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 | ## 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 ## Android provides many ways to perform background tasks, such as Services, WorkManager, or even threads. In this tutorial, we will learn how to create a Service for our Android app. ## Goals ## At the end of the tutorial, you would have learned: 1. How to create … |
| | [SIZE=4][FONT=Arial]Hi, I'm creating an application that makes use of the GridBagLayout as it is the most useful layout manager for what I need. I made a JPanel and added it to the frame. The result I'm currently getting during run-time is a JFrame with a JPanel placed in the center. … |
| | ## Introduction ## When using a Worker (**from the WorkManager library**), you might have wondered how to inject dependencies with Hilt. In this tutorial, we will learn how to inject dependencies into our Worker. ## Goals ## At the end of the tutorial, you would have learned: 1. How to … |
| | ## Introduction ## Finding a View in Espresso tests can be quite confusing because there are so many matchers available. In this tutorial, we will learn how to find a View based on its sibling contents. ## Goals ## At the end of the tutorial, you would have learned: 1. … |
| | Hi, I need to split the pdf document into two parts,like i have a pdf which consists 100 pages,i need to split the pdf into two parts where first part consits 10 pages and second part consists 1 to 100 pages?how to do that using php?  |
| | I have a fairly simple question, which may or may not have a simple solution. How can I run the system(); command, in a win32 (not console) application, without the black command prompt window flashing on the screen? If relevant, I am using Dev-C++. |
| | I am using intellij for the java coursework which is related to clients and databases. I am receiving the following error Exception in thread "main" java.lang.NullPointerException: Cannot invoke "java.net.URL.toExternalForm()" because "location" is null at java.desktop/javax.swing.ImageIcon.<init>(ImageIcon.java:232) at client.Interface.$$$setupUI$$$(Interface.java) at client.Interface.<init>(Interface.java:54) at client.Application.main(Application.java:317) This is the code: ` ` package client; //region … Programming gui java java-swing printer sql user-interface  |
 | How can I check special characters are there (String) or Display on label? I Use this but it is only count Dim input As String = "Hi! Hello, How are you?" Dim pattern As String = "[!""#$%&'()*+,\-./:;<=>?@[\\\]^_`{|}~\s]" Dim matches As MatchCollection = Regex.Matches(input, pattern) MessageBox.Show(String.Format("There are {0} special characters in … |
| | hi, i have some problem with my php code. when i run the php, the page keep loading and no output displayed. here is my code: $dayBeforeNew = $_GET['daybefore']; $dayAfterNew = $_GET['dayafter']; $sql = "SELECT reference.LOCID, reference.Region, Sitename, (SELECT `Data Total Traffic` from 4g_statistic where reference.LOCID = 4g_statistic.LOCID AND 4g_statistic.Day …  |
| | I want to make a fish shooting game, but I don't know where to start maybe here friends can give me directions please help for my learning |
| | I need help on this php pdo error:PHP PDO - Uncaught Error: Call to a member function prepare() on null |
| | You have been contracted to develop a prototype system for the Norman Manley Airport that will assist the airline staff in processing persons who have checked in for their flights during the covid pandemic. The information being stored for each person are as follows: • ID# • Name • Gender … Programming c++ data-structure  |
| | How do you print repeated digits from 1 to n after asking a user to enter a int8 number n.The printed digits should be random.say for example a user enters enters n=5 then the program prints randomly 11223412345.You can see the maximum is 5.Also how do you sum up these …  |
| | A number m is called a proper divisor of n if m<n and m divides n. A positive integer is perfect if it is the sum of its proper positive divisors. For example 28 is perfect because 1 + 2 + 4 + 7 + 14 = 28 . 1, … Programming asp |
| | Hey, I am doing some programming exercises, it is to read in a txt file and then read in a list of banned words in an array. I've managed to do this but the last step requires me to filter the original text file with the banned words and change … |
 | Three if condition if(isset($_POST['search']) & !empty($_POST['searchdata']) ) if(isset($_POST['search']) & !empty($_POST['searchName']) ) Else each statement have the own pagination created now confusion for example first condition is true and three page is created when i click its goes to else condition and below 10 pages is created which is true in …  |
| | hii all, btw i want to make login system, and check if user is multiple login and give notification in current user login, how can i make it ?? can someone please suggest/teach me to make system like that? Previously I've searched for it on google but couldn't find the … |
| | I want to create a java pane with a canvas on the left and column of other components on the right. I did this long ago but lost that code. Can anyone point me in the right direction to do this? |
| | I am making a calculator in Virtual Basic for almost a week. I am encountering a problem when using the equals sign. When I type problems like 4 + 6 = 10 it answers correctly. When I press the equal again immediately after the calculator answers 10. It should enter … Programming vb.net visual-basic  |
| | Assume a basic x86 PC (or if it is impossible due to locked access/firmware blobs etc assume the closest modern equivalent of a PC e.g an open RISC system with cpu ram hardrive and a way to interface with a keyboard mouse and a VGA/HDMI monitor) NO OS is present. …  |
| | I have a problem with a DnD program, so when I add 2 or more images and apply a filter to one of the images (using a right click), it only appears on the last image added. I think i have to store the image in an Array while waiting … |
| | I'm broadcasting an intent in my app and receiving it with a broadcast receiver. I can handle the broadcasting and receiving. No problem with that. However, I want to register the receiver completely programmatically instead of doing it in the manifest file. Notice, that in the manifest file, there are … |
 | Hello webmasters, I am trying to create a script using vanilla PHP. I am familiar with the language and I have created a cronjob before, but only using cPanel. I want to create cronjobs using PHP if possible with out the need to go to cPanel. I am trying to … |
| | Hello All, I have a question regarding Gutenberg React. I'm familiar with React which is what leads me to not understanding how the process works. React can only render JSX but Gutenberg seems to render HTML (presumably by setting inner html dangerously), however it also adds event listeners to the … |
 | I have a subform called "Contacts" embedded on my "Tickets" page. I want to create an edit button to jump to my contacts_edit.php page and use the 'ContactEntryNumber' (the unique key from my Contacts table) for the displayed contact record as the updateID. I have played with this and read … |
 | Hello. I am working on a personal project using React. I have three checkboxes that are supposed to filter the information in the table automatically when checked off (for example, if you check off "airline1", then only airline1 and its data will populate in the table). I would like some … |
| | I'm building a tool in Python for which I need to read out error codes for specific devices using the Server-Eye API. Server-Eye is our monitoring solution where all of our devices and the devices of our customers are registered. The documentation at https://api.server-eye.de/ wasn't very helpful or I'm just … |
 | I’m using a timer script that I’d like to change the displayed text in the <p> ... </p> when the countdown ends but have no idea how to accomplish it. I’d appreciate any help I can get. Here’s the code I’m using: <p> The Update will be done in <span … |
| | I’d like to force my code to pause after completion and before displaying a completion message. I’ve tried sleep and wait commands but they affect the start of running the code. I’ve searched the web for how to do this for two days with no success. The reason for wanting … |
| | Hello This is a simple php login script with sessions. It connects to mySQL for usernames and passwords. I’m using a variation of the code from [url]http://www.phpportalen.net/wiki/index.php?page=Enkel+Inloggning+med+Mysql+och+sessioner+-+Komplett+kod[/url] (index.php is the relevant part) Here is my code (my script is called login.php): [code=php] <?php session_start(); // Always at the top include … |
| | ## Introduction ## When working with Room, you might have wondered how to describe one-to-many relationships between entities. In this tutorial, we will learn how to do just that. ## Goals ## At the end of the tutorial, you would have learned: 1. How to define one-to-many relationship for entities … |
| | ## Introduction ## When working with Room, you might have wondered how to run multiple statements in a single transaction. Running multiple statements in one transaction has two main benefits: 1. Your statements can reuse the same connection. 2. They can all fail together if something goes wrong. Regarding the … |
| | How to draw this cat with: Rendering fill Suitable primitives Aligned texture  |
| | Hi. I'm trying to convert my python file into pseudo code but I have no idea of how pseudo code work. continueAnswer = input("Please enter either continue to carry on with the program or end to stop it: ") continueAnswer=continueAnswer.upper() while continueAnswer == 'C': while True: try: print('') encodeORdecode = …  |
| | Hello everyone! Can you please tell me how can I limit the number of entries to my website with one login? I’m going to use Joomla for this site. I need to get a unique device id apart from the platform. What should be used - php, javascript or anything …  |
| | am doing a project with I/O and structs. My text file is below. I need to make my program store each string in a different part of the array of structs I have created. I am having a problem making it separate them in the array when it senses a … |
 | Who's up for a puzzle? About two months ago, I began to have troubles using the Town of Oakville's web site where I book fitness class spots. In places where there should be text, it's blank. My feeling is that this began intermittently, but I may be wrong. Today it … |
 | Hi everyone, i hope someone can help me with my activity i cant really catch up on my lessons so i hope someone can help me explain each line of this code this language is pascal https://onlinegdb.com/0Z0pIIsen |
| | The pandemic has presented everyone with unique challenges. For me, it became particularly hard to switch to online grocery shopping. When I do my shopping offline, I usually don’t have to plan much, moving through the isles and picking up stuff as I go. It’s rare that I forget something, … |
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 | Hi DW. Is there anyone who know how I can I develop an App that's like TeamView for Android so that I will be able to remotely access the phone via browser on my website? What I want to do is that instead of directly accessing the phone I want … |
| | Hi everyone, I am getting an undefined array key with a session variable. The code works fine once I set the variable. Can someone please help me with that issue? Thanks <?php session_start(); $servername = "localhost"; $username = "xxx"; $password = "xx"; $database ="xx"; // Create connection $conn = mysqli_connect($servername, …  |
| | ## Introduction ## When working with Services on Android, you might have ran into an issue where you would like to: 1. Use a concrete implementation of a Service (*from a built-in or third party library*). 2. Make the Service lifecycle-aware so that you can use coroutines with it. Many … |
| | ## Introduction ## There are many ways to describe relationships between Entities in Room, one of which is to embed an entity inside of another. When embedding an Entity, the columns of the embedded Entity are extracted as member columns of the enclosing entity. In this tutorial, we will learn … |
| | So far, we have gotten lots of innovative social media models. I am not too sure if this has already been tried, but I want to innovate on ownership model. Basically, I envision a Reddit that is owned by its mods and users. Maybe a hybrid FB and Reddit. It …  |
| | I posted this the other day and by and large people responded with predictable lack of imagination. I will add additional explicit requirements for the prototype stage. I want to create a prototype of a different type of social media - call it "pro social" media. It would be owned … |
| | Hi DW. I'm creating a chat system which will alow guests to send DMs to the operator and the operator can reply to it. I'm using MYSQL as my database, fingerprint2js for identifying the user since user has not yet logged in or registered but want to first communicate with … |
| |  username = ["John", "Peter", "David"] password = ["abc123", "123abc", "a1b2c3"] Passwords and username are paired by index. (i.e., John’s password is abc123, etc.) Then make the user input a username and password, then check if the input matches the pair of username and password. If account exists, display ‘Welcome, … Programming |
| | Hello, I am new in C programming, I am writing a function to evaluate a prefix arithmetic expression. I know my code works well but it seems the message floating exception (core dumped) is because if my (preval / 0) the program is not going to work. However, I would … |
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