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  • Ruby: merge two hash as one and with value connected

    - by scalalala
    Hi guys: 2 hash: h1 = { "s1" => "2009-7-27", "s2" => "2010-3-6", "s3" => "2009-7-27" } h2 = { "s1" => "12:29:15", "s2" => "10:00:17", "s3" => "12:25:52" } I want to merge the two hash as one like this: h = { "s1" => "2009-7-27 12:29:15", "s2" => "2010-3-6 10:00:17", "s3" => "2009-7-27 2:25:52" } what is the best way to do this? thanks!

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  • can we connect more than two devices with bluetooth

    - by menuka devinda
    can we connect more than two devices with blue-tooth to play a game. I am totally new to Android. I was thinking to write application for card game that play 4 players. I heard that blue-tooth communicate only between 2 mobiles. I want to dig the background before I continue. That's why I ask this. I appreciate your ideas about this and any hints to develop this application also are appreciated. thanks in advance.

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  • JQuery .get() only passing first two data parameters in url

    - by The.Anti.9
    I have a $.get() call to a PHP page that takes 4 GET parameters. For some reason, despite giving the $.get() call all 4, it only passes the first two. When I look at the dev console in chrome, it shows the URL that gets called, and it only passes action and dbname. Heres the code: $.get('util/util.php', { action: 'start', dbname: db, url: starturl, crawldepth: depth }, function(data) { if (data == 'true') { status = 1; $('#0').append(starturl + "<ul></ul>"); $('#gobutton').hide(); $('#loading').show("slow"); while(status == 1) { setTimeout("update()",10000); } } else { show_error("Form data incomplete!"); } }); and heres the URL that I see in the developer console: http://localhost/pci/util/util.php?action=start&dbname=1hkxorr9ve1kuap2.db

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  • I wanna make a UDP comunication between two or more computers using c++ on linux

    - by HMojtaba
    Hi every one! I really need to make this connection throw wireless (or lan ethernet). I have done this on windows (VS2008 C#, sockets), but here on linux (ubuntu 10.04) I have installed mono, and i can handle many things there, but it's speed is unacceptable for my 600MHz processor. so i decided to move on c++, but i'm new to c++ and i'm not familiar to many of it's headers. Is there any header or any library which can do that for me? thanks

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  • C# matching two text files, case sensitive issue

    - by Mike
    What i have is two files, sourcecolumns.txt and destcolumns.txt. What i need to do is compare source to dest and if the text doesnt match write out to a new file. The code below works except i have case sensitive issues like this: CPI Cpi These say they dont match because of captial letters, any help is always thanked! string[] sourcelinestotal = File.ReadAllLines(@"C:\testdirectory\" + "sourcecolumns.txt"); string[] destlinestotal = File.ReadAllLines(@"C:\testdirectory\" + "destcolumns.txt"); foreach (string sline in sourcelinestotal) { if(destlinestotal.Contains(sline)) { } else { File.AppendAllText(@"C:\testdirectory\" + "missingcolumns.txt", sline); } }

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  • Asp.net with MVC multiple model in one view (create, update)

    - by Abdalmohaymen
    I have problem in asp.ne Mvc with multiple model in one view on create and update I 'm work on exams system class Questions and class Answers Question is aparent class and Answers is a child class [Bind(exclude("id"))] class Quesions { public string question{get; set;} public Datetime Timepostquestion{get; set;} } [Bind(exclude("id"))] class Answers { public string answer{get; set;} public Datetime Timepostanswer{get; set;} public questionId {get; set;} } in a view I use two classes how to use classes in insert and update what a way which I have to solve my problem

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  • Query to select from two different tables

    - by ryan
    I would like to select from two tables and display my result using this query: CREATE TABLE Buy_Table ( buy_id int identity primary key, user_id int, amount decimal (18,2) ); go INSERT INTO Buy_Table (user_id, amount) VALUES ('1', 10), ('1', 8), ('1', 20), ('3', 1), ('2', 2); go CREATE TABLE Sell_Table ( sell_id int identity primary key, user_id int, amount decimal (18,2) ); go INSERT INTO Sell_Table (user_id, amount) VALUES ('1', 10), ('1', 8), ('1', 20), ('3', 3), ('2', 3); go select [user_id], 'Buy' as [Type], buy_id as [ID], amount from Buy_Table union all select [user_id], 'Sell', sell_id, amount from Sell_Table order by [user_id], [ID], [Type] However the above query will return each row of the user_id like this I want to display my result to something like this in a grid: Can this be done in query itself rather manipulating the grid? Thx

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  • Making one value "special"

    - by SplashHit
    What is the "computer science" term for the practice of assigning a special meaning to one of a type's values. For example a numeric variable called "amount_to_transfer" where the special value "0" means "entire account balance" or a date value "spouse_date_of_birth" where "1/1/1800" means "unmarried". I happen to feel that this is quite a bad "smell", but I'd like to have a name for it, and if possible, some blog post or article about why it's bad and how to fix it.

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  • Coordinating 3 instances of Cycle on one page

    - by Wendy H
    I have 3 images, all same size, across top of page horizontally. I'd like to use Cycle to fade each instance very slowly, but I'd also like make sure the transitions do not start all at the same time, but are staggered. Is there somewhere this can be specified? If anyone can recommend a very slow fade rate, plus a way to prevent all 3 from fading/regenerating at the same time, I'd be very grateful! I assume I can run 3 instances of cycle using different classes for each container, and assure that no two photos are the same by "stacking" them in different orders within the divs ... yes? Thank you!

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  • one timer per thread using Qt

    - by Pourya
    Hi, I modified Qt's broadcast sender example so that it has ten threads and in each thread it starts a timer, but only timer of the first thread is triggered. How can I have one timer running for each thread?

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  • SQL searching two columns for best results

    - by brsmnc
    Hi all I would like to perform an sql search and I would like to get best results. I tried some things but they didn't work well. I have got two columns named subject and content For example we will search "search this keywords" text on subject and content area. First I'm searching "search this keywords" then searching "search" and "this" and "keywords" I would like to retrieve subject's results on top and I would like to retrieve best results liking "search this keywords".My query sometimes works well sometimes not. How should I write this query Thanks..

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  • How to find distance between two geopoints in c using calculateDistance(const CWaypoint& wp)

    - by Harsha
    void getAllDataByPointer(string *pname,double *platitude, double *plongitude); void getAllDataByReference(string &pname,double &platitude, double &plongitude); double calculateDistance(const CWaypoint& wp); void print(int format); bool less(const CWaypoint& wp_right); CWaypoint add(const CWaypoint& wp_right); These are the functions I am using. I have the values as output but how to call the latitude values of two different cities so that I can use the following formula distance = ERADIUS * (acos(sin(latitude_1)*sin(latitude_2) + cos(latitude_1) * cos(latitude_2)*cos(longitude_2 - longitude_1)));

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  • writing a single line of a file in C++ into two different arrays

    - by mekasperasky
    suppose a text file has 11001100 11001101 and i open the text file and take the input from the file as pt[0]=11001100, pt[1]=11001101.. but if i take the input from file as inpt it wont put it in two different arrays which is obvious but it takes the whole line . Thus I have to take another for loop and traverse through the whole string and when I find a null character i start putting into the second array . But how can I do it without putting it into a variable and traversing .. I mean directly from the file itself ..

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  • Fading between two classes in jquery

    - by Andy
    I would like to be able to fadeout this class <h2 class="care-home-fees"><a title="Care Home Fees" href="#">Text</a></h2> and fade in this <h2 class="care-home-fees-over"><a title="Care Home Fees" href="#">Text</a></h2> Notice there are two separate images Here is my current markup which doesnt seem to work $(document).ready(function(){ $("h2.care-home-fees").hover( function () { $(this).addClass("care-home-fees-over"); }, function () { $(this).removeClass("care-home-fees"); } ); }); and the button printed before any change <h2 class="care-home-fees"><a title="Care Home Fees" href="#">Text</a></h2>

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  • Two if conditions or one if with OR

    - by Ram
    I have a small doubt I have following code bool res= false; if(cond1) { res = true; } if(cond2) { res = true; } Instead of this if I put following code if(cond1 || cond2) { res = true; } Which code snippet will be more optimized? I believe it would be second one as I have avoided an If condition.

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  • match two data.frame

    - by Elb
    I have a situation like this: DF1 COL1 COL2 COL3 ... a b c b d b f e a g m f DF2 COL a b c d e f g h i l m n o I would like to match each column of DF1 with the only one column of DF2 and score how many occurrence of DF2 are in each column of DF1. How this can be done? Thanks in advance, E.

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  • two div boxes [1st float, 2nd clear], margin on 2nd doesn't seem to push off first

    - by mach77
    In the code below I have two div boxes. The first is float:left, the second has clear:left so that it sits below the first. My question is why does margin-top:20px not push off the first div? <head> <style> div { width:100px; height:100px; background-color:green; } #box1 { float:left; } #box2 { background-color:red; clear:left; margin-top:20px; } </style> </head> <body> <div id="box1"></div> <div id="box2"></div> </body>

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  • Bad Resolution. Running Three screens at the same time

    - by Carl
    Hi I am currently using three screens at the same time with my ATI 5770 & an active displayport converter. The thing is that the third screen ( the one that is using the active displayport converter ) is showing terrible resolution compared to my other two screens. ( Samsung syncmaster p23 ) two of my screens got a max resolution of 1920* 1090, meanwhile the third on is only capable of 1600 * 1200. Do any of u guys got any solution to this problem? Btw, This is how the Active Displayport converter looks like http://accessories.us.dell.com/sna/products/Cables/productdetail.aspx?c=us&l=en&s=dhs&cs=19&sku=330-5521#Overview

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