Software Development Forum

public class Thread8 implements Runnable { Demo d; public static void main(String r[]) { new Thread8().disp(); } void disp() { d = new Demo(); new Thread(new Thread8()).start(); new Thread(new Thread8()).start(); } public void run() { d.fun(Thread.currentThread().getId()); } } class Demo { static long f=0; synchronized void fun(long id) { for(int …

Ok, I'm confused, what is the difference between print "stuff" and print("stuff") They both have the same output!

hoi I would like to learn how to work with databases. does anyone know a good tutorials or sites? because at this moment I know nothing about it. thanks in advance

when trying to output the string of a variable to a text file, the string try's to run and therefore pops up like this, %localDrive% 2>>fileCompare.log 'C:' is not recognized as an internal or external command, operable program or batch file. Any ideas?

Howdy, I'm trying to write a program that will copy files from one destination to another. After some reasearch it was suggested that I use SHFileOperation, and SHFILEOPSTRUCT. I'm trying to set the struct members accordance with [MSDN](http://msdn.microsoft.com/en-us/library/bb759795%28v=vs.85%29.aspx), however, I run into a problem with pTo and pFrom. The error …

Hi, im trying to query an oracle db set up of table is all done and filling it is fine but when i try to send a query to the db using a resultset to store the outcome im getting the error "cannot convert int to ResultSet" ive looked at …

Hi everybody, I'm trying to make a program to get the file creation or access or modification date, but the program always is returning me this date "Thu Jan 1 01:00:00 1970". I tried lots of codes and heelps from the forum, of posts from other users, but the result …

can someone help me to begin with face expression detection in c++,i want to detect basic facial expression via camera in realtime.like this http://www.youtube.com/watch?v=n8wJ8tjmnmU

Hi, I am trying to write a code that will calculate easter date within a year range.The problem i have is that no matter what date i put either within or outside the range i get the same output.Here is the code #A programme to calculate date of easter def …

Hey broskis! I've only taken one class in introductory programming and my internship wants me to organize some excel data (it's in txt now). We never went over files in my c programming class so I'm struggling with this code a bit. For practicing purposes my text looks like this. …

I am trying to set up a a program that gets four numbers from the user, also a random generator to get four numbers compare if any were the same and print out how many numbers were matching this is what I have so far... using System; class Program { …

How can I cast a base class to a derived on at runtime. What I am trying to do is the following: I need a system which will hold the subscriptions, where a certain type of message, has an assigned Subscriber. When a message is received, it will bi forwarded …

I'm trying to write a program that needs to detect key presses, which I've already done using this code I found online: TERMIOS = termios def getkey(): fd = sys.stdin.fileno() old = termios.tcgetattr(fd) new = termios.tcgetattr(fd) new[3] = new[3] & ~TERMIOS.ICANON & ~TERMIOS.ECHO new[6][TERMIOS.VMIN] = 1 new[6][TERMIOS.VTIME] = 0 termios.tcsetattr(fd, …

I have some files, consisting of end of day stock data in the following format : Filename: NYSE_20120116.txt <ticker>,<date>,<open>,<high>,<low>,<close>,<vol> A,20120116,36.15,36.36,35.59,36.19,3327400 AA,20120116,10.73,10.78,10.53,10.64,20457600 How can I create files for every symbol? For example for the company A Filename : A.txt <ticker>,<date>,<open>,<high>,<low>,<close>,<vol> A,20120116,36.15,36.36,35.59,36.19,3327400 A,20120117,39.76,40.39,39.7,39.99,4157900 (I don't want A.txt to contain the first line …

Hi, I have 2 ddl, ddlCountry and ddlState, on selecting ddlCountry, the ddlState IS updated based on the chosen country BUT... when I select ddlState, the selected item in ddlState is not being masked as selected, thus I can't get the selected value. Here is the code: <asp:DropDownList ID="ddlReceiverCountry" runat="server" …

Hello. I am a python noob asking a probably obvious question. I am making sort of a question game, although its still in the debugging stage. The problem is below. (Way below) #A simple game of common knowledge. #Dependecies import time start = "" lv1 = False lv2 = False …

Im having a bit of trouble converting the delphi code below into c++, i'm sure I need to use a Switch statement but I seem to be getting it wrong. Basically, I have 6 panels mounted on a larger Panel, each caption will contain a random number. A button then …

Write a program that reads a set of measurements from a file called sensorDataRaw.txt. There are two columns of data in the file; the first is time in minutes and the second is height in feet. The program should read all of the data into two arrays, and then sort …

I'm having a huge problem trying to learn how to export classes from a DLL. I can do some functions just fine but the classes are mangled :S I've tried from .def file, I've used extern "C" but when I did, it threw errors and won't export the class at …

This is my code: //VariableArguments3.java public class VariableArguments3 { static void test(String s,int ...v) { System.out.println("length:"+v.length+" String:" +s); for(int x:v) System.out.println("x="+x); } static void test(String s,double ...d) { System.out.println("length:"+d.length+" String:" +s); for(double x:d) System.out.println("x="+x); } } and //VariableArguments3.java public class VariableArguments3Test { public static void main(String args[]) { VariableArguments3.test("harshal",33,43,34,23,24); VariableArguments3.test("hosha",43,442); …

I'm Creating a class that I want to call a recursive function within it. However, the complier says i cant declare a function within a method, I was wondering how I could Recursively call that function, in the method, or how to recursively call that method, with out declaring the …

Good Afternoon, How would you solve a question that states: assume an array of structure is in order by studentID field of the record, where student IDs go from 101 to 500. Write the pseudocode to find the record with a specific studentID if every single student ID from 101 …

in our college we have a repeated C aptitude question... which goes like this.... [code] int i=5 printf("%d %d %d", i--,i,i++) [/code] and the answer given to us was 5,6,5.... when asked it was said that the compiler evaluates printf from right to left...... can somebody throw some light on …

This is my code: //VariableArguments1.java public class VariableArguments1 { static void test(int ...v) { System.out.println("length:"+v.length); for(int x:v) { System.out.println("x="+x); } } } and //VariableArguments1Test.java public class VariableArguments1Test { public static void main(String args[]) { test(33,43,34,23,24); test(43,442); test(); } } Following are the errors i am getting: VariableArguments1Test.java:5: cannot find symbol …

Hi,I'm writing a Java/Android application which consumes web services(these web services are written in .Net) from a certain URL.My problem is that some web services return to my application objects which are defined in .NET.Is there anyway my application can manipulate those objects?

I've read that C# compiler's name is csc.exe I have MonoDevelop3 And can't find a file with that name. Also can find nothing which looks like a compiler in MonoDevelop's directories. The documentations didn't help too. Could you help? Thanks

what is local variable ???? what is it function for ???

Anyone has any idea why this error is happening? The weird thing is that this page works in one server but not in another. Parameter is not valid. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about …

class Program { static int localVariable = 0; static int PropertyOne { get { return localVariable; } } static void set_PropertyOne(int newValue) { localVariable = newValue; } static void Main(string[] args) { } } **Error: already defines a member called 'set_PropertyOne' with the same parameter type** please give me reason …

I installed Apache Tomcat 7.0.28 in my JBuilder6. I use JDK 1.6.0_32 (jre6). I can get http://localhost:8080/ page. However, when I tried to run my JSP file, I encountered following error: org.apache.catalina.startup.Bootstrap start -config "C:\Documents and Settings\user\jbproject\whoznextdoor\conf\server8080.xml" -nonaming Jun 23, 2012 8:22:47 AM org.apache.catalina.startup.Bootstrap main WARNING: Bootstrap: command "-nonaming" does …

Hi Everyone, I am programming an ordering site in VB.Net and ASP.Net. I start with the main ordering form and the idea is that the user will select a subject from the drop down list and then click a button to retrieve all modules associated with that subject in a …

hi guys I tried to generate random numbers in a console app but my code doesn't work. Anyone who can help me fix my code? Here's mine: using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace ConsoleApplication { class Program { static void Main(string[] args) { private int RandomNumber(int min, …

hey everyone Well currently I'm on a very long holiday and I'm trying not to waste my time doing nothing . So can any one tell me where I can get some tasks or anything to tell me what to implement ?? so that I can learn new things in …

How to implement sizeof api. Means sizeof is already there but i do not want to use that. Major question is .... If i want to use size of int. than i can get by pointer but do not know in the case of array of int. I think that …

The `ReplaceStrings` function replaces all strings in `APatterns` found in `ASubject` with the value in `AReplacement`. As an example, I added the `RemoveStrings` function which replaces everthing with an empty string, thus deleting all strings found. Usage examples are in the XMLDoc comments. A good test will be to rewrite …

Hey guys, I want that when I press the F2 button on the textbox, a new form shows up. I have KeyPreview setted to true, and I am using a KeyDown event, here is the code: private void txtnumero_KeyDown(object sender, System.Windows.Forms.KeyEventArgs e) { if (e.KeyCode == Keys.F2) { fmrplantnum sfpn …

# What's wrong with this code? # Hi I have defined wb1 as a Workbook. I am trying to run this code `wb1.ActiveSheet.Cells(Rows.Count, 1).End(xlUp).Select` It is supposed to select the last row in a cell, however it gives me an error Run-time error '1004' Application-defined or object-defined error. I am …

hi guys just wanted to ask what's the purpose of a this.GetType() in c#. I saw it in our professor's example. Also what's the purpose of that little maroon circle on the left part of my screenshot and why is every code beside it highlighted in maroon as well? Please …

I have two panels. One with the price (OHLC) and a moving average, and one with the volume. I want to create a middle panel with to oscillators that oscillate around zero. Each oscillator is the difference of two moving averages of the chart above it. Is it possible? Thank …

I need to load a BMP into C++ and code a program to convert it into a JPEG. I have very little programming experience and am wondering what libraries should be used to efficiently convert an image in this way. Is there a library that will convert the BMP straight …

Hi, I'm already using ORacle 11G . The problem is when i'm using System.Data.Oracleclient to pull blob into picturebox it's ok, but when i'm using OracleDataaccess.Client / Types.....there no image appear n comeout error " Parameter is not valid" in this coding :- > Quoted Text Here Dim bmp As …

I want to consume a WCF service with DataContracts from my Android app, and I'm using Eclipse as my IDE. In .NET when I add a service reference I automatically get metadata and automatically-generated code for calling that service. Is there a way to do so in Java/Android/Eclipse? I wouldn't …

I have: 39H4-GTT7-LGLN And I'm trying to find every possible combination of sets. Basically each section is scrambled within itself. So there's only 16 combinations for each section. Example the first section I wrote it out as: 39H4 394H 349H 34H9 49H3 4H93 493H 4H39 9H34 934H 943H 9H43 H493 …

I'm trying to compile the following program (file named test.cpp): #include "stdafx.h" int main(int argc, char* argv[]){ INPUT *buffer = new INPUT[1]; //allocate a buffer buffer->type = INPUT_MOUSE; buffer->mi.dx = 100; buffer->mi.dy = 100; buffer->mi.mouseData = XBUTTON1; buffer->mi.dwFlags = MOUSEEVENTF_LEFTDOWN; buffer->mi.time = 0; buffer->mi.dwExtraInfo = 0; SendInput(1,buffer,sizeof(INPUT)); delete (buffer); //clean …

Hi guys I'm new here and willing to help in the future. Right now I'm developing a program, and I need to store the data selected in a combobox in a global variable, and use it in another form. Basically I have a combobox where you select a company, these …

Here when I execute the program, the output I'm getting on all the tries is 342 (naturally first 34 prints together then 2 seconds later 2 prints). My doubts is that is the order of start() [x.start() followed by y.start()] important in order of execution? Shouldn't the output be 234? …

Hi, i'm using the following cmd to remove all lib files ending with .a find . -name "*.a" -exec rm -rf {} \; I have a file which i dont want to delete , say test.a, I just want to know how to make rm not delete test.a, but delete …

void quick_sort (int *a, int n) { if (n < 2) return; int p = a[n / 2]; int *l = a; int *r = a + n - 1; while (l <= r) { while (*l < p) l++; while (*r > p) r--; if (l <= r) { …

hey starting data structers through pointers , i don't know how to reverse a singly linklist? pls help

I made the following functions for deleting a node of a singly linked list. 1. Can these functions be improved furthur? 2. Is it necessary to free the memory of the node that is deleted? nodep deleteByValue(nodep p, int value) { nodep temp = p; if(temp->data == value) return temp->next; …