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  • How to plot image data in PERL on Windows?

    - by angaran
    I would like to plot some image binary data on a grayscale matrix-like graph with custom values on axes. I'm using Perl on a Windows machine but I can't fine the right module to do this. I'm already using GD::Graph to plot other type of data but it seems unsuitable for this specific task.

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  • does != nil check for 0x0?

    - by 4thSpace
    I have a custom class and check that a property isn't 0x0 by doing: if(myinstance.someproperty != nil){ //do something } However, even if someproperty is 0x0, I still go into the conditional. someproperty is of another class type. Is there some other way to check this?

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  • getting function's argument names

    - by Gotys
    in PHP Consider this function: function test($name, $age) {} I need to somehow extract the parameter names (for generating custom documentations automatically) so that I could do something like: get_func_argNames('test'); and it would return Array['name','age'] . Is this even possible in PHP ?

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  • drupal views block arguments

    - by slimcady
    I currently have a view (Drupal 6 using Views2) that properly aggregates a custom content type (videos) and filters them for a page display. When I create a block display, it previews the results in live preview just great, but when i go to the page expecting to see the block it doesn't appear. I'm fairly certain the argument I'm attempting to pass it fails because when I select "Display all results" for "Action to take if argument does not validate:" the block shows up on the page just fine. Any advice definitely appreciated.

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  • Configure firewalld for OpenVPN (server-bridge) in Fedora 20

    - by rsc1975
    I've installed an OpenVPN server (server-bridge) on Fedora 20, but I cannot get it to work. I'm almost sure that It's a firewall issue. I'm trying to connect from an OSX client, but I can connect (just connect to VPN server, without access to anything) before the bridge is configured in server, however once I configure the bridge interface (using this script), then I cannot connect anymore. I've configured it as server-bridge, following these HOW-TOs from Fedora and OpenVPN Ethernet-Bridge. The firewall config is explained using iptables: iptables -A INPUT -i tap0 -j ACCEPT iptables -A INPUT -i br0 -j ACCEPT iptables -A FORWARD -i br0 -j ACCEPT However, in Fedora 20, by default, It's installed firewalld, so, Can anyone tell me the equivalent commands using firewall-cmd ? I read the firewalld guide, but It's not clear to me how to achieve it (I'm a developer, no SysAdmin). I know that I can install iptables, but I want it to work with firewalld.

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  • Remote desktop into a linux machine, is this possible?

    - by fire
    I have a VPS by my host running on a linux server, and they have given me SSH access. Is it possible to remote desktop into the server, like you can on Windows, so that I can physcially click on things rather than having to use SSH commands? Surely this must be running on Fedora or Ubuntu etc. so there is some type of OS. You would probably have to install something on the servers end I suppose but just want to know if its possible and what the options are. And before you say "why not ask your host" I find superuser responses are usually much quicker :-)

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  • Prompting for user confirmation before upgrading previous version

    - by bizmark
    Using WiX, we would like to be able to uninstall a previous version if it is already installed. I am able to do this automatically based on the thread here. But how does one go about prompting the user if they actually want to uninstall the old version first, before running the RemoveExistingProducts action? ie. through a custom menu item that only launches if FindRelatedProducts returns 1, for example?

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  • How do I create a command like \title in LaTeX?

    - by Kjir
    I am writing a document class for LaTeX and I want it to be generic. In this document class I redefine the \maketitle command to display a custom title page, and here I want to display some information, like the title, author, etc., but also some other informations. Here is how I display the title: {\LARGE{\bf \@title}}\\ I'd like to create a new command that works similarly to \title or \author, how can I do that?

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  • Emacs equivalent of this Vim command to run my tests?

    - by eightbitraptor
    I'm using Emacs at the moment and experimenting with it for my Rails development and there is one thing that I do quite regularly in Vim and I'd like to know if an equivalent exists in Emacs, or an alternative workflow to achieve the behavior that I need. The command in Vim is :map ;t :!rspec --no-color %<cr> Essentially this maps a key combination to run a bash/shell command on the file represented by the current buffer (% expands to the filename at runtime, the <cr> is just a carriage return at the end to execute the command). I map all sorts of random little commands as and when I need them and I really miss the immediacy of this approach. How can I achieve something similar?

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  • How do I cut and paste between different files using emacs?

    - by JStarx
    I'm running OSX 10.6.8. Lets say I have two terminal windows open and in each window I begin editing a different file using emacs. In the first file I select some text and then copy it (M-w), and in the second file I then try and paste it (C-y). I thought this would paste what I copied from the other file but instead I get the error message "previous command was not a yank". Those commands work just fine for copying and pasting within a single file, how do I copy and paste between different files?

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  • Infinite loop when Select?!

    - by serhio
    I have a winform in witch I have a custom LongPanel with textboxes. In order to validate an eventually edited textbox when the user click somewhere out of textBoxY I use the following code: Private Sub LongPanel_MouseClick(ByVal sender As Object, ByVal e As MouseEventArgs) _ Handles MyBase.MouseClick _AttachedPanel.Select() End Sub In runtime application freezes at the "Select" line... I receive infinite panel Leave events... any idea why?

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  • C++ struct sorting

    - by Betamoo
    I have a vector of custom Struct that needs to be sorted on different criteria each time Implementing operator < will allow only one criteria But I want to be able to specify sorting criteria each time I call C++ standard sort. How to do that? Please note it is better to be efficient in running time.. 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 to avoid specifying full path in sudoers file?

    - by s g
    I am trying to add a NOPASSWD entry for sudotest.sh (or any script/binary that requires sudo) in my /etc/sudoers file (on Ubuntu 12.04 LTS server), but in order to make it work, I must specify the full path. The following entry works just fine: %jenkins ALL=(ALL)NOPASSWD:/home/vts_share/test/sudotest.sh The problem is that the script might move to a different directory. This seems like a great chance to use the * wildcard in the path (i.e. /*/sudotest.sh) so that my script could be in any directory but the manual states that wildcards will not match the / character when used in a path. I've confirmed that it doesn't work. I know that I can use the word ALL in place of my script, but this means there is no password prompt for any commands which seems unsafe. How do I solve this?

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  • Finding ASP.NET MVC User Control

    - by Dave
    I'm creating a custom ActionResult class and I need it to be able to operate on a UserControl. All of the examples I've found so far pass in the full path like so: return MyResult("~/ControllerName/UserControlName.ascx", myModel); But I'd like it to operate the same way as calling View(), i.e. I just pass in the name and MVC determines the correct route: return MyResult("UserControlName", myModel); Is there a way I can find out the correct route to the control without specifying it manually?

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  • How can I access a shared Exchange mailbox with IMAP (over telnet)?

    - by gauteh
    I have an Mailbox which multiple users have access to, it works fine for me and I can add it in Outlook as an additional mailbox to my account and list all its content. I can access my personal mailbox using IMAP, I'm testing it by just telneting in and LIST'ing it. The problem is that another user trying to access it is having problems accessing it through IMAP; and I want to test if I can access the shared mailbox with my account - how can I do that in terms of IMAP commands? What I am doing now is: telnet mail.server 01 LOGIN user pass 02 LIST "" * 03 LOGOUT Edit: If there is another way to test this, that is an equally good answer.

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  • how to search for a term only in non test files

    - by dorelal
    I use ack and I like it. However from time to time I need to search for something in my code base and I want to ignore all the files residing in test directory. Basically all the files which have test in their absolute path should be not included in the search. How do I achieve that? I am willing to have a custom bash script. Something like ack_no_test "application" - search for "application" in all files but ignore files residing in test directory

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