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| | I am not quite sure why I am getting this error package tile; import java.awt.Graphics2D; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import javax.imageio.ImageIO; import main.GamePanel; import main.UtilityTool; public class TileManager { GamePanel gp; public Tile[] tile; public int mapTileNum[][]; public TileManager(GamePanel gp) { this.gp = gp; tile = …  |
| | Full-stack technology refers to the entire depth of a computer system application, and full-stack web developers are those who are capable of developing both the front end and the back end of web development. All of the features that are visible to the client, or the viewer of the site, …  |
 | Why header background not changing to red and font style not changing to coiny? **index.js** import Head from 'next/head' import Image from 'next/image' export default function Home() { return ( <div className="min-h-screen h-full w-full flex flex-col bg-brand-light overflow-hidden"> <Head> <title>Create Next App</title> <meta name="description" content="Generated by create next app" /> … |
| | I have an Angular application that I am trying to debug in VS Code. When I write code in a particular typescript file and put a breakpoint on a method or statement, it is bound. But when I try to debug through **Run > Start Debugging**, the breakpoint becomes unbound. …  |
 | Hi ! I have developed a Java application using Derby Database. The application jar file is successfully running on Windows but on Mac it gives and exception as following: ClassNotFoundException: org.apache.derby.jdbc.EmbeddedDriver I am pasting code for database Connection which I wrote. String dbdriver = "org.apache.derby.jdbc.EmbeddedDriver"; Class.forName(dbdriver).newInstance(); con = DriverManager.getConnection("jdbc:derby:C:\\4DSOFTECHDB; create … |
| | Is this code correct? Or should I keep using } else { for (errors) until the end? if ($y = $link->prepare('SELECT id, password FROM usuarios WHERE username = ?')){ $y->bind_param('s', $_POST['username']); $y->execute(); $y->store_result(); if ($y->num_rows > 0){ echo 'Username exists, please choose another!'; } else { if ($y = $link->prepare('SELECT … Programming php  |
| | Hi,This code creates a friendly link on user mentions in comments... However, it is not case sensitive and vice versa. Examples; @test works @Test doesn't work The regular expression takes both values. But the query is not catching. I figured it would be a case-sensitive collation on the database. But …  |
| | Hi,This code creates a friendly link on user mentions in comments... However, it is not case sensitive and vice versa. **Examples;** **@test** works **@Test** doesn't work What do I do? text = "@test @Test"; $pattern = "/\@(\w+)/"; preg_match_all($pattern,$text,$matches); if($matches){ $sql = "SELECT * FROM users WHERE username IN ('" .implode("','",$matches[1]). … |
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| | Hi, Is it possible to convert the first letter after @ to uppercase using preg_replace? I tried; preg_replace('/\@(\w+)/', 'ucfirst("$1")', $str) But nothing changed when I sent it... 😞 Already like that... It worked, but I don't know how to add the @ before the name that will be converted. $str … Programming php |
| | HTML: <div class="container"> <div class="header">header</div> <div class="leftsidebar">leftsidebar</div> <div class="main-top">main top</div> <div class="rightsidebar">right side bar</div> <div class="bottom-left">bottom left</div> <div class="bottom-right">bottom right</div> <div class="footer">footer</div> </div> CSS: .container { display: grid; grid-template-columns: 1fr 2fr 1fr; grid-template-rows: 1fr 1fr 1fr; grid-template-areas: "header header header header" "leftsidebar main-top main-top rightsidebar" "leftsidebar bottom-left bottom-right rightsidebar" "footer … |
 | The Tkinter module comes with the normal Python installation. It allows you to create Python GUI programs for Windows, Linux or Unix on the Mac. In this snippet we put a GIF image (.gif) onto a form's canvas with just a few lines of code. Most of the lines are … |
 | ## Introduction ## In a previous tutorial, we learned [how to create a notification on Android](https://www.daniweb.com/programming/mobile-development/tutorials/536756/android-native-how-to-create-a-notification#post2282507). In that tutorial, we did not have to request any permission because applications did not need permission to post notifications on Android 12 and below. It has been almost a year since the release … |
| | ## Introduction ## When working with ViewModels, instead of using the default, it is best practice that we inject coroutine dispatchers instead of hard-coding them. The reasoning behind this is that it is easier to switch to a testable dispatcher in tests. In this tutorial, we will learn how to … |
| | ## Introduction ## When working with RecyclerView, sometimes we are required to scroll the RecyclerView in code, especially after addition of a list item. In this tutorial, we will learn how to scroll to specific positions on a RecyclerView. ## Goals ## At the end of the tutorial, you would … |
| | ## Introduction ## In a previous tutorial, we learned [how to set an exact alarm](https://www.daniweb.com/programming/mobile-development/tutorials/537920/android-native-how-to-launch-activity-from-an-exact-alarm). A permission called `SCHEDULE_EXACT_ALARM` was used in that tutorial. Initially, I thought that it was only a normal install-time permission, but I have recently found out that this specific permission also belongs to a rare … |
| | My site is not much responsive as it used to be after the google updated. Can anyone look into it to see where the problem is?  |
| | I have been developing WordPress websites for the last five years. My skills include developing plugins and websites such as mouse tests and keyboard tests. Learning more about development interests me |
| | Hi, I get the feeling from this forum that simplehtmldom is old stuff. Nevertheless, experimenting with it since a simple tutorial code depends on it. Check this Xml SItemap Link Extractor include_once('simplehtmldom_1_9_1/simple_html_dom.php'); //Works. //$sitemap = 'https://www.rocktherankings.com/post-sitemap.xml'; //$sitemap = "https://www.rocktherankings.com/sitemap_index.xml"; //Has more xml files. //Does not work. Shows blank page. $sitemap … |
| | I have written code to append, prepend and update a linked list using c++. But I am unable to figure out the problem. Can anyone help me to run it. I will be grateful for the favor. The code is pasted below: #include<iostream> using namespace std; class node { public: … |
| | A small airline has just purchased a computer for its new automated reservations system. You have been asked to develop the new system. You’re to write an application to assign seats on each flight of the airline’s only plane (the capacity of the plane is 10 seats of the same … Programming c c++ visual-basic |
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| | How can I make a single dmg file out of many Python files in different folders? I know that's doable for a single file, but how can I do it for several? I can make a dmg for a 1.py file but not for numerous files in several directories. Programming python |
| | Hello, My name is Frank from Ghana in the west africa, Please I just started learning python today. Can i get a dedicated mentor i can ask question in case i run to errors. Thanks a lot i will be waiting please. |
| | **Write a python program to take 10 values from user. The values are given below: myValues = 3,6,7,9,3,6,8,3,5,10, 19,0,1,0,15** **1. Print the sum of those numbers which are at odd positions and the division of the even index numbers. 2. Remove the duplicate numbers and place some random number between … Programming python web-design |
 | ## Introduction ## I was working on a problem where I had to scrape tweets related to the T20 Cricket World Cup 2022, which is currently taking place in Australia. I wanted tweets containing location names (cities) and the keyword “T20”. In the response, I want the user names of … |
| | ## Introduction ## In this tutorial, you will see how to convert the text in CSV file columns to other languages using the [DeepL API](https://www.deepl.com/translator) in the Python programing language. DeepL is one of the most popular and accurate text translation platforms. DeepL, as the name suggests, incorporates advanced deep … |
| | Hiya, I need to know something. First I thought Sitemap Xml files will list all .html and .hml and .shtm and .shtml files. All pages of the website. But now I see, Sitemap xml files also list other xml files. Check this one out for what I mean: https://www.rocktherankings.com/sitemap_index.xml So … |
 | I am on the latest version of Windows 10, running with SWI-Prolog 7.6.4, and trying to get JPL (Java <->Prolog) running for a school project. I've not had to deal with path issues much but I have done my best to understand the problem. I've added the necessary import statements … |
| | I am still at procedural style programming. And so, oop code samples confuse me. I found this oop style. Any chance you can show me how to convert this to procedural style ? Test the code. It woks fine! https://bytenota.com/parsing-an-xml-sitemap-in-php/ // sitemap url or sitemap file $sitemap = 'https://bytenota.com/sitemap.xml'; // … |
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