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***Please don't post "spam" or "Thank you" posts in this thread since this is meant to be used as a guide for all beginners and I am sure we would like it to be on topic. I hope you understand this.*** **» Introduction to Java «** To start off, [Java](http://en.wikipedia.org/wiki/Java_(programming_language)) … | |
# NOTE # This was a PHP sticky, and I am working to turn it into a development sticky. If you have any comments, additions or other observations, please reply to [this thread](https://www.daniweb.com/community-center/daniweb-community-feedback/threads/505442/read-this-before-posting-sticky). # Before you ask # - Read our [Forum Rules](https://www.daniweb.com/welcome/rules). - Engage your brain! We understand that … | |
EDIT: Please note, as I write this, the post is now 6 years old and might have some outdated information. I'd personally recommend beginners start with "Learn C the hard way" by Zed and this book since I have heard good things about them. Reading the FAQ put together by … | |
The idea of this thread is to help the beginning Python programmer with hints and helpful code. Please feel free to contribute! If you have any questions start your own thread! The creators of Python are very active, improving the language all the time. Here is a little of the … | |
## Before You Ask ## - Read our [Forum Rules](http://www.daniweb.com/community/rules). - Engage your brain! We understand that running into a problem can turn off the rational centers of the brain, but please sit back and think for a bit about your problem before running off to find help. All too … | |
Hello to all programmers out there. Considering the growing request for practice problems by the beginners, we ( Me, Joey, Niek, Aaron..) have decided to start a sticky which will host some common practice problems which would help the beginners in understanding the programming concepts in a better way. (Did … | |
After you got the basics of Python under your belt, the best way to get a good knowledge of the language and improve your coding skills is to start on a project you are interested in. Maybe an image viewer, a slide show, computer generated random or fractal art, a … | |
I've opened this thread following rotten69's suggestion for "Java projects for beginners". To get things started I've posted a project in a format that makes sense to me; please feel free to follow that format, or to do it in some completely different style if that seems better. Let's see … | |
Just for fun, I wrote up a quick tutorial for basic assembly. At present, it's only in the form of a PDF document, but I'll eventually get around to adding it to my website. | |
[B][U]Before You Ask[/U][/B] [list=1] [*][B]Engage your brain![/B] We understand that running into a problem can turn off the rational centers of the brain, but please sit back and think for a bit about your problem before running off to find help. All too often a little common sense is all … | |
When you want to remove extraneous characters from an input stream in C++, it's usually because you mixed formatted and unformatted input methods. The formatted method would leave a newline in the stream and the unformatted method would consume it and terminate successfully, but fail completely to do what you … | |
There has been a noticeable increase in people asking where to start C# recently. So I have been across a couple of forums and pulled together a list of some useful links and resources. # Web Tutorials # [Home and Learn Tutorial](http://www.homeandlearn.co.uk/csharp/csharp.html) [CodeProject Tutorial P1](http://www.codeproject.com/Articles/219869/Object-Oriented-Programming-in-Csharp-NET) [CodeProject Tutorial P2](http://www.codeproject.com/Articles/222295/Object-Oriented-Programming-in-Csharp-NET-Part-2) [CodeProject Tutorial … | |
Please read through the following suggestions before posting in this forum. Questions in this forum are answered by people who generously volunteer their time. Following these guidelines will increase the chances of getting a quick and accurate answer. 1. Use Search to see if your question has been asked and … | |
[B]Beginner's Guide to C++0x: The Big Five - Implementing a Resource-holding RAII Class[/B] This tutorial will show how to implement a [I]resource-holding class[/I] showing practical use of [I]C++0x features[/I]. A resource-holding class is any class which holds, with its data members, a resource which could include: [LIST] [*]dynamically allocated memory … | |
After spending some time on JSP section of this forum as many before me, I come to the conclusion that we are in need of "proper" tutorial on this topic. This tutorial is not intended to teach you everything from top to bottom, it is just a starting point to … | |
# Introduction # A recurring problem many newcomers face when tackling C++ is the compilation process, from sources to binaries. This tutorial will detail that process. It will be especially useful for people only familiar with higher-level languages (if any), but veterans of one or more native languages (C, Fortran, … | |
## Why am I Here? ## This question is not as philosophical as it sounds, but it's one worth answering. I am here because I want to help people understand programming and help make us all better programmers. Sometimes I have questions to ask, sometimes I have answers to give. … | |
[ATTACH=RIGHT]17428[/ATTACH]Almost every programmer knows his name. He's a living legend in computers. His name is Bjarne Stroustrup, and he created the world's most popular programming language, C++. I had a chance to ask him a few questions. The first three of the questions I came up with, and the remainder … | |
It has been [officially confirmed](http://php.net/archive/2013.php#id2013-10-24-2) that the php.net website of the open-source PHP programming language has been hacked and infected with malware. The successful breach of the site came to light yesterday morning when the Google Safe Browsing service started flagging php.net as serving up malicious scripts. This was, at … | |
I see that there are many questions here regarding complexity analysis, specifically regarding the Big-O notation of algorithms. I will attempt to shed some light on the subject. I will start with an introduction, after which I will go over some common complexities and last we will solve a few … | |
## Introduction ## In this introduction I will try to explain basic object orientation (focused on PHP). It is by no means meant to be a complete guide. There are a lot of concepts I am avoiding for simplicity’s sake. I will try to give a theoretical explanation first, and … | |
Can anyone suggest me which one is a better platform for e commerce website development? | |
User input/output is a key component in the programs you write, yet most online tutorials just provide a quick-and-dirty method of grabbing data. In other words, it works right up until the point the user does something unexpected. In this tutorial you will learn how to avoid the common mistakes … | |
With regard to C++ books, I'll just echo the advice here .The following books are recommended; read them in mostly the order listed." Accelerated C++ " Andrew Koenig & Barbara Moo " The C++ Standard Library " Nicolai Josuttis --- a "must have" " Effective C++ ", " More Effective … | |
I often see people asking the same question over and over, "How do I learn to program, and where do I start?" Some people may take that question to the next level by asking, "Which language should I learn first?". The answer to those questions is fairly simple, but also … Computer Science algorithm amazon-web-services asp asp.net client-server database-design delphi developer-tools first-post google gui html-css ide java-jsp java-netbeans javascript legacy-mac mac-software machine-learning microsoft microsoft-access microsoft-windows oop operating-system pascal perl python software-architecture unix user-interface vb.net vbscript visual-basic visual-studio web-browser web-design web-server windows-server xml | |
Python-wxPython Tutorial This tutorial will take you through the basics of wxPython. ##Introduction: Let's face it. I am a dinosaur. I got my computer science degree in the mid 70s. And it won't be long before **I** am in **my** mid 70s. So why am I trying to learn Python? … | |
Here is a sample code snippet of logging in a user against a user table in an MSSQL database with password encryption. Scott Knake | |
Very early on when attempting to learn programming in C, you often do exercises that read in and print out strings and numbers. Now you might assume that C has a simple function that will get user input, and indeed it does, but there are a couple of gotchas that … | |
This 'sticky' thread is for working examples of Python GUI code. Note that most wxPython examples have their own thread. Please use comments in your code to help the reader. The example code should be usable as a template, so folks get a feel for the toolkit and can use … | |
Please don't post "spam" or "Thank you" posts in this thread since this is meant to be used as a guide for all beginners and I am sure we would like it to be on topic. I hope you understand this. For these of you who would like to learn … | |
![]() | Hi I still learning how Smarty templates works. I can't seem to make the image appear on the Smarty Template. I try to used this `{html_image}` it doesn't work. I used `<img>` instead. <img src="images/{$book->image[tbl]}" width="115"> These are my files. This is my **index.php** <?php require("libs/Smarty.class.php"); require_once("get_data.php"); require_once("books.php"); $book = … ![]() |
A common task in C or C++ is to get a string from somewhere and convert it to an integer. "Use `atoi`" is a common suggestion from the unwashed masses, and on the surface it works like a charm: #include <stdio.h> #include <stdlib.h> long long square(int value) { return value … | |
For anyone who is having trouble with regular expressions, I suggest you have a look at [this site](https://regexper.com/#%5Cd%7B1%2C3%7D) by Jeff Avallone. It takes a regular expression in the native (cryptic) format and produces a visual display of the same expression. For example, ^[a-z0-9_-]{3,16}$ becomes  and the pattern for … | |
If you don't know who [Alan Turing](http://en.wikipedia.org/wiki/Alan_Turing) was, then shame on you. The British code breaker, mathematics genius and father of both computer science and artificial intelligence is rightly credited with helping to bring the second world war to an end. Turing was also gay, and that's where the shame … | |
![]() | Hi All, thought I'd pass on a (very) simple password class which is built on the new `password_hash()` and `password_verify()` functions. You will need php 5.5.0+ in order to get this to work. If you're thinking of modifying this and using it in a production site, please check that your … ![]() |
[B]Beginner's guide to C++0x: Avoiding Memory Problems by Design of Ownership[/B] If you ever read any resources on C++ programming or object-oriented programming, you must have heard some rethorics like "inheritance is for the [I]is a[/I] relation, composition is for the [I]has a[/I] relation". Is that all? Is that the … | |
I just racked my brain for the past hour trying to fix a bug, and learned something new in the process. I always thought that the jQuery function `.data('key')` was a wrapper for `.attr('data-key')`. It turns out that's not the case! Take the example: `<div data-key="foo">`: I can use `data('key', … | |
I have spent a lot of time on this question, namely, how to programatically use a PHP script to send a PDF document to the printer without launching the Adobe print dialog that results from using arcord32.exe (the adobe reader). PHP has some useful classes for creating PDF's, i.e., the … | |
For the past several years I have been feeling quite embarrassed about my coding abilities. I've been self studying most nights trying to catch up to my peers but I feel like I have a moving target. I feel like my years of work experience does not reflect my coding … | |
Several people have asked how to export data to Excel. This code snippet shows how to export the data from a listview in details mode to a new Excel spreadsheet. Take note of the comments in the header to avoid having orphaned Excel.exe tasks eat up your system memory. | |
This class gives a specified Tkinter widget a tooltip that appears as the mouse is above the widget. You can improve the code by putting in a time delay. | |
![]() | Hi guys, It gives me great pleasure to announce that I will be collaborating with fellow Daniwebber Veedeo in creating a fully baked, no nonsense CMS in Codeigniter. I will be overseeing the overall look and feel, PHP and jquery. I will need to discuss how the CMS is licensed … |
Recently I've stumbled on a nice tool that I really quite like, so I thought I'd share it: Personally, I love the power behind PHP. I find it a very simple to use yet possesses the techniques seen in the more complex desktop applications such as Perl/Python/C/C++/C# etc. PHP has … | |
Yesterday i completed my exercises on loop , that's why today i've decided to create a tutorial on loop in c++. # Loop # loop allows us to repeat a statement or a group of statements. When we want to repeat a single statement then it is not necessary to … | |
This tutorial is the first time I write about coding techniques for improving the performance of software. This is going to be a step-by-step journey through a real example, with real benchmark results at every step so that you can see the effect of the different optimization techniques. And as … | |
![]() | I have an enquiry form where once the user click the submit button the form mailhandler.php and sends the email to myself. I have tried doing this through php but its not fully working as I do not recieve any emails. Here is my mail handler.php <?php if(isset($_POST['buttonSubmit'])){ $to = … |
![]() | I have a specialization hierarchiy with one parent table and two children. I am in a situation where one column in the child table is a pk, fk, fk and unique. TICKET_NUMBER = pk, fk1, fk2, u1 This is how I have currently tried to create this table but im … |
![]() | I have a php/mysql project. When the admin deletes a customer from the database on the form I need the confirm box to display the customer row that they want to delete as well as the message. Here is current confirm box with a message <script type = text/javascript> function … |
![]() | I have a php/mysql project and I am currently trying to display a table into an html table through PHP how ever Only the headers are getting returned not the actual table data, here is my query plus html table <?php $result = mysql_query("SELECT * FROM store"); echo"<table border = … ![]() |
Optimizing Matrix Multiplication One time consuming task is multiplying large matrices. In this post we'll look at ways to improve the speed of this process. We'll be using a square matrix, but with simple modifications the code can be adapted to any type of matrix. The straight forward way to … |
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