2,322 Reusable Code Snippet Topics
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 | This I did also after 'spying' discussions in other forum. Of course you would use sieve prime generation for bigger numbers, but I proved other simple way for a change. Slightly more advanced primes list generator would use primes % 6 in (1,5) property: [CODE]def primes(n): """ primitive non-sieve prime … |
 | There are occasionally posts asking how to remove white space from string of characters (either a C-style `char` array, or a C++ `std::string`). Using functions in standard C++ libraries, this is quite an easy thing to do: #include <string> #include <algorithm> #include <iostream> #include <cctype> int main() { /* Make …  |
| | This is hopefully example of properly tested code snippet (fingers crossed). |
| | This is inspired for recent poster, who asked to check multiple strings in multiple files. |
| | Does your organization use Microsoft Exchange? Do you have a need to incorporate your Exchange data with your PHP web applications? You can use the WebDAV methods to query your Microsoft Exchange Server using the PHP scripting language. Once you wrap your brain around these techniques, the sky is the … |
 | The question how to create HTML output to the browser from a Servlet based on XML data often comes up. Here's a fully functional example on how to achieve this using Jakarta Xalan 2 and Xerces 2. The system is quite simple, most of the code is concerned with housekeeping … |
 | Since the Firefox [Bug 633133] of the [B]in[/B] operator on DOM Collections has ben finally fixed - We can now write a short fast and clean function of the method "Contains" for FirefoX to check if x.contains(y). And vice- versa. What we will need is: a prototype and we'll chose … |
 | Using the Load and Unload events of the Forms add these subs to handle a simple fade in and out effect. This is not limited to just one form. The subroutine definition can be added to any global class allowing the use on any form or sub-form. This is the … |
| | The idea is to do basic math to find the difference in size between the object and the form. To do this take the object size (int1, int2) and the form size (int1_1, int2_2) then get the difference by subtraction. The math is (int1 - int1_1, int2 - int2_2) so … |
 | Continued fraction expansion is a simple way to approximate common trigonometry functions to a relatively high precision. In this example we only look at sin and cosine. The results compare well with the results of high precision packages like SymPy. The Python module decimal is used to achieve the high … |
| | To be more clear, I post this 'unnecessary optimization' of Vegaseat's code in new thread instead of end of old one. Just to show that this is even simpler than [URL="http://www.daniweb.com/software-development/python/code/363346/1554115#post1554115"]checking if given day is first weekday of the month[/URL]. |
| | Little clean up of vegaseat's code for generating pi decimals. Added number of decimals desired and string type return for easy use with ''.join() |
| | This article shows you how to optimize memory allocations in C++ using placement new. Applicable especially to usecases dealing with creation of large number of objects. [COLOR="Red"][B]A brief on problem:[/B][/COLOR] Lets take example problem for simplicity: - I have a GSM network with a cell in it. - Cell's coverage … |
| | Here is function to count the number of elementary events for sum of multiple throws of n-faced dice. |
| | You need the Python tkSnack module to play notes of a given frequency and duration on your external sound system (attached to the PC's sound card). The code snippet gives just a tiny hint about the capabilities of tkSnack. It works with Tkinter, normally part of the Python installation. The … |
 | Get_Number function is a function to get input from keyboard, this function restrict the user to pass wrong input........... How to use -> For example we need to take input in any integer variable n call Get_Number() like this [CODE] n=Get_Number(); [/CODE] With Full Back Space support Please comments on … |
| | This code determines if datetime object represent first workday of month, but it does not consider the special days like New Year (this year weekend but last year Friday). Reaction to Basic efforts in: [url]http://www.daniweb.com/software-development/legacy-and-other-languages/threads/362098[/url] There algorithm idea given by [URL="http://www.daniweb.com/members/jonkiparsky/775324"]jon.kiparsky[/URL] based docstring says 'workday' when it should be 'weekday': … |
| | The script is used in my newest chrome app [url]https://chrome.google.com/webstore/developer/detail/bomkcodcgmbjjhogdjophonfhgpegoni/[/url] Site: [url]http://codestrix.co.cc/pixels/[/url] The above script is a good to get stated with HTML5 canvas. Much of it is named so as to be self explanatory but any doubts you are more than welcome to post it here. |
| | Response to hijacker of thread: [url]http://www.daniweb.com/software-development/python/threads/59745[/url] |
| | hello all, i am getting the following error when i am trying to run my 1st Perl script: [CODE][id=0 @ 0] : IP address "3.3.3.3" corresponds to device "core". Thread 1 terminated abnormally: Not a CODE reference at ./dev_ithread.pl line 23. [id=0 @ 1] : IP address "5.5.5.5" corresponds to … |
 | Dear all this program create a linked list of numbers while you dont enter 0. then bubble sort function is called and finally display function shows sorted list. I wrote it by Borland 5.02 . Have a good time!  |
| | One of the things that always irked me about C# is its lack of an InputBox function. In VB, You can simply do [CODE=VBNET]response = InputBox("Enter your name")[/CODE] Unfortunately, there is no C# equivalent. Sure, you can call the VB one, but doesn't that kind of defeat the purpose of … |
| | [B]!USING PYTHON 3.1![/B] [B]USING WINDOWS[/B] I never thought it could be so simple. However I should have clarified that it's a [B]1 character[/B] input. But the general idea is the same. Someone suggested that I explain what is going on better, so I'm going to do that. The function 'getch()' … |
| | Hey, The reason i am posting this 'snippet' is because a while back i encountered such a problem and i asked a question but never really received an answer. Basically i stumbled upon this snippet by luck when just browsing the web. I have searched the forums but found nothing … |
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| | Here's a simple, though not the most efficient, program that flags and displays all prime numbers less than or equal to 1000. |
| | I wrote this as reaction for Pascal newbie's question in Pascal Delphi forum. |
 | This is a simple word jumble game, I actually adapted it from one I used from practice. It's written in Python 3.1 using the pyscripter. NO modules needed. |
| | Hi Ever had the situation where you need to make a copy of a Datatable? Or where you wish to copy a datarow from one datatable to another? Well here is how by using [B]Clone[/B], [B]Copy[/B] and the [B]ImportRow[/B] DataTable Methods. |
 | I mostly use Console or Forms applications in VS for my projects. Did anyone among you ever use an Empty Project when starting a new one? Well, it is as clean as you can get with Visual Studio! The world is at your feet! I use it mainly to test … |
| | [CODE]using System; using System.Drawing; using System.Windows.Forms; namespace WindowsFormsApplication1 { public partial class Form1 : Form { private Panel panel1 = new Panel(); private PictureBox box = new PictureBox(); private Panel closeButton = new Panel(); private bool moveable; private Point currentPosition; private Image img; public Form1() { InitializeComponent(); this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None; … |
| | Ever wanted to know how to implement running lights? well here is your chance to find out. Open a new Forms application enlarge the Form a bit and drop a Panel and a Timer on it. Add the class ChasingLights to the solution, see code. Implement a form Load, panel … |
| | Here is experiment of how VM and Swing UI manage the sort test posted previously, instead of CPython and Tkinter. The timing is not so sweet, but at least no Java required! [CODE]K:\jython2.5.2>java -jar jython.jar swing_test.py 256000 words generated in 10.93 s Sorted in 1.68 s List prepared in 22.71 … |
 | This is Jquery plugin which can be used to change the content a its place. Features: 1. Easy to use 2. Maintain changeability of Jquery Know Issue: 1. Can take html string also as input For example: html: [code=html] <div id="editable">I can be changed right here</div> [/code] javascript: [code=javascritp] $.('#editable').editAtPlace(function(newtext, … |
| | Here is code to execute these printing commands from file: [CODE]talk("How Are You") bark("I am fine") bark("...and how are you") snarl("...sorry I asked") [/CODE] from file INPUT, do printing of results to screen without tags and to file with tags, and open the html output with webbrowser. |
| | I got a look one huge Java code suggestion from one [URL="http://www.daniweb.com/software-development/python/threads/86608/1525822#post1525822"]newbie high jacker of old thread[/URL], so I had to write this code. [url]http://oeis.org/A001235[/url] (for values with [B]minimum [/B]2 ways, first difference is 87539319 with three ways. You can of course change the if part of the print to … |
| | I did this code to compare to Delphi code in Delphi forum [URL="http://www.daniweb.com/software-development/pascal-and-delphi/threads/357771"]TListBox and sorting[/URL] which ran in my computer compiled in free Lazarus environment at time 7,235 s for generate and insert to listbox, 13,265 s sorting the listbox. |
| | Start a new Forms application and fill in the above code in the Forms.cs file. If after startup you drag one of the labels the text of the labels will be copied to the textbox. |
| | Here version of TicTacToe demo [URL="http://www.daniweb.com/software-development/python/threads/357974/1526474#post1526474"]code by wooeee[/URL] with packing style, which is more familiar for me. Also fixed indents and made it run also with Python 3. |
| | Hi I thought I'd share this with you all as it is really quite simple but I spent ages looking for it. I have an ASP.Net App with a master page containing a tree view that holds a heirarchy of data (as opposed to site naviagation) What I wanted was … |
 | This is the simple code to read an image from the database. |
| | Hello. This demo shows how to upload multiple image files, saving them in "Image" folder and displaying them all. To do this, create a folder named "Image" in your solution explorer. I hope you like it :) |
 | This is a simple Search Engine that contains tokenized words as keys, in which they will return values associated with them in an ArrayList. All that is required is a text file from a valid extension. |
| | Add this code any where in your main form and You will be able to disable the [B]X[/B] button on a winForm |
| | The tkSnack sound module was developed at KTH in Stockholm, Sweden. A great module to generate sound, play and analyze sound files and speech. It was written using Tkinter and its native TCL language. Alas, the latest release is from 2005. However, the important file tkSnack.py can be converted to … |
| | We all know that the sum() function in python only takes two arguements, so i created a function in python that will take any number of arguements and add them together, just like the sigma letter in greek. Awaiting your replies on this one. |
| | You can get your hands on to usefull information from within your C# program. Use the static System.Environment class! Take a look at this snippet, which can be used as is in a Console application. I have not exhausted all the possibilities, if you want you can look them up …  |
| | I know there are others out there who haven't figured it out yet I figure I'll help out. The code snippet included will over-ride the pre-designed menu highlight. :D Just change the color of the pen or brush to whatever you want the highlight to be. :) All of the … |
| | It solves quadratic equations, for both real and complex roots. Please answer the pol to let me know how I'm doing. This function just needs the python 3.x environment, no modules needed. |
| | Well just run, the only thing is that this is created using python 3.x. no modules required. |
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