifndef VAR #define VAR 2 #endif Note: The header file can contain multiple macros, not just one macro. Problem: Let's assume that a.h and b.h files are obtained from third party library. These files don't contain #ifndef VAR statement. I am not allowed to change their header files. Can I resolve macro 'VAR' redefinition error in myFile.c or myFile.cpp file which uses VAR macro? I know I #undef VAR can be used to undefine a macro VAR. How can I selectively include VAR later in my program? i.e. on line 10 of myFile.c code I should be able to refer to VAR definition from a.h file, on line 15 of my code I should be able to refer to VAR from b.h file and on line 18 again I should be able to refer to VAR from a.h file. In short, am I able to do macro polymorphism ? Given a name of header file, it should refer to macro definition present in that file. I thought of using namespace trick to resolve an issue. Define first header file in namespace first and second header file in namespace second. I tried defining two namespaces. First namespace contains #include a.h and second namespace contains b.h. However, namespace trick does not work with macro. When I tried to access firstns::VAR, compiler reports an error message. Can you please suggest some way?

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• How to fix the open_basedir restriction error?

  - by streetparade

  Hy I have a script called dataface, on a shared host it outputs all the time this warning Warning: file_exists() [function.file-exists]: open_basedir restriction in effect. File(/usr/local/lib/php/Dataface/FormTool/text.php) is not within the allowed path(s): (/home/:/usr/lib/php:/tmp) in /home/a4385243/public_html/dataface/Dataface/FormTool.php on line 654 How can i fix this ?

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• Boost::binary<> [c++][Boost]

  - by atch

  Hi, Is there anything in boost libraries like binary? For example I would like to write: binary<10101> a; I'm ashamed to admit that I've tried to find it (Google, Boost) but no results. They're mention something about binary_int< but I couldn't find neither if it is available nor what header file shall I include; Thanks for help.

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• How to get the i get the volume GUID

  - by new

  Dear all, I am using win32 api with C++. I would like to know how I can get the volume GUID using a "device path". My device looks like this: \\?\usb#vid_04f2&pid_0111#5&39fe81e&0&2#{a5dcbf10-6530-11d2-901f-00c04fb951ed} Thanks.

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• Should the function or the caller be resonsible for input validation?

  - by haudenschilt

  I'm doing a security audit on a fairly large php application and was wondering where I should include my user-input validation. Should I validate the data, then send the clean data off to the back-end functions or should I rely on each function to do it's own validation? Or even both? Is there any standard or best-practice for this sort of thing? Currently the app does both inconsistently and I'll like to make things more consistent.

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