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  • output type of binary tree

    - by gcc
    desired tree output should be like picture showed in below website. [web]http://www.all-science-fair-projects.com/science_fair_projects_encyclopedia/upload/6/6d/Binary_search_tree.png can I take output like that. If I can, how? (sorry, because I cannot sketch the graph in question task so I must give link ) (language is gcc)(platform is linux)

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  • How to calculate the cycles that change one permutation into another?

    - by fortran
    Hi, I'm looking for an algorithm that given two permutations of a sequence (e.g. [2, 3, 1, 4] and [4, 1, 3, 2]) calculates the cycles that are needed to convert the first into the second (for the example, [[0, 3], [1, 2]]). The link from mathworld says that Mathematica's ToCycle function does that, but sadly I don't have any Mathematica license at hand... I'd gladly receive any pointer to an implementation of the algorithm in any FOSS language or mathematics package. Thanks!

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  • what math do i need to convert this number

    - by Uberfuzzy
    given an X, what math is needed to find its Y, using this table? x->y 0->1 1->0 2->6 3->5 4->4 5->3 6->2 language agnostic problem and no, i dont/cant just store the array, and do the lookup. yes, the input will always be the finite set of 0 to 6. it wont be scaling later.

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  • Clojure example of the day?

    - by Michiel Borkent
    Is there a Clojure example of the day kind of service, like a blog, or Twitter account I can follow? Would be really nice to have a short example every day to enhance Clojure skills and to get inspired to delve deeper into the language. Clojure really lends itself well for short but powerful code.

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  • What's the status of the HTML 5 <video> tag and webcam integration?

    - by JorenB
    Even though it seems to be in some kind of jeopardy, the open video standard is a great idea. I saw some demos on motion tracking with it - just proofs-of-concept, but interesting nonetheless. Now, I'd say that concepts like these would really be a gain, if there would be access to the user's webcam... Just imagine browsing through Flickr with your hands in mid-air. I have Googled a little, but I can't find any detailed discussion on the subject. It is mentioned in some places, but that doesn't get me very far. Does anybody know whether support for this is planned? If yes, any prognosis on the 'when'? ;-) Of course, I guess they'd have to dream up a pretty good security model for it...

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  • Threads in JAVA

    - by theband
    I was today asked in an interview over the Thread concepts in JAVA? The Questions were... What is a thread? Why do we go for threading? A real time example over the threads. Can we create threads in Spring framework service class. Can flex call a thread? I did not answer any questions apart from definition of Thread, that too i just learnt from internet. Can anyone explain me clearly over this.

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  • How to find where error is.

    - by gurugio
    How can I find where the error occurs? In C language, the return value means what error occurs, such as failure to open file or memory allocation. There is no information where the error occurs. For example, function 'foo' calls A,B,C,D. If foo returns an error value, it might be return value of A or B or C or D. I cannot find what function returns error. I have to run debugger or add some codes to find what function returns error.

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  • How can I fix a locale warning from perl?

    - by xain
    When I run perl, I get the warning: perl: warning: Setting locale failed. perl: warning: Please check that your locale settings: LANGUAGE = (unset), LC_ALL = (unset), LANG = "en_US.UTF-8" are supported and installed on your system. perl: warning: Falling back to the standard locale ("C"). Any ideas on how to fix it?

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  • What's wrong with this "if"?

    - by Gurzo
    Hello, I'm currently trying to make an AppleScript which should recognize the selected file in Finder and do the relative command in Terminal. Everything was going fine since I reached the part where it should define the language of the selected file: it just doesn't check the ifs. I checked if it writes fileExtension correctly (via return) and it does. Here is the Gist with the code, any help would be appreciated. Thanks

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  • Reading a SquashFS archive

    - by p-static
    (SquashFS is a compressed filesystem - http://en.wikipedia.org/wiki/SquashFS) I'm looking for a way to read a SquashFS filesystem from a program. So far, I've know about the in-kernel drivers for it, but I'm sure that a userspace library for it must exist somewhere. Any language would be fine, but C is preferred. Just mounting the filesystem and using it that way is technically possible, but I'd rather avoid that route because the application I'm looking at would involve working with at least a few dozen archives at any given time.

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  • What's the best way to have functions share an array in Objective-C?

    - by editor
    I understand that in Objective-C you declare an array in the header file and interact with it in a class. So far I'm adding things and fetching them fine within a single function. I'm new to the language however and can't figure out how to share that array across other functions. I'd like to initialize array data in my viewDidLoad and access it from various functions later on. Is this possible and if so what's the best way to do it?

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  • How do I change a MySQL table to UTF-8?

    - by alex
    I know there are many settings for a language for a table and a database. I already created the database. I believe when I created it, it was default/LATIN. I want to change everything-I mean...both the table and the database, to UTF-8. How can I do that? thanks.

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  • What is the right way to modify a wordpress query in a plugin?

    - by starepod
    Basically i am playing with a plugin that allows future-dated posts on archive pages. My question is broader than this specific functionality, but everyone likes some context. I have my head around many of the plugin development concepts, but must be missing something very basic. I can successfully rewrite a query that gives me the results i want like this: function modify_where( $where ) { global $wp_query; // define $year, $cat, etc if( is_archive() ) { $where = " AND YEAR(wp_posts.post_date)='".$year."' AND wp_term_taxonomy.taxonomy = 'category' AND wp_term_taxonomy.term_id IN ('".$cat."') AND wp_posts.post_type = 'post' AND (wp_posts.post_status = 'publish' OR wp_posts.post_status = 'future')"; } return $where; } add_filter('posts_where', 'catCal_where' ); However, if i attempt to create a new WP_Query('different_query_stuff') after the main loop the new query uses the same WHERE statement outlined above. The question is : What am I missing? Thanks.

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  • How do we do AJAX programming

    - by Sonali
    I have no idea about AJAX programming features. I just know that it is Asynchronous Javascript and XML. Please help me in knowing about this language. I have gone through many AJAX tutorials. But none of the programs are running. Why I don't know. Do we save the file with .HTML extension?

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  • How to search Twitter for replies to @abc<MY-STRING>def ?

    - by oobscure
    What's the simplest way, if any, to search Twitter for replies to any username that includes <string? eg, how to search at the same time for replies to @google, @googletech, @firstgooglers, @nogoogle ? I'm not a competent developer with any language but I can handle some easy JS or PHP or regex & Bash scripting...snippets welcome.

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  • Writing a script in Java?

    - by giri
    I am working with telecom company. I am familiar with Java programming language. But now I have a task to write a script, with Linux operating systems. I have to write a script for fetching data from other computer and check some conditions. How can I do that using Java?

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