Software Development Forum

This python script prints all the columns of an sqlite database which path is given as argument.

In my job I tend to write a lot of Windows services. Due to this I've pared it down to bare essentials so that the code is as simple as possible, but still fully functional for the needs of each service. What this generally means is I *don't* use the …

The code sample shows how to get an image from the internet and show it in a Tkinter label widget.

The code shows you how to create a persistent to file dictionary of data using the python module shelve.

Hi everyone, I consider myself as a java beginner because I haven't been involved in a lot of projects. I'm opening this thread to raise awareness that we don't have java projects thread primarily for beginners and it could help advanced java programmers in terms of practising their java knowledge. …

In today's environment where just about anyone can snoop around your e-mail, it is prudent to securely encrypt your more private writings. This little Python program will make it easier to do so.

Just a code sample that allows you to play your midi or mp3 music files with Python and module pygame.

This module is for validating textboxes.... After using this module in your project you can simply validate all of your text boxes like [CODE] Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load AssignValidation(Me.TextBox1, ValidationType.Only_Digits) AssignValidation(Me.TextBox2, ValidationType.Only_Characters) AssignValidation(Me.TextBox3, ValidationType.No_Blank) AssignValidation(Me.TextBox4, ValidationType.Only_Email) End Sub [/CODE]

Hello This is a demo showing Java interacting with Daniweb's new API ( http://www.daniweb.com/api/documentation ) You introduce a member's name and it should show you the total number of posts he has made. Demo is a proof of concept: No bug checking, error checking, etc is in this code. In …

RestSharp library needed

This Python snippet shows how to control a VPython visual 3D sphere with Tkinter GUI toolkit button clicks.

A simple code example to calculate the monthly payment on a mortgage loan. Takes a look at Python's newer print and format functions.

Jython is a version of Python that can use the extensive Java library. Jython uses Python syntax and avoids the rather ugly syntax (at least for Pythonions) of Java. Here we apply it to bring up an image from a file.

Let's say you have a whole bunch of nicely named lists and want to save them all and their names in a pickle file. One solution can be to store these lists and their names in a Bag container class and pickle the bag instance object. Now you can use …

Simple code to see if array of primitives has duplicates. The aim is to only check if there are any duplicates, but not to check what element is repeated, or its position etc. PS: Do you know some handy snippet? Don't way, post it!

[URL="http://stackoverflow.com/questions/194812/list-of-freely-available-programming-books/"]List of free programming books[/URL]. Enjoy and happy new year!

Turn you Monitor off from your application.

Sometimes, you just want to run a system command from python and capture its output. Currently, the standard way to do this is to call the subprocess.Popen with convenient arguments and use the communicate method. After writing such code a few times, I wrote this little Command class to ease …

How about doing some effort instead of immediately voicing your desperation to Daniweb for 1001st tictactoe problem? Here is some ideas for those young spirits (I did not say newbies ;) ) 1. What is this search box here over in right hand corner? 2. What a heck is this …

Probably the simplest way to get into multimedia with Python is the webbrowser module. This works with both Windows and Unix systems, and selects the default browser you have installed. But that is not all: if you give it the name of a multimedia file it will select the default …

This is an example of using a binary index file to speed up random access of lines in a file. The file is indexed one time, where the position of the start of each line is stored in an index file. Subsequent requests for a get the position from the …

[ATTACH=RIGHT]17350[/ATTACH]Since the release of the second edition of Parallel Studio this month, I've spent a good amount of time with it, trying out the new features. First, what's Parallel Studio? It's an add-in for Microsoft Visual Studio that gives you a large set of features for writing parallel code that …

where can i find out a detailed information about [B]How to write a header file[/B] ?

Hi all, I have started a wiki that I hope to make the "unofficial Daniweb wiki". Its mission is to present short, compilable answers to many commonly asked questions here on the forum. [url]http://programmingexamples.net[/url] I have seeded it with a handful of basic operations. Please feel free to edit, add …

Hey All This code is for matching a string with a wildcard in it to another string. If you want to have a Astrix in the first string be counted as a character and not as a wildcard put a \ in front of it. I have tested it for …

A little late for April 1, but here is the secret code ... [code]searchEngineNames = [] for c in range(ord('A'), ord('Z')+1): name = chr(c)+'ing' searchEngineNames.append(name) # pick #1 print(searchEngineNames[1]) [/code]

I am very new to C++ and have written only basic algorithms. In school we use turbo c++ compiler but now i have to attend a workshop for which I need to be able to use a gnu compiler and I do not know how to change my programs for …

This program uses the Python win32 extension module to get information on disk or flash drives for Windows machines. Specify the drive with its letter. If no drive letter is specified, the current drive is applied.

The function adds two large numeric string together, like "12345667" + "12345678" = ? It does not have complete error checking, I'll leave that up to you. It should work but I am prone to bugs, so do advise if bugs are found. Included are also helper function that helps …

First Google expressed an interest in the [URL="http://www.itwire.com/content/view/20370/53/"]web browser client[/URL] market, and then the [URL="http://www.itwire.com/content/view/26281/53/"]operating system market[/URL] and now it has launched its own open source systems programming language. [URL="http://golang.org/"]Google Go[/URL] is being touted as 'expressive, concurrent, garbage-collected' and promises to produce fast code, fast. According to Google a typical …

Hi i have created this thread for general information of Google.....!! Can anyone tell me how does Google works, I want to know the algorithm that works behind that, i mean how the Google search is working. Can anyone give me the idea regarding this............... Every answer is appreciated.........

This is a catalogue of some experiments on just two aspects of undefined behaviour. This was inspired by yet another long bout of explanation in a recent thread, so I thought it was time to dust off a bunch of compilers, and compare. This is the test code. [code] #include …

You have a problem with your code. You need help. You are in a hurry. What can you do? Post for help at Daniweb as fast as you write, correct?. Wrong. The first thing you should do is to read the rules on posting and specially how to properly make …

This project is a cross-platform Kafka GUI client. A star would be appreciated to support the open-source effort by the author. Thank you! # Features of Kafka-King * View the list of cluster nodes, dynamically configure broker and topic settings. * Support for consumer clients to consume messages from specified …

https://thehill.com/policy/technology/4162573-ai-art-cant-earn-copyright-judge-rules/ give us a preview that those that use AI, ML, GPT and such may be on uncertain ground if they want to copyright the code. You may not be aware that most of the online AI/ML/GPT systems keep copies of what you generate. So if you are creating code …

From https://www.reddit.com/r/ProgrammerHumor/comments/wupbvb/python_runtime/  As time passed it looked to me that Python evolved past a C framework.

Im trying to populate Listbox with Columns but I didn't get success. Below is my code. I populated Listbox with text file: on users.txt: 1|Jhon|street 3|12/03/1985 2|Peter|strt2|29/09/2009 3|Scoby|street 1|11/02/2001 Here is my code to populate , as you can see there's delimiter "|". Public Sub Pathway(way As Variant) 'SET DATABASE …

Hi, I had a longer break, but now I want to continue working on my little project to make my work easier. I have an Excel file which I converted to CSV because there is no Excel on the target system. I would like to search for a number or …

I'm trying to manage Splunk with Chef and ran across a problem when using Chef to programmatically start/stop/restart the Splunkforwarder service: The request did not respond to the start or control request in a timely fashion. - ControlService: The service did not respond to the start or control request in …

Hello everyone! I am writing a program for the birthday paradox that runs trials 10,000 times. I want to show that when N people are in a room, there is a 50% chance that there will be a duplicate birthday. I want to create an empty set, then add to …

## Introduction ## When working on Android with Kotlin, you might have ran into property delegates on a few occasions, such as `activityViewModels()` from `androidx.fragment.app` or `remember()` from `androidx.compose.runtime`. In this tutorial, we will learn what property delegates are and how to create them ourselves. ## Goals ## At the …

Is it necessary to have computer or laptop to test the code? Did you ever seen anyone who can be perfect or master in coding whit cell phone?

## Introduction ## `launch()` and `async()` are two of the most common coroutine builders to use in Kotlin, but they are somewhat different in usage. `launch()` returns a `Job` object, which can be used to cancel or perform other operations on the underlying coroutine. If our coroutine lambda returned a …

## Introduction ## In this tutorial, we will look at the RxJava `mergeWith()` and `concatWith()` operators. Amongst others, they are used to combine Observables together. All of the RxJava operators have ambiguous names, and behave differently, so let us take a look at 2 operators, `mergeWith()` and `concatWith()`, to see …

## Introduction ## RxJava 3 includes 5 core classes: 1. Flowable, 2. Observable, 3. Single, 4. Completable, 5. Maybe. This tutorial aims to teach the basic concepts behind Observable, which serves as a foundation for understanding the other 4 classes. ## Goals ## At the end of the tutorial, you …

## Introduction ## With coroutines in Kotlin, we are able to execute suspending functions without blocking the current thread. By default, most coroutine builder functions use the `Dispatchers.Default` context, but it is also possible to use other implementations of `CoroutineContext`. In this tutorial, we will learn about the 2 `CoroutineDispatchers`: …

## Introduction ## The `java.nio.file.Files` class includes many convenient methods to read file attributes, but sometimes these convenient methods just are not enough to meet our needs. In this tutorial, we will go over 5 ways to use the `Files` class to read file attributes so you can choose the …

## Introduction ## When working with an application with a global user base, there is usually a need to display text, numbers, currency, date, and time in multiple localized formats. For example, the **en-US** (*English-USA*) version of the date September 22, 2021 is written as 22 сентября 2021 г. when …

## Introduction ## Although not included in the headlines, the release of JDK 17 also added 3 sets of new methods to the class `java.lang.Process`: 1. `inputReader()` to read from stdout. 2. `inputWriter()` to write to stdin. 3. `errorReader()` to read from stderr. In this tutorial, we are going to …