199,114 Archived Topics
Remove Filter  | |
| | my teacher asked me "Why c++/c## support operator overloading and java don't?" I have an answer for Java. anything I read, just said about how to write, define or something else. No answer for "why" someone can give me a document which I need or the answer. thanks for reading …  |
| | Client code import java.net.*; import java.io.*; /** * This example illustrates the basic method calls for connectionless * datagram socket. * @author M. L. Liu */ public class Example1Sender { // An application which sends a message using connectionless // datagram socket. // Three command line arguments are expected, in … |
| | hi! i am trying to write a program that takes a long integer and compares every pair in that integer and displays largest pair. e.g we have an integer 23812 and in this integer largest pair is 81. so program should display 81. but i have no logic in mind … |
| | Everyone, I have a question... hope you can help me... I have 4 methods and they are expecting to return some value to the caller. MethodA() MethodB() MethodC() MethodD() MethodA() call MethodB() then MethodB() call MethodC() then MethodC() call MethodD() and MethodD() will return something. if the MethodD() return empty … |
| | Helloo everybody, I'm in the midst of attempting to create a publisher-subscriber design. What i understand is that a publisher-subscriber pattern will mainly include distributing messages to certain subscribers at certain times. I was thinking there would be a "publisher" class & a "subscriber" class and later on publisher will … |
| | Greetings, i have this code that inserts an item on the table item_tbl and it should also get the added items primary key and insert it on table fields_tbl. My question is how can i get the primary key of the item that i will add and insert it on … |
| | Hi, I have en stdClass object array that looks like this Array ( [10] => stdClass Object ( [inlast] => 2013-02-15 00:00:00 ... etc Where the first number (10) is the uniqe identifier for that row, and the array contains all the rows in the table. So my question is …  |
| | Hi, I have been creating a round robin. This is similar idea to speed dating except everyone has to talk to everyone. Whilst I have been able to create this, there is a lot of repetition in my code and I wondering if any of you have recommendations for removing … |
 | Hello, using for each of jquery am fetching td's name but if try to test it by removing name from firbug and try to submit it then my code is breking. so first question, what should anyone do in such case? and another regarding my code is: $('#SkillDetails_table tr').each(function() { …  |
| | import java.util.Scanner; public class assignment8{ public static void main(String[] args ){ Scanner s = new Scanner (System.in); double a,b,c; double discriminant, r1, r2; System.out.print("Enter a, b,c"); a=s.nextDouble(); b=s.nextDouble(); c=s.nextDouble(); discriminant= Math.pow(b,2)- 4*a*c; if(discriminant>0){ r1=(-b + Math.pow(discriminant,0.5))/(2*a); r2=(-b+ Math.pow(discriminant,0.5))/(2*a); System.out.print("The equation has two roots"+ r1 + "and"+ r2+"."); }else if(discriminant==0){ r1= …  |
| | hi is there anyone who can help me to create a game program in pascal hoping that one of you can help me please even a simple calculator coz i really dont know how to create  |
 | |
| | Hello, Could you explain the output for the program below? Is the output specifying a reference of the Scanner object in RAM (I don't see any hex hash) or something else? Thank you! import java.util.Scanner; public class ScannerTest { public static void main(String args[]) { Scanner input = new Scanner(System.in); … |
| | Greetings all, I use MinGW32 for doing problems and have reach a point where standard malloc() would throw bad_alloc() whenever i call new. What other alternatives for Windows in memory allocation?  |
| | Hi if myTable has a column like Col 10 7 3 5 9 4 How can I select three smallest numbers? my resultset should be 3 4 5 I don't prefer the following; with myT as (select col from myTable order by col) select top(3) from myT Any better idea? … |
| | Hi, I'm having trouble reading a file the way I want it to. /*Textfile.txt*/ ROOM Closet Its too dark, you cant see anything. EXIT out Basement 1 ROOM Basement Its too dark, you need some sort of light to help you see. EXIT enter Closet 1 EXIT up Dinning_Room 1 … |
 | What is the difference between these two classes? In the second one `protected:` looking like it isn't doing anything at all, there's nothing under it umbrella. class Tank { protected: int wheels; public: void setWheels(int newWheels) { wheels = newWheels; } int getWheels() { return wheels; } }; /////////////////////////////////////////////////////////////// class … |
| | |
| | Hi guys, Got a bit of a dilemma, I just recently discovered my VPS was sending spam, this was brought to my attention by my hosting company. And sure enough I went to check the mail queue log in my control panel, I'm using plesk btw, and it failed to …  |
 | Hey hey ..I've got stucked onto another one ... So, not sure how to explain this 1 but I can give an example ... When input = 1 - expected result is a string = "a b c d e f g h i j k l m n o … |
| | i developed a project in c#.it works for one year.now it shows license error.i didn't do any code for license.but project uses some dlls(such as pdfnet.dll,impersusr.dll) which is downloaded from internet.how can i find license expired and how can i edit it. |
| | Hi, how can I store an object in a hash_map? I have an Item object and I want to pair it with a quantity. Will I be able to: 1. Find the item? 2. change the paired quantity? 3. sort it by qty or item name? /*Item.h handles the item …  |
 | I am try to figure out how to check current time against time in database and header the user to "expired page" if the current time is greater than the one in database "1 hour" $email = $token = $check_time = ""; $crossToken = $db->prepare("SELECT email, token, check_time FROM pw_reset_company … |
 | All functions work every time except the "btn_replay" which only works on the first iteration. It does not use the session variable File name is add_hock_query_js.php and is included in file ad_hoc_query.php I have scoured the internet without a result and am stuck. <?php session_start(); ?> <script type="text/javascript"> $(document).ready(function(){ $('input#btn').hide(); … |
| | Hey guys, I've got stucked on something here ... so to explain it here is an example. Let's say I have a string "aa a i". My idea is to get a result that is "aA A I". -> this is a challenge on Codehunt and I got stucked on … |
| | Hey guys, I am making something that it takes a char, then it sums it with 5 and returns the new char according to the ASCII table, for example input is 'a' , then output will be 'f'. This code is doing it somewhat .. public static String Puzzle(String s) … |
| | I keep getting coredumps when i run this function. void readUser(int uid) ///Reads users from data directory { std::stringstream fileName; fileName << "./data/" << uid << ".dat"; user myUser; std::cout << "USERNAME:" << myUser.name << "\n UID:" << myUser.uid; ///Reads data from file FILE* dat = fopen(fileName.str().c_str(),"rb"); fread(&myUser, sizeof(user), 1, …  |
| | Hi again guys please forgive my unknowing, i tried but simpply got errors. I downloaded this upload script ( [Click Here](http://www.phpkode.com/scripts/item/es-simple-uploader/) ), it works great except it's for single file uploads, not multi-file uploads The website I'm working on requires the ability to upload multiple files at the same time, … |
| | I am trying to learn how to use jQuery and I stumbled upon this code and the requirements below: * disable all the cells from "Every Monday" till "Every Sunday" as the initial status; * make "Never" exclusive from all the rest of options in the same row; * make … |
| | Hello, The reason why im asking for this is becouse im currently making a project that needs data storage. And sqlite seems to be perfect for that matter. I've already read the documentation of Sqlite3 but i found that insufficient. It didn't really explain much besides the obvious. I can … |
| | |
| | I am interested to do practice on oracle database.Actually i had completed course on MYSQL,now i want to try on oracle.Today i have opened the oracle website to download oracle 11g(windows7 64bit),But in downloads only Oracle Database 11g Express Edition R2 is there.What to do now?For Mysql workbench is there …  |
 | hello I am working with the daniwebjsptutorial the first one. I have a src and in it I have the resource.dir. I have the HttpServlet.jar there. I do not know how to get the LoginServlet class to find it using eclipse. Is there a standard entry point for the web … |
| | hello guys, i am creating a simple quiz on c# in visual studio. I am stuck in changing the page(switchig to next question) when one question is answered. what should i do for that ? i tried by making a new form inside the previous one but its not a … |
 | Hello How can i add ID='xyz'in IMG tag <div class="main-banner"> <img width="1000" height="242" alt="cropped-Penguins.png" class="attachment-full" src="http://../cropped-Penguins.png"> </div> JQuery which i have tried jQuery('.main-banner').append("img").attr('id','xyz'); But Not Work. Give me suggestion Thank you |
| | Hello all, My question is hopefully particular enough to not relate to any of the other ones that I've read. I'm wanting to use subprocess and multiprocessing to spawn a bunch of jobs serially and return the return code to me. The problem is that I don't want to wait() …  |
| | Hello Friends, I want to know - "What is Polymorphism in C++?" Books can not help me...please make me clear about it..in simple terms..please...!! |
| | i want to know the differnce between int a=10 & int a; a=10; though both look same and assign the value 10 to the variable a. but in memory theres a big difference between te two. Can anyone help me with this?? |
| | Hi, I already have an excel file (MyXL.xls) and a Visual Basic (Form1.frm) with a command button. Now, I want to write a code for the Visual Basic so that when I click on the command button, the excel file will be opened. Any help is significant to me! Thank … |
| | Hy ihave this phpcode, how can i paginate this?to make more pages from the sql results... because i have a lots of rows... <?php $qry=mysql_query("SELECT *,replace(category, ',', ' ') as category FROM articles ORDER by articles.id DESC ", $con); if(!$qry) { die("Query Failed: ". mysql_error()); } /* Fetching data from … |
| | Hello I am trying to make an alteration to the CSS behind the site.master file. I have the following in my site.master code: <div class="navbar navbar-inverse navbar-fixed-top"> <div class="container"> <div class="navbar-header"> ........ </div> </div> </div> This refers to the fixed bar along the top of my page as in the … |
| | |
 | Trying desperately to get CodeIgniter and Nginx to play nice. I was able to get it working once a long time ago and I cannot seem to reproduce what I had. I am trying to follow: http://wiki.nginx.org/Codeigniter However, it works fine where / gives me the default controller/method, and I … |
| | I have a problem with login issue that when i loggin as student from index.php it should bring me to student_home php.. but it doesnt show anything and just bring me to index.php back.. i mixed up about header and session part.. my index.php <?php include('header.php'); //Start session session_start(); //Unset … |
| | I'm reading my C++ book and I've come to a chapter on structures and unions. The book has tried to explain the difference but I'm not getting it's explanation. Playing with the structure examples in the book reminds me of accessing attributes to a python Class but apart from that, … |
 | Hey guys, I want to generate a unique number in PHP (ex. 000001, 000002 etc), when it is saved in the database it will increment in 1 (+1). But how can I do it? Thank You :) |
| | I am taking my very first programming class ad kind of stump on the problem mention in this post.. In coding I only got so far as what shows here.... 2. Write Python statements corresponding to the following: a. Assign to variable flowers a list containing strings 'rose', 'bougainvillea', 'yucca', …  |
| | Hey everybody, As of this moment i'm trying to work out how to approach a state design. I've come across Source Makers' site [http://sourcemaking.com/design_patterns/state/cpp/1](http://sourcemaking.com/design_patterns/state/cpp/1) and am testing out the example. The program works fine when it's all in 1 file, although i had to change some stuff in main, but … |
 | [CODE]<div id="wrapper"> <div id="header"> <p>This is the Header</p> </div> <div id="navigation"> <p>This is the Navigation</p> <a href="#">Home</a> <a href="#">About</a> <a href="#">Contact</a> </div> <div id="content"> <p>This is the main content</p> </div> <div id="footer"> <p>This is the Footer</p> </div> </div>[/CODE] This is my HTML code. I have menus in navigation div. Content … |
| | Hello, I am using FCKeditor to inserting news content now my problem is after submitting the news sucessfully. I get all other new items on the same page if i need to edit them on clicking the edit button the fckeditor not loads the old content until i change this … |
The End.