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Articles indexed Saturday March 13 2010

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  • Cloning items in a listbox c#

    - by Jenny
    I have 2 list boxes and want to be able to copy selected items from one to the other how ever many times I want. Ive managed to do this but I have buttons on the 2nd list box that allow me to go up and down..Now when theres to items in the second list box that are the same (e.g "gills" and "gills") it doesnt behave normally and crashes. Is there a way in which I can get them to act as seperate items in the 2nd listbox? code private void buttonUp_Click(object sender, EventArgs e) { object selected = listBox2.SelectedItem; int index = list2.Items.IndexOf(selected); listBox2.Items.Remove(selected); listBox2.Items.Insert(index - 1, selected); listBox2.SetSelected(index - 1, true); } private void buttonAdd_Click(object sender, EventArgs e) { DataRowView selected = (DataRowView)listBox1.SelectedItem; string item = selected["title"].ToString(); listBox2.Items.Add(item); } It works fine when i havnt got duplicates but when i do they just jump around randomly when i press up/down. (ive not included down as its pretty much the same as up)

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  • Whats wrong with my CSS?

    - by William
    I'm trying to get my name and trip input fields to line, but they're all over the place. http://prime.programming-designs.com/test_forum/viewboard.php?board=0 #formdiv{ margin: auto; text-align: left; width: 30%; } .fielddiv1{ background-color: #222222; border: 2px solid #333333; vertical-align: middle; width: 45%; float: left; } .fielddiv2{ background-color: #222222; border: 2px solid #333333; vertical-align: middle; width: 100%; } .fieldtext{ width: 100%; background-color: #333333; }

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  • Unix shell script with Iseries command

    - by user293058
    I am trying to ftp a file from unix to as400 and executing iseries command in the script. ftp is working fine,I am getting an error in jobd command as HOST=KCBNSXDD.svr.us.bank.net USER=test PASS=1234 #This is the password for the FTP user. ftp -env $HOST << EOF # Call 2. Here the login credentials are supplied by calling the variables. user $USER $PASS # Call 3. Here you will change to the directory where you want to put or get cd "\$QARCVBEN" # Call4. Here you will tell FTP to put or get the file. #Ebcdic #Mode b quote site crtccsid *user quote site crtccsid *sysval put prod.txt quote rcmd sbmjob cmd(call pgm(pmtiprcc0) parm('prod' 'DEV')) job(\$pmtiprcc) jobd(orderbatch) 550-Error occurred on command SBMJOB cmd(call pgm(pmtiprcc0)) job($pmtiprcc) jobd(orderbatch). 550 Errors occurred on SBMJOB command.. 221 QUIT subcommand received.

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  • Is it possible to use re2 from Python?

    - by flow
    i just discovered http://code.google.com/p/re2, a promising library that uses a long-neglected way (Thompson NFA) to implement a regular expression engine that can be orders of magnitudes faster than the available engines of awk, Perl, or Python. so i downloaded the code and did the usual sudo make install thing. however, that action had seemingly done little more than adding /usr/local/include/re2/re2.h to my system. there seemed to be some `*.a file in addition, but then what is it with this *.a extension? i would like to use re2 from Python (preferrably Python 3.1) and was excited to see files like make_unicode_groups.py in the distro (maybe just used during the build process?). those however were not deployed on my machine. how can i use re2 from Python?

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  • floating point hex octal binary

    - by workinprogress
    Hi, I am working on a calculator that allows you to perform calculations past the decimal point in octal, hexadecimal, binary, and of course decimal. I am having trouble though finding a way to convert floating point decimal numbers to floating point hexadecimal, octal, binary and vice versa. The plan is to do all the math in decimal and then convert the result into the appropriate number system. Any help, ideas or examples would be appreciated. Thanks!

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  • SharePoint interview questions

    - by ashwnacharya
    Let's have a list of some good interview questions for SharePoint developers. Please provide one question per entry, and if possible, the answers. Also, please feel free to suggest corrections if the provided answers are wrong. I will go first: Q: How does SharePoint store pages? A: How-to-locate-sharepoint-document-library-source-page-on-the-server?

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  • msysgit - sh.exe - fork: Permission denied - Vista 64 bit

    - by Steve
    I installed msysgit on other Windows machines with no problems. On this Vista 64 bit Ultimate box, I installed the 3 most recent versions of msysgit. On all three installs, when I do a "git bash here", I get exactly this on the command window: sh.exe": fork: Permission denied sh.exe"-3.1$ NThe git command doesn't work. I get the same permission denied message. Any clues as to how to fix this?

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  • Comparing floating point values

    - by Sauron
    I just read a statement about the floating point value comparison Floating point values shall not be compared using either the == or != operators. Most floating point values have no exact binary representation and have a limited precision. If so what is the best method for comparing two floating point values?

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  • Is it possible to limit outside connections to a subdomain with .htaccess or similar?

    - by digidave0205
    I host a web application. This application serves static html pages that are refreshed at various intervals. Some as often as every 30 secs. At this time I have about 300 unique pages that are accessed via 300 unique subdomains. Some clients have at most 50 visitors to their unique page and it refreshes every 30 secs, no problem. Other clients have up to 1000 or more visitors to their page. These clients are killing my server. There was no predefined limit upon signup but now I have to impose such a limit to remain afloat financially. I would like to define a finite number of connections allowed for each individual subdomain in my hosting account. Connections attempted out of range of this finite value would either be rejected or redirected. I have access to .htaccess and php.ini. Is something of this nature possible? Oh, I have a dedicated/managed server at 1and1.

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  • Rails 3 and RJS

    - by Denis
    Hi, I use the rails 3.0.0.beta Is there any new syntax to write RJS, here is an example def remote_create @photo = Photo.new(params[:photo]) respond_to do |format| if @photo.save # add @photo's thumbnail to last import tag format.js { render :update do |page| page.insert_html :bottom, 'polaroids' , :partial => 'polaroid', :locals => {:photo => @photo} end } else #... end end end

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  • How to locate phpmyadmin on ubuntu

    - by Chris
    Okay, I'm usually a windows user and I write quite happily there, unfortunately (or fortunately) I have installed linux on a dual boot and having installed some software I have a question... Where is it? I installed Apache, PHP, MySQL and separately phpmyadmin, Apache is up and running, I've seen my phpinfo page and MySQL is there. MySQL is telling me that there's a database for phpmyadmin, but...erm.. I can't seem to locate it. On a windows machine the directory would be in the www directory and I'd just navigate there... localhost/phpmyadmin/ but on Ubuntu I can't find it in the equivalent. I've been to /var/www/ and there's my index.html (from apache) and my phptest.php file but no phpmyadmin. There is a phpmyadmin in /lib but that only has 2 files in it. So having rambled lots, my question is, what do I have to do to be able to navigate to the phpmyadmin index page? I realise this could fall under the description of a server related question and should be posted elsewhere but as it's software on a home system some help would be appreciated. Do I need to move some files from somewhere? Help! I really don't want to have to go back to developing on Windows as I'll be deploying to a lamp system, my learning curve will be steep.

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  • How to associate document files with MS Office 2010 Beta?

    - by Semyon Perepelitsa
    I've installed MS Office 2010 Beta (OneClick technology). All apps launch from 1 program, Word for example has this link: "C:\Program Files (x86)\Common Files\microsoft shared\Virtualization Handler\CVH.EXE" "Microsoft Word 2010 (Beta) 2014006204190000" Or OneNote: "C:\Program Files (x86)\Common Files\microsoft shared\Virtualization Handler\CVH.EXE" "Microsoft OneNote 2010 (Beta) 2014006204190000" Because of that I can't associate files with Office programs in file properties, they actually associate with “Microsoft Office Client Virtualization Handler” (CVH.EXE). Anyone know another way to do that?

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  • Why does adding Crossover to my Genetic Algorithm give me worse results?

    - by MahlerFive
    I have implemented a Genetic Algorithm to solve the Traveling Salesman Problem (TSP). When I use only mutation, I find better solutions than when I add in crossover. I know that normal crossover methods do not work for TSP, so I implemented both the Ordered Crossover and the PMX Crossover methods, and both suffer from bad results. Here are the other parameters I'm using: Mutation: Single Swap Mutation or Inverted Subsequence Mutation (as described by Tiendil here) with mutation rates tested between 1% and 25%. Selection: Roulette Wheel Selection Fitness function: 1 / distance of tour Population size: Tested 100, 200, 500, I also run the GA 5 times so that I have a variety of starting populations. Stop Condition: 2500 generations With the same dataset of 26 points, I usually get results of about 500-600 distance using purely mutation with high mutation rates. When adding crossover my results are usually in the 800 distance range. The other confusing thing is that I have also implemented a very simple Hill-Climbing algorithm to solve the problem and when I run that 1000 times (faster than running the GA 5 times) I get results around 410-450 distance, and I would expect to get better results using a GA. Any ideas as to why my GA performing worse when I add crossover? And why is it performing much worse than a simple Hill-Climb algorithm which should get stuck on local maxima as it has no way of exploring once it finds a local max?

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  • getting bordering US states (php)

    - by Peter Ehrlich
    HI need to be able to select a state and be given a list of the bordering states. Does anyone have or know of code already done for this? If I have to write it myself, what would be the best way - possibly a mysql database of borders (two state columns for each row), and then select matching?

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  • Text Aligned Next To Photo in CSS

    - by PF1
    Hi Everyone: I am wondering if there is some way to align text on the right of a photo, and keep the text in that same "box" even after the image ends using HTML and CSS. A quick "diagram" of what I am attempting to accomplish is below: ------- -------- ------- -------- -Image- - Text - ------- -------- ------- -------- -------- -------- Thanks for any help!

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  • Sitewide 301 Redirect with a subset of different redirects

    - by Mike E.
    I am trying to make a sitewide 301 redirect for a site with around 400 pages but also have a subset of about 10 individual pages that don't follow the sitewide redirect and should point somewhere else. Any ideas how to format such redirect rules so the sitewide redirect doesnt conflict with the subset pages redirect? I am starting with the sitewide redirect rule as: Options +FollowSymLinks RewriteEngine on RewriteRule (.*) http://www.name.com/$1 [R=301,L]

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  • Is it possible to parse a URL into it's composite components?

    - by Paul Alexander
    I'd like to parse an incoming URL into it's component parts for some pre-processing before passing it into the standard MVC routing logic. For example given your standard route {controller}/{action}/{id} and the URL /user/show/10 Is there a way to have the Routing system return a dictionary containing controller, action and id keys with their corresponding values?

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  • Compare Database container and class container

    - by Mohit Deshpande
    I am using a SQL Server database in my current project. I was watching the MVC Storefront videos (specifically the repository pattern) and I noticed that Rob (the creator of MVC Storefront) used a class called Category and Product, instead of a database and I have notice that using LINQ-SQL or ADO.NET, that a class is generated. Is there an advantage to using a class over a database to store information? Or is it the other way around? Or are they even comparable?

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