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  • Naming Suggestions For A Function Providing Chaining In A Different Way

    - by sid3k
    I've coded an experimental function which makes passed objects chainable by using high order functions. It's name is "chain" for now, and here is a usage example; chain("Hello World") (print) // evaluates print function by passing "Hello World" object. (console.log,"Optional","Parameters") (returnfrom) // returns "Hello World" It looks lispy but behaves very different since it's coded in a C based language, I don't know if there is a name for this idiom and I couldn't any name more suitable than "chain". Any ideas, suggestions?

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  • Rails - 1 entry in model per field, per day

    - by Elliot
    Lets say I have a food model in the model, every day, people enter how many lbs of pizza/vegetables/fruit they eat. each food is its own column my issue is, I'd like it so they can only enter that in once (for that food type) every 24 hours (based on created_at). This possible?

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  • Validate Boolean Query - java

    - by JavaUser
    hi, I need the java code snippet for the below logic: Following is a string and I need to validate the string based on the below condition : "100 or 200 and 345 not 550 " - Valid string "abc or 200 and 345 SAME ** 550 " - Not a Valid String 1 . the operands(eg 100,200 ..) should be positive numbers 2 . the operator should be and/or/not Thx

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  • Round date to fiscal year

    - by Dave Jarvis
    The following database view rounds the date back to the closest fiscal year (April 1st): CREATE OR REPLACE VIEW FISCAL_YEAR_VW AS SELECT CASE WHEN to_number(to_char( SYSDATE, 'MM' )) < 4 THEN to_date('1-APR-'||to_char(add_months(SYSDATE, -12), 'YYYY'), 'dd-MON-yyyy') ELSE to_date('1-APR-'||to_char(SYSDATE, 'YYYY'), 'dd-MON-yyyy') END AS fiscal_year FROM dual; This allows us to calculate the current fiscal year based on today's date. How can this calculation be simplified or optimized?

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  • mysql query for getting all messages that belong to user's contacts

    - by aharon
    So I have a database that is setup sort of like this (simplified, and in terms of the tables, all are InnoDBs): Users: contains based user authentication information (uid, username, encrypted password, et cetera) Contacts: contains two rows per relationship that exists between users as (uid1, uid2), (uid2, uid1) to allow for a good 1:1 relationship (must be mutual) between users Messages: has messages that consist of a blob, owner-id, message-id (auto_increment) So my question is, what's the best MySQL query to get all messages that belong to all the contacts of a specific user? Is there an efficient way to do this?

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  • Is there a way to generate a short random id, avoiding collisions, without hitting persistent storag

    - by bshacklett
    If you've used GoToMeeting, that's the type of ID I want. I'd like it to be random so that it obfuscates the number of items being tracked and short, so that it's easy to reference manually; UUIDs are way too long. I'd like to avoid hitting persistent storage merely for performance reasons, but I can't think of any other way to avoid collisions. Is 9 digits enough to do something time-based?

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  • C++/Qt Apps on Ovi Store ?

    - by Ankur Gupta
    Can one develop C++/Qt based application for Symbian and N series phone and upload the same to Ovi store ?. I hear conflicting stories. I understand the existence of Smart Installer etc. But my question is as of today can I code and ship apps to Ovi store ?. If not any clue how long before it becomes a reality ?. Ankur

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  • open source smooth particle hydrodynamics

    - by user325181
    Anyone know of any open source libraries for particle based large scale smooth particle hydrodynamics. I am looking for a easier way of simulating large scale planetary body impacts with rotation. I was also wondering if you had any ideas on how to visualize the output from said simulation. I have tried using IBM graphviz, but it is very difficult to work with. Any pointers would be appreciated. Thanks!

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  • UserForm in script run from Outlook Rule

    - by Asgeir S. Nilsen
    Based on http://support.microsoft.com/kb/306108 I'd like to create a custom rule that shows a custom UserForm instead of the plain old MsgBox. What I wrote was this: Dim alerts As CustomAlerts Sub CustomMailMessageRule(Item As Outlook.MailItem) alerts.Messages.AddItem Item.Subject alerts.Show End Sub CustomAlerts is a UserForm containing a single ListBox. Sadly my attempt does not work -- no window appears. What am I doing wrong?

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  • Are open source projects considered community service?

    - by Gio Borje
    I'm currently a junior in high school and I've been slacking off on my community service to develop websites and do some personal projects in C#. Currently, I'm developing an web-based IM-Chat through node.js (the server-side Javascript). If I were to post this or other projects on Github or on Google Code, could this be considered community service?—to the programming community?

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  • Import/Export HTML5 localStorage data

    - by hamen
    Hi all, I'm working on a simple TODO list app based on localStorage HTML5 feature: http://hamen.github.com/webnotes/ I'm wondering if it's possible to import/export data in some way. How could I provide an "Export note/Import note" feature to make users being able to save their note on their HD and import them in another browser profile? Thanks

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  • GUI development in JAVA

    - by user309281
    Hi All To build a java-based GUI using jsp and servlets, what are the different factors that go into selection of frameworks like AJAX, JSF, Struts 1/Struts 2 etc. Also for each of the above pls throw some light on, what are the libraries, toolkits and IDE which are available? Thanks.

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  • Reading the registry of a (windows computer) from a web app (silverlight? php? etc)

    - by Tommy
    Is there a way to read the windows registry from a web based application with no user interaction? im open to language suggestions, any language will work i just need to know how to pull a certain string from one particular registry key. EDIT: incase this wasnt clear, im operating inside of a web-browser, obviously.. its a web application, weather it be silverlight, java, php, or something else.

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  • Can i pop to Specific ViewController?

    - by Ankit Vyas
    Hello!I am using Navigation Based Application.I push First ViewController to Second ViewController and From Second ViewController to Third ViewController Now I want to Pop From Third ViewController to First ViewController.I am Performing This task using the Below Code but i application get's Terminate.Please any body give me some proper Guidelines.I can't use pop to RootViewController because it's Different ViewController.Thanks in Advance... In Third ViewControler i have Written this: FirstViewCtr *x=[[FirstViewCtr alloc] initWithNibName:@"FirstViewCtr" bundle:nil]; [self.navigationController popToViewController:x animated:NO];

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  • How to modify web page elements loaded in a browser

    - by Trilok
    I want to associate some actions with keys (of a keyboard) and then modify the contents of a webpage loaded in the browser. For example, I'll write a firefox plugin and that would be listening to some keyboard events. Based on a key press (or something like that) I want to modify the html code of the page. For example, I would like to change the color of a link. Any suggestions on how can I go about doing this?

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  • Is DxScene the "WPF for Delphi"? Anyone used it?

    - by André Mussche
    I am playing with DxScene and VxScene: http://www.ksdev.com/dxscene/index.html It looks very nice and powerful: 3d accelerated vector graphics, cross plaform, nice effects, many 2d GUI controls (vector based), good scaling, transparency, rotating (x, y, z), 3d models, etc. Even with many effects, the CPU stays very low (0%)! http://www.ksdev.com/dxscene/snapshot/screen0.jpeg But can it be seen as a good WPF alternative for Delphi? And does anyone use it instead of normal Delphi VCL?

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  • Convert vcproject to makefile for nix?

    - by Undawned
    So I have a visual studio 2008 project setup for a project I've been working on however its a sub project of a rather larger code base which is crossplatform, so in order to make my project complaint with the main source I need to make my project nix compilable. Is there some way I can generate a makefile based off my vcproject? or if not is there someway I could generate a makefile any other way than writing it manually as it appears confusing as all hell when I open them up.

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  • Win32 synchronization

    - by john
    I am trying to write an application (console based),in which one thread reads information from console and another thread prints the same information back to console. I am stuck in implementing the synchronization logic . Can anyone refer me some samples. john

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  • How can I synchronize a text with audio/sound in XNA/XACT?

    - by Omkar
    Hello Geeks, I wanted to display the text while sound is playing at background. In short if there is sound/audio for "What is this", I want to display the text "What is this" in text box synchronously. Is this possible with XNA/XACT? and can I use this in standard C# based WPF or Silverlight applications? Appreciating your help.

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  • How to read date from the form and calculate a timestamp

    - by Vafello
    I would like to calculate a timestamp based on the input date. I would like to calculate it from the user input (something like 12/12/2011) I guess I need a function that changes the format to something readable for php and then calculate timestamp for this date. Maybe I should use strtotime() function? Any ideas will be appreciated. $date = $_POST['date']; <input type="text" name="date" value="">

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  • Examples of useful or non-trival dual interfaces

    - by Scott Weinstein
    Recently Erik Meijer and others have show how IObservable/IObserver is the dual of IEnumerable/IEnumerator. The fact that they are dual means that any operation on one interface is valid on the other, thus providing a theoretical foundation for the Reactive Extentions for .Net Do other dual interfaces exist? I'm interested in any example, not just .Net based.

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  • XML file as model for django project

    - by Ankur Chauhan
    Hi, I have a XML file that is managed by other programs, I am writing a web service such that users are able to query this file. In essence i am using a xml based database instead of using sql as the model database in Django. how do i do this? all the tutorials that i find use a sql database in the backend. is there a way to use the xml file as a database.

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