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Member Avatar for Cort3z

Hi. I have a little problem with my code. I want to cast a complete arrayList to a different type, but java wont let me... Here is a compressed version of what is happening: [CODE] //The interface I use. public abstract interface Drawable{ //some methods } //A class that is …

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Hi. I am trying to make a script that will print out numbers in rapid succession after working a little with them. The script needs to write them in the console one after another (next line). The code works just fine when I do not utilize multi threading, but when …

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Hi! I am looking for a laptop with DirectX 11. It needs to be nVidia graphics, and preferably light. Price is not really an issue as long as these 2 criteria is fulfilled. I have looked at the Vaio Z, but they only got dx10. Other than that, they are …

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Member Avatar for oldetimer

I need some career advice. Any genuinely informed advice that anyone can give would be greatly appreciated. I'm 55 years old. I was a DOS programmer 20 years ago for @ 4 years. I retired from an unrelated field about 5 years ago, but now I need to go back …

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Member Avatar for muzikhera

i have two related table name employee and userloginlogs. In my program user must first log username and password located at employee table. If the user already logged in i want to get the employeeID at employee table then save it to userloginlogs table plus the login and logout date …

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Member Avatar for Cort3z

Hi! I am working on an program that basicly needs a large list. The program works fine untill i comletely fill up the "List<Object>" type. And no, it is not due to lack of ram. The program tries to add more than System.Int32.MaxValue ammount of objects. I have thought about …

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Member Avatar for selasedaniweb

I have a simple question and am hoping to gather lots of ideas. Am currently working on a project which consists of just one developer which is me, this project is supposed to be completed by January which is about 3 months from now and there aren't any budgets involved. …

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Hi, Im trying to retrieve some particular datas from SQL column into RichTextBox in WindowsForm. Im Getting only whole SQL column from SQL Table. If u know the answer, Kindly post. Thanks in advance

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Member Avatar for fx5500

Hi, Im working with an excel file. For exampler there is 500 rows in the sheet and 4 columns in the sheet. First 3 columns have data but 4th columns is empty. I want to write this column's all rows' "1. row", "2. row", "3.row"... My codes below.. How can …

Member Avatar for Cort3z
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Member Avatar for Cort3z

I'm developing a web-program that needs to check a whole bounch of potentially faulty http-links. Now, I have found a way of doing this, the only problem is that it relies on try-catch, not in it self horribly bad, but the time it takes to check the links is extremely …

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Hi. I am working on a multi threaded program (game renderer). What I want to do is to loop through my threads and get a boolean value that tells me if the thread is done rendering or not. If all the threads is done, I want the code to go …

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Member Avatar for hermann87

Hello again, another question today... Based on this example : [CODE] public interface A { public boolean booleanA = true; public boolean booleanB = true; public boolean booleanC = true; } public interface B implements A { public boolean booleanA = false; } public class Example implements B { public …

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hi im a beginner in Java i have make a simple program using the JCreator LE but when i execute file the error below is shown in the command prompt Exception in thread "main" java.lang.NoSuchMethodError: main may i know what is the matter? thank you in advance

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Hi. I got a noobish question: Is it possible to return an array "directly", so, something like this. [CODE] public int[] getArray(){ return int[]{this.intA, this.intB}; } [/CODE] I know I can just make the array first. But does this not use unnecessary cpu time and memory? This is going to …

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im trying to write a program to make the # someone puts in the prompt multiply this # by 7 how do i make this code ? i have result=Math.pow(number,7); but it does not give me the right answer... m

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Hello I am new to Java & I have made a simple mortgage interest calculator. [b]I am looking for advice on my program such as:[/b] [i]- Proper java structure - Better more efficient ways of doing what I am doing below - Proper java format(variable names, function names) - Are …

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This code is SkipList sort Min to Max. How to convert this SkipList to sort Max to Min.?? [B]File : SkipList.java[/B] [code]/** Skip List Using integer key */ import static java.lang.Math.*; public class SkipList { private static final double PROB = 0.5D; private static final int MAX_VALUE = Integer.MAX_VALUE; private …

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Member Avatar for Cort3z

Hi, I'm working on a game for a homework assignment. We are a group of 4 and basicly got the game running now, but we got issues with the rendering/drawing. I use BufferStrategy to get double buffering, and i have a custom draw-loop in a canvas. What this does is …

Member Avatar for Cort3z
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Member Avatar for Cort3z

Hi, I'm trying to set a double-value, but somehow it does not take my statements. This is what I got: [CODE] public double getDouble() { return aDoubleValue; } public double getAnothertDouble() { return aDoubleValue2; } public void myMethod(MagicObject a) /* Some magic */ //Here lies the problem: (FX is a …

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Member Avatar for smokin745

Ok now suppose i have some code and there is a point where the user is asked to input some value into showInputDialog...and then the user must input a String value, but if the user inputs an integer value, the program crashes...please help me and explain me how can i …

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Member Avatar for rena0514

Hey i have a program thats due sunday and my teacher doesn't really teach that well....so i'm kinda confused and need help. problem: read a file of positive intergers and then print each lin and then print each number in the line (i've done this part) this is where i …

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Hi. Im working on a text-based "game" that uses strings to generate maps. So I need to split these strings into bits that i can work with, but somehow the .split method kills the white space in my string. How can I get around this? Of course I can force …

Member Avatar for masijade
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Member Avatar for hooligan2008

I use to pass data between *.java and *.jsp, since this is a MVC framework, it will go by the *.java first. so i used request.getSession().setAttribute("test", "01010101010") to save the value, and then in *.jsp, use request.getSession().getAttribute("test") to get value. But it returns a strange string "682342348" all the time. …

Member Avatar for ~s.o.s~
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Hi. I'm working on a encryption thing. For it to run properly i need jsp to be able to handle big integer numbers (10^15 and higher). The long variable gets me to about 10^9, but that is not enough. I cant seem to find a way to force jsp to …

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Member Avatar for Cort3z

I am trying to make a cookie that should contain a number value. It all work fine, unless the form that sends the info to my receiver page sends and empty string. Then something strange happens. It does not seem to be empty, so my error checker does not detect …

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