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• Design for Vacation Tracking System

  - by Aaronaught

  I have been tasked with developing a system for tracking our company's paid time-off (vacation, sick days, etc.) At the moment we are using an Excel spreadsheet on a shared network drive, and it works pretty well, but we are concerned that we won't be able to "trust" employees forever and sometimes we run into locking issues when two people try to…

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• How does the recursion here work?

  - by David

  code 1: public static int fibonacci (int n){ if (n == 0 || n == 1) { return 1; } else { return fibonacci (n-1) + fibonacci (n-2); } } how can you use fibonacci if you haven't gotten done explaining what it is yet? I've been able to understand using recursion in other cases like this: code…

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• beginner tutorials for Excel Programming in C#

  - by Anirudh Goel

  i'm having 3 years of exp working with excel vba. Now i want to port to excel programming using .net and C#, where can i find learning resources to get up to speed with the equivalent way in C#? thanks

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• Multi-column sorting with an NSTableView bound to an NSArrayController

  - by Cinder6

  Hi there. I have an NSTableView that's bound to an NSArrayController. Everything gets loaded into the table correctly, and I have sort keys and selectors set for the various columns (this also works). What I'm trying to do is sort multiple columns when the user clicks one column header, but I can't find any way to do this. I could…

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• What's wrong with this conditional?

  - by David

  I am trying to make a method that tests to see if 3 lengths can make a triangle. I think i'm making some kind of syntax error but i can't figure out what it is. Here is the relevant bit of code: (its in java) public static void trya (int a, int b, int c) { if (c>(a+b)) { System.out.println ("yes") ; } …

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• Jquery hide show list

  - by faxtion

  Having few issues with a jquery hide show item. Got a list of images, want to show the first one but hide the rest and when the user clicks next the current one is hidden and then the next list item is shown. Been banging head against wall for a while, and there is probably a very easy solution but for some reason I am unable to…

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• JAVA image transfer problem

  - by user579098

  Hi, I have a school assignment, to send a jpg image,split it into groups of 100 bytes, corrupt it, use a CRC check to locate the errors and re-transmit until it eventually is built back into its original form. It's practically ready, however when I check out the new images, they appear with errors.. I would really appreciate if…

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• How do i import AWT?

  - by David

  Im teaching myself java and the book i'm looking at just got around to explaining AWT. here is my source code: java.awt.* class obj { public static void main (String[]arg) { Point blank; blank = new Point (3,4) ; int x = blank.x ; System.out.prinln (x) ; } } here is the error…

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• The Community-Driven GDB Primer

  - by fbrereto

  I was reading this question and realized it might be helpful for entry- and pro-level developers alike (including myself) to have a common reference for best practices in using gdb. Many questions asked on Stack Overflow could easily be solved by taking some time to step some code in a debugger, and it would be good to have a…

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• User input in perl - Issue with running script in KomodoEdit

  - by golwalkar.rohan

  i wrote this tiny code on gedit and ran it :- #/usr/bin/perl print "Enter the radius of circle: \n"; $radius = <>; chomp $radius; print "radius is: $radius\n"; $circumference = (2*3.141592654) * $radius; print "Circumference of circle with radius : $radius = $circumference\n"; Runs fine using command line.Ran the…

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• convert bitset to string ??

  - by mr.bio

  Hi .. What is wrong with this code ? set<string> nk ; bitset<3> bs1(string("100")); nk.insert(bs1.to_string()); error: no matching function for call to `std::bitset<3u::to_string()' why?!

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• getting rid of ruby gems that won't die

  - by holden

  I've got a few ruby gems that won't go away. I think it has to do with when I installed them. Occasionally I have forgotten to use "sudo" before doing a gem install, which results in a write error and from what I can gather puts a copy of the gem in my user directory instead of somewhere it can run. But gem uninstall…

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• Android NDK Question

  - by Kyle

  The NDK does not contain very many shared libraries for you to access. As a result, I must build many sources myself and link them into my shared library via static/shared libraries. I want to compile libpng as a Static Library. Trouble is, I have absolutely no idea how, nor does google instruct you how to do so in…

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• D-Day Calendar has wrong dates when importing from google calendar?

  - by chobo2

  Hi I am using D-Day calendar and I am not sure but I got a weird problem. I basically have this for my code iCalendar iCal = iCalendar.LoadFromStream(file.InputStream); foreach (Event evt in iCal.Events) { DateTime start = evt.DTStart.Date; DateTime end =…

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• Using PHP, how to parse the title and meta tags from a HTML page?

  - by Dylan Taylor

  Hey guys, I need to be able to get the TITLE and DESCIPTION metadata out of a page. I've been trying to do this but I've been getting more errors than actual results. (I have an array of about 10 URLS, usually only about 2 of them give me the descrption. I have yet to get the title). So how do I, in PHP, get…

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• How do I prepare myself for a summer of working on Python using Linux environment?

  - by Shailesh Tainwala

  Hi, I have used just Windows for programming so far. Now, I have an internship starting in two weeks and I will be using just Linux environment with Python programming language. I've installed Ubuntu on my system but have no exposure to shell scripting. I need some advice on how I can quickly learn to use the…

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• PHP array taking up too much memory

  - by Dylan Taylor

  I have a multidimensional array. The array itself is fine. My problem is that the script takes up monster amounts of memory, and since I'm running this on my MAMP install on my iBook G4, my computer freezes up. Below is the full script. $query = "SELECT * FROM posts ORDER BY id DESC LIMIT 10"; $result =…

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• String to array or Array to string tips on formats, etc

  - by user316841

  hi, first of all thanks for taking your time! I'm a junior Dev, working with PHP + mysql. My issue: I'm saving data from a form to my database. From this form, there's only need to save the contacts: Name, phone number, address. But, it would be nice to have a small reference to the user answers. …

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• In Java what does NaN mean.

  - by David

  I have a program that more or less tries to widdle a doube down to a desired number. The output i get though, instead of being that final double is NaN What does this mean?

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• GD PHP Base64 Picture (png) error

  - by hogofwar

  This is part of my code: $con = mysql_connect("localhost","username","passs"); if (!$con) { die('Could not connect: ' . mysql_error()); } mysql_select_db("database", $con); if(mysql_num_rows(mysql_query("SELECT name FROM xbox_user WHERE name = '$user'"))){ // Code inside if block if userid is…

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• Why did i get this error?

  - by David

  here's the code: class Acount { int sum ; String owner ; //these seem to make sense //a constructor or two public Acount () { this.sum = 0 ; this.owner = "John Doe" ; } public Acount (String name) {this.sum = 0 ; this.owner = name ; } public Acount (String name, int…

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• PHP array taking up to much memory

  - by Dylan Taylor

  I have a multidimensional array. The array itself is fine. My problem is that the script takes up monster amounts of memory, and since I'm running this on my MAMP install on my iBook G4, my computer freezes up. Below is the full script. $query = "SELECT * FROM posts ORDER BY id DESC LIMIT 10"; …

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• Win32: HtmlHelp doesn't work from a network share. What's the alternative?

  - by Ian Boyd

  Since 2005, when Microsoft prevented HtmlHelp functioning off a network share, e.g.: \\appserver\tos\PointScanner.exe \\appserver\tos\PointScanner.chm What are we supposed to do instead? (Given that the application is not installed locally.)

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• how do i download source code using svn on OS X?

  - by Moshe

  How can I get source code off the internet using SVN? I'm trying to download Oolong game engine for iPhone OS. I am on Mac OS X 10.6 with XCode 3.2.2. svn checkout http://oolongengine.googlecode.com/svn/trunk/ oolongengine-read-only is the command I got from the Oolong Google Code page.

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• How do i generate all possible subsets of an binary string?

  - by mr.bio

  Hi.. i have a problem, that i don't know how to solve it. i have a binary string and i want to generate all possible binary substrings. Example : input : 10111 output: 10000, 10100,00111,00001,10110 ... How can i do this , fast AND Smart ?

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