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  • Missing $ on loop variable

    - by k0re
    Hi, 1 #!/usr/bin/perl 2 use strict; 3 use warnings; 4 5 my @array = qw[a b c]; 6 foreach my($a,$b,$c) (@array) { 7 print "$a , $b , $c\n"; 8 } I receive following error: Missing $ on loop variable What is wrong? I am using: perl v5.10.1 (*) built for x86_64-linux-thread-multi

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  • Replace for loop with formula

    - by hamax
    I have this loop that runs in O(end - start) and I would like to replace it with something O(1). If "width" wouldn't be decreasing, it would be pretty simple. for (int i = start; i <= end; i++, width--) if (i % 3 > 0) // 1 or 2, but not 0 z += width; start, end and width have positive values

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  • Unset an array element inside a foreach loop

    - by Summer
    I'm accessing an array by reference inside a foreach loop, but the unset() function doesn't seem to be working: foreach ( $this->result['list'] as &$row ) { if ($this_row_is_boring) { unset($row); } } print_r($this->result['list']); // Includes rows I thought I unset Ideas? Thanks!

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  • Whats wrong with this while loop?

    - by David
    boolean r = false ; int s = 0 ; while (r == false) ; { s = getInt() ; if (!(s>=0 && s<=2)) System.out.println ("try again not a valid response") ; else r = true ; } The text never displays itself even when a 3 or a 123 is entered and the loop never terminates. Whats wrong here?

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  • Trimming lists using a loop

    - by Vishal
    I have few lists like: a = [1, 2, 3, 4, 5] b = [4, 6, 5, 9, 2] c = [4, 7, 9, 1, 2] I want to trim all of them using a loop, instead of doing as below: a[-2:] b[-2:] c[-2:] I tried but got confused with pass by value or pass by reference fundamentals, looked into other questions as well but no help. Thanks

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  • Getting a loop when using link_to :back

    - by onildo
    I have this structure for the table course: Search page - Result Page - Edit Page - Show page When i go from result page to a specific course edit page, i edit it, and end up on the show page, but when i hit back, i get a loop from show to edit, and back to show and so on. I want the edit page to back to the result page if it came from there. im using this on both: <%= link_to "Back", :back %>

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  • java Thread class run() method

    - by JavaUser
    Hi, Thread class has run method to implement the business logic that could be executed in parallel.But I want implement different business logics in a single run method and to run simultaneously.How to get this feature. thanks

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  • NPS wont run or install error code 0x80070643

    - by Anthony Wray
    attempt to install network policy server failed with error code 0x80070643 fatal error during installation. The sbs server ran an update on friday and since then NPS has not worked, I have checked permissions on system32\IAS and the builtin OU but still cannot run NPS. My last attempt to removed and reinstall has now left the machine unable to install NPS at all! Has anyone seen this or have a direction to suggest? Other google's have shown people haven't resolved it!

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  • Apache's httpd.exe won't run on my Windows 7

    - by alexus
    I went to apache.org and downloaded httpd server for my Windows7, after successful install, I try to run it and I get following message: Problem signature: Problem Event Name: APPCRASH Application Name: httpd.exe Application Version: 2.2.15.0 Application Timestamp: 4b8fed95 Fault Module Name: php5ts.dll Fault Module Version: 5.3.2.0 Fault Module Timestamp: 4b8ebac2 Exception Code: c0000005 Exception Offset: 000e6d2c OS Version: 6.1.7600.2.0.0.256.1 Locale ID: 1033 Additional Information 1: 0a9e Additional Information 2: 0a9e372d3b4ad19135b953a78882e789 Additional Information 3: 0a9e Additional Information 4: 0a9e372d3b4ad19135b953a78882e789 I’m confused, what am I doing wrong, and/or how do I fix it? Thanks in advance!

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  • Run Dropbox as a service on Fedora 15

    - by Varun Madiath
    I installed the dropbox using the text based install method described here. However I'd now like dropbox to start automatically when the machine starts up, and start syncing the files. I'll need dropbox to run as the dropbox user, from the dropbox users home directory. I think the following command will launch dropbox as the dropbox user, in the dropbox users home directory, would you correct me if this doesn't work? LANG=en_US.UTF-8 sudo -H -u dropbox ./.dropbox-dist/dropbox end script

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  • way to access Win networked folder on Mac like one can with Run box on Win

    - by Nik
    I was wondering if there is a way to access a deeply nested shared networked Windows folder on Mac (Lion) like you can on windows with the Run box. say I know the folder I want is on the computer Homer-PC, the G drive, the folder ABC/234/CDE on Windows I can Win+R then \Homer-PC\G\ABC\234\CDE return and it should open that folder directly, Is there something similar on the Mac? Or is there some tiny apps that I can use to do that? Thank You

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  • osx run app on every file in folder

    - by Charles
    I want to use jsmin to minify every js file in a directory, and js files in subfolders as well. I would want to use the compiled vers of jsmin found here: http://www.ejeliot.com/blog/73 What is the osx equivalent of a batch file? Looking for something like this for OSX: http://superuser.com/questions/116417/run-a-batch-command-for-every-file-in-a-directory Thanks.

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  • Textwrangler -- Trying to run a xmllint command

    - by bobber205
    When I run: #!/bin/sh xmllint --c14n "$*" | XMLLINT_INDENT=$'\t' xmllint --encode UTF-8 --format - I get /private/var/folders/Aj/Aj9m3c8JGnmkccHY2o3lKE+++TI/Cleanup At Startup/Tidy XML.sh.S:1: parser error : Start tag expected, '<' not found question_autoSwitch ^ -:1: parser error : Document is empty ^ -:1: parser error : Start tag expected, '<' not found Something is very wrong. :P Any ideas?

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  • What executable files can run on windows

    - by kelton52
    What kind of executable files can run on windows xp-7? I know of PE, but I don't know if there are any others. I'm also interested in knowing different kinds of interpretive executables, like a java program and such. Thanks. I'd also like to know what extensions they use, like PE uses .exe and .dll.

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  • Cron - run task every 90 min.

    - by Cory J
    Trying to adjust a cron job to run every 90 min. It was previously running every 20 min, which was a simple cron job: */20 * * * * whatever To change it to every 90, it seems like I need to split it into 2 jobs, I've done this: 0 0,3,6,9 * * * whatever 30 1,4,7,10 * * * whatever Is this right? The job doesn't seem to kick off.

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