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  • Establish SSH Connection Between Two Isolated Machines Using a 3rd System

    - by FurryHead
    I'd like to do the following with Python: Computer 1 starts SSH server (probably using twisted or paramiko) Computer 1 connects to Server 1 (idle connection) Computer 2 connects to Server 1 Server 1 forwards Computer 2's connection to Computer 1 (connection no longer idle) Computer 1 forwards Server 1's connection to listening SSH port (on computer 1) Result being Computer 2 now has a SSH session with Computer 1, almost as if Computer 2 had started a normal SSH session (but with Server 1's IP instead of Computer 1's) I need this because I can't port forward on Computer 1's network (the router doesn't support it).

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  • Export from a standalone database to an embedded database.

    - by jdana
    I have a two-part application, where there is a central database that is edited, and then at certain times, the data is released and distributed as its own application. I would like to use a standalone database for the central database (MySQL, Postgres, Oracle, SQL Server, etc.) and then have a reliable export to an embedded database (probably SQLite) for distribution. What tools/processes are available for such an export, or is it a practice to be avoided? EDIT: A couple of additional pieces of information. The distributed application should be able to run without having to connect to another server (ex: your spellchecker still works even you don't have internet), and I don't want to install a full DB server for read-only access to the data.

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  • jquery loop hover button

    - by john morris
    ok i have 6 buttons, im trying to have a jquery listener for when you hover over one of the 6 buttons, it changes class. im using a for loop to do this, heres my code: $(document).ready(function() { for($i=1;$i<7;$i++) { $('#button'+i).hover(function() { $(this).addClass('hovering'); }, function() { $(this).removeClass('normal'); }); } }); each button has an id of "buttonx" ( the x being a number ) help?

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  • Does the OS make a significant difference for Ruby Development ?

    - by Bragaadeesh
    Hi, I have been working in Java for the past 4 years and I am currently switching over to Ruby. I am so excited about it and I feel good to finally get a hands on experience on a scripting language first time. The task assigned to me is to first pick a OS of my choice and setup a Ruby in it and study for 2 weeks. I have been developing applications in windows and Linux is not my cup of tea. Some part of me wants to try out Linux but I want to first convince myself whether OS really matters for Ruby development. If Linux does matter, which distribution can I start looking at? Please advise.

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  • How should I interpret site analytics with 11 pageviews in an 3 second visit?

    - by Juank
    I'm using google analytics and recently i've noticed some weird trends going on. I have a lot of visits that last mere seconds but mark several page views... more than a normal human can see in that range of time. A specific case is that the only visitor from Ireland i've had until now recorded 11 pageviews in a 3 second visit. Are these crawlers? Shouldn't google analytics filter those out?

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  • Split Entire Hash Range Into n Equal Ranges

    - by noxtion
    Hello. I am looking to take a hash range (md5 or sha1) and split it into n equal ranges. For example, if n=5, the entire hash range would be split by 5 so that there would be a uniform distribution of key ranges. I would like n=1 to be from the beginning of the hash range to 1/5, 2 from 1/2 to 2/5, etc all the way to the end. I am new to hashing and a little bit unsure of where I could start on solving this for a project. Any help you could give would be great.

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  • How to show tab character while using expandtab setting?

    - by Plugawy
    In my .gvimrc I have following lines: set listchars=tab:\.\ ,trail:- set softtabstop=2 set shiftwidth=2 set tabstop=2 set expandtab When I change last line to set noexpandtab the indents can be seen and marked with . Is there a way to make vim treat expanded tabs like "normal" tab so that list option works as expected?

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  • How to start an activity Dialog.

    - by PP
    I have one activity which i am using for displaying Dialogs and as a normal layout. So what i want to do is, sometimes i want to start activity as Theme Dialog and some times using setContentView. I can't use <activity android:theme="@android:style/Theme.Dialog"> in manifest file as it will always display activity as dialog. So can we do it programmatic, i have also tried setTheme() method but it did't work. Thanks, PP.

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  • What happens when I MPI_Send to a process that has finished?

    - by nieldw
    What happens when I MPI_Send to a process that has finished? I am learning MPI, and writing a small sugar distribution-simulation in C. When the factories stop producing, those processes end. When warehouses run empty, they end. Can I somehow tell if the shop's order to a warehouse did not succeed(because the warehouse process has ended) by looking at the return value of MPI_Send? The documentation doesn't mention a specific error code for this situation, but that no error is returned for success. Can I do: if (MPI_Send(...)) { ... /* destination has ended */ ... } And disregard the error code? Thanks

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  • The fundamentals of Hash tables?

    - by kylex
    I'm quite confused about the basic concepts of a Hash table. If I were to code a hash how would I even begin? What is the difference between a Hash table and just a normal array? Basically if someone answered this question I think all my questions would be answered: If I had 100 randomly generated numbers (as keys), how would I implement a hash table and why would that be advantageous over an array? Psuedo-code or Java would be appreciated as a learning tool...

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  • Route Values for Area (MVC3)

    - by Jim
    Hi, I am using areas in MVC version 3. My logoff and logon action methods are routing to the area, and I need them to route to the normal controller that is not in an area. I have tried the following host://AREA/CONTROLLER/METHOD instead of host://CONTROLLER/METHOD. @if(Request.IsAuthenticated) { <text>Welcome <b>@Context.User.Identity.Name</b> [ @Html.ActionLink("Log Off", "LogOff", "Account", new { area = "" }) ]</text> } else { @:[ @Html.ActionLink("Log On", "LogOn", "Account", new { area = "" }) ] }

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  • GWT. Exclude shared domain objects to separate Maven module

    - by MyTitle
    I have some Domain classes such as Student, User etc which are used on server and client (gwt) sides. Can I exclude this domain classes to separate maven-module, so I can add this module as dependency to other maven-modules (i.e. add this module as dependency to maven-module which contains gwt related stuff, so this domain classes will be generated to JavaScript, and add this module as dependency to "normal" (not gwt) Java maven-modules, so this domain classes won’t be generated to JavaScript)?

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  • Custom QAction/QMenu for mouse button detection

    - by voodoogiant
    I'm trying to create a popup menu, where I can detect the mouse button that was pressed for a given item. I've created a custom QAction already to build my QMenu, but the triggered signal when the menu item is pressed doesn't provide a QMouseEvent for me to query the button pressed. Also, I'm setting the a status tip for each QAction, which appears in the status bar when I mouse over it, but it stays even after I close the QMenu. Is this normal behavior?

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  • Registration during content creation in Drupal?

    - by RD
    Is there an easy way to allow a user to register as he creates content type. E.g. Let's say there is a content type called "listing". When the user clicks to on a link to create it, and he's not logged in, I want a "register" box to appear ABOVE THE CONTENT CREATION area, where the user can enter his normal registration details. Is this possible?

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  • Java overloading and overriding

    - by Padmanabh
    We always say that method overloading is static polymorphism and overriding is runtime polymorphism. What exactly do we mean by static here? Is the call to a method resolved on compiling the code? So whats the difference between normal method call and calling a final method? Which one is linked at compile time?

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  • What does it mean when a ByteInputStream keeps returning 0?

    - by Zombies
    I have a ByteInputStream, created from a Socket in Java. The connection is to a simple web server that uses chunked transfer encoding. The web server does in fact work in normal browser. But in my program, I am attempting to read, I read the first first bytes (some 5kb of data). But each read after that returns 0 bytes read. Isn't it supposed to block until it can read?

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  • Can't create packages with Maven webapp

    - by cardori
    I have created a project using the following maven webapp project in eclipse: When adding a package to the project (right click project - new - package), the package gets added as a folder (I added a package named core). It does not have the usual package icon: If I try to create a new class and select a package, there are no entries in the list box. I have tried creating packages in a normal eclipse dynamic web project and these work correctly. How do I get packages in Maven enabled webapp projects?

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