199,112 Archived Topics
Remove Filter  | |
 | 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 … |
 | I recently worked on a research project where I had to find the inter-annotator agreement for tweets annotated by three annotators. Inter annotator agreement refers to the degree of agreement between multiple annotators. The quality of annotated (also called labeled) data is crucial to developing a robust statistical model. Therefore, … |
 | ## Introduction ## While creating Selenium tests, you might have found that inspecting elements manually using the web browser’s inspector could be tedious. Even after you have found the element, you still have to go through the pain of looking up the correct **xpath** syntax for this specific element. To … |
| | ## Introduction ## The Hyper Text Transfer Protocol (`HTTP`) is one of the most common communication protocol on the internet. There are three major versions of HTTP that you should be aware of: **1.1**, **2.0**, **3.0**. Versions 1.1 and 2.0 are widely used today, so this tutorial mainly focuses on …  |
| | ## Introduction ## In Android projects, **DataSource** classes act as entry points to interacting with local or remote data sources. Their dependencies tend to be HTTP clients, the database, or DAOs, and their dependents are usually **Repository** classes. In this tutorial, we will learn how to provide a fake **DataSource** … |
 | 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 … |
| | ## Introduction ## If your App only need a simple way to play videos on Android, then **VideoView** (`android.widget.VideoView`) might just fit the bill. In this tutorial, we will learn how to use VideoView for video playback in our App. ## Goals ## At the end of the tutorial, you … |
| | ## Introduction ## When working with Room, there might come a situation during bulk CRUD operations that it would be useful to add a Foreign Key to one of our tables. This provides two main benefits: cascading delete (*must be configured manually*) and enforcing data integrity on linked entities. 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 … |
| | ## Introduction ## Coil is a popular image loading library for Kotlin-first Android projects. It is lightweight, fast and is super easy to use. In this tutorial, we will learn how to use Coil to load images into our project. ## Goals ## At the end of the tutorial, you … |
| | ## Introduction ## In this tutorial, we will learn how to capture a picture with the new **ActivityResult** APIs(`androidx.activity.result`), which replace the `startActivityForResult()` and `onActivityResult()` APIs(*from Activity class*). Additionally, we will also learn about the ContentProvider **FileProvider**, which we will have to set up to save our images. ## Goal … |
| | ## Introduction ## Navigation component is an abstraction on top of FragmentManager, which simplifies navigation between fragments. In this tutorial, we will learn how to use the Navigation component in our App. ## Goal ## At the end of the tutorial, you would have learned: 1. How to use the … |
| | ## Introduction ## In Android development, Intents are used to request an action from an app component. There are two types of Intents: explicit and implicit. Explicit Intents are used when you know the exact package name of the component you need started. Implicit Intents, however, do not need a … |
| | ## Introduction ## Snackbars are great for displaying brief messages providing feedback to your users. In this tutorial, we will learn how to create Snackbars. ## Goals ## At the end of the tutorial, you would have learned: 1. How to create a Snackbar. ## Tools Required ## 1. Android … |
 | 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 … |
| | ## Introduction ## In Java 8, `@Repeatable` was introduced and this is the recommended way to create repeating annotations. We still have to create a holder Annotation(*annotation that holds an array of other annotations*), but we no longer have to declare the holder Annotation at the callsite. This tutorial aims … |
| | ## Introduction ## Java 14 was released with a new type of expression called Switch Expression. Its syntax is similar to that of the Switch Statement, with a few differences. In this tutorial, we will walk through concepts related to the Switch Expression and learn how to use it. ## … |
| | ## Introduction ## This tutorial introduces the `CyclicBarrier` class and teaches you how to use it. ## Goals ## At the end of this tutorial, you would have learned: 1. How to use `CyclicBarrier` to synchronize tasks across multiple threads. ## Prerequisite Knowledge ## 1. Intermediate Java. 2. Basic knowledge … |
| | ## Introduction ## `partitioningBy()` collects a `Stream` into a `Map`. In this tutorial, we will compare the two different `partitioningBy` methods and learn how to use them. ## Goals ## At the end of this tutorial, you would have learned: 1. What `Collectors.partitioningBy` does and how to use it. ## … |
| | ## Introduction ## Based on the 2020 Java Ecosystem survey from Jetbrains, 75% of Java developers are still using JDK 8. JDK 11 introduces `HttpClient`, which replaces the legacy `HttpURLConnection` API. For this tutorial, we will build a `HttpClient` that consumes the free Cat Facts API. ## Goals ## At …  |
| | Hello everyone, Hope you are doing , I am too much confuse to buy a gaming laptop for my younger brother, Someone suggest a website like https://pcmag.com, https://cartvela.com, and Techradar but there are too much content, I can't make a decision. |
| | Has anyone started working with PHP 8 yet? Any big backwards compatibility issues? I finally got around to upgrading to php 7! Lol better late than never. |
| | Is there a way to search a drive's files only for a specific file format, then display them to the user (and stored somewhere to be used later)? Maybe with the Shell, but I don't know how to use it very well. At the moment, I have a dropdown to … |
| | So im actually creating a fastfood menu in which save how many times a button been clicked as a variable. So I can multiply it to its value. For example if i click btnChicken a variable will count how many btnChicken been clicked then it will multplied on the amount … |
 | There are times when you need to make sure your counter starts at an odd or even number. Even is pretty simple - `counter = counter + modulus(counter)`. If counter is even it stays, if it's odd it gets incremented by 1. Odd is a bit more complicated - `counter … |
 | As part of a project to manage my collection of photos, I wanted to add the capability of displaying a series of files as thumbnails. This posed me with three problems: 1. how to preserve the aspect ratio of the original images 1. how to generate the thumbnails without tying … |
| | I'm trying to use CSS as so: <link rel="stylesheet" media="screen and (max-width: 991.98px)" href="/files/mobile_css/daniweb.css" type="text/css"> <link rel="stylesheet" media="screen and (min-width: 992px)" href="/files/css/daniweb.css" type="text/css"> I want to load one CSS file for our mobile layout and a different one for our desktop layout. The problem is the web browser always downloads … |
| | How do I process the xamarin forms that connect to SQL Server and export data to the listView ? I'm looking for this simple example. What do I find on google ? |
| | > Last month, Facebook admitted to storing million of Facebook passwords in plaintext. The Verge Apr 18, 2019 We see students being taught login systems here and a recurring mistake is passwords being stored in databases. It appears that CompSci courses teach bad practices early and as we know it's …  |
 | This simple isprime(number) function checks if the given integer number is a prime number and returns True or False. The function makes sure that the number is a positive integer, and that 1 is not considered a prime number. To find out if an integer n is odd one can … |
 | ## Intro ## Receiver Operating Characteristic (ROC) plots are useful for visualizing a predictive model’s effectiveness. This tutorial explains how to code ROC plots in Python from scratch. ## Data Preparation & Motivation ## We’re going to use the breast cancer dataset from sklearn’s sample datasets. It is an accessible, … |
| | hi, i have installed XAMPP, but i would like to run my localhost from another computer.. |
 | Hello good people, I am having an issue with including subreports, lists and table datasets in the main report using jasper reports since i want to include two separate sql queries in my report. I am using the same connection to my database for both the main report and the …  |
 | There are many pictures of hearts out there. I just wanted to draw a picture of a heart on my own from a math formula I found on the net. Seems there are many formulas to find. This is how it looks:  Enjoy! Programming mathematics microsoft |
| | [B]Intro[/B] This tutorial provides a brief introduction to the random number functions that come as part of the C++ standard library, namely rand() and srand(). [b]rand() and RAND_MAX [/b] The C++ standard library includes a pseudo random number generator for generating random numbers. In order to use it we need … |
| | PySide (public license PyQT) is my preferred Python GUI toolkit. Here we explore how to test some of the widgets available and create a digital clock.  |
| | Sometimes when you get a large check from your employer, the value is written out in words. I get those all the time of course. So I wrote this little Python code to convert an integer value to english words. Numbers as high as 999 vigintillion can be used. In …  |
 | Hi, I'll try to make this quick. I'm used to programming PHP in context of building websites, to add random bits of dynamic functionality, but every once in a while I need to build something like a complete application. My problem is this, as a single developer, there comes a … |
 | Hello everybody. I'm starting to build an event calendar for employees in my company, and the first thing I needed was an working calendar to build from, so I wrote a simple one. Hope it can be usefull for someone. Cheers.  |
 | Hi guys I wonder if you can help me with this as it's driving me absolutely crazy. So, I have a div, in the first screenshot which looks pretty much like a scale and can be rotated right up to 45 degrees and left up to -45 degrees  …  |
The End.