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  • What do you use Sinatra for?

    - by Victor P
    Im confused about Sinatra (the ruby framework). Is it a lightweight Rails replacement or you can have them running side by side? Can you do a web application (as in Rails)? For example a twitter clone?

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  • Having duplicate enumerator values

    - by whirlwin
    I'm creating a Tetris clone in C++, and I have an enum GameProperty, which is specified as follows: enum GameProperty { NUM_OF_TETROMINOES = 7, NUM_OF_TILES = 4, TETROMINO_ROTATIONS = 4 }; In my case, I only use these values when looping through a tetromino's tiles, e.g: for (int i = 0; i < TETROMINO_TILES; i++) { } Is it under any circumstance considered bad practice to have multiple enumerators with the same value?

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  • Using www-data through SSH

    - by Fluidbyte
    For development purposes I'm using www-data (on an ubuntu 11.10 server) to ssh in and fire git commands and basic stuff against the webroot. I don't have things like command history, coloring, etc like I do when I ssh in as any other user, so I'm curious how to get this working. I'm assuming I need a `.bashrc' file, but I'm not sure what to include or (more importantly since I could just copy the one from another user) where it goes.

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  • Is it possible to drag an HTML element out of another element and trigger a change with jQuery?

    - by blackrobot
    I have a container element that you can drag objects around in. I want it it so that if you drag an element out of the container (when the mouse crosses the border of the containing div) the element you're dragging to change. How do I arrange this? $("#container img").draggable({ helper: 'clone', zIndex: 100 }); Once the image crosses the bounds of "#container" I should be able to change the image source.

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  • my jquery code dont work?

    - by kingdom
    UCCN1003Edit <script type="text/javascript"> $(function(){ $('a.edit').click(function(event){ var change = $(this).parent('div').find('p'); var changeText = change.text(); var wrapper = $(this).parent('div'); var clone = change.clone(true); var changeBox = $(this).parent('div').find('.editBox'); var changeBoxText = changeBox.val(); if($(this).text() == 'Edit'){ wrapper.prepend("<input class='editBox' type='text' value='"+ changeText + "'/>"); wrapper.append("<a href='#' class='save' style='margin-left:10px' >Save</a>"); change.remove(); $(this).text("cancel"); }else if($(this).text()=='cancel'){ wrapper.prepend("<p>" + changeBoxText +"</p>"); $('.editBox').remove(); $('.save').remove(); $(this).text('Edit'); } }); $('.save').click(function(event){ var editBox = $(this).parent('div').find('.editBox'); var editBoxText = editBox.text(); var wrapper = $(this).parent('div'); wrapper.prepand("<p>" + editBoxText + "</p>"); editBox.remove(); $(this).remove(); }); }); </script> My part that work work is $('.save').click(function(event){ var editBox = $(this).parent('div').find('.editBox'); var editBoxText = editBox.text(); var wrapper = $(this).parent('div'); wrapper.prepand("<p>" + editBoxText + "</p>"); editBox.remove(); $(this).remove(); }); where the wrapper wont prepand the p tag and the editBox and the .save wont be remove. i try to add alert("work") in this and it wont alert at all. anyone know why?

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  • jQuery UI regenerate (zombie) draggable elements

    - by Rio
    Dear all, I'd like to know how to create draggable elements using jQuery UI that once they are dragged and dropped into another container, regenerate the same item. For example, I can drop a button from container A to container B, and once I do that, the same button (a clone) re-emerges in container A. Thanks in advance.

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  • ruby - can't modify frozen string (TypeError)

    - by Straff
    Got ... '[]=': can't modify frozen string (TypeError) when trying to modify what I thought was a copy of ARGV[0]. Same results for each of arg = ARGV[ 0 ] arg_cloned = ARGV[ 0 ].clone arg_to_s = ARGV[ 0 ].to_s arg[ 'x' ] = 'y' arg_cloned[ 'x' ] = 'y' arg_to_s[ 'x' ] = 'y'

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  • C# Dictionary<> and mutable keys

    - by Pierreten
    I was told that one of the many reasons strings were made immutable in the C# spec was to avoid the issue of HashTables having keys changed when references to the string keys altered their content. The Dictionary< type allows reference types to be used as a key. How does the dictionary avoid the issue of altered keys that lead to "misplaced" values? Is there a memberwise clone made of an object when used as a key?

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  • Gitolite many users having specific working directory and all are using one repository

    - by miet
    I'm using Gitolite. This is my folder Structure: /var/www/demo.com/user1 /var/www/demo.com/user2 /var/www/demo.com/user3 I have created one repository named demo.git. I have created three gitolite users user1, user2 and user3. Now, my question is that when user1 clone or commit or push or pull changes, then it only should change user1's working directory, and same as user2 and user3. How would you enforce that with Gitolite?

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  • Java: most efficient way to defensively copy an int[]?

    - by Jason S
    I have an interface DataSeries with a method int[] getRawData(); For various reasons (primarily because I'm using this with MATLAB, and MATLAB handles int[] well) I need to return an array rather than a List. I don't want my implementing classes to return the int[] array because it is mutable. What is the most efficient way to copy an int[] array (sizes in the 1000-1000000 length range) ? Is it clone()?

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  • Remove item older than 2 weeks

    - by Simon
    I use emacs org-mode to manage work items. Every week, I manually remove all Done items older than 2 weeks. Is there an easy way to perform this automatically? EDIT: I am currently trying to add a new custom command like this: (setq org-agenda-custom-commands '(("P" "Show old entries" todo "DONE" ( (org-agenda-files '("c:/git/org/tickets.org")) (tags "CLOSED<=\"-2w\"") ) )) ) The filter on the CLOSED timestamp is not working correctly.

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  • Does [Serializable] work for inherited classes?

    - by MattiasK
    I haven't worked much with remoting so excuse this rather rudimentary question, If I derive a class from an abstract class marked as [Serializable] (for passing the data across an appdomain), does the other side get the actual overriden implementation? ie does polymorphism work over remoting/Serializable? I need to create a clone on the other side rather than operating on the original so MarshalByRef is not an option...

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  • Is there a Mercurial equivalent to gitosis?

    - by fedesilva
    I've used ( and still use ) mercurial and git. I have some repos hosted in a server with gitosis which is great and easy to setup. I am looking for a similar tool for hosting mercurial repos. It must provide minimal acl and ssh access and allow for remote config ( in the style of gitosis's "clone the admin repo and push changes" ). Extra points for automating hgweb config via said tool.

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  • Squigglly line under a word (Win32)

    - by user146780
    I want to implement basic spell checking in a Notepad clone project I'm doing. I want to underline misspelled words with a squiggly like like Word does. I think I need to use GDI and draw on the text field, but I'm not sure how to draw on controls. Thanks

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  • Mercurial commit only tip

    - by kiw
    In my setup I have a central Hg repo to which I'm pushing my local changes. Say in my local clone I have a series of local commits and then I want to push the changes to the central repo. How can I push only the final state without including all of the "small" local commits that I made? I want this because sometimes I dont want to pollute the central repo's history with all of the small local commits that I made.

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  • Linux.com: Q&A on Oracle's Unbreakable Enterprise Kernel

    - by monica.kumar
    Linux.com recently published a Q&A on Oracle's Unbreakable Enterprise Kernel for Linux. The interview highlights the key benefits of Oracle's new offering and also offers an insight into our long and ongoing commitment to advancing Linux. Here are some excerpts from the Q&A: All enhancements made in the Unbreakable Enterprise Kernel are open source and have been made available to the Linux community. Oracle Linux, including both the kernels, is free to download, use and distribute. You can download the Unbreakable Enterprise Kernel at http://public-yum.oracle.com Source code is available, including a public git repository with full changelog and individual patches and checkins for convenience. Read the entire interview. Visit the Oracle Linux Homepage.

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