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  • The MYSTERY SPIRAL

    - by CVS26
    Problem statement: Given a integer N, print N*N numbers in a N x N spiral Detailed problem description: http://2600hertz.wordpress.com/2010/03/20/the-mystery-spiral/ Solution: Recently posted the following code. (managed to compress it into as few as 99 lines...) //File : spiral.c // //INPUT : Size of spiral (N) //OUTPUT : Numbers printed in a N x N spiral #include <stdio.h> #include <conio.h> #include <stdlib.h> void main() { int N; clrscr(); //get input no. N printf("\nEnter size of Matrix: "); scanf("%d",&N); //Allocate reqd. memory int* matrix_ptr= (int*)malloc(N*N); //Filling the Matrix spirally int curr_val=N*N; int* curr_ptr=matrix_ptr; int curr_level=N; while(curr_level>1) { //curr_level-1 elements horizontally //from left to right for(int x=0;x<curr_level-1;x++) { *curr_ptr=curr_val; curr_val--; curr_ptr++; } //curr_level-1 elements vertically //from top to bottom for(int y=0;y<curr_level-1;y++) { *curr_ptr=curr_val; curr_val--; curr_ptr+=N; } //curr_level-1 elements horizontally //from right to left for(int z=0;z<curr_level-1;z++) { *curr_ptr=curr_val; curr_val--; curr_ptr--; } //curr_level-1 element vertically //from bottom to top for(int w=0;w<curr_level-1;w++) { *curr_ptr=curr_val; curr_val--; curr_ptr-=N; } //Next curr_ptr+=N+1; curr_level-=2; } *curr_ptr=curr_val; //routine to print the matrix printf("\n\n\n\n\n"); for( int i=0;i<N;i++) { for( int j=0;j<N;j++) { printf("%d\t",*(matrix_ptr+(i*N+j))); } printf("\n"); } getch(); } Please comment on further optimisations (if any)...

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  • MySQL Connector Linker Problem

    - by Layne
    Hey, I'm trying to compile a program with the MySQL C++ Connector but somehow I can't get the linking right. The errors I get are: mysql/lib/libmysqlcppconn.so: undefined reference to `std::ios_base::ios_base()@GLIBCPP_3.2'.... etc locations: libmysqlcppconn.so: mysql/lib/ libmysqlclient.so: /usr/lib/ I tried to follow the tutorial on mysql and some other pages but the results where the same, maybe I missed something.

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  • Do WordPress widget (or sidebar) hooks exist?

    - by Jeff
    I'm trying to filter ALL widget output through a simple filter, but can't find any hooks and was hoping to be pointed in the right direction. Or possibly my efforts are not even possible? My simple filter is something like this: function clean_widget_output( $input ) { return str_replace( array( "\t", "\n", "\r" ), '', $input ); } add_[FILTER OR ACTION]( 'need_a_hook', 'clean_widget_output', 99 ); Any ideas? I'm pretty new to PHP, but I can get around.

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  • Android: new Intent() starts new instance with android:launchMode="singleTop"

    - by Stefan Klumpp
    I have Activity A with android:launchMode="singleTop" in the manifest. If I go to Activity B, C and D there I have menu shortcuts to return to my applications root activity (A). The code looks like this: Intent myIntent = new Intent(getBaseContext(), MainActivity.class); startActivity(myIntent); However, instead of returning to the already existing instance A of my MainActivity.class it creates a new instance - it goes to onCreate() instead of onNewIntent(). This is not the expected behavior, right?

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  • useing my own db info to replace parts of a url and open in a iframe

    - by Morpheus Lucid
    print ("http://maps.google.com/maps/api/staticmap?center=");echo $City;print (",");echo $City;print (","); echo $State;print ("&zoom=14&size=500x500&maptype=roadmap&markers=color:blue|label:S|"); echo $Latitude;print (",");echo $Longitude;print ("&sensor=false")"); when page is loaded it prints right but would like to take the results from this and put into a iframe so when page loads it shows the map of the entry

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  • Resizing an image in asp.net without losing the image quality

    - by Kumar
    I am developing an ASP.NET 3.5 web application in which I am allowing my users to upload either jpeg,gif,bmp or png images. If the uploaded image dimensions are greater then 103 x 32 the I want to resize the uploaded image to 103 x 32. I have read some blog posts and articles, and have also tried some of the code samples but nothing seems to work right. Has anyone succeed in doing this?

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  • Git - git add in a gitignore directory

    - by Steve
    If my .gitignore file has tmp\ in it and I do a git add file.test from tmp, Git adds file.test to the repository. If file.test never changes, than this is as good as a one time add to the repository, right? Say for static files that I want to be in version control. You want the file in an initial clone and that's it. I assume file.test doesn't get tracked, so if there are updates, Git doesn't see it as modified?

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  • An autoformat tool to automatically insert braces around single-line clauses?

    - by Brian Deacon
    So assuming that in our work environment we've decided that the One True Faith forbids this: if (something) doSomething(); And instead we want: if (something) { doSomething(); } Is there a tool that will do that automagically? Awesomest would be to have eclipse just do it, but since we're really just recovering from one ex-employee that thought he was too pretty for coding conventions, a less-friendly tool that would do it right just once would suffice.

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  • Python3 - Deleting dirs after finishing a commando prompt

    - by user302935
    I have a python script that ends with running a program (iexpress.exe) in a dos prompt. The program that runs in dos prompt, uses a dir called workdir. After the program has finished in the dos prompt I would like python to delete the dir. I have just made a simple solution of putting a delay of 30sec: time.sleep(30) removeall(workdir) os.rmdir(workdir) But how should I do it, if python should delete the dir right after the process has finished?

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  • UITableViewCell indentation not in edit mode.

    - by Eric P.
    When you enter editing mode on a grouped-style UITableView, the cells indent to show the editing control (if you aren't sure what I mean, see this picture (editing mode) http://i.imgur.com/GJXvL.png and this (non-editing mode) http://i.imgur.com/ahKYS.png). I am trying to manually indent a cell when the tableView is not in editing mode. I tried the indentationLevel property, but that just moves the text further to the right inside the cell and doesn't actually change the cell. Any ideas?

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  • Using TTMessageController with Multiple Data Sources

    - by PF1
    Hi Everyone: I am wondering if there is some way to set a separate .datasource for each custom field in a TTMessageController. Right now I am using a TTMessageController subclass (and referencing the data source controller delegate) and simply setting the data source of the message controller to self. But I only believe this will work for one field with one set of options. Thanks for any help!

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  • ipad page curl control for customisation

    - by Mark
    I have noticed that on the iPad the google maps app has a very cool page curl control that sits in the bottom right hand corner that allows the user to change configuration settings. Is this control accessible for everyday developers, or was in built specifically for google maps on the iPad? Thanks

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  • Adobe Color Profiles/Color Spaces, how is it possible that this works?

    - by leeand00
    I'm learning about Color Profiles/Color Spaces/Monitor Color Management Profiles and I was just wondering how any of that justified considering the fact that I could throw the entire color anything off by adjusting the brightness and contrast of my monitor? Additionally there are things like lighting in the place where your monitor resides. I don't understand what makes it possible to know that the colors that you are looking at on your monitor are accurate. I really don't have any idea where to start (considering I obviously can't even get the terminology right in the first place...:-p)

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  • how to show image popup

    - by shamim
    http://www.kampyle.com/software-feedback-analytics On this url clicking on image it's become popup ,clicking on popup image show the next one .how to do it?*when popup show feedbace image on right corner does not hide.*how to do it? *I also want to know this process name?*

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  • start a process using QProcess

    - by kaycee
    i'm trying to start Microsoft word using QProcess as following: QString program = "WINWORD.EXE"; process->start(program); but nothing happens... winword.exe is on path (so when i type winword.exe word is openning up) is it the right way to do so ?

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  • How do you set the initial value for a ManyToMany field in django?

    - by mlissner
    I am using a ModelForm to create a form, and I have gotten the initial values set for every field in the form except for the one that is a ManyToMany field. I understand that I need to give it a list, but I can't get it to work. My code right now is roughly: contacts = userProfile.contact.all() initial = {'contacts': contacts} But that doesn't work. Am I missing something here?

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  • NHibernate & WCF in version 3.0

    - by ChrisKolenko
    Hi everyone :D I've just started a new project which requires a WCF service to handle a distributed environment. I'm still trying to find the best way to implement things. I want to use NHibernate, but I've seen a few different ways to address the serialization. Is this handled in 3.0? I noticed wcf_context inside the truck :D If it isn't handled could someone point me in the right direction? Thanks everyone

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