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An example how to use Tkinter's OptionMenu() as a combobox to allow one year to be selected from an option list of let's say the past 15 years. | |
When using emails as usernames you want them to be unique over your table, but this can be a problem if you consider a GMail account, because of their [username](https://support.google.com/mail/answer/12096?hl=en) [policy](https://support.google.com/mail/answer/10313?hl=en). They allow: * dots * digits * letters * plus addressing text by using the `+` sign, i.e. `orange+juice@gmail.com` … | |
![]() | Hi all. Been playing with some autoloading but couldn't get it to work. I'm trying to implement the PSR-4 (project scope) approach, but documentation is sketchy and I'm a bit lost as to the issue. I've read the PHP-Fig docs: http://www.php-fig.org/psr/psr-4/ and an trying to implement a script from the … ![]() |
Just the very basics on how to draw a rotated text using the Python GUI toolkit PySide (public PyQt). Please experiment and embellish. | |
I work with images...a *lot*. Often this involves image processing of various types such as resizing, resampling, and various cleanup operations. However, a common issue is that people like to conflate Adobe PDF with images. As such, any application that works with images should also work with PDF. However, since … | |
As usual, after learning new stuff, I write on it. Yesterday I finished learning on "Functions in C++" and found that functions are very easy to learn and useful. Hope this tutorial helps beginners. # What is function? # Sometimes when we want to execute a specific task wherever it's … | |
A Drupal security advisory, [SA-CORE-2014-005](https://www.drupal.org/SA-CORE-2014-005), rather embarrassingly states that: > Drupal 7 includes a database abstraction API to ensure that queries executed against the database are sanitized to prevent SQL injection attacks. A vulnerability in this API allows an attacker to send specially crafted requests resulting in arbitrary SQL execution. … | |
String input has changed from Python2's raw_input(prompt) to Python3's input(prompt). The old Python2 numeric input(prompt) has gone away with Python3, all input is now string input. The snippet shows a few lines you can add to your program such that you only need to use input(prompt). This makes your code … | |
The idea of this thread is to help the beginning wxPython GUI programmer with hints and helpful code. Please feel free to contribute! If you have any questions start your own thread! For info on wxPython modules see: http://www.wxpython.org/docs/api/wx-module.html | |
Hi Dw community I don't know whether it me or, but there is something a bit wrong that keep on happening so I think we should remember that we were all a students once and if we didn't work harder and put much effort in practicing code we wouldn't know … | |
Hello! So, I see you need help... or maybe you just fancy a nice little read. Either way, this is here for a reason. When you post code on DaniWeb, it can be frustrating waiting for a reply (trust me, I've been there!) — so... here are some tips that … | |
The Pyside GUI toolkit (public PyQt) lets you bring up an interactive web page with its QWebView widget. Here is a simple example. | |
The portable version of Python (versions 2.7 and 3.2 are available) can be run from your hard drive or a flash drive. In many ways this makes your live easier, since a lot of libraries are included already. Also, you can take your code to a friend on a flash … | |
A report from Hold Security claims that one of the biggest ever online heists has been committed by a Russian crime gang. It would appear that the data theft includes, wait for it, no less than 1.2 billion (yes billion) username and passwords along with around half a billion email … | |
Hello everyone, **!WARNING! this function should only be use, WHEN ffmpeg PHP CANNOT be installed in the server.** I just got some free time from tedious and hectic school schedules. About two months ago, I saw a question about "how to get the duration of a given video file?". Of … | |
I want to connect my access database to my project in vb 6. What are the steps i should follow? Once i'm done with that, i want to know how to drag them and place them on a form (like the way we do it in VB.NET). Thank you | |
This program takes a text string and creates a list of words. Any attached punctuation marks are removed and the words are converted to lower case for sorting. Now you can generate a dictionary of the words and their frequencies. The result is displayed using a sorted list of dictionary … | |
Our up/down voting buttons don't do anything on iOS devices (iPhone, iPad). Confirmation that they work fine on Blackberry and other mobile devices. Additionally, they work fine on all desktop browsers, including Safari. HTML code looks like this: <div class="vote-arrow downvote" data-vote="-1"> </div> <div class="vote" title="Vote on posts with a comment … | |
Often times it is useful to instrument a program you do not have the source to in an attempt to learn more about it. This can be for debugging purposes, blackbox testing, or for providing alternate versions of common functions/libraries (to name a few). On Linux, there is a very … | |
hello i m a student & new to php i want to pass id from one page to another page using get & post method but the id can not be passed it shoes the variable in URL instead of value please can any one help me Here is the … | |
Hi, You can simulate this by starting a new WinForm app. Add a datagridview and add some columns. Add a contextmenustrip, add a menuitem, doubleclick it to get a clickhandler. Attach the menustrip to the datagridview in the properties window of the DGV. Then refer to this code and the … | |
Hi guys hope your all well, I want to put a quiz into my website that I'm doing. I've found some code for a Multiple Choice-True False Quiz Here is the code, (yes I know its long and there are some reputation in it) You have to add questions by … | |
Hello Everyone, I wrote this script way back in 2008 as Version1. However, I was forced to forget about this, because it was criticized by many developers with BS, MS, and "Seasoned PHP Developer" under their names. During those days, I couldn't stand up for my own reasons, because I … | |
This small script named `sourcecode.py` is a command line tool to open a python module's source file with the default editor. For example the line $ python sourcecode.py xml.dom.minidom opens the file minidom.py from the python distribution with the default editor. The same works with user-defined modules having a python … | |
This snippet shows how to find the complex roots of a polynomial using python (tested with python 2.6). You need the scipy or numpy module. | |
![]() | Here is a simple Polynomial class. Its purpose is to show how one can [B]simply [/B]create a Polynomial class without using abstract datastructures such as linked lists etc. Each term is printed out in order of its power - from highest to lowest. Inspiration was taken from a Java source … |
This handy little utility determines the size of a folder and it's subfolders in MBytes. | |
I am using MySQL 5.0 on WinXP pro. Below is the script for creating the table CREATE TABLE `tbl_test` ( `gameID` VARCHAR(45) NOT NULL, `gameName` VARCHAR(100) NOT NULL, `gameStartDateTime` DATETIME NOT NULL ); INSERT INTO `tbl_test`(`gameID`,`gameName`,`gameStartDateTime`) values('gameID1','gameName1','2008-01-01 1:00:00'); INSERT INTO `tbl_test`(`gameID`,`gameName`,`gameStartDateTime`) values('gameID1','gameName1','2008-01-01 8:00:00'); INSERT INTO `tbl_test`(`gameID`,`gameName`,`gameStartDateTime`) values('gameID1','gameName1','2008-01-01 12:00:00'); I would … ![]() | |
A while ago I explained how you could tag articles (see [this thread](http://www.daniweb.com/web-development/php/threads/387961/php-code-to-show-related-posts-on-a-blog)). Now you get a full working example. This code and the SQL script is also available on GitHub. The attached MySQL dump needs to be imported into your database, and you must update the credentials in the … | |
These programs are not perfect and very coarcenes but I think it understandable for who are new to learning Graph Theory. I will point directly each problem by using example code. Any questions or idea please post here. Thank you. Here are my programs, we will start with a basic … | |
Hey, how to make really vertical menu? Like this one: http://media.smashingmagazine.com/images/navigation-menus/vert.gif I was "reading" article with menu ideas. I found this one. It had link, but it's broken (showing commercial page). Or server hates my IP. | |
Hello everyone! I am posting this code for anyone who may be having issues with connecting to a database. Feel free to use this code as you wish. This will be using the OLEDB library. [CODE] 'Imports Imports System.Data.OleDb Public Class Form1 'Declarations Dim con As OleDbConnection Dim cmd As … | |
This is sample code for a ASP.Net Login page (using Visual Basic.Net code behind) with OleDB connection to an Access Database using ADO.Net. The datebase used is the Access Northwind Database. With the connection string being placed in the [i]web.config[/i] file. [b]1. [u][i]Web Config[/i][/u] File code:[/b] [code] <?xml version="1.0" encoding="utf-8" … | |
Here's a small piece of code in python that may be helpful to those who like to play with substitution ciphers..... Say we have a text that is ciphered with simple [substitution cipher](http://en.wikipedia.org/wiki/Substitution_cipher), and say we know that the original text contained a certain phrase...but all we have now is … | |
![]() | While extending a mysqli class, I ran into an issue with binding parameters. I've read that db names and table names should not be used as parameters, but while I was pondering this statement... SELECT SCHEMA_NAME FROM INFORMATION_SCHEMA.SCHEMATA WHERE SCHEMA_NAME = '$dbname' I thought, as the db name is a … ![]() |
First things first, the story about this article. Recently I've created an Wordpress Plugin [WordPress - WP - Keywords To Tooltip | CodeCanyon](http://codecanyon.net/item/wp-keywords-to-tooltip/6513598) After a few days, somebody asked me if it's working with Wordpress Multi Site, initially scared, I didn't expect it to be so easy, I've achieved the … | |
I've been working on a Textbox that only accepts 0-9, Decimal Point, and the Backspace Keys. Also keeps it in the base form 0.00. Max value is 999999.99 can be set as needed. It works as expected, but I have to ask if I have remade the wheel. This sub … | |
# Introduction # The subject of this tutorial is a bit more advanced than the subjects I have tackled in the past, but I hope this will find some interested readers. From time to time in C++, programmers find themselves torn apart between using a *Generic Programming* style which primarily … | |
Shows you how to play sound files with the pySFML module and Python. | |
Hey everybody, Lately I have written the game Hangman in many different languages (C, JavaScript, Java and PHP so far). Here is the code snippet for Java! It uses a words file, on the bottom of this post you will see a small example of a few words. The source … | |
I made this minesweeper game earlier this summer. It shows many things, including: array use, 1D array to 2D array, gridlayout, changing the way a JButton works depending on mouse button used, floodfill, loops, GUI. slightly long, 382 lines, can probably be condensed. There is one known bug that i … | |
# The nature of this tutorial ... This tutorial is designed to walk you through DaniWeb's implicit (clientside) OAuth flow. This is not designed to be an introductory tutorial to OAuth, and we will expect that you are already familiar with the nature of OAuth and/or have read our tutorial … | |
This started out as `I love PHP traits! I'm going to use them everywhere! ^_^` and now it has turned into a `Thought Exercise / Learning Experience >_<`. Consider the following example: trait TheErrorOfYourWays{ public function booboo(){ echo 'You had a booboo :('; } } trait SpectacularStuff1 { use TheErrorOfYourWays; … | |
![]() | Having just found 'traits' - see http://www.daniweb.com/web-development/php/threads/468928/php-trait-method-conflicts-trait-inheritance#post2043565 I was wondering whether they could be used to share a DB connection object across disparate classes, or would the old singleton or dependency injection methods still be the way to go? I'd value any views on this. ![]() |
Shows you how to create multiple Tkinter buttons in a loop, each with its own name, label and command response. | |
Just a simple image file slide show using PySide (PyQT). | |
Using Python module turtle to draw a Koch snow fractal. | |
Yes, I know Fibonacci(=sun of a good man) again. Most famous for his series, but who among you all, know that he was the man who introduced to the Western world, the Arabic numeral system(including zero) in 1202 A.D.? The Italian merchands of those days adored it. It was far … | |
Sir, I wanted to know the implementation code for krushkal algorithm in C++. Anyone can help me to give the code. ThnQ | |
A simple way to find duplicate words in a text. In this case the text is preprocessed to eliminate punctuation marks and set all words to lower case. |
The End.